結果

問題 No.1383 Numbers of Product
ユーザー yuto1115yuto1115
提出日時 2021-02-07 21:37:15
言語 C++17
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 819 ms / 2,000 ms
コード長 4,420 bytes
コンパイル時間 2,148 ms
コンパイル使用メモリ 206,940 KB
実行使用メモリ 68,436 KB
最終ジャッジ日時 2023-08-14 22:13:18
合計ジャッジ時間 22,901 ms
ジャッジサーバーID
(参考情報)
judge12 / judge13
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 35 ms
4,384 KB
testcase_01 AC 35 ms
4,384 KB
testcase_02 AC 36 ms
4,384 KB
testcase_03 AC 35 ms
4,388 KB
testcase_04 AC 35 ms
4,380 KB
testcase_05 AC 35 ms
4,388 KB
testcase_06 AC 35 ms
4,380 KB
testcase_07 AC 505 ms
43,020 KB
testcase_08 AC 496 ms
42,568 KB
testcase_09 AC 337 ms
51,956 KB
testcase_10 AC 802 ms
67,684 KB
testcase_11 AC 801 ms
66,548 KB
testcase_12 AC 805 ms
67,332 KB
testcase_13 AC 763 ms
64,780 KB
testcase_14 AC 655 ms
55,204 KB
testcase_15 AC 530 ms
45,408 KB
testcase_16 AC 800 ms
66,748 KB
testcase_17 AC 1 ms
4,384 KB
testcase_18 AC 2 ms
4,388 KB
testcase_19 AC 2 ms
4,384 KB
testcase_20 AC 1 ms
4,380 KB
testcase_21 AC 2 ms
4,384 KB
testcase_22 AC 1 ms
4,384 KB
testcase_23 AC 2 ms
4,384 KB
testcase_24 AC 2 ms
4,384 KB
testcase_25 AC 2 ms
4,380 KB
testcase_26 AC 1 ms
4,380 KB
testcase_27 AC 1 ms
4,380 KB
testcase_28 AC 5 ms
4,380 KB
testcase_29 AC 626 ms
53,264 KB
testcase_30 AC 819 ms
68,232 KB
testcase_31 AC 2 ms
4,380 KB
testcase_32 AC 102 ms
16,680 KB
testcase_33 AC 1 ms
4,384 KB
testcase_34 AC 2 ms
4,936 KB
testcase_35 AC 414 ms
62,572 KB
testcase_36 AC 703 ms
59,872 KB
testcase_37 AC 807 ms
68,268 KB
testcase_38 AC 814 ms
68,204 KB
testcase_39 AC 442 ms
68,136 KB
testcase_40 AC 448 ms
68,212 KB
testcase_41 AC 806 ms
68,180 KB
testcase_42 AC 811 ms
68,200 KB
testcase_43 AC 802 ms
68,204 KB
testcase_44 AC 448 ms
68,204 KB
testcase_45 AC 814 ms
68,436 KB
testcase_46 AC 1 ms
4,384 KB
testcase_47 AC 787 ms
66,592 KB
testcase_48 AC 801 ms
67,324 KB
testcase_49 AC 811 ms
68,064 KB
testcase_50 AC 798 ms
67,832 KB
testcase_51 AC 1 ms
4,384 KB
testcase_52 AC 2 ms
4,380 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

