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  1. #include <stdio.h>
  2. int sum2(int n){
  3. 	int i,sum=0;
  4. 	for(i=1;i<=n;i++){
  5. 		sum=sum+i*i;
  6. 	}
  7. 	return sum;
  8. }
  9. int main(void) {
  10. 	int a;
  11. 	for(a=1;a<=10;a++){
  12. 		printf("sum2(%d)=%d\n",a,sum2(a));
  13. 	}
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0.01s 5316KB
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stdin
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Standard input is empty
stdout
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sum2(1)=1
sum2(2)=5
sum2(3)=14
sum2(4)=30
sum2(5)=55
sum2(6)=91
sum2(7)=140
sum2(8)=204
sum2(9)=285
sum2(10)=385
https://ideone.com/5bapHb
2Q-1 02-1
language:
C99 (gcc 8.3)
created:
1 day ago
visibility:
public

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