#include <bits/stdc++.h>
using namespace std;
#define int long long
#define INF (int)1e18
int pf[100001];
int cost(int s,int e){
return (pf[e]-pf[s])*(e-s);
}
signed main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
int N,K;
cin>>N>>K;
// N=30;
vector<int>v(N);
for(int i=0;i<N;i++){
cin>>v[i];
}
for(int i=0;i<N;i++){
pf[i+1]=pf[i]+v[i];
}
int x=0;
for(int i=2;i+1<N;i++){
x+=cost(0,i)+cost(i,N)<cost(0,i-1)+cost(i-1,N)&&cost(0,i)+cost(i,N)<cost(0,i+1)+cost(i+1,N);
// cout<<cost(0,i)+cost(i,N)<<' ';
}
if(x>0)return 1;
return 0;
}
| Subtask | Sum | Test | Verdict | Time | Memory | ||
|---|---|---|---|---|---|---|---|
| subtask1 | 0/0 | ||||||
| 1 | Runtime error | 3ms | 1840 KiB | ||||
| 2 | Runtime error | 3ms | 2228 KiB | ||||
| subtask2 | 0/10 | ||||||
| 3 | Runtime error | 3ms | 2304 KiB | ||||
| 4 | Runtime error | 3ms | 2452 KiB | ||||
| 5 | Runtime error | 3ms | 2548 KiB | ||||
| 6 | Runtime error | 2ms | 2632 KiB | ||||
| 7 | Runtime error | 3ms | 2760 KiB | ||||
| subtask3 | 0/10 | ||||||
| 8 | Runtime error | 3ms | 2872 KiB | ||||
| 9 | Runtime error | 3ms | 2856 KiB | ||||
| 10 | Runtime error | 3ms | 3116 KiB | ||||
| 11 | Runtime error | 3ms | 3196 KiB | ||||
| 12 | Runtime error | 3ms | 3284 KiB | ||||
| subtask4 | 0/20 | ||||||
| 13 | Runtime error | 3ms | 3356 KiB | ||||
| 14 | Runtime error | 3ms | 3484 KiB | ||||
| 15 | Runtime error | 3ms | 3372 KiB | ||||
| 16 | Runtime error | 3ms | 3364 KiB | ||||
| 17 | Runtime error | 3ms | 3364 KiB | ||||
| 18 | Runtime error | 3ms | 3372 KiB | ||||
| subtask5 | 0/29 | ||||||
| 19 | Runtime error | 8ms | 4892 KiB | ||||
| 20 | Runtime error | 8ms | 4956 KiB | ||||
| 21 | Runtime error | 8ms | 4844 KiB | ||||
| 22 | Runtime error | 8ms | 4844 KiB | ||||
| 23 | Runtime error | 8ms | 4908 KiB | ||||
| subtask6 | 0/31 | ||||||
| 24 | Runtime error | 14ms | 6408 KiB | ||||
| 25 | Runtime error | 16ms | 6716 KiB | ||||
| 26 | Runtime error | 14ms | 6716 KiB | ||||
| 27 | Runtime error | 14ms | 6716 KiB | ||||
| 28 | Runtime error | 14ms | 6772 KiB | ||||
| 29 | Runtime error | 14ms | 6716 KiB | ||||
| 30 | Runtime error | 14ms | 6756 KiB | ||||
| 31 | Runtime error | 14ms | 6812 KiB | ||||
| 32 | Runtime error | 14ms | 6804 KiB | ||||
| 33 | Runtime error | 14ms | 6816 KiB | ||||
| 34 | Runtime error | 14ms | 6764 KiB | ||||
| 35 | Runtime error | 14ms | 6764 KiB | ||||
| 36 | Runtime error | 14ms | 6772 KiB | ||||
| 37 | Runtime error | 14ms | 6780 KiB | ||||
| 38 | Runtime error | 14ms | 6724 KiB | ||||
| 39 | Runtime error | 14ms | 6720 KiB | ||||
| 40 | Runtime error | 14ms | 6624 KiB | ||||