#include <iostream> #include <string> std::string findRepr (int n) { if (n == 1) return std::string("1"); if (n == 2) return std::string("1+1"); std::string res; if (n % 2) { res = "1+("; res += findRepr (n - 1); res += ")"; } else { res = "(1+1)*("; res += findRepr (n/2); res += ")"; } return res; } int main () { std::ios_base::sync_with_stdio(0); int T; std::cin >> T; while (T --) { int n; std::cin >> n; std::cout << findRepr (n) << '\n'; } }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | #include <iostream> #include <string> std::string findRepr (int n) { if (n == 1) return std::string("1"); if (n == 2) return std::string("1+1"); std::string res; if (n % 2) { res = "1+("; res += findRepr (n - 1); res += ")"; } else { res = "(1+1)*("; res += findRepr (n/2); res += ")"; } return res; } int main () { std::ios_base::sync_with_stdio(0); int T; std::cin >> T; while (T --) { int n; std::cin >> n; std::cout << findRepr (n) << '\n'; } } |