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c_cpp
2 years ago
184 B
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#include <iostream> int main() { long long a, b; std::cin >> a >> b; if (b > (a + a % 2) / 2) { std::cout << (b - ((a + a % 2)/ 2)) * 2; }else std::cout << b * 2 - 1; }
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#include <iostream> int main() { long long a, b; std::cin >> a >> b; if (b > (a + a % 2) / 2) { std::cout << (b - ((a + a % 2)/ 2)) * 2; }else std::cout << b * 2 - 1; }