oj.uz

Submission #973157

# Submission time Handle Problem Language Result Execution time Memory
973157 2024-05-01T14:52:16 Z sleepntsheep Question (Grader is different from the original contest) (CEOI14_question_grader) C
0 / 100
 1 ms 4780 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;
}


#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 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 | }
      | ^

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 4780 KB the encoded value must be greater than or equal to 1
2 Incorrect 1 ms 4780 KB the encoded value must be greater than or equal to 1