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Submission #312522

# Submission time Handle Problem Language Result Execution time Memory
312522 2020-10-13T16:12:03 Z mohamedsobhi777 Mouse (info1cup19_mouse) C++14
35.3333 / 100
 3000 ms 256 KB 
#include "grader.h"
#include<bits/stdc++.h>
using namespace std ; 
int n, num ;
vector<int> per, ans ; 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

vector<int> indi ; 

void del(int x){
        for(int i = 0 ;i < (int) indi.size() ; ++ i){
                if(indi[i] == x){
                        indi.erase(indi.begin() + i , indi.begin() + i + 1) ; 
                        return ; 
                }
        }
}

void print(){
        for(int i = 0 ;i < n; ++ i)
                cout<< ans[i] <<" " ;
        cout<<".\n" ; 
}

void solve(int n){ 

        for(int i = 1;i <= n ; ++ i){
                ans.push_back(i) ; 
        }
        for(int i = 0 ;i < n; ++ i){
                indi.push_back(i) ; 
        }
        for(int i = 0 ;i < n; ++ i){
        //        int x ; cin >> x ;
        //        per.push_back(x) ; 
        }       

        random_shuffle(ans.begin() , ans.end() ) ; 
        int tim = 0 ; 
        int las = 0 ; 
        las = query(ans) ; 
        
        while(tim ++ < 1000000){
                int sz = (int) indi.size() ; 
                int x = rng() % sz ; 
                int y = rng() % sz ; 
                x = indi[x] ; 
                y = indi[y] ; 
                if(x == y)continue ; 
                swap(ans[x],ans[y]) ; 
                int now = query(ans) ; 
                if( abs(now - las) == 2){
                        del(x) ; del(y) ; 
                }

                if(now < las)swap(ans[x],ans[y]) ;
                las = max(las , now) ; 
                if(now == n)
                        break ;
        }
        return ; 
        if(las == n)
                cout<<"ok " ; 
        else {
                for(auto u : ans)cout<< u <<" " ; 
                        cout<<"incorrect " ; 
        }
        return ; 
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Correct! Number of queries: 12
2 Correct 1 ms 256 KB Correct! Number of queries: 5
3 Correct 1 ms 256 KB Correct! Number of queries: 14
4 Correct 1 ms 256 KB Correct! Number of queries: 20
5 Correct 1 ms 256 KB Correct! Number of queries: 34
6 Correct 0 ms 256 KB Correct! Number of queries: 11

Subtask #2
22.333322 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Correct! Number of queries: 12
2 Correct 1 ms 256 KB Correct! Number of queries: 5
3 Correct 1 ms 256 KB Correct! Number of queries: 14
4 Correct 1 ms 256 KB Correct! Number of queries: 20
5 Correct 1 ms 256 KB Correct! Number of queries: 34
6 Correct 0 ms 256 KB Correct! Number of queries: 11
7 Correct 20 ms 256 KB Correct! Number of queries: 1000
8 Correct 16 ms 256 KB Correct! Number of queries: 1200
9 Correct 8 ms 256 KB Correct! Number of queries: 600
10 Correct 12 ms 256 KB Correct! Number of queries: 900
11 Correct 9 ms 256 KB Correct! Number of queries: 700
12 Correct 11 ms 256 KB Correct! Number of queries: 700
13 Correct 11 ms 256 KB Correct! Number of queries: 700
14 Correct 12 ms 256 KB Correct! Number of queries: 900
15 Correct 13 ms 256 KB Correct! Number of queries: 900
16 Correct 10 ms 256 KB Correct! Number of queries: 800

Subtask #3
0.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Correct! Number of queries: 12
2 Correct 1 ms 256 KB Correct! Number of queries: 5
3 Correct 1 ms 256 KB Correct! Number of queries: 14
4 Correct 1 ms 256 KB Correct! Number of queries: 20
5 Correct 1 ms 256 KB Correct! Number of queries: 34
6 Correct 0 ms 256 KB Correct! Number of queries: 11
7 Correct 20 ms 256 KB Correct! Number of queries: 1000
8 Correct 16 ms 256 KB Correct! Number of queries: 1200
9 Correct 8 ms 256 KB Correct! Number of queries: 600
10 Correct 12 ms 256 KB Correct! Number of queries: 900
11 Correct 9 ms 256 KB Correct! Number of queries: 700
12 Correct 11 ms 256 KB Correct! Number of queries: 700
13 Correct 11 ms 256 KB Correct! Number of queries: 700
14 Correct 12 ms 256 KB Correct! Number of queries: 900
15 Correct 13 ms 256 KB Correct! Number of queries: 900
16 Correct 10 ms 256 KB Correct! Number of queries: 800
17 Execution timed out 3005 ms 256 KB Time limit exceeded
18 Halted 0 ms 0 KB -