Submission #347059

#	Time	Username	Problem	Language	Result	Execution time	Memory
347059		ACmachine	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++17	Compilation error	0 ms	0 KiB

encoder

int sets[921];
    
int encode (int n, int x, int y) {
    int id = 1;
    if(id == 1){
        for(int i = 0; i < 12; ++i){
            for(int j = i + 1; j < 12; ++j){
                for(int k = j + 1; k < 12; ++k){
                    for(int g = k + 1; g < 12; ++g){
                        for(int l = g + 1; l < 12; ++l){
                            for(int m = l + 1; m < 12; ++m){
                                sets[id++] = (1 << i) | (1 << j) | (1 << k) | (1 << g) | (1 << l) | (1 << m);
                            }
                        }
                    }
                }
            }
        }
    }
    return __lg(sets[x]&~sets[y]) + 1; 
}

decoder

int sets[921];    
int decode (int n, int q, int h) {
    int id = 1;
    if(id == 1){
        for(int i = 0; i < 12; ++i){
            for(int j = i + 1; j < 12; ++j){
                for(int k = j + 1; k < 12; ++k){
                    for(int g = k + 1; g < 12; ++g){
                        for(int l = g + 1; l < 12; ++l){
                            for(int m = l + 1; m < 12; ++m){
                                sets[id++] = (1 << i) | (1 << j) | (1 << k) | (1 << g) | (1 << l) | (1 << m);
                            }
                        }
                    }
                }
            }
        }
    }
    return (sets[q] &(1 << (h-1)));
}

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:20:12: error: '__lg' was not declared in this scope
   20 |     return __lg(sets[x]&~sets[y]) + 1;
      |            ^~~~