#include <bits/stdc++.h>
using namespace std;
using ld = long double;
const ld w = 0.0001;
ld solve(int x1, int x2, ld r2){
return ((x2 - x1)*(x2 - x1))/(4*r2) - w;
}
int main(){
cin.tie(0)->sync_with_stdio(0);
int n; cin >> n;
stack<pair<ld, ld>> q;
for(int i=1; i<=n; i++){
ld x, r; cin >> x >> r;
while(!q.empty() && q.top().second <= r){
r = min(r, solve(x, q.top().first, q.top().second));
q.pop();
}
if(!q.empty()) r = min(r, solve(x, q.top().first, q.top().second));
cout << fixed << setprecision(3) << r << "\n";
q.push({x, r});
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
5th numbers differ - expected: '17.1630000000', found: '99.0000000000', error = '81.8370000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
2nd numbers differ - expected: '252735385.4379999936', found: '0.9330000000', error = '252735384.5049999952' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
600 KB |
30th numbers differ - expected: '5.5990000000', found: '14.9870000000', error = '9.3880000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
344 KB |
148th numbers differ - expected: '8.2380000000', found: '26.0000000000', error = '17.7620000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
15 ms |
608 KB |
196th numbers differ - expected: '100.7250000000', found: '111.0000000000', error = '10.2750000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
52 ms |
824 KB |
4th numbers differ - expected: '15396.0000000000', found: '-8148.5510000000', error = '23544.5510000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
92 ms |
1384 KB |
14th numbers differ - expected: '7919.0000000000', found: '-64224.1280000000', error = '72143.1280000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
104 ms |
1620 KB |
7th numbers differ - expected: '5052.0000000000', found: '-85953.8200000000', error = '91005.8200000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
125 ms |
2008 KB |
25th numbers differ - expected: '1850.0000000000', found: '-263697.1150000000', error = '265547.1150000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
169 ms |
2384 KB |
16th numbers differ - expected: '2946.0000000000', found: '-174851.9200000000', error = '177797.9200000000' |
2 |
Halted |
0 ms |
0 KB |
- |