#include <stdio.h>
int main()
{
int i=0,num1=0, num2=0, sum=0;
printf("Put the first number and last number to add.\n");
scanf("%d %d", &num1, &num2);
i=num1;
while(i<num2+1)
{
sum+=i;
++i;
}
printf("Sum from %d to %d is %d", num1, num2, sum);
return 0;
}
int main()
{
int i=0,num1=0, num2=0, sum=0;
printf("Put the first number and last number to add.\n");
scanf("%d %d", &num1, &num2);
i=num1;
while(i<num2+1)
{
sum+=i;
++i;
}
printf("Sum from %d to %d is %d", num1, num2, sum);
return 0;
}
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