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list_app.cpp
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list_app.cpp
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#include <iostream>
#include <vector>
using namespace std;
int main(){
vector <int> list_num {1, 3, 5, 78};
char selection {};
while(true)
{
cout << "----------------------" << endl;
cout << "P - Print numbers" << endl;
cout << "A - Add numbers" << endl;
cout << "M - Display Mean numbers" << endl;
cout << "S - Display the smallest number" << endl;
cout << "L - Display de largest number" << endl;
cout << "Q - Quit" << endl;
cin >> selection;
switch (selection)
{
case 'P':
for (auto num : list_num)
{
cout << num << " " << endl;
}
break;
case 'A':
{
cout << "add a number" << endl;
int new_num {0};
cin >> new_num;
list_num.push_back(new_num);
break;
}
case 'M':
{
int sum {0};
for (auto num : list_num)
{
sum += num;
}
cout << static_cast<float>(sum)/list_num.size() << endl;
break;
}
case 'S':
{
if (list_num.size() == 0)
{
cout << "no numbers in vector" << endl; break;
}
int smallest {0};
smallest = list_num[0];
for (auto num : list_num)
{
if (num < smallest)
smallest = num;
}
cout << "the smallest number is " << smallest << endl;
break;
}
case 'L':
{
if (list_num.size() == 0)
{
cout << "no numbers in vector" << endl; break;
}
int largest {0};
largest = list_num[0];
for (auto num : list_num)
{
if (num > largest)
largest = num;
}
cout << "the smallest number is " << largest << endl;
break;
}
case 'Q':
cout << "Terminando..." << endl;
exit(0);
default:
break;
}
}
}