Submission #347087

#	Time	Username	Problem	Language	Result	Execution time	Memory
347087		ACmachine	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++17	0 / 100	2236 ms	24540 KiB

encoder

int sets[921], id = 1;
    
int encode (int n, int x, int y) {
    if(id == 1){
        for(int i = 0; i < (1 << 12); ++i){
            if(__builtin_popcount(i) == 6)
                sets[id++] = i;
        }
    }
    for(int i = 0; i < 12; ++i){
        if((sets[x]&(1 << i)) && !(sets[y]&(1 << i)))
            return i + 1;
    } 
}

decoder

int sets[921], id = 1;    
int decode (int n, int q, int h) {
    if(id == 1){
        for(int i = 0; i < (1 << 12); ++i){
            if(__builtin_popcount(i) == 6)
                sets[id++] = i;
        }
    }
    return (sets[q] &(1 << (h-1)));
}

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:14:1: warning: control reaches end of non-void function [-Wreturn-type]
   14 | }
      | ^

• Subtask 1: 0 / 100