//@formatter:off
#include<bits/stdc++.h>
#define overload4(_1,_2,_3,_4,name,...) name
#define rep1(i,n) for (ll i = 0; i < ll(n); ++i)
#define rep2(i,s,n) for (ll i = ll(s); i < ll(n); ++i)
#define rep3(i,s,n,d) for(ll i = ll(s); i < ll(n); i+=d)
#define rep(...) overload4(__VA_ARGS__,rep3,rep2,rep1)(__VA_ARGS__)
#define rrep(i,n) for (ll i = ll(n)-1; i >= 0; i--)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define popcount(x) __builtin_popcount(x)
#define pb push_back
#define eb emplace_back
#ifdef __LOCAL
#define debug(...) { cout << #__VA_ARGS__; cout << ": "; print(__VA_ARGS__); cout << flush; }
#else
#define debug(...) void(0)
#endif
#define INT(...) int __VA_ARGS__;scan(__VA_ARGS__)
#define LL(...) ll __VA_ARGS__;scan(__VA_ARGS__)
#define STR(...) string __VA_ARGS__;scan(__VA_ARGS__)
#define CHR(...) char __VA_ARGS__;scan(__VA_ARGS__)
#define DBL(...) double __VA_ARGS__;scan(__VA_ARGS__)
#define LD(...) ld __VA_ARGS__;scan(__VA_ARGS__)
using namespace std;
using ll = long long;
using ld = long double;
using P = pair<int,int>;
using LP = pair<ll,ll>;
using vi = vector<int>;
using vvi = vector<vector<int>>;
using vl = vector<ll>;
using vvl = vector<vector<ll>>;
using vd = vector<double>;
using vvd = vector<vector<double>>;
using vs = vector<string>;
using vc = vector<char>;
using vvc = vector<vector<char>>;
using vb = vector<bool>;
using vvb = vector<vector<bool>>;
using vp = vector<P>;
using vvp = vector<vector<P>>;
template<class S,class T> istream& operator>>(istream &is,pair<S,T> &p) { return is >> p.first >> p.second; }
template<class S,class T> ostream& operator<<(ostream &os,const pair<S,T> &p) { return os<<'{'<<p.first<<","<<p.second<<'}'; }
template<class T> istream& operator>>(istream &is,vector<T> &v) { for(T &t:v){is>>t;} return is; }
template<class T> ostream& operator<<(ostream &os,const vector<T> &v) { os<<'[';rep(i,v.size())os<<v[i]<<(i==int(v.size()-1)?"":","); return os<<']'; }
template<class T> void vecout(const vector<T> &v,char div='\n') { rep(i,v.size()) cout<<v[i]<<(i==int(v.size()-1)?'\n':div);}
template<class T> bool chmin(T& a,T b) {if(a > b){a = b; return true;} return false;}
template<class T> bool chmax(T& a,T b) {if(a < b){a = b; return true;} return false;}
void scan(){}
template <class Head, class... Tail> void scan(Head& head, Tail&... tail){ cin >> head; scan(tail...); }
template<class T> void print(const T& t){ cout << t << '\n'; }
template <class Head, class... Tail> void print(const Head& head, const Tail&... tail){ cout<<head<<' '; print(tail...); }
template<class... T> void fin(const T&... a) { print(a...); exit(0); }
const string yes[] = {"no","yes"};
const string Yes[] = {"No","Yes"};
const string YES[] = {"NO","YES"};
const int inf = 1001001001;
const ll linf = 1001001001001001001;
//@formatter:on

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    LL(n, k, m);
    map<ll, int> mp;
    rep(b, 2, 31) {
        rep(a, 1, linf) {
            bool ok = true;
            ll now = 1;
            rep(i, b + 1) {
                ll l = a + i * k;
                if (now > linf / l) {
                    ok = false;
                    break;
                }
                now *= l;
            }
            if (!ok) break;
            if (now <= n) mp[now]++;
        }
    }
    auto g = [&](ll l) {
        int ok = 0, ng = inf;
        auto f = [&](int x) -> bool {
            if (x + k > linf / x) return false;
            return (ll) x * (x + k) <= l;
        };
        while (abs(ok - ng) > 1) {
            int mid = (ng + ok) / 2;
            if (f(mid)) ok = mid;
            else ng = mid;
        }
        return (ll) ok * (ok + k) == l;
    };
    ll ans = 0, l = 0;
    for (auto[val, cnt] : mp) {
        if (cnt > m) {
            if (g(val)) l++;
            continue;
        }
        if (cnt < m - 1) continue;
        if (cnt == m) {
            if (g(val)) l++;
            else ans++;
        } else {
            if (g(val)) ans++;
        }
    }
    if (m == 1) {
        int ok = 0, ng = inf;
        auto f = [&](int x) -> bool {
            if (x + k > linf / x) return false;
            return (ll) x * (x + k) <= n;
        };
        while (abs(ok - ng) > 1) {
            int mid = (ng + ok) / 2;
            if (f(mid)) ok = mid;
            else ng = mid;
        }
        ans += ok - l;
    }
    print(ans);
}
0