Submission #772819

#	Time	Username	Problem	Language	Result	Execution time	Memory
772819		Magikarp4000	Prisoner Challenge (IOI22_prison)	C++17	36.50 / 100	16 ms	1572 KiB

prison

#include "prison.h"
#include <bits/stdc++.h>
using namespace std;
#define OPTM ios_base::sync_with_stdio(0); cin.tie(0);
#define INF int(1e9+7)
#define ln '\n' 
#define ll long long
#define ull unsigned long long
#define ui unsigned int
#define us unsigned short
#define FOR(i,s,n) for (int i = s; i < n; i++)
#define FORR(i,n,s) for (int i = n; i > s; i--)
#define FORX(u, arr) for (auto u : arr)
#define PB push_back
#define in(v,x) (v.find(x) != v.end())
#define F first
#define S second
#define PII pair<int, int>
#define PLL pair<ll, ll>
#define UM unordered_map
#define US unordered_set
#define PQ priority_queue
#define ALL(v) v.begin(), v.end()
const ll LLINF = 1e18+1;

const int MAXM = 39, LOG = 12;

std::vector<std::vector<int>> devise_strategy(int n) {
    vector<vector<int>> v(MAXM+1,vector<int>(n+1,0));
    FOR(i,0,LOG+1) {
        FOR(j,1,n+1) {
            v[i][j] = (j&(1<<(LOG-i))) ? i*2+1+LOG : i*2+2+LOG;
        }
    }
    FOR(i,LOG+1,MAXM+1) {
        v[i][0] = 1;
        int pos = LOG-(i-LOG-1)/2, val = (i-LOG)%2;
        FOR(j,1,n+1) {
            int cur = j&(1<<pos);
            if (cur && !val) v[i][j] = -1;
            else if (!cur && val) v[i][j] = -2;
            else v[i][j] = LOG-(pos-1);
        }
    }
    // FOR(i,0,MAXM+1) {
    //     FOR(j,0,n+1) cout << v[i][j] << " ";
    //     cout << ln;
    // }
    return v;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 26.5 / 90