結果
問題 | No.2376 障害物競プロ |
ユーザー | woodywoody |
提出日時 | 2023-07-07 23:44:26 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,494 ms / 4,000 ms |
コード長 | 7,511 bytes |
コンパイル時間 | 4,491 ms |
コンパイル使用メモリ | 248,836 KB |
実行使用メモリ | 10,752 KB |
最終ジャッジ日時 | 2024-07-21 20:08:57 |
合計ジャッジ時間 | 88,788 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 451 ms
6,940 KB |
testcase_05 | AC | 639 ms
6,944 KB |
testcase_06 | AC | 343 ms
6,940 KB |
testcase_07 | AC | 1,394 ms
8,192 KB |
testcase_08 | AC | 1,390 ms
7,932 KB |
testcase_09 | AC | 1,416 ms
8,064 KB |
testcase_10 | AC | 1,378 ms
8,192 KB |
testcase_11 | AC | 1,287 ms
8,064 KB |
testcase_12 | AC | 1,255 ms
8,192 KB |
testcase_13 | AC | 1,246 ms
8,060 KB |
testcase_14 | AC | 1,338 ms
7,996 KB |
testcase_15 | AC | 1,205 ms
7,812 KB |
testcase_16 | AC | 1,352 ms
8,004 KB |
testcase_17 | AC | 1,258 ms
7,936 KB |
testcase_18 | AC | 1,246 ms
8,192 KB |
testcase_19 | AC | 1,257 ms
10,612 KB |
testcase_20 | AC | 1,260 ms
10,388 KB |
testcase_21 | AC | 1,284 ms
10,396 KB |
testcase_22 | AC | 923 ms
7,040 KB |
testcase_23 | AC | 824 ms
6,940 KB |
testcase_24 | AC | 482 ms
6,940 KB |
testcase_25 | AC | 223 ms
6,944 KB |
testcase_26 | AC | 522 ms
6,940 KB |
testcase_27 | AC | 444 ms
5,632 KB |
testcase_28 | AC | 438 ms
5,376 KB |
testcase_29 | AC | 228 ms
5,376 KB |
testcase_30 | AC | 689 ms
5,504 KB |
testcase_31 | AC | 366 ms
5,376 KB |
testcase_32 | AC | 61 ms
5,376 KB |
testcase_33 | AC | 250 ms
6,940 KB |
testcase_34 | AC | 224 ms
5,376 KB |
testcase_35 | AC | 92 ms
5,376 KB |
testcase_36 | AC | 965 ms
6,400 KB |
testcase_37 | AC | 740 ms
6,784 KB |
testcase_38 | AC | 259 ms
5,376 KB |
testcase_39 | AC | 1,164 ms
7,296 KB |
testcase_40 | AC | 690 ms
5,376 KB |
testcase_41 | AC | 223 ms
5,376 KB |
testcase_42 | AC | 1,488 ms
10,752 KB |
testcase_43 | AC | 1,494 ms
10,672 KB |
ソースコード
#include<bits/stdc++.h> #include<atcoder/all> #define rep(i,b) for(int i=0;i<b;i++) #define rrep(i,b) for(int i=b-1;i>=0;i--) #define rep1(i,b) for(int i=1;i<b;i++) #define repx(i,x,b) for(int i=x;i<b;i++) #define rrepx(i,x,b) for(int i=b-1;i>=x;i--) #define fore(i,a) for(auto& i:a) #define rng(x) (x).begin(), (x).end() #define rrng(x) (x).rbegin(), (x).rend() #define sz(x) ((int)(x).size()) #define pb push_back #define fi first #define se second #define pcnt __builtin_popcountll using namespace std; using namespace atcoder; using ll = long long; using ld = long double; template<typename T> using mpq = priority_queue<T, vector<T>, greater<T>>; template<typename T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<typename T> bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } template<typename T> ll sumv(const vector<T>&a){ll res(0);for(auto&&x:a)res+=x;return res;} bool yn(bool a) { if(a) {cout << "Yes" << endl; return true;} else {cout << "No" << endl; return false;}} #define retval(x) {cout << #x << endl; return;} #define cout2(x,y) cout << x << " " << y << endl; #define coutp(p) cout << p.fi << " " << p.se << endl; #define out cout << ans << endl; #define outd cout << fixed << setprecision(20) << ans << endl; #define outm cout << ans.val() << endl; #define outv fore(yans , ans) cout << yans << "\n"; #define outdv fore(yans , ans) cout << yans.val() << "\n"; #define coutv(v) {fore(vy , v) {cout << vy << " ";} cout << endl;} #define coutv2(v) fore(vy , v) cout << vy << "\n"; #define coutvm(v) {fore(vy , v) {cout << vy.val() << " ";} cout << endl;} #define coutvm2(v) fore(vy , v) cout << vy.val() << "\n"; using pll = pair<ll,ll>;using pil = pair<int,ll>;using pli = pair<ll,int>;using pii = pair<int,int>;using pdd = pair<ld,ld>; using vi = vector<int>;using vd = vector<ld>;using vl = vector<ll>;using vs = vector<string>;using vb = vector<bool>; using vpii = vector<pii>;using vpli = vector<pli>;using vpll = vector<pll>;using vpil = vector<pil>; using vvi = vector<vector<int>>;using vvl = vector<vector<ll>>;using vvs = vector<vector<string>>;using vvb = vector<vector<bool>>; using vvpii = vector<vector<pii>>;using vvpli = vector<vector<pli>>;using vvpll = vector<vpll>;using vvpil = vector<vpil>; using mint = modint998244353; //using mint = modint1000000007; //using mint = dynamic_modint<0>; using vm = vector<mint>; using vvm = vector<vector<mint>>; vector<int> dx={1,0,-1,0,1,1,-1,-1},dy={0,1,0,-1,1,-1,1,-1}; ll gcd(ll a, ll b) { return a?gcd(b%a,a):b;} ll lcm(ll a, ll b) { return a/gcd(a,b)*b;} #define yes {cout <<"Yes"<<endl;} #define no {cout <<"No"<<endl;} const double eps = 1e-10; const ll LINF = 1001002003004005006ll; const int INF = 1001001001; #ifdef MY_LOCAL_DEBUG #define show(x) cerr<<#x<<" = "<<x<<endl #define showp(p) cerr<<#p<<" = "<<p.fi<<" : "<<p.se<<endl #define show2(x,y) cerr<<#x<<" = "<<x<<" : "<<#y<<" = "<<y<<endl #define show3(x,y,z) cerr<<#x<<" = "<<x<<" : "<<#y<<" = "<<y<<" : "<<#z<<" = "<<z<<endl #define show4(x,y,z,x2) cerr<<#x<<" = "<<x<<" : "<<#y<<" = "<<y<<" : "<<#z<<" = "<<z<<" : "<<#x2<<" = "<<x2<<endl #define test(x) cout << "test" << x << endl #define showv(v) {fore(vy , v) {cout << vy << " ";} cout << endl;} #define showv2(v) fore(vy , v) cout << vy << "\n"; #define showvm(v) {fore(vy , v) {cout << vy.val() << " ";} cout << endl;} #define showvm2(v) fore(vy , v) cout << vy.val() << "\n"; #else #define show(x) #define showp(p) #define show2(x,y) #define show3(x,y,z) #define show4(x,y,z,x2) #define test(x) #define showv(v) #define showv2(v) #define showvm(v) #define showvm2(v) #endif typedef complex<ld> pt; ld dot(pt a, pt b) { return real(conj(a) * b); } ld cross(pt a, pt b) { return imag(conj(a) * b); } namespace std { bool operator<(const pt& lhs, const pt& rhs) { return lhs.real() == rhs.real() ? lhs.imag() < rhs.imag() : lhs.real() < rhs.real(); } } struct Line { pt a, b; Line(pt a,pt b) : a(a),b(b){} }; struct Circle { pt p; ld r; Circle(pt p,ld r) : p(p),r(r){} }; int ccw(pt a, pt b, pt c) { b -= a; c -= a; if (cross(b, c) > eps)return 1;//counter clockwise if (cross(b, c) < -eps)return -1;//clock wise if (dot(b, c) < 0)return 2;//c--a--b on line if (norm(b) < norm(c))return -2;//a--b--c on line return 0; //a--c--b on line } bool eq(ld a, ld b) { return abs(a - b) < eps; } //2直線の交差判定 bool is_ll(Line l, Line m) { return !eq(cross(l.b - l.a, m.b - m.a), 0); } //直線と線分の交差判定 bool is_ls(Line l, Line s) { return (cross(l.b - l.a, s.a - l.a) * cross(l.b - l.a, s.b - l.a) < eps); } //点が直線上に存在するか bool is_lp(Line l, pt p) { return (abs(cross(l.b - p, l.a - p)) < eps); } //点が線分上に存在するか bool is_sp(Line s, pt p) { //誤差がis_lpに比べて大きいので、できるだけis_lpを使う return (abs(s.a - p) + abs(s.b - p) - abs(s.b - s.a) < eps); } //線分と線分の交差判定 bool is_ss(Line s, Line t) { return ccw(s.a, s.b, t.a) * ccw(s.a, s.b, t.b) <= 0 && ccw(t.a, t.b, s.a) * ccw(t.a, t.b, s.b) <= 0; } //点から直線への垂線の足 pt proj(Line l, pt p) { ld t = dot(p - l.a, l.a - l.b) / norm(l.a - l.b); return l.a + t * (l.a - l.b); } //直線と直線の交点 //平行な2直線に対しては使うな!!!! pt inter_ll(Line s, Line t) { pt sv = s.b - s.a; pt tv = t.b - t.a; return s.a + sv * cross(tv, t.a - s.a) / cross(tv, sv); } //直線と点の距離 ld dist_lp(Line l, pt p) { return abs(p - proj(l, p)); } //円と直線の交点 vector<pt> is_lc(Circle c, Line l) { vector<pt> res; ld d = dist_lp(l, c.p); if (d > c.r + eps)return res; ld len = (d > c.r) ? 0.0 : sqrt(c.r * c.r - d * d); pt norr = (l.a - l.b) / abs(l.a - l.b); res.push_back(proj(l, c.p) + len * norr); res.push_back(proj(l, c.p) - len * norr); return res; } struct edge{ int from,to; ld cost; edge(int from_=0,int to_=0,ld cost_=0) : from(from_),to(to_),cost(cost_) {} }; void solve(){ int n,m; cin>>n>>m; vector<vector<edge>> e(n*2); vector<pt> p(n*2); rep(i,n){ rep(j,2){ int a,b; cin>>a>>b; p[n*j + i] = pt(a,b); } } auto distf = [&](int i,int j)->ld{ pt ptmp = p[i]-p[j]; ll ret = dot(ptmp,ptmp); ld retf = sqrtl(ret); return retf; }; rep(i,n) rep(ic,2){ rep(j,n) rep(jc,2){ Line l1(p[i+ic*n],p[j+jc*n]); bool ok = true; rep(k,n){ if (k == i) continue; if (k == j) continue; Line l2(p[k],p[k+n]); if (is_ss(l1,l2)) ok = false; } if (!ok) continue; int from = i+ic*n; int to = j+jc*n; if (from==to) continue; ld cost = distf(from,to); assert(cost>0); e[i+ic*n].pb(edge(from, to, cost)); } } vector<vd> dist(n*2,vd(n*2,LINF)); rep(i,n*2){ mpq<pair<ld,int>> q; int st = i; dist[st][st] = 0; q.push({dist[st][st] , st}); while(!q.empty()){ pair<ld,int> p = q.top(); q.pop(); ld dist_dum = p.first; int from = p.second; if (dist[st][from] < dist_dum) continue; fore(ey , e[from]){ int to = ey.to; ld cost = ey.cost; if (chmin(dist[st][to] , dist_dum + cost)){ q.push({dist[st][to] , to}); } } } } vd ans(m); rep(i,m){ vi sg(2); rep(j,2){ int a,b; cin>>a>>b; a--; b--; sg[j] = a + b*n; } ans[i] = dist[sg[0]][sg[1]]; assert(ans[i]<LINF-eps); } cout << fixed << setprecision(20); rep(i,m) cout << ans[i] << endl; return; } int main(){ ios::sync_with_stdio(false); cin.tie(0); int t = 1; //cin>>t; rep(i,t){ solve(); } return 0; }