結果

問題 No.2510 Six Cube Sum Counting
ユーザー rogi52rogi52
提出日時 2023-10-20 23:49:25
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 227 ms / 4,000 ms
コード長 5,030 bytes
コンパイル時間 2,195 ms
コンパイル使用メモリ 202,448 KB
実行使用メモリ 393,912 KB
最終ジャッジ日時 2024-09-21 00:00:53
合計ジャッジ時間 8,926 ms
ジャッジサーバーID
(参考情報)
judge4 / judge2
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 181 ms
393,828 KB
testcase_01 AC 227 ms
393,668 KB
testcase_02 AC 217 ms
393,836 KB
testcase_03 AC 161 ms
393,740 KB
testcase_04 AC 165 ms
393,904 KB
testcase_05 AC 162 ms
393,860 KB
testcase_06 AC 217 ms
393,892 KB
testcase_07 AC 165 ms
393,908 KB
testcase_08 AC 207 ms
393,848 KB
testcase_09 AC 166 ms
393,668 KB
testcase_10 AC 167 ms
393,872 KB
testcase_11 AC 174 ms
393,912 KB
testcase_12 AC 174 ms
393,820 KB
testcase_13 AC 170 ms
393,832 KB
testcase_14 AC 172 ms
393,812 KB
testcase_15 AC 163 ms
393,836 KB
testcase_16 AC 162 ms
393,820 KB
testcase_17 AC 166 ms
393,828 KB
testcase_18 AC 165 ms
393,896 KB
testcase_19 AC 166 ms
393,896 KB
testcase_20 AC 197 ms
393,808 KB
testcase_21 AC 222 ms
393,908 KB
testcase_22 AC 209 ms
393,800 KB
testcase_23 AC 205 ms
393,836 KB
testcase_24 AC 220 ms
393,908 KB
testcase_25 AC 178 ms
393,828 KB
testcase_26 AC 222 ms
393,804 KB
testcase_27 AC 222 ms
393,736 KB
testcase_28 AC 167 ms
393,808 KB
testcase_29 AC 219 ms
393,864 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 #

#line 2 "cp-library/src/cp-template.hpp"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using uint = unsigned int;
using ull  = unsigned long long;
using i128 = __int128_t;
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; }

#line 2 "cp-library/src/utility/rep_itr.hpp"
template < class T > struct itr {
    T i, d;
    constexpr itr(const T i) noexcept : i(i), d(1) {}
    constexpr itr(const T i, const T d) noexcept : i(i), d(d) {}
    void operator++() noexcept { i += d; }
    constexpr int operator*() const noexcept { return i; }
    constexpr bool operator!=(const itr x) const noexcept {
        return d > 0 ? i < x.i : i > x.i;
    }
};

template < class T > struct rep {
    const itr< T > s, t;
    constexpr rep(const T t) noexcept : s(0), t(t) {}
    constexpr rep(const T s, const T t) noexcept : s(s), t(t) {}
    constexpr rep(const T s, const T t, const T d) noexcept : s(s, d), t(t, d) {}
    constexpr auto begin() const noexcept { return s; }
    constexpr auto end() const noexcept { return t; }
};

template < class T > struct revrep {
    const itr < T > s, t;
    constexpr revrep(const T t) noexcept : s(t - 1, -1), t(-1, -1) {}
    constexpr revrep(const T s, const T t) noexcept : s(t - 1, -1), t(s - 1, -1) {}
    constexpr revrep(const T s, const T t, const T d) noexcept : s(t - 1, -d), t(s - 1, -d) {}
    constexpr auto begin() const noexcept { return s; }
    constexpr auto end() const noexcept { return t; }
};
#line 2 "cp-library/src/utility/io.hpp"
namespace scanner {
    struct sca {
        template < class T > operator T() {
            T s; cin >> s; return s;
        }
    };
    struct vec {
        int n;
        vec(int n) : n(n) {}
        template < class T > operator vector< T >() {
            vector< T > v(n);
            for(T& x : v) cin >> x;
            return v;
        }
    };
    struct mat {
        int h,w;
        mat(int h, int w) : h(h), w(w) {}
        template < class T > operator vector< vector< T > >() {
            vector m(h, vector< T >(w));
            for(vector< T >& v : m) for(T& x : v) cin >> x;
            return m;
        }
    };
    struct speedup {
        speedup() {
            cin.tie(0);
            ios::sync_with_stdio(0);
        }
    } su;
}
scanner::sca in() { return scanner::sca(); }
scanner::vec in(int n) { return scanner::vec(n); }
scanner::mat in(int h, int w) { return scanner::mat(h, w); }

namespace printer {
    void precision(int d) {
        cout << fixed << setprecision(d);
    }
    void flush() {
        cout.flush();
    }
}
int print() { cout << '\n'; return 0; }
template < class head, class... tail > int print(head&& h, tail&&... t) {
    cout << h; if(sizeof...(tail)) cout << ' ';
    return print(forward<tail>(t)...);
}
template < class T > int print(vector< T > a, char sep = ' ') {
    int n = a.size();
    for(int i : rep(n)) cout << a[i] << (i != n - 1 ? sep : '\n');
    return 0;
}
template < class T > int print(vector< vector< T > > a) {
    if(a.empty()) return 0;
    int h = a.size(), w = a[0].size();
    for(int i : rep(h)) for(int j : rep(w)) cout << a[i][j] << (j != w - 1 ? ' ' : '\n');
    return 0;
}
#line 2 "cp-library/src/utility/key_val.hpp"
template < class K, class V >
struct key_val {
    K key; V val;
    key_val() {}
    key_val(K key, V val) : key(key), val(val) {}
};
#line 2 "cp-library/src/utility/vec_op.hpp"
template < class T >
key_val< int, T > max_of(const vector< T >& a) {
    int i = max_element(a.begin(), a.end()) - a.begin();
    return {i, a[i]};
}

template < class T >
key_val< int, T > min_of(const vector< T >& a) {
    int i = min_element(a.begin(), a.end()) - a.begin();
    return {i, a[i]};
}

template < class T >
T sum_of(const vector< T >& a) {
    T sum = 0;
    for(const T x : a) sum += x;
    return sum;
}

template < class T >
vector<int> freq_of(const vector< T >& a, T L, T R) {
    vector<int> res(R - L);
    for(const T x : a) res[x - L]++;
    return res;
}

template < class T >
vector<int> freq_of(const vector< T >& a, T R) {
    return freq_of(a, T(0), R);
}

template < class T >
struct prefix_sum {
    vector< T > s;
    prefix_sum(const vector< T >& a) : s(a) {
        s.insert(s.begin(), T(0));
        for(int i : rep(a.size())) s[i + 1] += s[i];
    }
    // [L, R)
    T sum(int L, int R) {
        return s[R] - s[L];
    }
};
#line 2 "B.cpp"

int main() {
    int X = in();
    int ans = 0;
    int M = 301;
    const int SZ = 1e8;
    vector<int> A(SZ, 0);
    for(int d : rep(M)) {
        int c = d;
        for(int a : rep(c + 1)) for(int b : rep(a, c + 1)) {
            A[a * a * a + b * b * b + c * c * c]++;
        }
        for(int e : rep(d, M)) for(int f : rep(e, M)) {
            int x = X - (d * d * d + e * e * e + f * f * f);
            if(0 <= x and x < SZ) ans += A[x];
        }
    }
    print(ans);
}
    
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