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Increment and decrement operators

nanJIL (11)
What differences between ++a & a++?
Result?

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int a = 5;

    ++a; // means a= a+1

     cout<< a;

     cout << ++a;

     cout<< a;

int a = 5;

    a++; // means a= a+1

     cout<< a;

     cout << a ++;

     cout<< a;
helios (17511)
Wouldn't it be faster to try running it?
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