Submission #1366353

#	Time	Username	Problem	Language	Result	Execution time	Memory
1366353		enzy	The Collection Game (BOI21_swaps)	C++20	21 / 100	15 ms	448 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<bits/stdc++.h>
#include "swaps.h"
#define pii pair<int,int>
#define fi first
#define se second
using namespace std;

void solve(int n, int Q){
    vector<pii>v[2];
    vector<int>val;
    for(int i=1;i<=n;i++) val.push_back(i);
    for(int i=n;i-1>0;i-=2) v[0].push_back({i-1,i});
    for(int i=n-1;i-1>0;i-=2) v[1].push_back({i-1,i});
    for(int i=1;i<=500;i++){
        for(pii p : v[i%2]) schedule(p.fi,p.se);
        vector<int>a=visit();
        for(int j=0;j<a.size();j++){
            if(!a[j]) swap(val[v[i%2][j].fi],val[v[i%2][j].se]);
        }
    }
    answer(val);
}

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