Submission #575821

#	Time	Username	Problem	Language	Result	Execution time	Memory
575821		CSQ31	The Collection Game (BOI21_swaps)	C++17	50 / 100	58 ms	532 KiB

swaps

#include "swaps.h"
#include <bits/stdc++.h>
#define sz(a) (int)(a.size())
using namespace std;
void solve(int n,int V){
	vector<int>ans;
	for(int i=1;i<=n;i++)ans.push_back(i);
	for(int i=0;i<n;i++){
		int c = 0;
		if(i&1){
			for(int j=0;j+1<n;j+=2)schedule(ans[j],ans[j+1]);
			vector<int>res = visit();
			for(int j=0;j+1<n;j+=2){
				if(res[c])swap(ans[j],ans[j+1]);
				c++;
			}
		}else{
			for(int j=1;j+1<n;j+=2)schedule(ans[j],ans[j+1]);
			vector<int>res = visit();
			for(int j=1;j+1<n;j+=2){
				if(res[c])swap(ans[j],ans[j+1]);
				c++;
			}
		}
	}
	reverse(ans.begin(),ans.end());
	answer(ans);
}

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 3 / 3
• Subtask 4: 2 / 2
• Subtask 5: 9 / 9
• Subtask 6: 6 / 6
• Subtask 7: 9 / 9
• Subtask 8: 6 / 6
• Subtask 9: 0 / 21
• Subtask 10: 0 / 14
• Subtask 11: 0 / 9
• Subtask 12: 0 / 6