#include<bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for(int i = a; i < b; ++i)
#define REP(i, n) FOR(i, 0, n)
#define _ << " " <<
#define sz(x) ((int) x.size())
#define pb(x) push_back(x)
#define TRACE(x) cerr << #x << " = " << x << endl
typedef long long ll;
typedef long double ld;
typedef pair<ld, ld> point;
const int MAXN = 2e5 + 5;
const ld eps = 1e-6;
int n;
ld x[MAXN], r[MAXN];
stack <point> stek;
int main(){
ios_base::sync_with_stdio(false); cin.tie(0);
cin >> n;
REP(i, n){
cin >> x[i] >> r[i];
ld radijus = r[i];
while(sz(stek)){
ld xx = stek.top().first - x[i];
xx *= xx;
radijus = min(radijus, ( xx ) / ((ld)4 * stek.top().second));
if(radijus > stek.top().second - eps)
stek.pop();
else{
cout << setprecision(3) << fixed << radijus << "\n";
stek.push(point(x[i], radijus));
break;
}
}
if(!sz(stek)){
cout << setprecision(3) << fixed << radijus << "\n";
stek.push(point(x[i], r[i]));
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
508 KB |
10 numbers |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
2 numbers |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
376 KB |
8th numbers differ - expected: '0.3800000000', found: '0.3400000000', error = '0.0400000000' |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
504 KB |
2000 numbers |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
31 ms |
1380 KB |
2954th numbers differ - expected: '267.9930000000', found: '58.1120000000', error = '209.8810000000' |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
75 ms |
3416 KB |
14055th numbers differ - expected: '15399.0000000000', found: '15379.0260000000', error = '19.9740000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
151 ms |
6124 KB |
7288th numbers differ - expected: '7939.1490000000', found: '7931.0080000000', error = '8.1410000000' |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
176 ms |
7068 KB |
4716th numbers differ - expected: '5060.5780000000', found: '5034.1380000000', error = '26.4400000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
242 ms |
9064 KB |
1773rd numbers differ - expected: '0.1050000000', found: '0.1030000000', error = '0.0020000000' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
288 ms |
11032 KB |
2791st numbers differ - expected: '0.1790000000', found: '0.1770000000', error = '0.0020000000' |
2 |
Halted |
0 ms |
0 KB |
- |