Submission #1260939

#	Time	Username	Problem	Language	Result	Execution time	Memory
1260939		user736482	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++20	Compilation error	0 ms	0 KiB

encoder

    #pragma GCC optimize("O3")
    #include <bits/stdc++.h>
    using namespace std;
    #define ll long long
    #define ld long double
    #define pb push_back
    #define ff first
    #define ss second
    #define MOD 1000000007
    #define INF 1000000019
    #define POT (1<<20)
    #define INFL 1000000000000000099
    ll a,b,c,n,t;
    vector<vector<ll>>gen(){
        for(ll i=0;i<(1<<12);i++){
            vector<ll>x;
            ll d=0;
            for(ll j=0;j<12;j++){
                x.pb((bool)((1<<j) & i));
                d+=x.back();
            }
            if(d==6)v.pb(x);
        }
        return v;
    }
    vector<vector<ll>>v=gen();
        
    int encode(int n,int a,int b){
        
        for(ll i=0;i<12;i++){
            if(v[a][i]==1 && v[b][i]==0)return a;
        }
    }
    int decode(int n,int a,int b){


        return v[a][b];
    }

decoder

    #pragma GCC optimize("O3")
    #include <bits/stdc++.h>
    using namespace std;
    #define ll long long
    #define ld long double
    #define pb push_back
    #define ff first
    #define ss second
    #define MOD 1000000007
    #define INF 1000000019
    #define POT (1<<20)
    #define INFL 1000000000000000099
    ll a,b,c,n,t;
    vector<vector<ll>>gen(){
      vector<vector<ll>>vv;
        for(ll i=0;i<(1<<12);i++){
            vector<ll>x;
            ll d=0;
            for(ll j=0;j<12;j++){
                x.pb((bool)((1<<j) & i));
                d+=x.back();
            }
            if(d==6)vv.pb(x);
        }
        return vv;
    }
    vector<vector<ll>>v=gen();
        
    int encode(int n,int a,int b){
        
        for(ll i=0;i<12;i++){
            if(v[a][i]==1 && v[b][i]==0)return a;
        }
    }
    int decode(int n,int a,int b){


        return v[a][b];
    }

Compilation message (stderr)

# 1번째 컴파일 단계

encoder.cpp: In function 'std::vector<std::vector<long long int> > gen()':
encoder.cpp:22:21: error: 'v' was not declared in this scope
   22 |             if(d==6)v.pb(x);
      |                     ^
encoder.cpp:24:16: error: 'v' was not declared in this scope
   24 |         return v;
      |                ^
encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:33:5: warning: control reaches end of non-void function [-Wreturn-type]
   33 |     }
      |     ^