foo.cc: In function 'int main()':
foo.cc:22:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   22 | scanf("%d",&miao[1][i][j]);
      | ~~~~~^~~~~~~~~~~~~~~~~~~~~
foo.cc:20:23: warning: iteration 369999 invokes undefined behavior [-Waggressive-loop-optimizations]
   20 | { FOR(i,1,370000) k[i]=0;
      |                   ~~~~^~
foo.cc:5:33: note: within this loop
    5 | #define FOR(x,y,z) for(int x=y;x<=z;x++)
......
   20 | { FOR(i,1,370000) k[i]=0;
      |       ~~~~~~~~~~                 
foo.cc:20:3: note: in expansion of macro 'FOR'
   20 | { FOR(i,1,370000) k[i]=0;
      |   ^~~
foo.cc:27:23: warning: iteration 8 invokes undefined behavior [-Waggressive-loop-optimizations]
   27 | FOR(i,1,9) if(d==ans[i]) {printf("0\n");rbt=1;}
      |                  ~~~~~^
foo.cc:5:33: note: within this loop
    5 | #define FOR(x,y,z) for(int x=y;x<=z;x++)
......
   27 | FOR(i,1,9) if(d==ans[i]) {printf("0\n");rbt=1;}
      |     ~~~~~                        
foo.cc:27:1: note: in expansion of macro 'FOR'
   27 | FOR(i,1,9) if(d==ans[i]) {printf("0\n");rbt=1;}
      | ^~~

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