Why does my code not execute

Question

It opens but then closes instantly

Answer 1

Can you give the code?

Answer 2

yes

Answer 3

#include <iostream>
using namespace std;
int main()
{
cout << “calculator\n\n”;
int a = 12 ;
int b = 13 ;
int sum = a + b;
cout << “pls select num\n\n”;
cin a;
cout << “pls select num\n\n”;
cin b;
cout << sum;
return 0;

Answer 4

}

Answer 5

cin >> a;
You forget >>

Answer 6

wait sorry i added those in just phone typing error

Answer 7

but still not working

Answer 8

Why you input a and b after they do nothing with sum?

Answer 9

starts for one sec then closes

Answer 10

try
system("pause");
before return 0;

or try to delete exe file and compile again.

Answer 11

thatnks so much