Submission #899043

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Source Code Expand

#include <cstdio>

using namespace std;

int period[485];

int main() {
    int N;
    scanf("%d", &N);

    for (int i=0; i<N; ++i) {
        int S, E;
        scanf("%d-%d", &S, &E);
        ++period[S/100*12+S%100/5];
        --period[E/100*12+(E%100+4)/5];
    }

    bool is_opened=period[0];
    if (is_opened)
        printf("0000-");

    for (int i=1; i<=480; ++i) {
        period[i] += period[i-1];
        if (is_opened && !period[i]) {
            printf("%04d\n", i/12*100+i%12*5);
            is_opened = false;
        } else if (!is_opened && period[i]) {
            printf("%04d-", i/12*100+i%12*5);
            is_opened = true;
        }
    }

    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
./Main.cpp:13:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result