#include <iostream> #include <cstdio> #include <vector> #define REP(i,n) for(int i=0; i<n; i++) #define FOR(i,b,e) for(int i=b; i<=e; i++) #define FORD(i,b,e) for(int i=b; i>=e; i--) using namespace std; int numBits(int x){ int res = 0; while(x){ x >>= 1; res++; } return res; } int main(){ int t,x; cin >> t; while(t--){ cin >> x; int nBits = numBits(x); if(x == 1){ cout << 1 << endl; continue; } string res = "1"; FORD(i,nBits-2, 0){ res = "(" + res + "*(1+1)"; if( x & (1 << i)){ res = res + "+1)"; } else{ res = res + ")"; } } cout << res << 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 | #include <iostream> #include <cstdio> #include <vector> #define REP(i,n) for(int i=0; i<n; i++) #define FOR(i,b,e) for(int i=b; i<=e; i++) #define FORD(i,b,e) for(int i=b; i>=e; i--) using namespace std; int numBits(int x){ int res = 0; while(x){ x >>= 1; res++; } return res; } int main(){ int t,x; cin >> t; while(t--){ cin >> x; int nBits = numBits(x); if(x == 1){ cout << 1 << endl; continue; } string res = "1"; FORD(i,nBits-2, 0){ res = "(" + res + "*(1+1)"; if( x & (1 << i)){ res = res + "+1)"; } else{ res = res + ")"; } } cout << res << endl; } } |