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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6. 	// Print From 1 to N
  7. 	int n;
  8.     cout << "Enter N: ";
  9.     cin >> n;
  10.  
  11.     for (int i = 1; i <= n; i++) {
  12.         cout << i << " ";
  13.     }
  14. 	cout << endl;
  15.  
  16.  
  17. 	// Reverse a Number
  18. 	int num, rev = 0;
  19.     cout << "Enter a number: ";
  20.     cin >> num;
  21.  
  22.     while (num > 0) {
  23.         int digit = num % 10;
  24.         rev = rev * 10 + digit;
  25.         num /= 10;
  26.     }
  27.  
  28.     cout << "Reversed: " << rev;
  29. 	cout << endl;
  30.  
  31.  
  32. 	//  Input Until User Enters 0
  33. 	int x;
  34.  
  35.     do {
  36.         cout << "Enter a number 0 to stop:  \n";
  37.         cin >> x;
  38.     } while (x != 0);
  39.  
  40.     cout << "Loop Stoped.\n";
  41.  
  42.  
  43. 	// Build a 90° Triangle
  44. 	int l;
  45.     cout << "Enter number of rows:  \n";
  46.     cin >> l;
  47.  
  48.     for (int i = 1; i <= l; i++) {
  49.         for (int j = 1; j <= i; j++) {
  50.             cout << "*";
  51.         }
  52.         cout << endl;
  53.     }
  54. 	cout << endl;
  55.  
  56.  
  57. 	return 0;
  58. }
Success #stdin #stdout 0s 5308KB
comments (?)
stdin
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8
34567
2 5 6 0
5
stdout
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Enter N: 1 2 3 4 5 6 7 8 
Enter a number: Reversed: 76543
Enter a number 0 to stop:  
Enter a number 0 to stop:  
Enter a number 0 to stop:  
Enter a number 0 to stop:  
Loop Stoped.
Enter number of rows:  
*
**
***
****
*****
https://ideone.com/PzQwcj
language:
C++ (gcc 8.3)
created:
7 days ago
visibility:
public

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