結果

問題 No.2564 衝突予測
ユーザー あべし
提出日時 2023-12-02 15:05:28
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 62 ms / 2,000 ms
コード長 6,749 bytes
コンパイル時間 2,105 ms
コンパイル使用メモリ 201,252 KB
最終ジャッジ日時 2025-02-18 04:14:02
ジャッジサーバーID
(参考情報)
judge2 / judge1
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 9
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 #
プレゼンテーションモードにする

#include<bits/stdc++.h>
using namespace std;
// macro
#define rep(i, N) for(ll i = 0; i < (ll)(N); ++i)
#define per(i, N) for(ll i = (ll)(N) - 1; i >= 0; --i)
#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()
#define bit(n, k) (((n) >> (k)) & 1)
#define pcnt(n) (bitset<64>(n).count())
#define endl '\n'
#define fi first
#define se second
#define mkpr make_pair
#define mktpl make_tuple
#define eb emplace_back
// input/output
template<class T> istream& operator>>(istream& is, vector<T>& V){
for(auto& it : V) is >> it;
return is;
}
template<class T> ostream& operator<<(ostream& os, vector<T>& V){
for(int i = 0; i < (int)V.size(); i++){
os << V[i];
os << (i + 1 != (int)V.size() ? " " : "");
}
return os;
}
template<class T1, class T2> istream& operator>>(istream& is, pair<T1, T2>& P){
is >> P.first >> P.second;
return is;
}
template<class T1, class T2> ostream& operator<<(ostream& os, pair<T1, T2> P){
os << P.first << " " << P.second << "";
return os;
}
// setup
void set_fast_ios(size_t precision){
cin.tie(nullptr);
ios_base::sync_with_stdio(false);
cout << fixed << setprecision(precision);
cerr << fixed << setprecision(precision);
}
// make_vector
template <class T>
vector<T> make_vector(size_t a, T b) {
return vector<T>(a, b);
}
template <class... Ts>
auto make_vector(size_t a, Ts... ts) {
return vector<decltype(make_vector(ts...))>(a, make_vector(ts...));
}
// debug
#ifdef LOCAL
#define debug(x) cerr << "line"<< __LINE__ << ": " << #x << " = " << x << '\n'
#define debugln() cerr << "line" << __LINE__ << ": passed.\n"
#else
#define debug(x, ...) void(0)
#define debugln() void(0)
#endif
// type
using ll = long long;
using ull = unsigned long long;
using ld = double;
using i128 = __int128_t;
using State = string::iterator;
using Pair = pair<ll, ll>;
using Tuple = tuple<ll, ll, ll>;
template<class T> using max_heap = priority_queue<T>;
template<class T> using min_heap = priority_queue<T, vector<T>, greater<T>>;
template<class T> using vec = vector<T>;
template<class T> using vvec = vec<vec<T>>;
template<class T> using vvvec = vec<vvec<T>>;
// constant
constexpr ll INF = 1001001001;
constexpr ll LINF = 1001001001001001001ll;
constexpr ll MOD998 = 998244353;
constexpr ll MOD107 = (ll)(1e9+7);
constexpr ll NIL = -1;
constexpr ll pm[2] = {1, -1};
constexpr ll dy[4] = {0, 1, 0, -1};
constexpr ll dx[4] = {1, 0, -1, 0};
constexpr ll dy8[8] = {0, 1, 1, 1, 0, -1, -1, -1};
constexpr ll dx8[8] = {1, 1, 0, -1, -1, -1, 0, 1};
// function
ll Gcd(ll a, ll b){ return b ? Gcd(b, a % b) : abs(a);}
ll Lcm(ll a, ll b){ return a / Gcd(a, b) * b;}
template<class T> T powi(T x, ll exp){
return exp > 0 ? (exp & 1 ? x : 1) * powi(x * x, exp >> 1) : x / x;
}
ll modpow(ll x, ll exp, ll mod){
x %= mod;
return exp > 0 ? (exp & 1 ? x : 1) * modpow(x * x, exp >> 1, mod) % mod : 1;
}
