#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
#define int long long
int32_t main() {
int n;
cin >> n;
vector<int> a(n);
for (int i = 0; i < n; ++i) {
cin >> a[i];
}
vector<int> pr(n + 1);
for (int i = 0; i < n; ++i) {
pr[i + 1] = pr[i] + a[i];
}
int x = a[0];
int it = 1;
int ans = 1;
while (true) {
// cout << x << endl;
if (it >= n - 1) break;
vector<int>::iterator it1 = pr.begin() + it + 1;
int pos = lower_bound(it1, pr.end(), x + pr[it]) - pr.begin();
{
ans++;
if (x < pr[pos] - pr[it]) {
ans++;
x = pr[pos] - pr[it];
break;
}
it = pos;
}
//cout << it << endl;
}
cout << ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |