/in/foo.c: In function 'main':
/in/foo.c:16:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(i=0;i<k;i++)
  ^~~
/in/foo.c:27:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   for(i=0;i<k;i++)
   ^~~
/in/foo.c:4:16: warning: unused variable 'temp' [-Wunused-variable]
  int m,n,i,j,t,temp,k=0;
                ^~~~