001

roman_numeral_encoder.v

@@ -0,0 +1,85 @@
+import readline
+
+fn main() {
+	mut r := readline.Readline{}
+	answer := r.read_line('What is your number: ')!
+
+	symbols := {
+		1:    'I'
+		5:    'V'
+		10:   'X'
+		50:   'L'
+		100:  'C'
+		500:  'D'
+		1000: 'M'
+	}
+
+	a := answer.int()
+	if a == 0 {
+		panic('The value cannot be 0 or a string')
+	}
+
+	mut num := a
+	mut result := ''
+
+	// Handle thousands
+	mut m := num / 1000
+	for i := 0; i < m; i++ {
+		result += symbols[1000]
+	}
+	num = num % 1000
+
+	// Handle hundreds
+	mut c := num / 100
+	if c == 9 {
+		result += symbols[100] + symbols[1000]
+	} else if c >= 5 {
+		result += symbols[500]
+		for i := 0; i < c - 5; i++ {
+			result += symbols[100]
+		}
+	} else if c == 4 {
+		result += symbols[100] + symbols[500]
+	} else {
+		for i := 0; i < c; i++ {
+			result += symbols[100]
+		}
+	}
+	num = num % 100
+
+	// Handle tens
+	mut x := num / 10
+	if x == 9 {
+		result += symbols[10] + symbols[100]
+	} else if x >= 5 {
+		result += symbols[50]
+		for i := 0; i < x - 5; i++ {
+			result += symbols[10]
+		}
+	} else if x == 4 {
+		result += symbols[10] + symbols[50]
+	} else {
+		for i := 0; i < x; i++ {
+			result += symbols[10]
+		}
+	}
+	num = num % 10
+
+	// Handle ones
+	if num == 9 {
+		result += symbols[1] + symbols[10]
+	} else if num >= 5 {
+		result += symbols[5]
+		for i := 0; i < num - 5; i++ {
+			result += symbols[1]
+		}
+	} else if num == 4 {
+		result += symbols[1] + symbols[5]
+	} else {
+		for i := 0; i < num; i++ {
+			result += symbols[1]
+		}
+	}
+
+	println('${a} --> ${result}')
+}