제출 #950817

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
950817	2024-03-20 18:14:28	Dec0Dedd	죄수들의 도전 (IOI22_prison)	C++17	56 / 100	14 ms	1300 KiB

prison

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#include <bits/stdc++.h>
#include "prison.h"
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int K = 13;
vector<vector<int>> devise_strategy(int n) {
    vector<vector<int>> res(2*K+1, vector<int>(n+1, 0));
    // 2*i+1 - ith bit set
    // 2*i+2 - ith bit not set
    // for i=0, 2, 4, ... we check in A
    // for i=1, 3, 5, ... we check in B
    res[0][0]=(K-1)%2;
    for (int i=1; i<=n; ++i) {
        int x=K-1;
        if (i&(1<<x)) res[0][i]=2*x+1;
        else res[0][i]=2*x+2;
    }
    for (int i=0; i<K; ++i) {
        int s=2*i+1;
        if (i%2 == 0) {
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 46 / 90