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fizzbuzz064.c
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#include <stdio.h>
static void inc(int *i) {
switch (*i) {
case '1': *i = '2'; break;
case '2': *i = '3'; break;
case '3': *i = '4'; break;
case '4': *i = '5'; break;
case '5': *i = '6'; break;
case '6': *i = '7'; break;
case '7': *i = '8'; break;
case '8': *i = '9'; break;
case '9': *i = '10'; break;
case '10': *i = '11'; break;
case '11': *i = '12'; break;
case '12': *i = '13'; break;
case '13': *i = '14'; break;
case '14': *i = '15'; break;
case '15': *i = '16'; break;
case '16': *i = '17'; break;
case '17': *i = '18'; break;
case '18': *i = '19'; break;
case '19': *i = '20'; break;
case '20': *i = '21'; break;
case '21': *i = '22'; break;
case '22': *i = '23'; break;
case '23': *i = '24'; break;
case '24': *i = '25'; break;
case '25': *i = '26'; break;
case '26': *i = '27'; break;
case '27': *i = '28'; break;
case '28': *i = '29'; break;
case '29': *i = '30'; break;
case '30': *i = '31'; break;
case '31': *i = '32'; break;
case '32': *i = '33'; break;
case '33': *i = '34'; break;
case '34': *i = '35'; break;
case '35': *i = '36'; break;
case '36': *i = '37'; break;
case '37': *i = '38'; break;
case '38': *i = '39'; break;
case '39': *i = '40'; break;
case '40': *i = '41'; break;
case '41': *i = '42'; break;
case '42': *i = '43'; break;
case '43': *i = '44'; break;
case '44': *i = '45'; break;
case '45': *i = '46'; break;
case '46': *i = '47'; break;
case '47': *i = '48'; break;
case '48': *i = '49'; break;
case '49': *i = '50'; break;
case '50': *i = '51'; break;
case '51': *i = '52'; break;
case '52': *i = '53'; break;
case '53': *i = '54'; break;
case '54': *i = '55'; break;
case '55': *i = '56'; break;
case '56': *i = '57'; break;
case '57': *i = '58'; break;
case '58': *i = '59'; break;
case '59': *i = '60'; break;
case '60': *i = '61'; break;
case '61': *i = '62'; break;
case '62': *i = '63'; break;
case '63': *i = '64'; break;
case '64': *i = '65'; break;
case '65': *i = '66'; break;
case '66': *i = '67'; break;
case '67': *i = '68'; break;
case '68': *i = '69'; break;
case '69': *i = '70'; break;
case '70': *i = '71'; break;
case '71': *i = '72'; break;
case '72': *i = '73'; break;
case '73': *i = '74'; break;
case '74': *i = '75'; break;
case '75': *i = '76'; break;
case '76': *i = '77'; break;
case '77': *i = '78'; break;
case '78': *i = '79'; break;
case '79': *i = '80'; break;
case '80': *i = '81'; break;
case '81': *i = '82'; break;
case '82': *i = '83'; break;
case '83': *i = '84'; break;
case '84': *i = '85'; break;
case '85': *i = '86'; break;
case '86': *i = '87'; break;
case '87': *i = '88'; break;
case '88': *i = '89'; break;
case '89': *i = '90'; break;
case '90': *i = '91'; break;
case '91': *i = '92'; break;
case '92': *i = '93'; break;
case '93': *i = '94'; break;
case '94': *i = '95'; break;
case '95': *i = '96'; break;
case '96': *i = '97'; break;
case '97': *i = '98'; break;
case '98': *i = '99'; break;
case '99': *i = '100'; break;
case '100': *i = '101'; break;
}
}
static void line(int i) {
switch (i) {
case '3':
case '6':
case '9':
case '12':
case '18':
case '21':
case '24':
case '27':
case '33':
case '36':
case '39':
case '42':
case '48':
case '51':
case '54':
case '57':
case '63':
case '66':
case '69':
case '72':
case '78':
case '81':
case '84':
case '87':
case '93':
case '96':
case '99': puts("Fizz"); break;
case '5':
case '10':
case '20':
case '25':
case '35':
case '40':
case '50':
case '55':
case '65':
case '70':
case '80':
case '85':
case '95':
case '100': puts("Buzz"); break;
case '15':
case '30':
case '45':
case '60':
case '75':
case '90': puts("FizzBuzz"); break;
case '1': puts("1"); break;
case '2': puts("2"); break;
case '4': puts("4"); break;
case '7': puts("7"); break;
case '8': puts("8"); break;
case '11': puts("11"); break;
case '13': puts("13"); break;
case '14': puts("14"); break;
case '16': puts("16"); break;
case '17': puts("17"); break;
case '19': puts("19"); break;
case '22': puts("22"); break;
case '23': puts("23"); break;
case '26': puts("26"); break;
case '28': puts("28"); break;
case '29': puts("29"); break;
case '31': puts("31"); break;
case '32': puts("32"); break;
case '34': puts("34"); break;
case '37': puts("37"); break;
case '38': puts("38"); break;
case '41': puts("41"); break;
case '43': puts("43"); break;
case '44': puts("44"); break;
case '46': puts("46"); break;
case '47': puts("47"); break;
case '49': puts("49"); break;
case '52': puts("52"); break;
case '53': puts("53"); break;
case '56': puts("56"); break;
case '58': puts("58"); break;
case '59': puts("59"); break;
case '61': puts("61"); break;
case '62': puts("62"); break;
case '64': puts("64"); break;
case '67': puts("67"); break;
case '68': puts("68"); break;
case '71': puts("71"); break;
case '73': puts("73"); break;
case '74': puts("74"); break;
case '76': puts("76"); break;
case '77': puts("77"); break;
case '79': puts("79"); break;
case '82': puts("82"); break;
case '83': puts("83"); break;
case '86': puts("86"); break;
case '88': puts("88"); break;
case '89': puts("89"); break;
case '91': puts("91"); break;
case '92': puts("92"); break;
case '94': puts("94"); break;
case '97': puts("97"); break;
case '98': puts("98"); break;
}
}
int main(void) {
for (int i = '1'; i != '101'; inc(&i)) {
line(i);
}
}