#include <bits/stdc++.h>
using namespace std;
int main(){
int n;
cin >> n;
vector <int> a(n+1), p(n+1, 0);
for(int i = 1; i <= n; i++){
cin >> a[i];
p[i] = p[i-1] + a[i];
}
vector <vector <int>> v, v1;
v.resize(n+1);
v1.resize(n+1);
for(int i = 1; i <= n; i++){
long long s = 0;
for(int j = i-1; j >= 1; j--){
s += a[j+1];
int t = upper_bound(v[j].begin(), v[j].end(), s) - v[j].begin();
if(t != 0){
v[i].push_back(s);
v1[i].push_back(v1[j][t-1]+1);
}
}
s += a[1];
v[i].push_back(s);
v1[i].push_back(1);
for(int j = 1; j < (int)v1[i].size(); j++){
v1[i][j] = max(v1[i][j],v1[i][j-1]);
}
}
cout << v1[n-1].back()+1;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |