Submission #510079

#TimeUsernameProblemLanguageResultExecution timeMemory
510079M_sawas_Nizin (COCI16_nizin)C++17
0 / 100
127 ms7876 KiB
#include <bits/stdc++.h>
#define ll long long
#define endl "\n"
using namespace std;
ll n,a[1000007],ans,x;
int main()
{
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    x=n/2;
    for(int i=1;i<=x;i++){
        if(a[i]!=a[n-i]){
            if(a[i]+a[i+1]==a[n-i]){
                i++;
                ans++;
            }
            else if(a[n-i]+a[n-i-1]==a[i]){
                ans++;
            }
            else if(a[i]+a[i+1]==a[n-i]+a[n-i-1]){
                i++;
                ans++;
            }
        }
    }

    cout<<ans;

    return 0;
}
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...