Submission #347042

#	Time	Username	Problem	Language	Result	Execution time	Memory
347042		ACmachine	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++17	0 / 100	0 ms	872 KiB

encoder

int encode (int n, int x, int y) {
    int res;
    if(x > y){
        for(int j = 0; j < 12; ++j){
            if((x & (1 << j))&&!(y & (1 << j))){
                res = j;
                break;
            }
        }
    }
    else{
        for(int j = 0; j < 12; ++j){
            if(!(x & (1 << j)) && (y & (1 << j))){
                res = j;
                break;
            }
        }
    }
    return res;
}

decoder

int decode (int n, int q, int h) {
    return (q & (1 << h));
}

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:19:12: warning: 'res' may be used uninitialized in this function [-Wmaybe-uninitialized]
   19 |     return res;
      |            ^~~

• Subtask 1: 0 / 100