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  1. //@Author Damien Bell
  2. #include <iostream>
  3. #include <cmath>
  4. using namespace std;
  5. int main(){
  6.     int choice=0, i, j;
  7.  
  8.     cout << "How many digits do you want to use: ";
  9.     cin >> choice; 
  10.  
  11.     //One set of loops to count up to 5
  12.  
  13.     for(i=1; i<=choice; i++){//outer loop
  14.  
  15.         for(j=1; j<=i; j++){//inner loop
  16.  
  17.             cout << j; //Cout present counter for J
  18.  
  19.         }//end inner loop
  20.  
  21.         cout << endl; // Line break
  22.  
  23.     }//end outer loop
  24.  
  25.  
  26.  
  27.     //Use another set of nested loops to count down from choice
  28.  
  29.     for (i=choice; i >0; i--){//Outer loop
  30.  
  31.         for(j=1; j<=i; j++){//Inner loop
  32.  
  33.             cout << j ;//output current j
  34.  
  35.         }//end inner loop
  36.  
  37.         cout <<endl;//line break
  38.  
  39.     }//end outer loop
  40.  
  41.  
  42.  
  43.  
  44.     //one set of loops to count down from 5
  45.  
  46.  return 0;
  47. }
  48.  
  49. /*
  50.  
  51.  
  52.  * 1
  53.  * 12
  54.  * 123
  55.  * 1234
  56.  * 12345
  57.  * 1234
  58.  * 123
  59.  * 12
  60.  * 1
  61.  * 
  62.  
  63.  */
Success #stdin #stdout 0s 2728KB
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stdin
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9
stdout
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How many digits do you want to use: 1
12
123
1234
12345
123456
1234567
12345678
123456789
123456789
12345678
1234567
123456
12345
1234
123
12
1
https://ideone.com/0aQcn
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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