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- #include <iostream>
- #include <algorithm>
- using namespace std;
- int absolute_value(int a) {
- if(a < 0) {
- return a * (-1);
- }
- else {
- return a;
- }
- }
- int main()
- {
- int n;
- cin >> n;
- cout << absolute_value(n) << endl;
- return 0;
- }
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