oj.uz

Submission #872708

# Submission time Handle Problem Language Result Execution time Memory
872708 2023-11-13T15:22:32 Z 8pete8 Balloons (CEOI11_bal) C++14
10 / 100
 141 ms 11524 KB 
#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include<cmath>
#include<set>
#include<algorithm>
#include<bitset>
#include <iomanip>  
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<pii,pii>
#define vi vector<int>
#define pb push_back
//#define p push
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
using namespace std;
#define int long long
#define double long double
const int mxn=1e5,inf=1e18;
double cal(int x,int r){return (double)(((x*x)*1.0)/(4*r*1.0));}
deque<int>dq;
int32_t main(){
    fastio
    int n;cin>>n;
    vector<pair<int,double>>v(n);
    vector<double>sz(n,0);
    for(int i=0;i<n;i++)cin>>v[i].f>>v[i].s;
    for(int i=0;i<n;i++){
        if(dq.empty()){
            sz[i]=v[i].s;
            dq.push_back(i);
            continue;
        }
        while(dq.size()>1&&cal(v[i].f-v[dq.size()-1].f,sz[dq.size()-1])>cal(v[i].f-v[dq.size()-2].f,sz[dq.size()-2]))dq.pop_back();
        sz[i]=min(v[i].s,cal(v[i].f-v[dq.size()-1].f,sz[dq.size()-1]));
        while(!dq.empty()&&(sz[i]>sz[dq.back()]))dq.pop_back();
        dq.push_back(i);
    }
    cout<<setprecision(3)<<fixed;
    for(auto i:sz)cout<<i<<'\n';
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB 4th numbers differ - expected: '1.8420000000', found: '87.0000000000', error = '85.1580000000'
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 344 KB 7th numbers differ - expected: '0.0010000000', found: '9.0000000000', error = '8.9990000000'
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 14 ms 1560 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 36 ms 3164 KB 251st numbers differ - expected: '15123.0020000000', found: '18307.0000000000', error = '3183.9980000000'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 73 ms 5968 KB 163rd numbers differ - expected: '7762.0000000000', found: '14571.0000000000', error = '6809.0000000000'
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 84 ms 6844 KB 511th numbers differ - expected: '4494.0050000000', found: '13465.0000000000', error = '8970.9950000000'
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 112 ms 8892 KB 162nd numbers differ - expected: '1700.0010000000', found: '4036.0000000000', error = '2335.9990000000'
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 141 ms 11524 KB 249th numbers differ - expected: '2683.0090000000', found: '8658.0000000000', error = '5974.9910000000'
2 Halted 0 ms 0 KB -