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  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4. using namespace std;
  5.  
  6. int main ()
  7. {
  8.     vector<int> myvector;
  9.     int myint;
  10.  
  11.     cout << "Please enter some integers (enter 0 to end):\n";
  12.  
  13.     while (cin >> myint && myint != 0) {
  14.         myvector.push_back(myint);
  15.     }
  16.  
  17.     cout << "myvector stores " << myvector.size() << " numbers.\n";
  18.  
  19.     for (auto it = myvector.begin(); it != myvector.end(); ++it) {
  20.         cout << *it << endl;
  21.     }
  22.  
  23.     for (int x : myvector) {
  24.         cout << x << endl;
  25.     }
  26.  
  27.     if (!myvector.empty()) {
  28.         myvector.pop_back();
  29.     }
  30.  
  31.     if (!myvector.empty()) {
  32.         if (myvector.front() == myvector.back()) {
  33.             cout << "First and last elements are equal\n";
  34.         }
  35.  
  36.         myvector.back() += myvector.front();
  37.     }
  38.     if (!myvector.empty()) {
  39.     cout << "First element: " << myvector.front() << endl;
  40.     cout << "Last element: " << myvector.back() << endl;
  41. }
  42.  sort(myvector.begin(), myvector.end());
  43.  cout << "Sorted vector:\n";
  44.  for (int val : myvector) {
  45.     cout << val << " ";
  46.  }
  47.  cout << endl;
  48.  cout << "Size: " << myvector.size() << endl;
  49.  
  50.  
  51.     int findNumber;
  52.     cout << "Look for your number: ";
  53.     cin >> findNumber;
  54.  
  55.     bool searchNumber = false;
  56.     for(int i = 0; i < myvector.size(); i++){
  57.         if(myvector.at(i) == findNumber){
  58.             searchNumber = true;
  59.             break;
  60.         }
  61.     }
  62.  
  63.     if (searchNumber) {
  64.         cout << "Your number " << findNumber << " was found" << endl;
  65.     } else {
  66.         cout << "Your number was not found" << endl;
  67.     }
  68.  
  69.     	myvector.clear();
  70.  
  71.     	return 0;
  72. }
Success #stdin #stdout 0s 5308KB
comments (?)
stdin 
1 2 3 4 5 6 7 8 9 10
stdout 
Please enter some integers (enter 0 to end):
myvector stores 10 numbers.
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
First element: 1
Last element: 10
Sorted vector:
1 2 3 4 5 6 7 8 10 
Size: 9
Look for your number: Your number was not found
https://ideone.com/pRqWrb
language:
C++14 (gcc 8.3)
created:
5 days ago
visibility:
public

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