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  1. #include <stdio.h>
  2. #include <math.h>
  3. int main(void) {
  4. 	int a,n;
  5. 	int result=0;
  6. 	scanf("%d %d",&a,&n);
  7. 	for(int i=1;i<=n;i++){
  8. 		int item=0;
  9. 		for(int j=1;j<=i;j++){
  10. 			item +=a*pow(10,j-1);
  11. 		}
  12. 		result +=item;
  13. 	}
  14. 	printf("%d",result);
  15. 	return 0;
  16. }
  17.  
Success #stdin #stdout 0.01s 5404KB
comments (?)
stdin 
5 3
stdout 
615
https://ideone.com/2g00lM
language:
C (gcc 8.3)
created:
2 years ago
visibility:
public

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