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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	// your code goes here
  5. 	int a,b,c,d,e,i,count;
  6. 	count=0;
  7. 	for(i=1;i<=10000;i++){
  8. 		a=i/10000;//10000の位
  9. 		b=i/1000%10;//1000の位
  10. 		c=i/100%10;//100の位
  11. 		d=i/10%10;//10の位
  12. 		e=i%10;//1の位
  13. 		if((a+b+c+d+e)%7==3)count++;
  14. 	}
  15. 	printf("%d",count);
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0.01s 5320KB
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https://ideone.com/ni0HAx
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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