for ( i = 0; i < n; ++i ) if ( i != m ) { (void)something; for ( j = 0; j < n; ++j ) for ( k = 0; k < n; ++k ) { (void)something; if ( k != m ) (void)something; { int a, b; (void)(something = a + b); (void)something; } } } else (void)something; (void)something;