template<class T> bool chmin(T &a, T b){ return a > b ? (a = b, true) : 0;}
template<class T> bool chmax(T &a, T b){ return a < b ? (a = b, true) : 0;}
// modint
template <int mod> struct modint{
long long x;
modint() : x(0) {}
modint(long long _x){ x = _x % mod; if(x < 0) x += mod; }
constexpr modint operator-() const { return modint(-x); }
constexpr modint& operator+=(const modint& a){ if ((x += a.x) >= mod) x -= mod; return *this; }
constexpr modint& operator-=(const modint& a){ if ((x += mod - a.x) >= mod) x -= mod; return *this; }
constexpr modint& operator*=(const modint& a){ (x *= a.x) %= mod; return *this; }
constexpr modint& operator/=(const modint& a){ return (*this) *= a.mpow(mod-2); }
constexpr modint operator+(const modint& a) const { return modint(*this) += a; }
constexpr modint operator-(const modint& a) const { return modint(*this) -= a; }
constexpr modint operator*(const modint& a) const { return modint(*this) *= a; }
constexpr modint operator/(const modint& a) const { return modint(*this) /= a; }
constexpr bool operator==(const modint& a) const { return (*this).x == a.x; }
constexpr bool operator!=(const modint& a) const { return (*this).x != a.x; }
constexpr const modint mpow(long long exp) const {
modint res(1), x = *this;
for(; exp; exp >>= 1){
if(exp & 1) res *= x;
x *= x;
}
return res;
}
friend istream& operator>>(istream& is, modint& m){ is >> m.x; m = modint<mod>(m.x); return is; }
friend ostream& operator<<(ostream& os, const modint& m){ os << m.x; return os; }
bool operator<(const modint& a) const { return (*this).x < a.x; }
};
constexpr ll MOD = MOD998;
using mint = modint<MOD>;
template<class T> class UnionFind{
vector<int> par, rank;
vector<T> dat;
void merge(int p, int u){
dat[p] += dat[u];
}
public:
UnionFind() = default;
UnionFind(int N) : par(N), rank(N, 0), dat(N, 1) {
for(int i = 0; i < N; i++) par[i] = i;
}
UnionFind(int N, vector<T>& V) : par(N), rank(N, 0), dat(N) {
for(int i = 0; i < N; i++) par[i] = i;
for(int i = 0; i < N; i++) dat[i] = V[i];
}
void unite(int x, int y){
x = find(x), y = find(y);
if(x == y) return;
if(rank[y] <= rank[x]){
if(rank[x] == rank[y]) rank[x]++;
swap(x, y);
}
par[x] = y;
merge(y, x);
}
int find(int x){
if(par[x] == x) return x;
else{
dat[x] = dat[par[x] = find(par[x])];
return par[x];
}
}
const T &operator[](int x){
return dat[find(x)];
}
bool same(int x, int y){
return find(x) == find(y);
}
};
int main(){
set_fast_ios(15);
map<char, int> mp;
mp['R'] = 0;
mp['U'] = 1;
mp['L'] = 2;
mp['D'] = 3;
const string u = "RULD";
auto rot90 = [&](int& x, int& y, int& d){
int tmpx = x, tmpy = y;
x = -tmpy;
y = tmpx;
d = (d + 1) % 4;
};
int T; cin >> T;
while(T--){
int x0, y0, x1, y1;
char c0, c1;
cin >> x0 >> y0 >> c0;
cin >> x1 >> y1 >> c1;
int d0 = mp[c0];
int d1 = mp[c1];
x1 -= x0, y1 -= y0;
x0 = y0 = 0;
while(d0 != 0){
rot90(x0, y0, d0);
rot90(x1, y1, d1);
}
debug(x0 << " " << y0 << " " << d0);
debug(x1 << " " << y1 << " " << d1);
// RULD
bool ans = 0;
if(d1 == 2 && x1 > 0 && y1 == 0) ans = 1; // L
if(d1 == 1 && x1 > 0 && y1 < 0 && abs(x1) == abs(y1)) ans = 1; // U
if(d1 == 3 && x1 > 0 && y1 > 0 && abs(x1) == abs(y1)) ans = 1; // D
cout << (ans ? "Yes" : "No") << endl;
}
}
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