// Muallif: Mansuraliyev Husanboy Murotali o'g'li >> NamPS
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ios ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define all(a) a.begin(), a.end()
#define F first
#define S second
// 0-9 >> 48-57; A-Z>>65-90 and a-z>>97-122 respectively;
//string a[11]={"CARS","cars","IuVEJxTXs","UvOHhng","yZKfAYmaqolM","NtGQibw","djPrCpek","FWzL","aySBaPyb","RM","gzYMynY"};
//string b[11]={"Unil","EPFL","vpVZzBNtL","SCubWma","ocIYneAPqxDs","hRkMGgJ","fHrFUQTj","XOwd","PolyProg","is","awesome"};
void solve(){
int n; cin>>n;
ll a[n+1];for(int i=1;i<=n;i++) cin>>a[i];
vector<ll> sum(n+2); ll k=0;
for(int i=1;i<=n;i++) k+=a[i],sum[i]=k;
vector<ll> dp(n+2),tem(n+2);
for(int i=1;i<=n;i++){
tem[i]=max(tem[i],tem[i-1]);
dp[i]=dp[tem[i]]+1;ll o=2ll*sum[i]-sum[tem[i]];
int x=lower_bound(sum.begin()+1,sum.end()-1,o)-sum.begin();
tem[x]=max(i*1ll,tem[x]);
}
cout<<dp[n];
}
int main(){
ios;
//int t=1; cin>>t; while(t--)
solve();
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
316 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
316 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
308 KB |
Output is correct |
| 13 |
Correct |
1 ms |
308 KB |
Output is correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
204 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
316 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
316 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
308 KB |
Output is correct |
| 13 |
Correct |
1 ms |
308 KB |
Output is correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
204 KB |
Output is correct |
| 16 |
Correct |
0 ms |
204 KB |
Output is correct |
| 17 |
Correct |
0 ms |
312 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
316 KB |
Output is correct |
| 20 |
Correct |
1 ms |
320 KB |
Output is correct |
| 21 |
Correct |
1 ms |
320 KB |
Output is correct |
| 22 |
Correct |
1 ms |
316 KB |
Output is correct |
| 23 |
Correct |
1 ms |
204 KB |
Output is correct |
| 24 |
Correct |
1 ms |
308 KB |
Output is correct |
| 25 |
Correct |
1 ms |
332 KB |
Output is correct |
| 26 |
Correct |
1 ms |
204 KB |
Output is correct |
| 27 |
Correct |
1 ms |
204 KB |
Output is correct |
| 28 |
Correct |
1 ms |
204 KB |
Output is correct |
| 29 |
Correct |
1 ms |
204 KB |
Output is correct |
| 30 |
Correct |
1 ms |
204 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
316 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
316 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
308 KB |
Output is correct |
| 13 |
Correct |
1 ms |
308 KB |
Output is correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
204 KB |
Output is correct |
| 16 |
Correct |
0 ms |
204 KB |
Output is correct |
| 17 |
Correct |
0 ms |
312 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
316 KB |
Output is correct |
| 20 |
Correct |
1 ms |
320 KB |
Output is correct |
| 21 |
Correct |
1 ms |
320 KB |
Output is correct |
| 22 |
Correct |
1 ms |
316 KB |
Output is correct |
| 23 |
Correct |
1 ms |
204 KB |
Output is correct |
| 24 |
Correct |
1 ms |
308 KB |
Output is correct |
| 25 |
Correct |
1 ms |
332 KB |
Output is correct |
| 26 |
Correct |
1 ms |
204 KB |
Output is correct |
| 27 |
Correct |
1 ms |
204 KB |
Output is correct |
| 28 |
Correct |
1 ms |
204 KB |
Output is correct |
| 29 |
Correct |
1 ms |
204 KB |
Output is correct |
| 30 |
Correct |
1 ms |
204 KB |
Output is correct |
| 31 |
Correct |
1 ms |
308 KB |
Output is correct |
