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kiko-serrakiko-serra
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‎P01/ex11

16.3 KB
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‎P01/ex11.c

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#include <stdio.h>
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#include <string.h>
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//algo se passa gom as percentagens, estao algumas a dar valores estranhos
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int main(){
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int total=0, c;
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int perc[26];
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FILE *f=fopen("lus.txt", "r");
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while (!feof(f))
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{
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c=getc(f);
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if ((c>=192 && c<=195)||(c>=224 && c<=227))
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{
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c = 'a';
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}
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else if ((c>=211 && c<=213)||(c>=243 && c<=245))
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{
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c = 'o';
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}
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else if (c==205 || c==237)
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{
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c = 'i';
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}
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else if ((c>=201 && c<=202)||(c>=233 && c<=234))
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{
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c = 'e';
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}
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else if (c==218 || c==250)
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{
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c = 'u';
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}
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else if (c==199 || c==231)
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{
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c = 'c';
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}
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else if (c>='A' && c<='Z')
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{
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c+=32;
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}
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if (c>='a'&& c<='z')
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{
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total++;
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perc[c-'a']++;
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}
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}
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fclose(f);
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printf("Número total de letras: %d\n",total );
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for (int i = 0; i < 26; i++)
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{
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printf("Letra %c: %.2f%%\n",i +'a', ((float)perc[i]/total)*100);
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}
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return 0;
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}

‎P01/ex13

16.3 KB
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‎P01/ex13.c

+36
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#include <stdio.h>
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int main()
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{
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FILE *f;
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int c, total = 0;
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int perc[26]={};
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char nomef[100];
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f = fopen("lusiadas-utf8.txt", "r");
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if(!f)
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{
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printf("Erro a abrir \n");
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return -1;
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}
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int char_hist[3]={};
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// read until EOF
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for(int c, c_prev = 0x00; (c = getc(f)) != EOF;)
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{
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if(c_prev==0xC3)
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{
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if(c==0x83 || c==0xA3)
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char_hist[0]++;
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else if(c==0x95 || c==0xB5)
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char_hist[1]++;
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else if(c==0x87 || c==0xA7)
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char_hist[2]++;
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}
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c_prev = c;
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}
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fclose(f);
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printf("Letra A com til: %d\n", char_hist[0]);
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printf("Letra O com til: %d\n", char_hist[1]);
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printf("Letra C com cedilha: %d\n", char_hist[2]);
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return 0;
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}

