#include <iostream> #include <vector> #include <algorithm> #include <climits> using namespace std; #define MP make_pair #define ST first #define ND second int maxBitOf(unsigned int n){ int res = 0; while( (1u<<res) <= n) res++; return res-1; } void solve(unsigned int n){ if (n < 4){ switch(n){ case 1: cout << "1" << endl; return; case 2: cout << "1+1" << endl; return; case 3: cout << "1+1+1" << endl; return; } } int maxBit = maxBitOf(n); string res; switch( n >> (maxBit-1) ){ case 2: res = "1+1"; break; case 3: res = "(1+1)+1"; break; default: cout << "n >> (maxBit-2): " << (n >> (maxBit-2)); throw exception(); } for(int i=maxBit-2; i>=0; i--){ res = "("+res+")*(1+1)"; if (n & (1<<i)) res = res+"+1"; } cout << res << endl; } int main(){ ios_base::sync_with_stdio(false); int z; cin >> z; while(z--){ unsigned int n; cin >> n; solve(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 | #include <iostream> #include <vector> #include <algorithm> #include <climits> using namespace std; #define MP make_pair #define ST first #define ND second int maxBitOf(unsigned int n){ int res = 0; while( (1u<<res) <= n) res++; return res-1; } void solve(unsigned int n){ if (n < 4){ switch(n){ case 1: cout << "1" << endl; return; case 2: cout << "1+1" << endl; return; case 3: cout << "1+1+1" << endl; return; } } int maxBit = maxBitOf(n); string res; switch( n >> (maxBit-1) ){ case 2: res = "1+1"; break; case 3: res = "(1+1)+1"; break; default: cout << "n >> (maxBit-2): " << (n >> (maxBit-2)); throw exception(); } for(int i=maxBit-2; i>=0; i--){ res = "("+res+")*(1+1)"; if (n & (1<<i)) res = res+"+1"; } cout << res << endl; } int main(){ ios_base::sync_with_stdio(false); int z; cin >> z; while(z--){ unsigned int n; cin >> n; solve(n); } return 0; } |