| 32 |
Correct |
1 ms |
332 KB |
Output is correct |
| 33 |
Correct |
1 ms |
324 KB |
Output is correct |
| 34 |
Correct |
1 ms |
324 KB |
Output is correct |
| 35 |
Correct |
1 ms |
328 KB |
Output is correct |
| 36 |
Correct |
1 ms |
332 KB |
Output is correct |
| 37 |
Correct |
2 ms |
360 KB |
Output is correct |
| 38 |
Correct |
1 ms |
332 KB |
Output is correct |
| 39 |
Correct |
1 ms |
320 KB |
Output is correct |
| 40 |
Correct |
1 ms |
364 KB |
Output is correct |
| 41 |
Correct |
1 ms |
332 KB |
Output is correct |
| 42 |
Correct |
1 ms |
332 KB |
Output is correct |
| 43 |
Correct |
1 ms |
332 KB |
Output is correct |
| 44 |
Correct |
1 ms |
332 KB |
Output is correct |
| 45 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
316 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
316 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
308 KB |
Output is correct |
| 13 |
Correct |
1 ms |
308 KB |
Output is correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
204 KB |
Output is correct |
| 16 |
Correct |
0 ms |
204 KB |
Output is correct |
| 17 |
Correct |
0 ms |
312 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
316 KB |
Output is correct |
| 20 |
Correct |
1 ms |
320 KB |
Output is correct |
| 21 |
Correct |
1 ms |
320 KB |
Output is correct |
| 22 |
Correct |
1 ms |
316 KB |
Output is correct |
| 23 |
Correct |
1 ms |
204 KB |
Output is correct |
| 24 |
Correct |
1 ms |
308 KB |
Output is correct |
| 25 |
Correct |
1 ms |
332 KB |
Output is correct |
| 26 |
Correct |
1 ms |
204 KB |
Output is correct |
| 27 |
Correct |
1 ms |
204 KB |
Output is correct |
| 28 |
Correct |
1 ms |
204 KB |
Output is correct |
| 29 |
Correct |
1 ms |
204 KB |
Output is correct |
| 30 |
Correct |
1 ms |
204 KB |
Output is correct |
| 31 |
Correct |
1 ms |
308 KB |
Output is correct |
| 32 |
Correct |
1 ms |
332 KB |
Output is correct |
| 33 |
Correct |
1 ms |
324 KB |
Output is correct |
| 34 |
Correct |
1 ms |
324 KB |
Output is correct |
| 35 |
Correct |
1 ms |
328 KB |
Output is correct |
| 36 |
Correct |
1 ms |
332 KB |
Output is correct |
| 37 |
Correct |
2 ms |
360 KB |
Output is correct |
| 38 |
Correct |
1 ms |
332 KB |
Output is correct |
| 39 |
Correct |
1 ms |
320 KB |
Output is correct |
| 40 |
Correct |
1 ms |
364 KB |
Output is correct |
| 41 |
Correct |
1 ms |
332 KB |
Output is correct |
| 42 |
Correct |
1 ms |
332 KB |
Output is correct |
| 43 |
Correct |
1 ms |
332 KB |
Output is correct |
| 44 |
Correct |
1 ms |
332 KB |
Output is correct |
| 45 |
Correct |
1 ms |
332 KB |
Output is correct |
| 46 |
Correct |
10 ms |
3764 KB |
Output is correct |
| 47 |
Correct |
12 ms |
3888 KB |
Output is correct |
| 48 |
Correct |
16 ms |
4208 KB |
Output is correct |
| 49 |
Correct |
16 ms |
4268 KB |
Output is correct |
| 50 |
Correct |
18 ms |
4452 KB |
Output is correct |
| 51 |
Correct |
16 ms |
4400 KB |
Output is correct |
| 52 |
Correct |
9 ms |
2312 KB |
Output is correct |
| 53 |
Correct |
5 ms |
1548 KB |
Output is correct |
| 54 |
Correct |
11 ms |
3660 KB |
Output is correct |
| 55 |
Correct |
16 ms |
4396 KB |
Output is correct |
| 56 |
Correct |
13 ms |
3896 KB |
Output is correct |
| 57 |
Correct |
11 ms |
3804 KB |
Output is correct |
| 58 |
Correct |
12 ms |
3788 KB |
Output is correct |
| 59 |
Correct |
15 ms |
4012 KB |
Output is correct |
| 60 |
Correct |
14 ms |
3948 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
