21 lines
241 B
C++
21 lines
241 B
C++
#include <iostream>
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using namespace std;
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void swap2 (int &val1, int &val2) {
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int temp = val1;
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val1 = val2;
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val2 = temp;
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}
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int main (void) {
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int x = 1;
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int y = 3;
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swap2(x, y);
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cout << x << y << endl;
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return 0;
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}
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