Submission #66309254

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
const int MAXN=1e6+3;
int n,m,a[MAXN];
int main()
{
	scanf("%d%d",&n,&m);
	for(int i=1;i<=m;i++)
	{
		int l,r;
		scanf("%d%d",&l,&r);
		++a[l],--a[r+1];
	}
	int ans=0x3f3f3f3f;
	for(int i=1;i<=n;i++)
		ans=min(ans,a[i]+=a[i-1]);
	printf("%d\n",ans);
	return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:7:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    7 |         scanf("%d%d",&n,&m);
      |         ~~~~~^~~~~~~~~~~~~~
Main.cpp:11:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   11 |                 scanf("%d%d",&l,&r);
      |                 ~~~~~^~~~~~~~~~~~~~

Judge Result