#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define pll pair<long long, long long>
const int sz = 1e5 + 5;
pll a[sz];
long double f[sz];
long double dist(long long x, long long y, long long u, long long v){
x = x - u;
y = y - v;
return sqrt(x*x + y*y);
}
long double bs(long double x, long double y, long double p){
long double l = 0, r = 1e9;
for(int i=1;i<45;++i){
long double mid = (l + r) / 2;
if(dist(x, y, p, mid) >= mid + y){
l = mid;
}
else{
r = mid;
}
}
return (l + r) / 2;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
//freopen("main.inp","r",stdin);
//freopen("main.out","w",stdout);
int n;
cin>>n;
for(int i=1;i<=n;++i){
cin >> a[i].first >> a[i].second;
f[i] = a[i].second;
for(int j=i-1;j>=1;--j){
f[i] = min(f[i], bs(a[j].first, f[j], a[i].first));
}
cout << fixed << setprecision(3) << f[i]<<endl;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
2392 KB |
2nd numbers differ - expected: '4.1670000000', found: '4.2840000000', error = '0.1170000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
2392 KB |
2nd numbers differ - expected: '252735385.4379999936', found: '252735385.4329999983', error = '0.0049999952' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
159 ms |
2500 KB |
3rd numbers differ - expected: '0.0420000000', found: '0.0840000000', error = '0.0420000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2025 ms |
2808 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2047 ms |
2836 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2058 ms |
2644 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2062 ms |
2640 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2062 ms |
2832 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2013 ms |
2828 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2008 ms |
2660 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |