Submission #4749380

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Source Code Expand

#include <cstdio>
#include <iostream>
#include <iomanip>
#include <ios>

int main() {
    int N;
    scanf("%d", &N);
    int Imos[289] = {0};

    for (int i=0; i < N; i++) {
        char str[10];
        int S, E;
        scanf("%s", str);
        S = 60*(10*(str[0]-'0')+str[1]-'0') + (10*(str[2]-'0')+str[3]-'0');
        S -= S % 5;
        E = 60*(10*(str[5]-'0')+str[6]-'0') + (10*(str[7]-'0')+str[8]-'0');
        E += (E%5 ? 5-E%5 : 0);

        Imos[S/5]++;
        Imos[E/5]--;
    }

    for (int i=1; i < 289; i++) Imos[i] += Imos[i-1];

    for (int i=0; i < 289;) {
        if (Imos[i] == 0) {
            i++;
            continue;
        }
        int start_min = i * 5, end_min;
        while (Imos[i]) {
            if (Imos[++i] == 0) {
                end_min = i * 5;
                std::cout << std::setfill('0') << std::right << std::setw(2) << start_min/60;
                std::cout << std::setfill('0') << std::right << std::setw(2) << start_min%60;
                std::printf("-");
                std::cout << std::setfill('0') << std::right << std::setw(2) << end_min/60;
                std::cout << std::setfill('0') << std::right << std::setw(2) << end_min%60;
                std::printf("\n");
            }
        }
    }
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
                    ^
./Main.cpp:14:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s", str);
                         ^

Judge Result