Submission #43363

#	Time	Username	Problem	Language	Result	Execution time	Memory
43363		Hassoony	Nizin (COCI16_nizin)	C++14	100 / 100	131 ms	14692 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 sum1=0,sum2=0;
    while(p1<p2){
        if(sum1+a[p1]-sum2-a[p2]==0){
            ++p1;
            --p2;
            sum1=sum2=0;
            continue;
        }
        if(sum1+a[p1]<sum2+a[p2]){
            sum1+=a[p1++];
            ans++;
        }
        else{
            sum2+=a[p2--];
            ans++;
        }
    }
    if(n==1){
        cout<<0<<endl;
        return 0;
    }
    cout<<ans<<endl;
}

Compilation message (stderr)

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]);
                                          ^

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10