/in/foo.cc: In function 'void take()':
/in/foo.cc:31:1: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
 for(i=a[0]+1;ans[i]==0;i--); if(i<=0) i=1; ans[0]=i;
 ^~~
/in/foo.cc:31:30: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
 for(i=a[0]+1;ans[i]==0;i--); if(i<=0) i=1; ans[0]=i;
                              ^~