‎P01/ex2

20.4 KB
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‎P01/ex2.c

+244
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#include <stdio.h>
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#include <string.h>
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#define ST_HEADER 0
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#define ST_TITLE 1
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#define ST_ARTIST 2
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#define ST_ALBUM 3
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#define ST_YEAR 4
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#define ST_COMMENT 5
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#define ST_BYTE_ZERO 6
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#define ST_NUMBER 7
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#define ST_GENRE 8
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#define LEN_HEADER 3
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#define LEN_TITLE 30
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#define LEN_ARTIST 30
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#define LEN_ALBUM 30
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#define LEN_YEAR 4
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#define LEN_COMMENT 30
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#define POS_BYTE_ZERO 28
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#define POS_NUMBER 29
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const char GENRE_LIST[126][32] =
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{
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"Blues",
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"Classic Rock",
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"Country",
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"Dance",
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"Disco",
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"Funk",
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"Grunge",
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"Hip-Hop",
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"Jazz",
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"Metal",
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"New Age",
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"Oldies",
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"Other",
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"Pop",
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"R&B",
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"Rap",
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"Reggae",
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"Rock",
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"Techno",
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"Industrial",
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"Alternative",
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"Ska",
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"Death Metal",
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"Pranks",
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"Soundtrack",
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"Euro-Techno",
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"Ambient",
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"Trip-Hop",
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"Vocal",
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"Jazz+Funk",
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"Fusion",
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"Trance",
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"Classical",
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"Instrumental",
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"Acid",
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"House",
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"Game",
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"Sound Clip",
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"Gospel",
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"Noise",
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"AlternRock",
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"Bass",
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"Soul",
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"Punk",
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"Space",
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"Meditative",
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"Instrumental Pop",
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"Instrumental Rock",
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"Ethnic",
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"Gothic",
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"Darkwave",
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"Techno-Industrial",
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"Electronic",
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"Pop-Folk",
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"Eurodance",
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"Dream",
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"Southern Rock",
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"Comedy",
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"Cult",
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"Gangsta",
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"Top 40",
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"Christian Rap",
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"Pop/Funk",
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"Jungle",
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"Native American",
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"Cabaret",
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"New Wave",
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"Psychadelic",
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"Rave",
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"Showtunes",
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"Trailer",
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"Lo-Fi",
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"Tribal",
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"Acid Punk",
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"Acid Jazz",
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"Polka",
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"Retro",
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"Musical",
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"Rock & Roll",
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"Hard Rock",
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};
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int main(int argc, char **argv){
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FILE *file;
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char header[LEN_HEADER+1], title[LEN_TITLE+1], artist[LEN_ARTIST+1],
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album[LEN_ALBUM+1], year[LEN_YEAR+1],comment[LEN_COMMENT+1], genre[32];
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unsigned char byte_zero, number, genre_byte;
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// open the file for reading
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file = fopen(argv[1], "r");
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if(!file)
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{
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printf("Erro a abrir %s\n", argv[1]);
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return -1;
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}
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// jump to the last 128 bytes of the file
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fseek(file, -128, SEEK_END);
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// read metadata
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int state = ST_HEADER, n_read;
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switch(state)
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{
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case ST_HEADER:
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n_read = fread(header, 1, LEN_HEADER, file);
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if(n_read!=LEN_HEADER)
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{
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printf("%d: leitura inválida, %d/%d bytes lidos\n",
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state, n_read, LEN_HEADER);
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return -1;
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}
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header[LEN_HEADER] = '\0';
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if(strcmp(header, "TAG"))
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{
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printf("Cabeçalho inválido, %s\n", header);
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return -1;
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}
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else state = ST_TITLE;
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case ST_TITLE:
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n_read = fread(title, 1, LEN_TITLE, file);
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if(n_read!=LEN_TITLE)
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{
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printf("%d: leitura inválida, %d/%d bytes lidos\n",
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state, n_read, LEN_TITLE);
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return -1;
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}
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title[LEN_TITLE] = '\0';
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state = ST_ARTIST;
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case ST_ARTIST:
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n_read = fread(artist, 1, LEN_ARTIST, file);
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if(n_read!=LEN_ARTIST)
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{
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printf("%d: leitura inválida, %d/%d bytes lidos\n",
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state, n_read, LEN_ARTIST);
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return -1;
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}
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artist[LEN_ARTIST] = '\0';
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state = ST_ALBUM;
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case ST_ALBUM:
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n_read = fread(album, 1, LEN_ALBUM, file);
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if(n_read!=LEN_ALBUM)
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{
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printf("%d: leitura inválida, %d/%d bytes lidos\n",
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state, n_read, LEN_ALBUM);
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return -1;
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}
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album[LEN_ALBUM] = '\0';
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state = ST_YEAR;
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case ST_YEAR:
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n_read = fread(year, 1, LEN_YEAR, file);
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if(n_read!=LEN_YEAR)
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{
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printf("%d: leitura inválida, %d/%d bytes lidos\n",
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state, n_read, LEN_YEAR);
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return -1;
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}
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year[LEN_YEAR] = '\0';
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state = ST_COMMENT;
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case ST_COMMENT:
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n_read = fread(comment, 1, LEN_COMMENT, file);
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if(n_read!=LEN_COMMENT)
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{
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printf("%d: leitura inválida, %d/%d bytes lidos\n",
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state, n_read, LEN_COMMENT);
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return -1;
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}
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state = ST_BYTE_ZERO;
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case ST_BYTE_ZERO:
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byte_zero = comment[POS_BYTE_ZERO];
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if(!(int)byte_zero)
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{
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comment[POS_BYTE_ZERO] = '\0';
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state = ST_NUMBER;
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}
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else
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{
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comment[LEN_COMMENT] = '\0';
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state = ST_GENRE;
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}
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case ST_NUMBER:
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number = comment[POS_NUMBER];
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state = ST_GENRE;
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case ST_GENRE:
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n_read = fread(&genre_byte, 1, 1, file);
219+
if(n_read!=1)
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{
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printf("%d: leitura inválida, %d/%d bytes lidos\n",
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state, n_read, 1);
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return -1;
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}
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strcpy(genre, GENRE_LIST[(int)genre_byte]);
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break;
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default:
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printf("Default case reached\n");
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return -1;
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}
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fclose(file);
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printf("Título: %s\n", title);
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printf("Artista: %s\n", artist);
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printf("Álbum: %s\n", album);
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printf("Ano: %s\n", year);
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printf("Comentário: %s\n", comment);
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if(!(int)byte_zero)
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printf("Número: %d\n", (int)number);
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printf("Género: %s\n", genre);
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return 0;
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}

‎P01/ex3

16.3 KB
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