Submission #971761

#	Time	Username	Problem	Language	Result	Execution time	Memory
971761		idas	The Collection Game (BOI21_swaps)	C++17	50 / 100	369 ms	1904 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>

using namespace std;

#include "swaps.h"
#define FOR(i, begin, end) for(int i=(begin); i<(end); i++)
#define sz(x) int((x).size())
#define pb push_back
#define s second
#define f first

typedef vector<int> vi;
typedef pair<int, int> pii;

void solve(int n, int v)
{
    vi a(n); FOR(i, 0, n) a[i]=i+1;

    FOR(i, 0, v)
    {
        if(i&1){
            for(int i=1; i+1<n; i+=2){
                schedule(a[i], a[i+1]);
            }
            vi get=visit();
            for(int i=1; i+1<n; i+=2){
                int in=(i-1)/2;
                if(get[in]==0){
                    swap(a[i], a[i+1]);
                }
            }
        }
        else{
            for(int i=0; i<n; i+=2){
                schedule(a[i], a[i+1]);
            }
            vi get=visit();
            for(int i=0; i<n; i+=2){
                int in=i/2;
                if(get[in]==0){
                    swap(a[i], a[i+1]);
                }
            }
        }
    }

    answer(a);
}

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