Submission #844760

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int main(){
	long long ans=0;
	int n,x,pre=0;
	scanf("%d",&n);
	while(n--){
		scanf("%d",&x);
		if(pre&&x) x--,ans++;
		pre=x&1;
		ans+=x>>1;
	}
	printf("%lld\n",ans);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:8:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&x);
                 ^

Judge Result