Submission #730297

#	Time	Username	Problem	Language	Result	Execution time	Memory
730297		ismayil	Prisoner Challenge (IOI22_prison)	C++17	Compilation error	0 ms	0 KiB

prison

#pragma GCC target ("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
#define endl '\n'
using namespace std;
vector<vector<int>> devise_strategy(int N) {
	vector<vector<int>> s(27, vector<int>(N + 1, 0));
	for(int i = 0; i <= 26; i++){
		int d = i / 2;
		int bit = i % 2;
		if(d % 2 == 0) s[i][0] = 0;
		else s[i][0] = 1;
		for(int j = 1; j <= N; j++){
			int _bit = (j & (1<<(12 - d)));
			if(bit < _bit){
				if(d % 2 == 0) s[i][j] = -2;
				else s[i][j] = -1;
			}else if(bit > _bit){
				if(d % 2 == 0) s[i][j] = -1;
				else s[i][j] = -2;
			}else if(d == 13){
                s[i][j] = -2;
            }else{
				s[i][j] = (d + 1) * 2 + (j & (1<<(11 - d)));
			}
		}
	}
	return s;
}
void solve(){
    vector<vector<int>> v = devise_strategy(2);
    for(auto i : v){
        for(auto j : i){
            cout << j << " ";
        }
        cout << endl;
    }
}
signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    //freopen("output.txt", "w", stdout);
    int t = 1;
    //cin >> t;
    for(int i = 1; i <= t; i++){
        //printf("Case #%d: ", i);
        solve();
    }
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cceXYi6y.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccWzVg4x.o:prison.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status