/in/foo.c: In function 'main':
/in/foo.c:17:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for (k=1; k < n; k++)
  ^~~
/in/foo.c:22:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   for (i = 1; i < n; i++)
   ^~~
/in/foo.c:25:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
    for (int j = 0; j < n; j++)
    ^~~
/in/foo.c:30:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
     if (w1 < w)
     ^~