// Przykładowe niepoprawne rozwiązanie do zadania Dzielniki. #include "dzilib.h" #include <vector> int prime[] = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59}; int max_div, res; int max_divisor(int li) { int re = 1; for (auto x: prime) { int mn = 1; while (li % x == 0) { mn++; li /= x; } re *= mn; if (li == 1) { return x; } } return -1; } void pre(long long cur) { res = Ask(cur); max_div = max_divisor(res); //std::cerr << cur << " " << res << " " << max_div << std::endl; } struct data{ long long cur; int res; int act; data(long long cur,int res,int act):cur(cur),res(res),act(act){}; }; int main() { int t = GetT(); //int q = GetQ(); long long c = GetC(); //long long n = GetN(); int lim=53; long long start=4123456789012345LL; if(c!=100000000000000000LL){ lim=37; start=62345678901; } while (t--) { std::vector<data> st; long long cur = start; pre(cur); while (max_div == 2) { cur++; pre(cur); } st.emplace_back(cur,res,1); st.emplace_back(cur,res,max_div); int dzi=max_div; while(max_div<lim){ cur+=1LL<<dzi-1; pre(cur); if(res==lim) break; if(max_div>dzi){ st.emplace_back(cur, res, max_div); dzi = max_div; continue; } dzi++; while(res%dzi){ //std::cerr<<res<<" "<<dzi<<std::endl; if(res/2<dzi||dzi>lim){ //std::cerr<<"back"<<std::endl; //for(auto x:st) // std::cerr<<"s"<<x.act<<" "<<x.res<<" "<<x.cur<<std::endl; res=st.back().res; cur=st.back().cur; dzi=st.back().act; st.pop_back(); } if(st.size()==0) { cur++; pre(cur); while (max_div == 2) { cur++; pre(cur); } st.emplace_back(cur,res,1); dzi=max_div; break; } dzi++; } st.emplace_back(cur,res,dzi); } Answer((1LL << (lim-1)) - cur); } 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 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | // Przykładowe niepoprawne rozwiązanie do zadania Dzielniki. #include "dzilib.h" #include <vector> int prime[] = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59}; int max_div, res; int max_divisor(int li) { int re = 1; for (auto x: prime) { int mn = 1; while (li % x == 0) { mn++; li /= x; } re *= mn; if (li == 1) { return x; } } return -1; } void pre(long long cur) { res = Ask(cur); max_div = max_divisor(res); //std::cerr << cur << " " << res << " " << max_div << std::endl; } struct data{ long long cur; int res; int act; data(long long cur,int res,int act):cur(cur),res(res),act(act){}; }; int main() { int t = GetT(); //int q = GetQ(); long long c = GetC(); //long long n = GetN(); int lim=53; long long start=4123456789012345LL; if(c!=100000000000000000LL){ lim=37; start=62345678901; } while (t--) { std::vector<data> st; long long cur = start; pre(cur); while (max_div == 2) { cur++; pre(cur); } st.emplace_back(cur,res,1); st.emplace_back(cur,res,max_div); int dzi=max_div; while(max_div<lim){ cur+=1LL<<dzi-1; pre(cur); if(res==lim) break; if(max_div>dzi){ st.emplace_back(cur, res, max_div); dzi = max_div; continue; } dzi++; while(res%dzi){ //std::cerr<<res<<" "<<dzi<<std::endl; if(res/2<dzi||dzi>lim){ //std::cerr<<"back"<<std::endl; //for(auto x:st) // std::cerr<<"s"<<x.act<<" "<<x.res<<" "<<x.cur<<std::endl; res=st.back().res; cur=st.back().cur; dzi=st.back().act; st.pop_back(); } if(st.size()==0) { cur++; pre(cur); while (max_div == 2) { cur++; pre(cur); } st.emplace_back(cur,res,1); dzi=max_div; break; } dzi++; } st.emplace_back(cur,res,dzi); } Answer((1LL << (lim-1)) - cur); } return 0; } |