Submission #9873629

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Source Code Expand

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

typedef long long ll;

int main(){
	ll n;
	ll a[100010];
	scanf("%lld",&n);
	for(int i = 0 ; i < n ; i ++){
		scanf("%lld",&a[i]);
	}
	
	ll ret[2];
	for(int t = 0 ; t < 2 ; t ++){
		ll sum = 0;
		for(int i = 0 ; i < n ; i ++){
			sum += a[i];
			if((i&1) == t){
				if(sum <= 0){
					ret[t] += 1-sum;
					sum = 1;
				}
			}
			else {
				if(sum >= 0){
					ret[t] += sum+1;
					sum = -1;
				}
			}
		}
	}
	cout << min( ret[0] , ret[1] ) << endl;
}

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("%lld",&n);
                  ^
./Main.cpp:11:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&a[i]);
                      ^

Judge Result