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Submission #973156

# Submission time Handle Problem Language Result Execution time Memory
973156 2024-05-01T14:51:57 Z sleepntsheep Question (Grader is different from the original contest) (CEOI14_question_grader) C
Compilation error
 0 ms 0 KB 
#include <stdio.h>

int set[925], iota;

void init()
{    
    for (int iota = 0, i = 1; i < (1<<12); ++i)
    if(__builtin_popcount(i) == 6)
    {
        ++iota;
        for(int j=0;j<12;++j)set[iota] |= ((i>>j)&1)<<j;
    }
}

int encode(int n,int x,int y)
{
    if (!iota) init();
    for(int i=0;i<12;++i)
        if((set[x]&(1<<i))&&!(set[y]&(1<<i)))
            return i;
}

int decode (int n, int q, int h)
{
    if (!iota) init();
    return(set[q]&(1<<(h-1)));
}





    

      

        
Compilation message

      

      
encoder.c: In function 'encode':
encoder.c:21:1: warning: control reaches end of non-void function [-Wreturn-type]
   21 | }
      | ^

/usr/bin/ld: /tmp/ccCruqlT.o: in function `main':
grader_decode.c:(.text.startup+0x22f): undefined reference to `decode'
collect2: error: ld returned 1 exit status