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  1. #include <stdio.h>
  2.  
  3. int sum1(int n){
  4. 	int i, sum=0;
  5. 	for(i=1; i<=n; i++){
  6. 		sum=sum+i;
  7. 	}
  8. 	return sum;
  9. }
  10. int main(void) {
  11. 	int n;
  12. 	for(n=1; n<=10; n++){
  13. 		sum1(n);
  14. 		printf("sum1(%d)=%d\n", n, sum1(n));
  15. 	}
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0s 5312KB
comments (?)
stdin 
Standard input is empty
stdout 
sum1(1)=1
sum1(2)=3
sum1(3)=6
sum1(4)=10
sum1(5)=15
sum1(6)=21
sum1(7)=28
sum1(8)=36
sum1(9)=45
sum1(10)=55
https://ideone.com/ys0V9M
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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