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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int sum;
  5. int i;
  6.     sum = 0;
  7.     for(i = 1;i <= 1000;i ++){
  8.     	if((i / 10) % 10 == 3){
  9.              sum = sum+i;
  10.     	}
  11.     }
  12.     printf("sum=%d\n",sum);
  13. 	return 0;
  14. }
  15.  
Success #stdin #stdout 0s 5304KB
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stdin
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Standard input is empty
stdout
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sum=48450
https://ideone.com/6M94Ib
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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