int main(void) {    char a, b, c, d;    int n, i;    char s[5];    scanf( "%d", &n);    for (i=0; i<n; ++i) {       scanf( "%s", s);       test( s[0], s[1], s[2], s[3]);    }    return 0; } void convert( char c, int i) {       switch (c) {       case 'A':          cardsnum[i] = 1;          break;       case '2':          cardsnum[i] = 2;          break;       case '3':          cardsnum[i] = 3;          break;       case '4':          cardsnum[i] = 4;          break;       case '5':          cardsnum[i] = 5;          break;       case '6':          cardsnum[i] = 6;          break;       case '7':          cardsnum[i] = 7;          break;       case '8':          cardsnum[i] = 8;          break;       case '9':          cardsnum[i] = 9;          break;       case 'T':          cardsnum[i] = 10;          break;       case 'J':          cardsnum[i] = 11;          break;       case 'Q':          cardsnum[i] = 12;          break;       case 'K':          cardsnum[i] = 13;       } } double add( double a, double b) {    return a + b; } double sub( double a, double b) {    return a - b; } double mult( double a, double b) {    return a * b; } double div( double a, double b) {    return (b==0) ? TheBigNumber : a/b ; }

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