# Decimal to roman numeral converter in golang

Go program for Decimal to roman numeral converter. Here more solutions.

``````package main
import "fmt"

//  Golang program for
//  Conversion from Decimal to roman number

// Display roman value of n
func result(n  int64) {
switch (n) {
// Test Cases
case 1:
fmt.Print("I");
break;
case 4:
fmt.Print("IV");
break;
case 5:
fmt.Print("V");
break;
case 9:
fmt.Print("IX");
break;
case 10:
fmt.Print("X");
break;
case 40:
fmt.Print("XL");
break;
case 50:
fmt.Print("L");
break;
case 90:
fmt.Print("XC");
break;
case 100:
fmt.Print("C");
break;
case 400:
fmt.Print("CD");
break;
case 500:
fmt.Print("D");
break;
case 900:
fmt.Print("DM");
break;
case 1000:
fmt.Print("M");
break;
}
}
func selecting(number int64, collection []int64,  size  int64)int64 {
var  n  int64 = 1;
var  i  int64 = 0;
for i = 0; i < size; i++ {
if (number >= collection[i]) {
n = collection[i];
} else {
break;
}
}
result(n);
// Reduce the value of number
return number - n;
}
func romanNo(number  int64) {
if (number <= 0) {
// When is not a natural number
return;
}
// Base case collection
var  collection = []int64 {1, 4, 5, 9, 10, 40, 50, 90, 100, 400, 500, 900, 1000}
// Get the size of collection
var  size  int64 = int64(len(collection));
fmt.Printf(" %d : ",number);
for(number > 0) {
number = selecting(number, collection, size);
}
fmt.Println();
}

func main() {
// Test Case
romanNo(10);
romanNo(18);
romanNo(189);
romanNo(604);
romanNo(982);
romanNo(3000);
}``````

Output

`````` 10 : X
18 : XVIII
189 : CLXXXIX
604 : DCIV
982 : DMLXXXII
3000 : MMM``````

## Comment

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