#include <iostream> #include <deque> using namespace std; deque<char> dq; void solve(int n) { if(n == 1) { dq.push_back('1'); return; } if(n == 2) { dq.push_back('1'); dq.push_back('+'); dq.push_back('1'); return; } if(n == 3) { dq.push_back('1'); dq.push_back('+'); dq.push_back('1'); dq.push_back('+'); dq.push_back('1'); return; } solve(n/2); dq.push_front('('); dq.push_back(')'); dq.push_back('*'); dq.push_back('('); dq.push_back('1'); dq.push_back('+'); dq.push_back('1'); dq.push_back(')'); if(n&1) { dq.push_back('+'); dq.push_back('1'); } } int main() { ios_base::sync_with_stdio(false); int t, n; cin >> t; while(t--) { dq.clear(); cin >> n; solve(n); for(char c : dq) cout << c; cout << '\n'; } 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 | #include <iostream> #include <deque> using namespace std; deque<char> dq; void solve(int n) { if(n == 1) { dq.push_back('1'); return; } if(n == 2) { dq.push_back('1'); dq.push_back('+'); dq.push_back('1'); return; } if(n == 3) { dq.push_back('1'); dq.push_back('+'); dq.push_back('1'); dq.push_back('+'); dq.push_back('1'); return; } solve(n/2); dq.push_front('('); dq.push_back(')'); dq.push_back('*'); dq.push_back('('); dq.push_back('1'); dq.push_back('+'); dq.push_back('1'); dq.push_back(')'); if(n&1) { dq.push_back('+'); dq.push_back('1'); } } int main() { ios_base::sync_with_stdio(false); int t, n; cin >> t; while(t--) { dq.clear(); cin >> n; solve(n); for(char c : dq) cout << c; cout << '\n'; } return 0; } |