#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <map>
#include <unordered_map>
#include <set>
#include <queue>
#include <deque>
#include <numeric>
#include <cmath>
#include <cstring>
#include <climits>
#include <stack>
#include <bitset>
typedef long long ll;
using namespace std;
// https://oj.uz/problem/view/CEOI11_bal
int main() {
ll n; cin >> n;
stack<pair<double,long double>> s;
for (int i = 0; i<n; i++) {
double x,r; cin >> x >> r;
long double constraint = r;
while (!s.empty()) {
long double c = (x-s.top().first)*(x-s.top().first)/(long double)(4*s.top().second);
constraint = min(constraint,c);
if (constraint > s.top().second) s.pop(); // we are sure that we can inflate to at least s.top().second
else break; // now we are sure that a stronger constraint cannot be delivered
}
s.push({x,constraint});
cout << constraint << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
10 numbers |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
1st numbers differ - expected: '247294217.0000000000', found: '247294000.0000000000', error = '217.0000000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
344 KB |
505 numbers |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
348 KB |
2000 numbers |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
45 ms |
600 KB |
2953rd numbers differ - expected: '1030.4380000000', found: '1030.4400000000', error = '0.0020000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
113 ms |
1808 KB |
251st numbers differ - expected: '15123.0020000000', found: '15123.0000000000', error = '0.0020000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
218 ms |
2540 KB |
285th numbers differ - expected: '7629.0020000000', found: '7629.0000000000', error = '0.0020000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
269 ms |
2872 KB |
511th numbers differ - expected: '4494.0050000000', found: '4494.0100000000', error = '0.0050000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
350 ms |
3676 KB |
164th numbers differ - expected: '1698.0020000000', found: '1698.0000000000', error = '0.0020000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
439 ms |
4432 KB |
248th numbers differ - expected: '2694.0020000000', found: '2694.0000000000', error = '0.0020000000' |
2 |
Halted |
0 ms |
0 KB |
- |