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- #include <stdio.h>
- long long power(int n)
- {
- int q;
- long long c=2;
- for (q=n; q>1; q--) {c=2*c;}
- return c;
- }
- int main()
- {
- int n;
- long long output;
- scanf("%i",&n);
- output=power(n);
- printf("%lld",output);
- return 0;
- }
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