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Submission #1013080

# Submission time Handle Problem Language Result Execution time Memory
1013080 2024-07-03T07:18:32 Z nrg_studio Balloons (CEOI11_bal) C++17
10 / 100
 103 ms 4756 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ld long double
#define pb push_back
#define FOR(i, a, b, s) for (int i = (a); i < (b); i += s)
#define F0R(i, a) for (int i = 0; i < (a); i++)
#define pii pair<ll,ll>
#define mp make_pair
#define f first
#define s second

int main() {
	ios::sync_with_stdio(false); cin.tie(0);
	
	int n; cin >> n;
	ll x, r;
	stack<pii> s;
	cout << fixed << setprecision(3);
	F0R(i,n) {
		cin >> x >> r;
		ld cand = r;
		while (s.size()) {
			pii p = s.top(); cand = min((ld)(x-p.f)*(x-p.f)/p.s/4,(ld)r);
			if (cand >= p.s) {s.pop();}
			else {break;}
		} s.push({x,cand});
		cout << cand << '\n';
	}
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB 8th numbers differ - expected: '8.7410000000', found: '9.0910000000', error = '0.3500000000'
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB 2 numbers

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB 13th numbers differ - expected: '2.3960000000', found: '2.4500000000', error = '0.0540000000'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 348 KB 3rd numbers differ - expected: '121.0000000000', found: '121.0020000000', error = '0.0020000000'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 856 KB 44th numbers differ - expected: '165.0000000000', found: '165.0020000000', error = '0.0020000000'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 26 ms 1372 KB 250th numbers differ - expected: '15134.0000000000', found: '18307.0000000000', error = '3173.0000000000'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 69 ms 2532 KB 162nd numbers differ - expected: '7765.0000000000', found: '14571.0000000000', error = '6806.0000000000'
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 70 ms 3156 KB 510th numbers differ - expected: '4505.0010000000', found: '13465.0000000000', error = '8959.9990000000'
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 99 ms 3896 KB 161st numbers differ - expected: '1703.0000000000', found: '4036.0000000000', error = '2333.0000000000'
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 103 ms 4756 KB 248th numbers differ - expected: '2694.0020000000', found: '8658.0000000000', error = '5963.9980000000'
2 Halted 0 ms 0 KB -