Submission #859462

#	Time	Username	Problem	Language	Result	Execution time	Memory
859462		thinknoexit	Prisoner Challenge (IOI22_prison)	C++17	0 / 100	1 ms	348 KiB

prison

#include <bits/stdc++.h>
//#include "prison.h"
using namespace std;
using ll = long long;

vector<vector<int>> devise_strategy(int n) {
    vector<vector<int>> ans(40, vector<int>(n + 1));
    ans[0][0] = 1;
    for (int i = 1;i <= n;i++) {
        ans[0][i] = 39;
    }
    for (int i = 1;i <= 13;i++) {
        int a = i;
        ans[i][0] = 2;
        for (int j = 1;j <= n;j++) {
            if (!(j & (1 << (a - 1)))) ans[i][j] = -2;
            else ans[i][j] = 26 + a - 1;
        }
    }
    for (int i = 14;i <= 26;i++) {
        int a = i - 13;
        ans[i][0] = 2;
        for (int j = 1;j <= n;j++) {
            if (j & (1 << (a - 1))) ans[i][j] = -1;
            else ans[i][j] = 26 + a - 1;
        }
    }
    for (int i = 27;i <= 39;i++) {
        int a = i - 26;
        ans[i][0] = 1;
        for (int j = 1;j <= n;j++) {
            if (j & (1 << (a - 1))) ans[i][j] = a;
            else ans[i][j] = 13 + a;
        }
    }
    return ans;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 90