// 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; } |
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