#include <iostream> #include <cstdio> #include <vector> #include <cmath> using namespace std; int n, x; string part(int k) { if(k == 1) return "1"; string s; vector<int>v; int a = 2, sq = sqrt(k), d = k; while(d > 1) { if(a * a > d && v.empty())break; while(d % a == 0) { d/=a; v.push_back(a); //cout<<a<<' '; } a++; } if(!v.empty()) { for(int i=0;i<v.size();i++) { s += part(v[i]); if(i!=v.size()-1)s += "*"; } } else { if(x != d)s = "("; s += part(d-1) + "+1"; if(x != d)s += ")"; } return s; } int main() { scanf("%d",&n); for(int i=0;i<n;i++) { scanf("%d", &x); string w = part(x); int b = 0; for(int j=0;j<w.size();j++) { if(w[j]=='1')b++; } if(b<100)printf("%s\n",w.c_str()); else printf("NIE\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 62 63 64 65 66 67 68 69 70 | #include <iostream> #include <cstdio> #include <vector> #include <cmath> using namespace std; int n, x; string part(int k) { if(k == 1) return "1"; string s; vector<int>v; int a = 2, sq = sqrt(k), d = k; while(d > 1) { if(a * a > d && v.empty())break; while(d % a == 0) { d/=a; v.push_back(a); //cout<<a<<' '; } a++; } if(!v.empty()) { for(int i=0;i<v.size();i++) { s += part(v[i]); if(i!=v.size()-1)s += "*"; } } else { if(x != d)s = "("; s += part(d-1) + "+1"; if(x != d)s += ")"; } return s; } int main() { scanf("%d",&n); for(int i=0;i<n;i++) { scanf("%d", &x); string w = part(x); int b = 0; for(int j=0;j<w.size();j++) { if(w[j]=='1')b++; } if(b<100)printf("%s\n",w.c_str()); else printf("NIE\n"); } return 0; } |