316 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
316 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
308 KB |
Output is correct |
| 13 |
Correct |
1 ms |
308 KB |
Output is correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
204 KB |
Output is correct |
| 16 |
Correct |
0 ms |
204 KB |
Output is correct |
| 17 |
Correct |
0 ms |
312 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
316 KB |
Output is correct |
| 20 |
Correct |
1 ms |
320 KB |
Output is correct |
| 21 |
Correct |
1 ms |
320 KB |
Output is correct |
| 22 |
Correct |
1 ms |
316 KB |
Output is correct |
| 23 |
Correct |
1 ms |
204 KB |
Output is correct |
| 24 |
Correct |
1 ms |
308 KB |
Output is correct |
| 25 |
Correct |
1 ms |
332 KB |
Output is correct |
| 26 |
Correct |
1 ms |
204 KB |
Output is correct |
| 27 |
Correct |
1 ms |
204 KB |
Output is correct |
| 28 |
Correct |
1 ms |
204 KB |
Output is correct |
| 29 |
Correct |
1 ms |
204 KB |
Output is correct |
| 30 |
Correct |
1 ms |
204 KB |
Output is correct |
| 31 |
Correct |
1 ms |
308 KB |
Output is correct |
| 32 |
Correct |
1 ms |
332 KB |
Output is correct |
| 33 |
Correct |
1 ms |
324 KB |
Output is correct |
| 34 |
Correct |
1 ms |
324 KB |
Output is correct |
| 35 |
Correct |
1 ms |
328 KB |
Output is correct |
| 36 |
Correct |
1 ms |
332 KB |
Output is correct |
| 37 |
Correct |
2 ms |
360 KB |
Output is correct |
| 38 |
Correct |
1 ms |
332 KB |
Output is correct |
| 39 |
Correct |
1 ms |
320 KB |
Output is correct |
| 40 |
Correct |
1 ms |
364 KB |
Output is correct |
| 41 |
Correct |
1 ms |
332 KB |
Output is correct |
| 42 |
Correct |
1 ms |
332 KB |
Output is correct |
| 43 |
Correct |
1 ms |
332 KB |
Output is correct |
| 44 |
Correct |
1 ms |
332 KB |
Output is correct |
| 45 |
Correct |
1 ms |
332 KB |
Output is correct |
| 46 |
Correct |
10 ms |
3764 KB |
Output is correct |
| 47 |
Correct |
12 ms |
3888 KB |
Output is correct |
| 48 |
Correct |
16 ms |
4208 KB |
Output is correct |
| 49 |
Correct |
16 ms |
4268 KB |
Output is correct |
| 50 |
Correct |
18 ms |
4452 KB |
Output is correct |
| 51 |
Correct |
16 ms |
4400 KB |
Output is correct |
| 52 |
Correct |
9 ms |
2312 KB |
Output is correct |
| 53 |
Correct |
5 ms |
1548 KB |
Output is correct |
| 54 |
Correct |
11 ms |
3660 KB |
Output is correct |
| 55 |
Correct |
16 ms |
4396 KB |
Output is correct |
| 56 |
Correct |
13 ms |
3896 KB |
Output is correct |
| 57 |
Correct |
11 ms |
3804 KB |
Output is correct |
| 58 |
Correct |
12 ms |
3788 KB |
Output is correct |
| 59 |
Correct |
15 ms |
4012 KB |
Output is correct |
| 60 |
Correct |
14 ms |
3948 KB |
Output is correct |
| 61 |
Correct |
49 ms |
17880 KB |
Output is correct |
| 62 |
Correct |
50 ms |
17884 KB |
Output is correct |
| 63 |
Correct |
58 ms |
18312 KB |
Output is correct |
| 64 |
Correct |
76 ms |
20440 KB |
Output is correct |
| 65 |
Correct |
80 ms |
20920 KB |
Output is correct |
| 66 |
Correct |
76 ms |
20676 KB |
Output is correct |
| 67 |
Correct |
63 ms |
16584 KB |
Output is correct |
| 68 |
Correct |
31 ms |
8392 KB |
Output is correct |
| 69 |
Correct |
53 ms |
16996 KB |
Output is correct |
| 70 |
Correct |
78 ms |
20824 KB |
Output is correct |
| 71 |
Correct |
62 ms |
17916 KB |
Output is correct |
| 72 |
Correct |
57 ms |
18264 KB |
Output is correct |
| 73 |
Correct |
62 ms |
18780 KB |
Output is correct |
| 74 |
Correct |
72 ms |
19160 KB |
Output is correct |
| 75 |
Correct |
71 ms |
19156 KB |
Output is correct |
