/in/foo.c: In function 'main':
/in/foo.c:40:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if (a[indexh][indexl] == a[i][indexl])
   ^~
/in/foo.c:44:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
    for (int j = 1; j < n; j++)
    ^~~