c++ - Adding two positive integers gives negative answer.Why?

Question

#include<iostream>

using namespace std;

int main(){

  int x = 1967513926;
  int y = 1540383426;

  cout<<x+y;

return 0;
}

Sum of above two integers is 3507897352 < 2^32.So Why wrong answer? Please help...

Answer 1

An int is a signed type, so its maximum is 2^31 - 1 = 2147483647, not 2^32 - 1. So you do get an overflow in this case.