# C Program to calculate sum of multiple positive numbers (Stop if user enters negative number)

Get positive integers from user till user enters a negative integer calculate sum of positive integers.

Sample Input 1:

5 6 7 2 1 8 -9

Sample Output 1:

29

Sample Input 2:

3 23 -76

Sample Output 2:

26

#### Program or Solution

#include<stdio.h> int main() { int num,sum=0; printf("Enter Postive numbers to sum:"); while(1) { scanf("%d",&num); if(num<0) { break; } sum=sum+num; } printf("%d",sum); return 0; }

#### Program Explanation

since 1 is always true, scanf statement gets input from user continously, if user enters a negative number it exit from while loop using break statement.