[SOLVED] http://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1624

uva10683.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <assert.h>

int main() {
    int h, m, s, cs;
    while (scanf("%02d%02d%02d%02d", &h, &m, &s, &cs) != EOF) {
        unsigned long long time = h*60*60*100 + m*60*100 + s*100 + cs;
        printf("%07llu\n", time*10000000/8640000);
    }
    return 0;
}

watch.c

/*
    http://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1624
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <assert.h>

int main() {
    int i, h, m, s, cs;
    char testes[5][9] = { "00000000", "23595999", "12000000", "14273467", "02475901" };
    char respostas[5][9] = { "0000000", "9999998", "5000000", "6024846", "1166552" };
    char solucao[9];
    for (i = 0; i < 5; i++) {
        sscanf(testes[i], "%02d%02d%02d%02d", &h, &m, &s, &cs);
        unsigned long long time = h*60*60*100 + m*60*100 + s*100 + cs;
        sprintf(solucao, "%07llu\n", time*10000000/8640000);
        printf("Teste %d...\t", i);
        assert ( strcmp(solucao, respostas[i]) );
        printf("OK\n");
    }
    puts("Todos os testes passaram");
    return 0;
}