if ( condition ) { statement(s) } if ( condition ) { statement(s) } else { statement(s) }
if (n > 0) { printf("positive\n"); } if (n > 0) { printf("positive\n"); } else { printf("negative\n"); } if ( n > 0) { printf("positive\n"); } else { printf("negative\n"); }[an error occurred while processing this directive]