Submission #1748711

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int s[100010];
int n,nu,ans,cnt;
int main(){
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		scanf("%d",&nu);
		if(nu==i)
		{
			if(cnt){cnt=0;continue;}
			ans++;
			cnt=1;		
		}
		else cnt=0;
	}
	cout<<ans<<endl;
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&nu);
                  ^

Judge Result