oj.uz

Submission #921606

# Submission time Handle Problem Language Result Execution time Memory
921606 2024-02-04T07:58:17 Z vjudge1 Lightning Rod (NOI18_lightningrod) C++17
0 / 100
 790 ms 262144 KB 
#include <bits/stdc++.h>
#include <iomanip>
#define ll long long
//#define int long long
#define pb push_back
#define F first
#define S second
#define st string
#define pii pair<int,int>
#define sz(x) x.size()
#define all(x) x.begin(), x.end()
#define vi vector<int>
#define mii map<int,int>
#define mll map<ll,ll>
#define YES cout<<"YES\n";
#define NO cout<<"NO\n";
#define yes cout<<"Yes\n";
#define no cout<<"No\n";
#define lf else if 
using namespace std;
signed main(){
    ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
    //srand( time(0));
    //freopen("sum.in", "r", stdin);
    //freopen("sum.out", "w", stdout);
    ll tests=1;
    //cin>>tests;
    for(ll i=1;i<=tests;i++)
    {
        //cout<<"Case "<<i<<":\n";
        ll n;
        cin>>n;
        pair <ll,ll> v[n];
        multiset <pair<ll,ll> > s; 
        for(ll i=0;i<n;i++)
        {
            cin>>v[i].S>>v[i].F;
            s.insert({v[i].F,v[i].S});
        }
        ll ans=n,an=n;
        for(ll i=0;i<n;i++)
        {
            for(ll j=i+1;j<n;j++)
            {
                if(abs(v[j].S-v[i].S)<=v[j].F-v[i].F)ans--;
            }
        }
        for(ll i=n;i>=0;i--)
        {
            for(ll j=i-1;j>=0;j--)
            {
                if(abs(v[i].S-v[j].S)<=v[i].F-v[j].F)an--;
            }
        }
        cout<<min(ans,an);
    }
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Runtime error 790 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 471 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 790 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -