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- #include<iostream>
- using namespace std;
- void swap( int *a, int *b){
- int temp;
- temp = *a;
- *a = *b;
- *b = temp;
- }
- int main(){
- int a = 1, b = 2, c = 3;
- swap(&a, &b);
- swap(&b, &c);
- cout << a << " " << b << " " << c << endl;
- return 0;
- }
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