#include <iostream> void ones(int pow) { switch(pow) { case 0: std::cout << "1"; break; case 1: std::cout << "1+1"; break; default: std::cout << "("; ones(pow - 1); std::cout << ")*("; ones(pow - 1); std::cout << ")"; break; } } int main() { std::ios_base::sync_with_stdio(0); int t; std::cin >> t; while(t --> 0) { int n; bool printed = false; std::cin >> n; for(int i=0; n!=0; n/=2, i++) { if(n % 2 == 1) { if(printed) { std::cout<<"+"; } ones(i); printed = true; } } std::cout << std::endl; } }
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 | #include <iostream> void ones(int pow) { switch(pow) { case 0: std::cout << "1"; break; case 1: std::cout << "1+1"; break; default: std::cout << "("; ones(pow - 1); std::cout << ")*("; ones(pow - 1); std::cout << ")"; break; } } int main() { std::ios_base::sync_with_stdio(0); int t; std::cin >> t; while(t --> 0) { int n; bool printed = false; std::cin >> n; for(int i=0; n!=0; n/=2, i++) { if(n % 2 == 1) { if(printed) { std::cout<<"+"; } ones(i); printed = true; } } std::cout << std::endl; } } |