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Submission #1016019

# Submission time Handle Problem Language Result Execution time Memory
1016019 2024-07-07T09:54:13 Z ByeWorld Balloons (CEOI11_bal) C++14
20 / 100
 2000 ms 5160 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3", "unroll-loops")
#define ll long long
// #define int long long
#define pb push_back
#define fi first
#define se second
#define lf (id<<1)
#define rg ((id<<1)|1)
#define md ((l+r)/2)
#define ld long double
using namespace std;
typedef pair<int,int> pii;
typedef pair<pii, int> ipii;
const int MAXN = 3e5+10;
const int MAXA = 1e6+10;
const int INF = 1e9+10;
// const int INF2 = 1e18+10;
const int LOG = 19;
const int MOD = 1e9+7;
const int SQRT = 450;
const vector<int> NOL = {};
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const vector<int> dx = {1, -1, 0, 0};
const vector<int> dy = {0, 0, 1, -1};
void chmn(ld &a, ld b){ a = min(a, b); }
void chmx(ld &a, ld b){ a = max(a, b); }

int n;
int x[MAXN], mx[MAXN];
ld r[MAXN];

signed main(){
    cin >> n;
    for(int i=1; i<=n; i++){
        cin >> x[i] >> mx[i];
    }
    r[1] = mx[1];
    for(int i=2; i<=n; i++){
        ld mn = INF;
        for(int j=1; j<=i-1; j++){
            ld te = (x[j]-x[i])*(x[j]-x[i]) / (4*r[j]);
            chmn(mn, te);
        }
        r[i] = min(mn, (ld)mx[i]);
    }
    for(int i=1; i<=n; i++) cout << fixed << setprecision(3) << r[i] << '\n';
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 444 KB 10 numbers

Subtask #2
0 / 10.0

# Verdict Execution time Memory 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 -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 344 KB 505 numbers

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 13 ms 348 KB 216th numbers differ - expected: '204.7450000000', found: '-4362157.0549999997', error = '4362361.7999999998'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1127 ms 1372 KB 203rd numbers differ - expected: '482.0130000000', found: '-2497845.7940000002', error = '2498327.8070000000'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2005 ms 1724 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2056 ms 3080 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2054 ms 3336 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2028 ms 4320 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2005 ms 5160 KB Time limit exceeded
2 Halted 0 ms 0 KB -