結果
問題 | No.2510 Six Cube Sum Counting |
ユーザー | 👑 AngrySadEight |
提出日時 | 2023-10-20 22:09:29 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
MLE
|
実行時間 | - |
コード長 | 4,833 bytes |
コンパイル時間 | 5,920 ms |
コンパイル使用メモリ | 238,644 KB |
実行使用メモリ | 1,130,712 KB |
最終ジャッジ日時 | 2024-09-20 19:12:10 |
合計ジャッジ時間 | 16,484 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 |
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testcase_00 | MLE | - |
testcase_01 | -- | - |
testcase_02 | -- | - |
testcase_03 | -- | - |
testcase_04 | -- | - |
testcase_05 | -- | - |
testcase_06 | -- | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <algorithm> #include <atcoder/all> #include <bitset> #include <cassert> #include <cmath> #include <ctime> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n)-1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector<int> #define vs vector<string> #define vc vector<char> #define vl vector<ll> #define vb vector<bool> #define vvi vector<vector<int>> #define vvc vector<vector<char>> #define vvl vector<vector<ll>> #define vvb vector<vector<bool>> #define vvvi vector<vector<vector<int>>> #define vvvl vector<vector<vector<ll>>> #define pii pair<int, int> #define pil pair<int, ll> #define pli pair<ll, int> #define pll pair<ll, ll> #define vpii vector<pair<int, int>> #define vpll vector<pair<ll, ll>> #define vvpii vector<vector<pair<int, int>>> #define vvpll vector<vector<pair<ll, ll>>> using mint = modint998244353; template <typename T> void debug(T e) { cerr << e << endl; } template <typename T> void debug(vector<T> &v) { rep(i, v.size()) { cerr << v[i] << " "; } cerr << endl; } template <typename T> void debug(vector<vector<T>> &v) { rep(i, v.size()) { rep(j, v[i].size()) { cerr << v[i][j] << " "; } cerr << endl; } } template <typename T> void debug(vector<pair<T, T>> &v) { rep(i, v.size()) { cerr << v[i].first << " " << v[i].second << endl; } } template <typename T> void debug(set<T> &st) { for (auto itr = st.begin(); itr != st.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(multiset<T> &ms) { for (auto itr = ms.begin(); itr != ms.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(map<T, T> &mp) { for (auto itr = mp.begin(); itr != mp.end(); itr++) { cerr << itr->first << " " << itr->second << endl; } } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << H << " "; debug_out(T...); } ll my_pow(ll x, ll n, ll mod) { // 繰り返し二乗法.x^nをmodで割った余り. ll ret; if (n == 0) { ret = 1; } else if (n % 2 == 1) { ret = (x * my_pow((x * x) % mod, n / 2, mod)) % mod; } else { ret = my_pow((x * x) % mod, n / 2, mod); } return ret; } ll inv(ll x, ll mod) { return my_pow(x, mod - 2, mod); } int main() { ll X; cin >> X; vector<vector<ll>> former(301, vector<ll>(0)); vector<vector<ll>> latter(301, vector<ll>(0)); for (ll i = 0; i <= 300; i++) { for (ll j = i; j <= 300; j++) { for (ll k = j; k <= 300; k++) { ll val = i * i * i + j * j * j + k * k * k; former[k].push_back(val); latter[i].push_back(val); } } } vector<vector<pll>> rle_former(301, vector<pll>(0)); vector<vector<pll>> rle_latter(301, vector<pll>(0)); for (ll i = 0; i <= 300; i++) { sort(all(former[i])); sort(all(latter[i])); } for (ll i = 0; i <= 300; i++) { for (ll j = 0; j < former[i].size(); j++) { if (j == 0) { rle_former[i].push_back(pll(former[i][j], 1)); } else if (former[i][j] != former[i][j - 1]) { rle_former[i].push_back(pll(former[i][j], 1)); } else { rle_former[i][rle_former[i].size() - 1].second++; } } } for (ll i = 0; i <= 300; i++) { for (ll j = 0; j < latter[i].size(); j++) { if (j == 0) { rle_latter[i].push_back(pll(latter[i][j], 1)); } else if (latter[i][j] != latter[i][j - 1]) { rle_latter[i].push_back(pll(latter[i][j], 1)); } else { rle_latter[i][rle_latter[i].size() - 1].second++; } } } unordered_map<ll, ll> mp; ll ans = 0; for (ll i = 300; i >= 0; i--) { for (ll j = 0; j < rle_latter[i].size(); j++) { mp[rle_latter[i][j].first] += rle_latter[i][j].second; } for (ll j = 0; j < rle_former[i].size(); j++) { ans += mp[X - rle_former[i][j].first] * rle_former[i][j].second; } } cout << ans << endl; }