/in/foo.c: In function 'main':
/in/foo.c:21:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
    for(int j=l-1;j<n-1;j++)
    ^~~
/in/foo.c:23:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
     l=l+k-1;
     ^