#include <stdlib.h> #include <iostream> bool walk( const int k, const int left, std::string& result ) { if ( left == 0 ) { return false; } if ( k == 1 ) { result += "1"; return true; } if ( k == 2 ) { result += "1+1"; return true; } if ( k & 1 ) { result += "1+"; if ( !walk( k - 1, left - 1, result ) ) { return false; } return true; } result += "(1+1)*("; if ( !walk( k / 2, left - 2, result ) ) { return false; } result += ")"; return true; } void solve() { int k; std::cin >> k; std::string result; if ( walk( k, 100, result ) ) { std::cout << result.c_str() << std::endl; return; } std::cout << "NIE" << std::endl; } int main() { int t; std::cin >> t; for ( int i = 0; i < t; ++i ) solve(); 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 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | #include <stdlib.h> #include <iostream> bool walk( const int k, const int left, std::string& result ) { if ( left == 0 ) { return false; } if ( k == 1 ) { result += "1"; return true; } if ( k == 2 ) { result += "1+1"; return true; } if ( k & 1 ) { result += "1+"; if ( !walk( k - 1, left - 1, result ) ) { return false; } return true; } result += "(1+1)*("; if ( !walk( k / 2, left - 2, result ) ) { return false; } result += ")"; return true; } void solve() { int k; std::cin >> k; std::string result; if ( walk( k, 100, result ) ) { std::cout << result.c_str() << std::endl; return; } std::cout << "NIE" << std::endl; } int main() { int t; std::cin >> t; for ( int i = 0; i < t; ++i ) solve(); return 0; } |