code. compile. run. debug. share.
/******************************************************************************
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Code, Compile, Run and Debug C++ program online.
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*******************************************************************************/
#include <iostream>
using namespace std;
int& addone(int& x)
{
x += 1;
return x;
}
int main()
{
int x {5};
addone(x) = x;
std::cout << x << ' ' << addone(x);
return 0;
}
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Text
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