結果
| 問題 |
No.800 四平方定理
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-03-17 23:23:28 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,117 bytes |
| コンパイル時間 | 995 ms |
| コンパイル使用メモリ | 109,548 KB |
| 実行使用メモリ | 114,164 KB |
| 最終ジャッジ日時 | 2024-07-08 02:57:13 |
| 合計ジャッジ時間 | 9,338 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 WA * 1 |
| other | AC * 3 WA * 27 |
ソースコード
#include <iostream>
#include <fstream>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <algorithm>
#include <numeric>
#include <functional>
#include <string>
#include <vector>
#include <bitset>
#include <map>
#include <set>
#include <stack>
#include <queue>
#include <deque>
#include <random>
using namespace std;
using ll = long long;
using ull = unsigned long long;
#define REP(i,n) for(long long i = 0; i < (n); i++)
#define FOR(i, m, n) for(long long i = (m);i < (n); ++i)
#define ALL(obj) (obj).begin(),(obj).end()
template<class T> using V = vector<T>;
template<class T, class U> using P = pair<T, U>;
const ll MOD = (ll)1e9 + 7;
const ll MOD2 = 998244353;
const ll LLINF = (ll)1e18;
const ll INTINF = (ll)1e9;
const long double PI = 3.1415926535897932384626433;
template <class T> void corner(bool flg, T hoge) { if (flg) { cout << hoge << endl; exit(0); } }
template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) { o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x.second << "}" << ","; o << " }"; return o; }
template <class T>ostream &operator<<(ostream &o, const set<T>&obj) { o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o; }
template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) { o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o; }
template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) { o << "{" << obj.first << ", " << obj.second << "}"; return o; }
template <template <class tmp> class T, class U> ostream &operator<<(ostream &o, const T<U> &obj) { o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr)o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o; }
void print(void) { cout << endl; }
template <class Head> void print(Head&& head) { cout << head; print(); }
template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) { cout << head << " "; print(forward<Tail>(tail)...); }
template <class T> void chmax(T& a, const T b) { a = max<T>(a, b); }
template <class T> void chmin(T& a, const T b) { a = min<T>(a, b); }
void YN(bool flg) { cout << ((flg) ? "YES" : "NO") << endl; }
void Yn(bool flg) { cout << ((flg) ? "Yes" : "No") << endl; }
void yn(bool flg) { cout << ((flg) ? "yes" : "no") << endl; }
int main() {
V<P<int, int>> c(8000000 + 1, { -1,-1 });
ll N,D; cin >> N >> D;
for(int i = 1; i <= N; ++i){
for(int j = i; j <= N; ++j){
c[i*i + j*j] = {i,j};
}
}
map<V<int>,int> mp;
ll ans = 0;
for(int w = 1; w <= N; ++w){
for (int i = 1; i <= N; ++i) {
int z = i;
int t = w*w - z*z + D;
if (t > 0 && c[t].first != -1) {
V<int> tmp = { c[t].first,c[t].second,z };
sort(ALL(tmp));
tmp.push_back(w);
if (mp[tmp]>0) continue;
mp[tmp]++;
if (tmp[0] == tmp[2]) ans += 1;
else if (tmp[0] == tmp[1] && tmp[1] != tmp[2]) ans += 3;
else if (tmp[0] != tmp[1] && tmp[1] == tmp[2]) ans += 3;
else ans += 6;
}
}
}
cout << ans << endl;
return 0;
}