Submission #1056225

#	Time	Username	Problem	Language	Result	Execution time	Memory
1056225		epicci23	Prisoner Challenge (IOI22_prison)	C++17	Compilation error	0 ms	0 KiB

prison

#include "bits/stdc++.h"
#include "prison.h"
#define all(v) v.begin() , v.end()
#define sz(a) (int)a.size()
using namespace std;



vector<vector<int>> devise_strategy(int N) {
  vector<vector<int> v(27,vector<int>(N+1));
  v[0][0]=0;
  for(int i=1;i<=N;i++) v[0][i]=1+(a>>12);
  for(int i=1;i<=26;i++){
  	if((i-1)%4<=1) v[i][0]=1;
  	else v[i][0]=0;
  } 
  for(int j=12;j>=1;j--){
    for(int i=1;i<=N;i++){
      int xd=i>>j&1;
      int xd2=!((i>>(j-1))&1);
      if(xd){
        v[(13-j)*2][i]=(14-j)*2-xd2;
        v[(13-j)*2-1][i]=-1;
      }
      else{
        v[(13-j)*2][i]=-2;
        v[(13-j)*2-1][i]=(14-j)*2-xd2;
      }
    }
  }

  for(int i=1;i<=N;i++){
  	if(i&1) v[25][i]=-1;
  	else v[25][i]=0;
  	if(i&1) v[26][i]=0;
  	else v[26][i]=-2;
  }

  return v;
}

/*void _(){
	
}

int32_t main(){
  cin.tie(0); ios::sync_with_stdio(0);
  int tc=1;//cin >> tc;
  while(tc--) _();
  return 0;
}*/

Compilation message (stderr)

prison.cpp: In function 'std::vector<std::vector<int> > devise_strategy(int)':
prison.cpp:10:43: error: template argument 1 is invalid
   10 |   vector<vector<int> v(27,vector<int>(N+1));
      |                                           ^
prison.cpp:10:43: error: template argument 2 is invalid
prison.cpp:11:3: error: 'v' was not declared in this scope
   11 |   v[0][0]=0;
      |   ^
prison.cpp:12:36: error: 'a' was not declared in this scope
   12 |   for(int i=1;i<=N;i++) v[0][i]=1+(a>>12);
      |                                    ^