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  1. #include <bits/stdc++.h>
  2. #define LL long long int
  3. #define mod 1000000007
  4.  
  5. using namespace std;
  6.  
  7. int main()
  8. {
  9.     int n;
  10.     cin >> n;
  11.     int value[n+2],ans[n+2];
  12.  
  13.  
  14.     for(int i=1;i<=n;i++)
  15.         cin >> value[i];
  16.  
  17.    value[n+1]=10000000;
  18.     for(int i=n;i>0;i--)
  19.     {
  20.         int x = i+1;
  21.         while(x<=n)
  22.         {
  23.             if( value[x] > value[i] )break;
  24.             x = ans[x];
  25.         }
  26.         ans[i]=x; // stores the least index which has higher value & lies to right
  27.     }
  28.  
  29.     value[n+1]=-1;
  30.     for(int i=1;i<=n;i++){
  31.         ans[i]=value[i];
  32.         cout << ans[i] << " ";
  33.     }
  34.  
  35.         return 0;
  36. }
  37.  
Success #stdin #stdout 0s 3100KB
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stdin
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5
2 4 15 1 3
stdout
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2 4 15 1 3
https://ideone.com/dVfRCn
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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