Submission #564458

#	Time	Username	Problem	Language	Result	Execution time	Memory
564458		Majid	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++17	Compilation error	0 ms	0 KiB

encoder

#include<bits/stdc++.h>
using namespace std;
 
//Types
using ll = long long;
using db = double;
 
//Vectors
#define pb push_back
#define sz(vec) ((ll)vec.size())
#define all(vec) vec.begin(), vec.end()
 
//things
#define f first
#define s second
const int SMALLINF = 1e9 + 7;
const ll BIGINF = ((ll)1e18) + 7;
#define Speeed ios::sync_with_stdio(0);cin.tie(NULL); cout.tie(NULL);

ll encode(ll n, ll x, ll y){
	
        string ans;
        ll mx = 0, cnt = 0;
        
        while(x){
            
            ans = (char)(x%2+'0') + ans;
            x/=2;
        }
        
        for(ll i = 0; i < sz(ans); i++){
            
            mx = max(mx, cnt);
            if(ans[i]=='1')cnt++;
            else{
                
                mx = max(mx, cnt);
                cnt = 0;
            }
        }
        
        mx = max(mx, cnt);
        
        return __builtin_popcount(x) + mx;
}

decoder

#include<bits/stdc++.h>
using namespace std;
 
//Types
using ll = long long;
using db = double;
 
//Vectors
#define pb push_back
#define sz(vec) ((ll)vec.size())
#define all(vec) vec.begin(), vec.end()
 
//things
#define f first
#define s second
const int SMALLINF = 1e9 + 7;
const ll BIGINF = ((ll)1e18) + 7;
#define Speeed ios::sync_with_stdio(0);cin.tie(NULL); cout.tie(NULL);

ll decode(ll n, ll q, ll h){
	
    string ans;
    ll mx = 0, cnt = 0;
    
    while(q){
        
        ans = (char)(q%2+'0') + ans;
        q/=2;
    }
    
    for(ll i = 0; i < sz(ans); i++){
        
        mx = max(mx, cnt);
        if(ans[i]=='1')cnt++;
        else{
            
            mx = max(mx, cnt);
            cnt = 0;
        }
    }
    
    return (__builtin_popcount(x) + mx == h);

}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccVRSgbV.o: in function `main':
grader_encode.c:(.text.startup+0x129): undefined reference to `encode(int, int, int)'
collect2: error: ld returned 1 exit status

decoder.cpp: In function 'll decode(ll, ll, ll)':
decoder.cpp:42:32: error: 'x' was not declared in this scope; did you mean 'mx'?
   42 |     return (__builtin_popcount(x) + mx == h);
      |                                ^
      |                                mx