Submission #1224495

#	Time	Username	Problem	Language	Result	Execution time	Memory
1224495		asli_bg	Light Bulbs (EGOI24_lightbulbs)	C++20	Compilation error	0 ms	0 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define int long long

#define fi first
#define se second
#define pb push_back
#define sp <<' '<<

#define FOR(i,a) for(int i=0;i<(a);i++)
#define FORE(i,a,b) for(int i=(a);i<(b);i++)

#define cont(x) for(auto el:x) cout<<el<<endl;
#define contp(x) for(auto el:x) cout<<el.fi<<'-'<<el.se<<' ';cout<<endl;
#define DEBUG(x) cout<<#x sp x<<endl;

typedef vector<int> vi;
typedef pair<int,int> pii;
typedef vector<pii> vii;

signed main(){
    //ios_base::sync_with_stdio(false);
    //cin.tie(0);cout.tie(0);


    int n;
    cin>>n

    vector<string> grid(n);
    vector<string> res(n);

    vector<string> cev(n);

    FOR(i,n){
        FOR(j,n){
            grid[i]+='0';
            res[i]+='H';
            cev[i]+='0';
        }
    }

    int ans;

    bool f=false;

    FOR(i,n){
        FOR(j,n){
            grid[i][j]='1';
        }

        cout<<'?'<<endl;
        FOR(i,n) cout<<grid[i]<<endl;

        cin>>ans;
        int once=ans;

        if(ans!=n){
            ans-=n;
            int vert=ans/(n-1); //kaç tanesi vertical
            int hort=n-vert;

            if(vert==n){
                FOR(j,n) cev[i][j]='1';
                f=true;
                break;
            }

            FOR(j,n){
                if(vert==0) break;
                if(hort==0){
                    res[i][j]='V';
                    continue;
                }

                grid[i][j]='0';

                cout<<'?'<<endl;
                FOR(i,n) cout<<grid[i]<<endl;

                cin>>ans;

                if(ans==once-(n-1)){
                    //this cell is vertical
                    res[i][j]='V';
                    vert--;
                }
                else hort--;
                
                grid[i][j]='1';
            }
        }
        //else all horizontal

        FOR(j,n){
            grid[i][j]='0';
        }
    }

    if(!f){
        FOR(i,n){
            FOR(j,n){
                if(res[i][j]=='H'){
                    cev[i][j]='1';
                    break;
                }
            }
        }
    }

    cout<<"!"<<endl;
    FOR(i,n) cout<<cev[i]<<endl;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:28:11: error: expected ';' before 'vector'
   28 |     cin>>n
      |           ^
      |           ;
   29 | 
   30 |     vector<string> grid(n);
      |     ~~~~~~ 
Main.cpp:37:13: error: 'grid' was not declared in this scope
   37 |             grid[i]+='0';
      |             ^~~~
Main.cpp:49:13: error: 'grid' was not declared in this scope
   49 |             grid[i][j]='1';
      |             ^~~~
Main.cpp:53:24: error: 'grid' was not declared in this scope
   53 |         FOR(i,n) cout<<grid[i]<<endl;
      |                        ^~~~
Main.cpp:76:17: error: 'grid' was not declared in this scope
   76 |                 grid[i][j]='0';
      |                 ^~~~
Main.cpp:96:13: error: 'grid' was not declared in this scope
   96 |             grid[i][j]='0';
      |             ^~~~