結果
問題 | No.1200 お菓子配り-3 |
ユーザー |
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提出日時 | 2020-08-28 22:06:57 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 2,918 bytes |
コンパイル時間 | 2,359 ms |
コンパイル使用メモリ | 195,420 KB |
最終ジャッジ日時 | 2025-01-13 17:45:21 |
ジャッジサーバーID (参考情報) |
judge1 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 29 WA * 2 |
ソースコード
#include <bits/stdc++.h>using namespace std;using ll = long long;using ld = long double;#define rep2(i, m, n) for (int i = (m); i < (n); ++i)#define rep(i, n) rep2(i, 0, n)#define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i)#define drep(i, n) drep2(i, n, 0)#define all(a) (a).begin(), (a).end()template<typename T = int> using V = vector<T>;template<typename T = int> using P = pair<T, T>;using Vi = V<int>;using Vl = V<ll>;using Vd = V<ld>;using Vb = V<bool>;using VVi = V<Vi>;using VVl = V<Vl>;using VVb = V<Vb>;using Pi = P<int>;using Pl = P<ll>;using Pd = P<ld>;template<typename T> vector<T> make_vec(size_t n, T a) { return vector<T>(n, a); }template<typename... Ts> auto make_vec(size_t n, Ts... ts) { return vector<decltype(make_vec(ts...))>(n, make_vec(ts...)); }template<typename T> inline int sz(T &x) { return x.size(); }template<typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; }template<typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; }template<typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; }template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { os << '(' << p.first << ", " << p.second << ')'; returnos; }template<typename T> istream &operator>>(istream &is, vector<T> &v) { for (auto &e : v) is >> e; return is; }template<typename T> ostream &operator<<(ostream &os, const vector<T> &v) { for (auto &e : v) os << e << ' '; return os; }template<typename T> inline int count_between(vector<T> &a, T l, T r) { return lower_bound(all(a), r) - lower_bound(all(a), l); } // [l, r)inline int fLog2(const ll x) { assert(x > 0); return 63-__builtin_clzll(x); } // floor(log2(x))inline int cLog2(const ll x) { assert(x > 0); return (x == 1) ? 0 : 64-__builtin_clzll(x-1); } // ceil(log2(x))inline int popcount(const ll x) { return __builtin_popcountll(x); }inline void fail() { cout << -1 << '\n'; exit(0); }struct fast_ios { fast_ios(){ cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_;// const int INF = 1<<30;// const ll INFll = 1ll<<60;// const ld EPS = 1e-10;// const ld PI = acos(-1.0);// const int MOD = int(1e9)+7;// const int MOD = 998244353;vector<ll> divisor(ll n) {vector<ll> res;for (ll i = 1; i*i <= n; ++i) {if (n%i != 0) continue;res.push_back(i);if (i*i != n) res.push_back(n/i);}return res;}int main() {int Q; cin >> Q;rep(_, Q) {ll x, y; cin >> x >> y;if (x < y) swap(x, y);ll a = x - y;ll b = x + y;ll ans = 0;for (auto d : divisor(a)) {if (b % (d+2)) continue;ll p = a / d;ll q = b / (d+2);if (p >= q) continue;if ((p+q)&1) continue;++ans;}cout << ans << '\n';}}