Submission #1081538

#	Time	Username	Problem	Language	Result	Execution time	Memory
1081538		farica	Prisoner Challenge (IOI22_prison)	C++17	Compilation error	0 ms	0 KiB

prison

#include "prison.h"

#include <bits/stdc++.h>

using namespace std;

std::vector<std::vector<int>> devise_strategy(int N) {
    vector<vector<int>>ans(25, vector<int>(N+1, 0));
    for(int i=0; i<25; ++i) {
        s[i][0] = i%2;
        for(int j=1; j<=N; ++j) {
            if(i > 12) {
                int bit = i - 12;
                if((1LL<<bit) & j) {
                    --bit;
                    if(!bit) {
                        if(j%2) s[i][j] = -(i%2);
                        else s[i][j] = -((i+1)%2);
                    } else {
                        if((1LL<<bit) & j) s[i][j] = bit + 12;
                        else s[i][j] = bit;
                    }
                } else s[i][j] = -((i+1)%2);
            } else {
                if((1LL<<i) & j) s[i][j] = -(i%2);
                else {
                    int bit = i - 1;
                    if(!bit) {
                        if(j%2) s[i][j] = -(i%2);
                        else s[i][j] = -((i+1)%2);
                    } else {
                        if((1LL<<bit) & j) s[i][j] = bit + 12;
                        else s[i][j] = bit;
                    }
                }
            }
        }
    }

    return ans;
}

Compilation message (stderr)

prison.cpp: In function 'std::vector<std::vector<int> > devise_strategy(int)':
prison.cpp:10:9: error: 's' was not declared in this scope
   10 |         s[i][0] = i%2;
      |         ^