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  1. #include <stdio.h>
  2.  
  3. //using namespace std;
  4.  
  5. int isGood(unsigned long long int n)
  6. {
  7.     unsigned long long int p,c,f;
  8.     if (n < 10) return 1;
  9.     p=n%10;
  10.     n=n/10;
  11.     f=0;
  12.     while (n)
  13.     {
  14.        c=n%10;
  15.        if (c==p) return 0;
  16.        if ((c>p) && (f==-1))  return 0;
  17.        if (c>p) f=1;
  18.        if ((c<p) && (f==1))  return 0;
  19.        if (c<p) f=-1;
  20.        p=c;
  21.        n=n/10;
  22.     }
  23.     return 1;
  24. }      
  25.  
  26. int main(void)
  27. {
  28.     int i;
  29.     unsigned long long int N;
  30.     //printf("N=");
  31.     //scanf("%d",&N);
  32.     N = 100000000;
  33.     for (i=1; i<=N; i++)
  34.       if (isGood(i)) printf("%d ",i);
  35.     printf("\n");
  36.     //system("PAUSE");
  37.     return 0;
  38. }
Time limit exceeded #stdin #stdout 5s 2248KB
comments (?)
stdin 
Standard input is empty
stdout 
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https://ideone.com/eEPIi7
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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