Submission #72209

#	Time	Username	Problem	Language	Result	Execution time	Memory
72209		BBBSNG (#118)	Key of Impassable Doors (FXCUP3_key)	C++17	23 / 100	10 ms	2156 KiB

key

#include "key.h"
#include <bits/stdc++.h>

using namespace std;
typedef pair<int, int> pii;

bool ans[1005][1005];
int num[1005];

void EnsureKeyInfo(int N) {
    for(int i = 1; i <= N; i++) {
        TakeKey(i);
        num[i] = Explore();
    }
    for(int i = 1; i <= N; i++) {
        ans[i][i] = 1;
        for(int j = i + 1; j <= N; j++) {
            TakeKey(i); TakeKey(j);
            
            int tmp = Explore();
            if(tmp == num[i]) ans[i][j] = true;
            if(tmp == num[j]) ans[j][i] = true;
        }
    }
    for(int i = 1; i <= N; i++) {
        for(int j = 1; j <= N; j++) {
            if(ans[i][j]) Report(i, j);
        }
    }
}

• Subtask 1: 23 / 23
• Subtask 2: 0 / 34
• Subtask 3: 0 / 43