#include <iostream> #include <string> std::string f(int k) { if (k == 1) return "1"; if (k == 2) return "1+1"; if (k == 3) return "1+1+1"; std::string res = "(" + f(2) + ")*(" + f( k / 2 ) + ")"; if ( k % 2 ) return "1+" + res; return res; } int main() { int t; std::cin >> t; while(t--) { int k; std::cin >> k; std::cout << f(k) << std::endl; } return 0; }
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 | #include <iostream> #include <string> std::string f(int k) { if (k == 1) return "1"; if (k == 2) return "1+1"; if (k == 3) return "1+1+1"; std::string res = "(" + f(2) + ")*(" + f( k / 2 ) + ")"; if ( k % 2 ) return "1+" + res; return res; } int main() { int t; std::cin >> t; while(t--) { int k; std::cin >> k; std::cout << f(k) << std::endl; } return 0; } |