Submission #564859

#TimeUsernameProblemLanguageResultExecution timeMemory
564859UzoufQuestion (Grader is different from the original contest) (CEOI14_question_grader)C++14
0 / 100
7095 ms2980 KiB
int encode(int n,int x,int y) { int grid[12][924]; int col=-1; for (int msk=0;msk<(1<<12);msk++) { if (__builtin_popcount(msk)!=6) continue; col++; for (int i=0;i<12;i++) { if ((msk&(1<<i))==(1<<i)) grid[i][col]=1; else grid[i][col]=0; } } int h; for (int j=0;j<12;j++) { if (grid[j][x-1]==1 && grid[j][y-1]==0) { h=j+1; break; } } return h; }
int decode(int n,int q,int h) { h--; q--; int grid[12][924]; int col=-1; for (int msk=0;msk<(1<<12);msk++) { if (__builtin_popcount(msk)!=6) continue; col++; for (int i=0;i<12;i++) { if ((msk&(1<<i))==(1<<i)) grid[i][col]=1; else grid[i][col]=0; } } return grid[h][q]; }

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:19:10: warning: 'h' may be used uninitialized in this function [-Wmaybe-uninitialized]
   19 |   return h;
      |          ^
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