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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4.     int b,i=0;
  5.     scanf("%d",&b);
  6.     while(i <= b){
  7.         int a = 0;
  8.          while(a <= i){
  9.              printf("%d",a);
  10.              a = a+1;
  11.          }
  12.          printf("\n");
  13.          i = i+1;
  14.     }
  15. 	return 0;
  16. }
Success #stdin #stdout 0s 5296KB
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stdin
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5
stdout
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0
01
012
0123
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012345
https://ideone.com/pAyK5S
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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