# C > Beginners Lab Assignments Code Examples

## Convert decimail nos to roman equivalent upto 10,000

``` Convert decimail nos to roman equivalent upto 10,000 /* Roman Decimal 1 i 5 v 10 x 50 l 100 c 500 d 1000 m */ #include<stdio.h> #include<conio.h> void thousand(int i) //Function for generating roman equivalent of 1000's { int x; for(x=1;x<=i;x++) printf("m"); } void hundred(int x) //Function for generating roman eq of 100's { int i; if(x>=5) { x=x-5; printf("d"); } for(i=1;i<=x;i++) printf("c"); } void tens(int x) //Function for generating roman eq of 10's { int i; if(x>=5) { x=x-5; printf("l"); } for(i=1;i<=x;i++) printf("x"); } void ones(int x) //Function for generating roman eq of 1's { int i,j; if(x==9) printf("ix"); else if(x>=5&&x<=8) { printf("v"); for(i=1;i<=x-5;i++) printf("i"); } else if(x==4) printf("iv"); else { for(j=1;j<=x;j++) printf("i"); } } void main() //Main program { int i,y,j; clrscr(); printf("Enter the year(less than 10,000): "); scanf("%d",&y); printf(" "); for(j=1000;j>=1;j=j/10) { i=y/j; //Extraction of digits for each functions if(j==1000) thousand(i); else if(j==100) hundred(i); else if(j==10) tens(i); else ones(i); y=y-(i*j); //removing the extracted digit to proceed further } getch(); } ```