結果
問題 | No.2510 Six Cube Sum Counting |
ユーザー |
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提出日時 | 2024-09-14 16:46:59 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 1,209 ms / 4,000 ms |
コード長 | 3,206 bytes |
コンパイル時間 | 2,920 ms |
コンパイル使用メモリ | 189,972 KB |
最終ジャッジ日時 | 2025-02-24 08:36:26 |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 26 |
ソースコード
#pragma GCC optimize("Ofast,unroll-loops")#include<iostream>#include<string>#include<vector>#include<algorithm>#include<numeric>#include<cmath>#include<utility>#include<tuple>#include<cstdint>#include<cstdio>#include<iomanip>#include<map>#include<queue>#include<set>#include<stack>#include<deque>#include<unordered_map>#include<unordered_set>#include<bitset>#include<cctype>#include<chrono>#include<random>#include<cassert>#include<cstddef>#include<iterator>#include<string_view>#include<type_traits>#ifdef LOCAL# include "debug_print.hpp"# define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__)#else# define debug(...) (static_cast<void>(0))#endifusing namespace std;#define rep(i,n) for(int i=0; i<(n); i++)#define rrep(i,n) for(int i=(n)-1; i>=0; i--)#define FOR(i,a,b) for(int i=(a); i<(b); i++)#define RFOR(i,a,b) for(int i=(b-1); i>=(a); i--)#define ALL(v) v.begin(), v.end()#define RALL(v) v.rbegin(), v.rend()#define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() );#define pb push_backusing ll = long long;using D = double;using LD = long double;using P = pair<int, int>;template<typename T> using PQ = priority_queue<T,vector<T>>;template<typename T> using minPQ = priority_queue<T, vector<T>, greater<T>>;template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }void yesno(bool flag) {cout << (flag?"Yes":"No") << "\n";}template<typename T, typename U>ostream &operator<<(ostream &os, const pair<T, U> &p) {os << p.first << " " << p.second;return os;}template<typename T, typename U>istream &operator>>(istream &is, pair<T, U> &p) {is >> p.first >> p.second;return is;}template<typename T>ostream &operator<<(ostream &os, const vector<T> &v) {int s = (int)v.size();for (int i = 0; i < s; i++) os << (i ? " " : "") << v[i];return os;}template<typename T>istream &operator>>(istream &is, vector<T> &v) {for (auto &x : v) is >> x;return is;}void in() {}template<typename T, class... U>void in(T &t, U &...u) {cin >> t;in(u...);}void out() { cout << "\n"; }template<typename T, class... U, char sep = ' '>void out(const T &t, const U &...u) {cout << t;if (sizeof...(u)) cout << sep;out(u...);}void outr() {}template<typename T, class... U, char sep = ' '>void outr(const T &t, const U &...u) {cout << t;outr(u...);}#include <ext/pb_ds/assoc_container.hpp>#include <ext/pb_ds/tree_policy.hpp>using namespace __gnu_pbds;gp_hash_table<int,int> mp[301];gp_hash_table<int,int> mp2;int main(){ios_base::sync_with_stdio(false);cin.tie(nullptr);int x; in(x);rep(a,301)FOR(b,a,301)FOR(c,b,301){int r = a*a*a+b*b*b+c*c*c;if(r+c*c*c*3 <= x){mp[c][r]++;}}int ans = 0;rep(d,301){for(auto [k,v] : mp[d]) mp2[k] += v;FOR(e,d,301)FOR(f,e,301){int r = d*d*d+e*e*e+f*f*f;auto it = mp2.find(x-r);if(it!=mp2.end()) ans += it->second;}}out(ans);}