結果
問題 | No.1069 電柱 / Pole (Hard) |
ユーザー | Thistle |
提出日時 | 2020-05-29 23:43:46 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
MLE
|
実行時間 | - |
コード長 | 6,132 bytes |
コンパイル時間 | 2,629 ms |
コンパイル使用メモリ | 152,160 KB |
実行使用メモリ | 814,792 KB |
最終ジャッジ日時 | 2024-11-06 12:16:03 |
合計ジャッジ時間 | 6,865 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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テストケース
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testcase_00 | MLE | - |
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testcase_82 | -- | - |
ソースコード
#pragma GCC target ("avx") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #define _USE_MATH_DEFINES #include<iostream> #include<string> #include<queue> #include<cmath> #include<map> #include<set> #include<list> #include<iomanip> #include<vector> #include<random> #include<functional> #include<algorithm> #include<stack> #include<cstdio> #include<cstring> #include<bitset> #include<unordered_map> #include<climits> #include<fstream> #include<complex> #include<time.h> #include<cassert> #include<functional> #include<numeric> #include<tuple> using namespace std; using ll = long long; using ld = long double; #define int long long #define all(a) (a).begin(),(a).end() #define fs first #define sc second #define xx first #define yy second.first #define zz second.second #define C complex<ld> #define H pair<int, int> #define P pair<int, pair<int, int>> #define Q(i,j,k) mkp(i,mkp(j,k)) #define rng(i,s,n) for(int i = (s) ; i < (n) ; i++) #define rep(i,n) rng(i, 0, (n)) #define mkp make_pair #define vec vector #define pb emplace_back #define crdcomp(b) sort(all((b)));(b).erase(unique(all((b))),(b).end()) #define getidx(b,i) lower_bound(all(b),(i))-b.begin() #define ssp(i,n) (i==(int)(n)-1?"\n":" ") #define ctoi(c) (int)(c-'0') #define itoc(c) (char)(c+'0') #define cyes printf("Yes\n") #define cno printf("No\n") #define cdf(n) int quetimes_=(n);rep(qq123_,quetimes_) #define gcj printf("Case #%lld: ",qq123_+1) #define readv(a,n) a.resize(n,0);rep(i,(n)) a[i]=read() //#define endl "\n" constexpr int mod = 1e9 + 7; constexpr int Mod = 998244353; constexpr int MXN = 500000 + 100; constexpr ld EPS = 1e-10; constexpr ll inf = 3 * 1e18; constexpr int Inf = 15 * 1e8; const vec<int>dx{ -1,1,0,0 }, dy{ 0,0,-1,1 }; template<class T>bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; } template<class T>bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; } ll read() { ll u, k = scanf("%lld", &u); return u; } string reads() { string s; cin >> s; return s; } H readh(bool g = 0) { H u; int k = scanf("%lld %lld", &u.fs, &u.sc); if (g) u.fs--, u.sc--; return u; } bool ina(H t, int h, int w) { return 0 <= t.fs && t.fs < h && 0 <= t.sc && t.sc < w; } bool ina(int t, int l, int r) { return l <= t && t < r; } ll gcd(ll i, ll j) { return j ? gcd(j, i % j) : i; } ll mod_pow(ll x, ll n, ll p = mod) { ll res = 1; x %= p; while (n > 0) { if (n & 1) res = res * x % p; x = x * x % p; n >>= 1; } return res; }//x^n%p ll bitcount(ll x) { int sum = 0; for (int i = 0; i < 60; i++)if ((1ll << i) & x) sum++; return sum; } /*constexpr int fn_ = 5000005; ll fact_[fn_], comp_[fn_]; ll comb(ll x, ll y, ll m) { if (!fact_[0]) { fact_[0] = 1; comp_[0] = 1; for (int i = 1; i < fn_; i++) fact_[i] = fact_[i - 1] * i % m; comp_[fn_ - 1] = mod_pow(fact_[fn_ - 1], m - 2, m); for (int i = fn_ - 2; i > 0; i--) comp_iiiiiiiiiiiijijiii[i] = comp_[i + 1] * (i + 1) % m; } if (x < y) return 0; return fact_[x] * comp_[x - y] % m * comp_[y] % m; }*/ //-------------------------------------------------------------- struct edg { int to; ld cost; bool operator<(edg a) const{ return cost < a.cost; } bool operator>(edg a) const{ return cost > a.cost; } }; struct path { ld cst; vec<int>v; bool operator<(const path p) const{ return cst < p.cst; } }; int n, m, k; int st, ed; C d[3000]; vec<edg>e[3000]; vec<edg>f[3000]; vec<edg>h[3000]; ld c[3000]; void dijk(int st, int ed) { priority_queue<edg, vec<edg>, greater<edg>>p; rep(i, n) if (i != st) c[i] = inf; p.push(edg{ st,0 }); while (!p.empty()) { edg t = p.top(); p.pop(); for (auto g : e[t.to]) { if (c[g.to] > c[t.to] + g.cost) { c[g.to] = c[t.to] + g.cost; p.push(edg{ g.to,c[g.to] }); } } } } vec<int>patt(int st, int ed) { int pos = ed; vec<int>tmp; while (pos != st) { tmp.pb(pos); for (auto g : f[pos]) { if (c[g.to] == c[pos] + g.cost) { pos = g.to; break; } } } tmp.pb(st); reverse(all(tmp)); return tmp; } signed main() { cin >> n >> m >> k >> st >> ed; st--; ed--; rep(i, n) { int u, v; cin >> u >> v; d[i] = C( u,v ); } rep(i, m) { int u, v; cin >> u >> v; u--; v--; e[u].pb(edg{ v,abs(d[u] - d[v]) }); e[v].pb(edg{ u,abs(d[u] - d[v]) }); f[u].pb(edg{ v,abs(d[u] - d[v]) }); f[v].pb(edg{ u,abs(d[u] - d[v]) }); } vec<path> a,b; a.pb(path{ c[ed],patt(st,ed) }); rep(z, k - 1) { vec<int>pre = a.back().v; rep(i, pre.size()-1) { rep(i, n) e[i] = f[i]; for (auto gg : a) { vec<int>rt = gg.v; rep(j, min((ll)rt.size(),i + 1)) { if (pre[j] != rt[j]) { goto loop; } } for (auto& g : e[pre[i]]) { if (g.to == pre[i + 1]) g.cost = inf; } loop:; } dijk(pre[i], ed); vec<int>tmp; rep(j, i + 1) tmp.pb(pre[j]); vec<int>kk = patt(pre[i], ed); rep(j, kk.size()) tmp.pb(kk[j]); ld sum = 0; for (auto gg : b) { if (gg.v == tmp) goto roop; } rep(i, tmp.size() - 1) { for (auto g : e[tmp[i]]) { if (g.to == tmp[i + 1]) { sum += g.cost; break; } } } b.pb(path{ sum,tmp }); roop:; } auto it = b.begin(); for(auto it2=b.begin();it2!=b.end();it2++) { if ((*it).cst > (*it2).cst) it = it2; } a.pb(*it); b.erase(it); } cout << a.back().cst << endl; }