Submission #844833

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Source Code Expand

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

#define MAX 100002

int n;
vector<int> v;

int main(){
	cin >> n;
	for (int i = 0; i < n; i++){
		int a;
		scanf("%d", &a);
		v.push_back(a);
	}
	long long int cnt = 0;
	for (int i = 0; i + 1 < v.size(); i++){
		cnt += v[i] / 2;
		v[i] %= 2;
		long long int m = min(v[i + 1], v[i]);
		cnt += m;
		v[i + 1] -= m;
	}
	printf("%lld\n", cnt);
	//cout << cnt << endl;
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:14:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a);
                  ^

Judge Result