#include <bits/stdc++.h>
using namespace std;
int main() {
int n, sz;
cin >> n >> sz;
vector<pair<int, int>> a(n);
for (int i = 0; i < n; i++) {
cin >> a[i].first >> a[i].second;
}
double l = 1, r = 1e9 + 5;
while (r - l > 1e-3) {
double mid = (l + r) / 2, j = 0;
vector<pair<int, int>> s;
for (int i = 0; i < n; i++) {
double temp = sqrt(mid * mid - a[i].second * a[i].second);
double left = a[i].first - temp, right = a[i].first + temp;
s.push_back({left, right});
if (left <= j) j = max(j, right);
}
if (j >= sz) r = mid;
else l = mid;
}
cout << fixed << setprecision(6) << l << endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
432 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
528 KB |
Output is correct |
2 |
Correct |
2 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
2 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
604 KB |
Output is correct |
2 |
Correct |
4 ms |
604 KB |
Output is correct |
3 |
Correct |
3 ms |
604 KB |
Output is correct |
4 |
Incorrect |
4 ms |
648 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
604 KB |
Output is correct |
2 |
Correct |
4 ms |
604 KB |
Output is correct |
3 |
Correct |
3 ms |
616 KB |
Output is correct |
4 |
Incorrect |
4 ms |
616 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
604 KB |
Output is correct |
2 |
Correct |
4 ms |
604 KB |
Output is correct |
3 |
Correct |
4 ms |
604 KB |
Output is correct |
4 |
Incorrect |
4 ms |
600 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
83 ms |
3504 KB |
Output is correct |
2 |
Incorrect |
71 ms |
3796 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
66 ms |
3536 KB |
Output is correct |
2 |
Correct |
62 ms |
3480 KB |
Output is correct |
3 |
Incorrect |
74 ms |
3740 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
69 ms |
3612 KB |
Output is correct |
2 |
Incorrect |
72 ms |
4004 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
88 ms |
4644 KB |
Output is correct |
2 |
Incorrect |
85 ms |
4504 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
86 ms |
4616 KB |
Output is correct |
2 |
Incorrect |
95 ms |
4476 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
341 ms |
16708 KB |
Output is correct |
2 |
Incorrect |
449 ms |
20392 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
381 ms |
20768 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
417 ms |
24976 KB |
Output is correct |
2 |
Incorrect |
476 ms |
29504 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
483 ms |
29804 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
510 ms |
25756 KB |
Output is correct |
2 |
Incorrect |
586 ms |
31008 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
660 ms |
31556 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
564 ms |
29116 KB |
Output is correct |
2 |
Incorrect |
676 ms |
34308 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
683 ms |
36004 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
670 ms |
33012 KB |
Output is correct |
2 |
Incorrect |
798 ms |
39944 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
838 ms |
40856 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |