結果
| 問題 |
No.2630 Colorful Vertices and Cheapest Paths
|
| コンテスト | |
| ユーザー |
ゆにぽけ
|
| 提出日時 | 2024-02-16 21:59:56 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 312 ms / 2,500 ms |
| コード長 | 7,999 bytes |
| コンパイル時間 | 1,498 ms |
| コンパイル使用メモリ | 142,584 KB |
| 最終ジャッジ日時 | 2025-02-19 13:58:19 |
|
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| other | AC * 22 |
ソースコード
#include <iostream>
#include <vector>
#include <algorithm>
#include <array>
#include <iterator>
#include <string>
#include <cctype>
#include <cstring>
#include <cstdlib>
#include <cassert>
#include <cmath>
#include <ctime>
#include <iomanip>
#include <numeric>
#include <stack>
#include <queue>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <bitset>
#include <random>
#include <utility>
#include <functional>
using namespace std;
template<class T>
inline bool chmin(T &a,const T &b)
{
if(a > b)
{
a = b;
return true;
}
return false;
}
template<class T>
inline bool chmax(T &a,const T &b)
{
if(a < b)
{
a = b;
return true;
}
return false;
}
template<class T>
void print(const vector<T> &V)
{
for(int i = 0;i < (int)V.size();i++)
{
cerr << V[i] << (i + 1 == (int)V.size() ? "\n":" ");
}
}
#include <iostream>
#include <vector>
#include <algorithm>
#include <cstdlib>
#include <cassert>
#include <cmath>
using namespace std;
namespace geometry
{
using real = long double;
const real EPS = 1e-9;
bool EQ(real a,real b)
{
return abs(a - b) < EPS;
}
struct Point
{
real x,y;
Point(real x_ = 0,real y_ = 0) : x(x_),y(y_) {}
Point operator-() const
{
return Point(-x,-y);
}
Point operator+(const Point &rhs) const
{
return Point(x + rhs.x,y + rhs.y);
}
Point operator-(const Point &rhs) const
{
return Point(x - rhs.x,y - rhs.y);
}
Point operator*(const real k) const
{
return Point(x * k,y * k);
}
Point operator/(const real k) const
{
assert(!EQ(0,k));
return Point(x / k,y / k);
}
bool operator<(const Point &rhs) const
{
return EQ(x,rhs.x) ? y < rhs.y : x < rhs.x;
}
bool operator==(const Point &rhs) const
{
return EQ(x,rhs.x) && EQ(y,rhs.y);
}
};
istream &operator>>(istream &is,Point &p)
{
return is >> p.x >> p.y;
}
ostream &operator<<(ostream &os,const Point &p)
{
return os << p.x << " " << p.y;
}
struct Line
{
Point p1,p2;
Line(Point p1_ = Point(),Point p2_ = Point()) : p1(p1_),p2(p2_) {}
};
struct Segment : Line
{
Segment(Point p1_ = Point(),Point p2_ = Point()) : Line(p1_,p2_) {}
};
struct Circle
{
Point O;
real r;
Circle(Point O_ = Point(),real r_ = 0) : O(O_),r(r_) {}
};
using Polygon = vector<Point>;
Point vec(const Line &l)
{
return l.p2 - l.p1;
}
real norm2(const Point &p)
{
return p.x * p.x + p.y * p.y;
}
real abs(const Point &p)
{
return hypot(p.x,p.y);
}
real dot(const Point &a,const Point &b)
{
return a.x * b.x + a.y * b.y;
}
real cross(const Point &a,const Point &b)
{
return a.x * b.y - a.y * b.x;
}
Point rotate(const Point &p,const real &theta)
{
return Point(p.x * cos(theta) - p.y * sin(theta), p.x * sin(theta) + p.y * cos(theta));
}
Point rotate(const Point &a,const Point &p,const real &theta)
{
Point q = rotate(p - a,theta);
return a + q;
}
enum
{
ONLINE_FRONT = -2,
CLOCKWISE= -1,
ON_SEGMENT = 0,
COUNTER_CLOCKWISE = 1,
ONLINE_BACK = 2
};
int ccw(const Point &a,const Point &b)
{
real C = cross(a,b);
return C > EPS ? COUNTER_CLOCKWISE : C < -EPS ? CLOCKWISE : dot(a,b) < -EPS ? ONLINE_BACK : norm2(b) - norm2(a) > EPS ? ONLINE_FRONT : ON_SEGMENT;
}
int ccw(const Point &a,const Point &b,const Point &c)
{
return ccw(b - a,c - a);
}
bool orthogonal(const Point &a,const Point &b)
{
return EQ(dot(a,b),0);
}
bool orthogonal(const Line &a,const Line &b)
{
return orthogonal(vec(a),vec(b));
}
bool parallel(const Point &a,const Point &b)
{
return EQ(cross(a,b),0);
}
bool parallel(const Line &a,const Line &b)
{
return parallel(vec(a),vec(b));
}
bool intersect(const Line &l,const Point &p)
{
return parallel(vec(l),p - l.p1);
}
bool intersect(const Segment &s,const Point &p)
{
return ccw(s.p1,s.p2,p) == ON_SEGMENT;
}
bool intersect(const Segment &a,const Segment &b)
{
return ccw(a.p1,a.p2,b.p1) * ccw(a.p1,a.p2,b.p2) <= 0 && ccw(b.p1,b.p2,a.p1) * ccw(b.p1,b.p2,a.p2) <= 0;
}
Point cross_point(const Line &a,const Line &b)
{
real s1 = cross(vec(a),b.p1 - a.p1);
real s2 = -cross(vec(a),b.p2 - a.p1);
return b.p1 + vec(b) * (s1 / (s1 + s2));
}
Point crossPoint(const Line &s, const Line &t) {
real d1 = cross(s.p2 - s.p1, t.p2 - t.p1);
real d2 = cross(s.p2 - s.p1, s.p2 - t.p1);
if(EQ(abs(d1), 0) && EQ(abs(d2), 0)) {
return t.p1;
}
return t.p1 + (t.p2 - t.p1) * (d2 / d1);
}
enum
{
OUT,
ON,
IN
};
Polygon convex_hull(Polygon P,bool ONLINE = false,bool SORT = false)
{
if((int)P.size() <= 2)
{
return P;
}
sort(P.begin(),P.end());
Polygon res(2 * P.size());
int sz = 0;
real threshold = EPS;
if(ONLINE)
{
threshold = -EPS;
}
for(int i = 0;i < (int)P.size();i++)
{
while(sz >= 2 && cross(res[sz - 1] - res[sz - 2],P[i] - res[sz - 1]) < threshold)
{
sz--;
}
res[sz++] = P[i];
}
for(int i = (int)P.size() - 2,t = sz + 1;i >= 0;i--)
{
while(sz >= t && cross(res[sz - 1] - res[sz - 2],P[i] - res[sz - 1]) < threshold)
{
sz--;
}
res[sz++] = P[i];
}
res.resize(sz - 1);
if(SORT)
{
int mi = 0;
for(int i = 1;i < (int)res.size();i++)
{
if((EQ(res[mi].y,res[i].y) && res[mi].x > res[i].x) || res[mi].y > res[i].y)
{
mi = i;
}
}
rotate(res.begin(),res.begin() + mi,res.end());
}
return res;
}
int convex_contain(const Polygon &P,const Point &p)
{
if(P[0] == p)
{
return ON;
}
int L = 0,R = (int)P.size();
while(R - L > 1)
{
int M = (L + R) / 2;
if(ccw(P[0],P[M],p) == CLOCKWISE)
{
R = M;
}
else
{
L = M;
}
}
if(R == 1)
{
return OUT;
}
if(L + 1 == (int)P.size())
{
if(intersect(Segment(P[0],P[L]),p))
{
return ON;
}
return OUT;
}
if(L == 1)
{
if(intersect(Segment(P[0],P[L]),p))
{
return ON;
}
}
real tri = cross(P[L] - p,P[R] - p);
return EQ(tri,0) ? ON : tri < -EPS ? OUT : IN;
}
}; //namespace geometry
#include<algorithm>
#include<vector>
#include<cassert>
using namespace std;
struct UnionFind
{
private:
int n;
vector<int> par,siz;
public:
UnionFind(int n) :n(n),par(n,-1),siz(n,1) {}
int root(int u)
{
assert(0 <= u && u < n);
return (par[u] < 0 ? u:par[u] = root(par[u]));
}
bool same(int u,int v)
{
assert(0 <= u && u < n && 0 <= v && v < n);
return root(u) == root(v);
}
bool unite(int u,int v)
{
assert(0 <= u && u < n && 0 <= v && v < n);
u = root(u),v = root(v);
if(u == v) return false;
if(siz[u] < siz[v]) swap(u,v);
siz[u] += siz[v];
par[v] = u;
return true;
}
int size(int u)
{
assert(0 <= u && u < n);
return siz[root(u)];
}
vector<vector<int>> components()
{
vector<vector<int>> ret(n);
for(int u = 0;u < n;u++) ret[root(u)].push_back(u);
ret.erase(remove_if(ret.begin(),ret.end(),[](vector<int> v) { return v.empty();}),ret.end());
return ret;
}
};
void Main()
{
int N,M;
cin >> N >> M;
vector<int> A(M),B(M);
for(int i = 0;i < M;i++)
{
cin >> A[i] >> B[i];
A[i]--; B[i]--;
}
vector<int> C(N);
for(int i = 0;i < N;i++)
{
cin >> C[i];
C[i]--;
}
const int K = 10;
vector<int> W(K);
for(int i = 0;i < K;i++)
{
cin >> W[i];
}
int Q;
cin >> Q;
vector<int> U(Q),V(Q);
vector<long long> ans(Q,(long long)1e18);
for(int i = 0;i < Q;i++)
{
cin >> U[i] >> V[i];
U[i]--; V[i]--;
}
for(int S = 0;S < 1 << K;S++)
{
UnionFind uf(N);
long long cur = 0;
for(int i = 0;i < K;i++)
{
if(S >> i & 1)
{
cur += W[i];
}
}
for(int i = 0;i < M;i++)
{
if((S >> C[A[i]] & 1) && (S >> C[B[i]] & 1))
{
uf.unite(A[i],B[i]);
}
}
for(int i = 0;i < Q;i++)
{
if(uf.same(U[i],V[i]))
{
ans[i] = min(ans[i],cur);
}
}
}
for(int i = 0;i < Q;i++)
{
if(ans[i] == (long long)1e18)
{
ans[i] = -1;
}
cout << ans[i] << "\n";
}
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
int tt = 1;
/* cin >> tt; */
while(tt--) Main();
}
ゆにぽけ