Love Calculator

Program:

#include<stdio.h>
#include<conio.h>
#include<dos.h>
void main()
{
int i,l1;
long int s1,s2,t;
char name1[50],name2[50];
void title(),del();
clrscr();
title();
printf("\nTest your Love percentage");
delay(5000);
clrscr();
title();
printf("\nEnter Boy name:");
scanf("%s",name1);
printf("\nEnter Girl name:" );
scanf("%s",name2);
printf("Please wait Calculating.");
for(i=0;i<8;i++)
{
del();
}
clrscr();
title();
printf("Calculation completed");
delay(1000);
clrscr();
title();
printf("Press any key to view result");
l1=0;
for(i=0;i<50;i++)
{
if(name1[i]!='\0')
{
l1++;
continue;
}
break;
}
s1=0;
for(i=0;i<l1;i++)
{
s1=s1+name1[i];
}
getch();
l1=0;
for(i=0;i<50;i++)
{
if(name2[i]!='\0')
{
l1++;
continue;
}
break;
}
s2=0;
for(i=0;i<l1;i++)
{
s2=s2+name2[i];
}
t=s1+s2;
while(t>100)
{
    t=t/10;
}
clrscr();
title();
printf("the result is %ld%",t);
getch();
}
void title()
{
printf("\nLove Calculator");
}
void del()
{
delay(500);
printf("---");
}