Submission #1354434

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Source Code Expand

#include <iostream>
#include <cstdio>
#include <vector>
using namespace std;

int main()
{
    int N;
    scanf("%d", &N);
    vector<bool> T(24*60+1);
    for (int i=0; i<N; i++)
    {
        int S, E;
        scanf("%d-%d", &S, &E);
        int s = (S/100*60+S%100)/5*5;
        int e = (E/100*60+E%100+4)/5*5;
        for (int j=s; j<=e; j++)
            T[j] = true;
    }
    int s;
    for (int t=0; t<=24*60; t++)
    {
        if (T[t] && (t==0 || !T[t-1]))
            s = t;
        if (!T[t] && (t>0 && T[t-1]))
            printf("%02d%02d-%02d%02d\n", s/60, s%60, (t-1)/60, (t-1)%60);
    }
    if (T[24*60])
        printf("%02d%02d-2400\n", s/60, s%60);
}

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]
     scanf("%d", &N);
                    ^
./Main.cpp:14:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d-%d", &S, &E);
                               ^

Judge Result