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Submission #1035064

# Submission time Handle Problem Language Result Execution time Memory
1035064 2024-07-26T03:41:55 Z irmuun Radio Towers (IOI22_towers) C++17
0 / 100
 4000 ms 2768 KB 
#include<bits/stdc++.h>
#include "towers.h"

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

int n;
vector<int>h;
vector<pair<int,int>>v;
vector<bool>used;

void init(int N,vector<int>H){
    n=N; h=H;
    used.resize(n);
    for(int i=0;i<n;i++){
        v.pb({H[i],i});
    }
    sort(all(h));
}
int max_towers(int L,int R,int D){
    fill(all(used),0);
    int ans=0;
    for(auto [x,i]:v){
        if(x<L||x>R) continue;
        bool add=true;
        int mx=0;
        for(int j=i-1;j>=L;j--){
            if(used[j]){
                if(mx<x+D){
                    add=false;
                }
            }
            mx=max(mx,h[j]);
        }
        mx=0;
        for(int j=i+1;j<=R;j++){
            if(used[j]){
                if(mx<x+D){
                    add=false;
                }
            }
            mx=max(mx,h[j]);
        }
        if(add){
            ans++;
            used[i]=true;
        }
    }
    return ans;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4005 ms 1748 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB 1st lines differ - on the 1st token, expected: '13', found: '0'
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB 1st lines differ - on the 1st token, expected: '13', found: '0'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4016 ms 2768 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 1633 ms 1112 KB 1st lines differ - on the 1st token, expected: '7197', found: '1'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB 1st lines differ - on the 1st token, expected: '13', found: '0'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4005 ms 1748 KB Time limit exceeded
2 Halted 0 ms 0 KB -