Sum up to given number.
A program for find the sum upto the number entered by the user: #include<stdio.h> #include<conio.h> void main() { clrscr(); int y,t,sum=0; printf("Enter the last value of the series, up to where the sum is required: "); scanf("%d",&t); for(y=1;y<=t;y++) { sum=sum+y; } printf("Sum of the series is: %f",sum); getch(); getch(); }