Submission #1354433

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main()
{
    int n; cin>>n;
    vector<bool> f(2400);
    for(int i=0; i<n; ++i) {
        int a, b;
        scanf("%d-%d", &a, &b);
        a-=a%5;
        a=a/100*60+a%100;
        if (b%5) b=b-b%5+5;
        b=b/100*60+b%100;
        while (a<=b) f[a++]=1;
    }
    bool x=0;
    for(int i=0; i<2400; ++i) {
        if (f[i] && !x) {
            printf("%02d%02d-", i/60, i%60);
            x=1;
        }
        else if (!f[i] && x) {
            printf("%02d%02d\n", ~-i/60, ~-i%60);
            x=0;
        }
    }
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d-%d", &a, &b);
                               ^

Judge Result