Submission #842373

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Source Code Expand

#include <iostream>
#include <cstdio>

#define reep(i,n,m) for(int i=(n);i<(m);i++)
#define rep(i,n) reep(i,0,n)

using namespace std;

int a[25][12] = {0};

int main(){
	int N;
	cin >> N;
	for(int i=0;i<N;i++){
		int s,e;
		scanf("%d-%d",&s,&e);
		int h = s/100;
		int m = s%100;
		a[h][m/5]++;
		h = e/100;
		m = e%100+4;
		a[h][m/5]--;
	}
	//puts("-----------");
	int cou=0;
	rep(h,25){
		rep(m,12){
			if(cou==0&&cou+a[h][m]>0){
				printf("%02d%02d-",h,m*5);
			}
			if(cou+a[h][m]==0 && a[h][m]<0){
				printf("%02d%02d\n",h,m*5);
			}
			cou+=a[h][m];
		}
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:16:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result