Submission #1273519

#	Time	Username	Problem	Language	Result	Execution time	Memory
1273519		KindaGoodGames	The Collection Game (BOI21_swaps)	C++20	27 / 100	480 ms	636 KiB

swaps

//
// --- Sample implementation for the task swaps ---
//
// To compile this program with the sample grader, place:
//     swaps.h swaps_sample.cpp sample_grader.cpp
// in a single folder and run:
//     g++ swaps_sample.cpp sample_grader.cpp
// in this folder.
//
#include "swaps.h"
#include<bits/stdc++.h>

using namespace std;
#define pii pair<int,int>

void solve(int n, int V) {
    vector<vector<bool>> adj(n, vector<bool>(n));
    vector<int> in(n);
 
    int cnt = 0;
    int mx = (n*(n-1))/2;
    while(cnt < mx){
        vector<pii> comps;
        set<int> occ;
         
        for(int i = 0; i < n; i++){
            if(occ.count(i)) continue;
            for(int j = 0; j < n; j++){
                if(j == i || occ.count(j) ||adj[i][j]) continue;
                adj[i][j] = true;
                adj[j][i] = true;
                cnt++;
                comps.push_back({i,j});
                occ.insert(i);
                occ.insert(j);
                schedule(i+1,j+1);
                break;
            }
        }

        vector<int> r = visit();
        for(int i = 0; i < r.size(); i++){ 
            if(r[i] == 1){ 
                in[comps[i].second]++;
            }else{ 
                in[comps[i].first]++;
            }
        }
    }  
    
    vector<int> ans(n);
    for(int i = 0; i < n; i++){
        ans[in[i]] = i+1;
    }
    answer(ans);
}

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3-1: 3 / 3
• Subtask 3-2: 0 / 2
• Subtask 4-1: 9 / 9
• Subtask 4-2: 0 / 6
• Subtask 5-1: 0 / 9
• Subtask 5-2: 0 / 6
• Subtask 6-1: 0 / 21
• Subtask 6-2: 0 / 14
• Subtask 7-1: 0 / 9
• Subtask 7-2: 0 / 6