#include<bits/stdc++.h> #include "dzilib.h" #define FOR(i,a,b) for(int i=a;i<(int)b;++i) #define FORD(i,a,b) for(int i=a;i>=(int)b;--i) #define PB push_back #define EB emplace_back #define FI first #define SE second #define umap unordered_map #define uset unordered_set #define vi vector<int> #define vvi vector<vi> #define vll vector<ll> #define vvll vector<vll> #define vpii vector<pii> #define pii pair<int, int> #define pll pair<ll, ll> #define ALL(X) (X).begin(),(X).end() //#ifndef DEBUG //#define endl (char)10 //#endif using namespace std; using ll = long long; using ld = long double; template <class T> istream& operator>> (istream& is, vector<T>& vec){ FOR(i,0,vec.size()) is >> vec[i]; return is; } template <class T> ostream& operator<< (ostream& os, vector<T>& vec){ for(auto& t : vec) os << t << " "; return os; } template<class T, class U> ostream& operator<< (ostream& os, const pair<T, U>& p){ os << p.FI << " " << p.SE; return os; } template<class T, class U> istream& operator>> (istream& is, pair<T, U>& p){ is >> p.FI >> p.SE; return is; } int main () { //ios_base::sync_with_stdio(false); //cin.tie(0); const int N = 1001000; //const int N = 10010; vi LD(N, 0); FOR(i,1,N) for(int j = i; j < N; j += i) LD[j]++; const int K = 20; using T = array<int, K>; map<T, int> S; FOR(i,K + 1,N){ T pom; FOR(j,0,K) pom[j] = LD[i - j - 1]; S[pom] = i - K; } int testy = GetT(); ll n = GetN(); while(testy--){ T trial; FOR(j,0,K) trial[j] = Ask(K - 1 - j); auto it = S.find(trial); if (it == S.end()){ Answer(4444); } else { Answer(S[trial]); } } }
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 | #include<bits/stdc++.h> #include "dzilib.h" #define FOR(i,a,b) for(int i=a;i<(int)b;++i) #define FORD(i,a,b) for(int i=a;i>=(int)b;--i) #define PB push_back #define EB emplace_back #define FI first #define SE second #define umap unordered_map #define uset unordered_set #define vi vector<int> #define vvi vector<vi> #define vll vector<ll> #define vvll vector<vll> #define vpii vector<pii> #define pii pair<int, int> #define pll pair<ll, ll> #define ALL(X) (X).begin(),(X).end() //#ifndef DEBUG //#define endl (char)10 //#endif using namespace std; using ll = long long; using ld = long double; template <class T> istream& operator>> (istream& is, vector<T>& vec){ FOR(i,0,vec.size()) is >> vec[i]; return is; } template <class T> ostream& operator<< (ostream& os, vector<T>& vec){ for(auto& t : vec) os << t << " "; return os; } template<class T, class U> ostream& operator<< (ostream& os, const pair<T, U>& p){ os << p.FI << " " << p.SE; return os; } template<class T, class U> istream& operator>> (istream& is, pair<T, U>& p){ is >> p.FI >> p.SE; return is; } int main () { //ios_base::sync_with_stdio(false); //cin.tie(0); const int N = 1001000; //const int N = 10010; vi LD(N, 0); FOR(i,1,N) for(int j = i; j < N; j += i) LD[j]++; const int K = 20; using T = array<int, K>; map<T, int> S; FOR(i,K + 1,N){ T pom; FOR(j,0,K) pom[j] = LD[i - j - 1]; S[pom] = i - K; } int testy = GetT(); ll n = GetN(); while(testy--){ T trial; FOR(j,0,K) trial[j] = Ask(K - 1 - j); auto it = S.find(trial); if (it == S.end()){ Answer(4444); } else { Answer(S[trial]); } } } |