제출 #43360

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
43360		Hassoony	Nizin (COCI16_nizin)	C++14	0 / 100	111 ms	4264 KiB

nizin

#include<bits/stdc++.h>

using namespace std;
typedef long long ll;
const int MX=1e6+9;
int n,a[MX];
int main(){
    scanf("%d",&n);
    for(int i=0;i<n;i++)scanf("%d",&a[i]);
    int p1=0,p2=n-1,ans=0;
    ll sum=0;
    while(p1<p2){
        if(sum+a[p1]-a[p2]==0){
            ++p1;
            --p2;
            sum=0;
            continue;
        }
        if(sum+a[p1]<-sum+a[p2]){
            sum+=a[p1++];
            ans++;
        }
        else{
            sum-=a[p2--];
            ans++;
        }
    }
    if(n==1){
        cout<<0<<endl;
        return 0;
    }
    if(sum!=0)ans++;
    cout<<ans<<endl;
}

컴파일 시 표준 에러 (stderr) 메시지

nizin.cpp: In function 'int main()':
nizin.cpp:8:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
nizin.cpp:9:42: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i=0;i<n;i++)scanf("%d",&a[i]);
                                          ^

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