結果
問題 | No.2200 Weird Shortest Path |
ユーザー | akua |
提出日時 | 2023-01-28 19:36:08 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 442 ms / 2,000 ms |
コード長 | 5,640 bytes |
コンパイル時間 | 1,960 ms |
コンパイル使用メモリ | 150,056 KB |
実行使用メモリ | 90,188 KB |
最終ジャッジ日時 | 2024-06-28 22:05:36 |
合計ジャッジ時間 | 21,547 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | 338 ms
81,444 KB |
testcase_01 | AC | 338 ms
81,408 KB |
testcase_02 | AC | 345 ms
81,528 KB |
testcase_03 | AC | 345 ms
81,300 KB |
testcase_04 | AC | 338 ms
81,536 KB |
testcase_05 | AC | 338 ms
81,372 KB |
testcase_06 | AC | 339 ms
81,408 KB |
testcase_07 | AC | 338 ms
81,408 KB |
testcase_08 | AC | 341 ms
81,512 KB |
testcase_09 | AC | 338 ms
81,408 KB |
testcase_10 | AC | 335 ms
81,356 KB |
testcase_11 | AC | 338 ms
81,388 KB |
testcase_12 | AC | 339 ms
81,280 KB |
testcase_13 | AC | 337 ms
81,408 KB |
testcase_14 | AC | 337 ms
81,308 KB |
testcase_15 | AC | 337 ms
81,408 KB |
testcase_16 | AC | 344 ms
81,408 KB |
testcase_17 | AC | 367 ms
83,848 KB |
testcase_18 | AC | 382 ms
85,800 KB |
testcase_19 | AC | 412 ms
90,060 KB |
testcase_20 | AC | 412 ms
89,760 KB |
testcase_21 | AC | 365 ms
85,472 KB |
testcase_22 | AC | 375 ms
85,740 KB |
testcase_23 | AC | 442 ms
90,184 KB |
testcase_24 | AC | 350 ms
83,452 KB |
testcase_25 | AC | 410 ms
89,836 KB |
testcase_26 | AC | 413 ms
90,056 KB |
testcase_27 | AC | 364 ms
85,424 KB |
testcase_28 | AC | 403 ms
89,328 KB |
testcase_29 | AC | 422 ms
89,932 KB |
testcase_30 | AC | 421 ms
90,052 KB |
testcase_31 | AC | 387 ms
86,192 KB |
testcase_32 | AC | 418 ms
90,056 KB |
testcase_33 | AC | 416 ms
90,184 KB |
testcase_34 | AC | 415 ms
90,056 KB |
testcase_35 | AC | 417 ms
90,188 KB |
testcase_36 | AC | 420 ms
90,056 KB |
testcase_37 | AC | 415 ms
90,052 KB |
testcase_38 | AC | 422 ms
90,060 KB |
testcase_39 | AC | 378 ms
85,680 KB |
testcase_40 | AC | 407 ms
89,928 KB |
testcase_41 | AC | 397 ms
85,808 KB |
testcase_42 | AC | 397 ms
90,056 KB |
testcase_43 | AC | 421 ms
90,052 KB |
testcase_44 | AC | 425 ms
90,056 KB |
testcase_45 | AC | 419 ms
89,928 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") //#include <atcoder/all> #include <iostream> // cout, endl, cin #include <string> // string, to_string, stoi #include <vector> // vector #include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound #include <utility> // pair, make_pair #include <tuple> // tuple, make_tuple #include <cstdint> // int64_t, int*_t #include <cstdio> // printf #include <map> // map #include <queue> // queue, priority_queue #include <set> // set #include <stack> // stack #include <deque> // deque #include <unordered_map> // unordered_map #include <unordered_set> // unordered_set #include <bitset> // bitset #include <cctype> // isupper, islower, isdigit, toupper, tolower #include <math.h> #include <iomanip> #include <functional> using namespace std; //using namespace atcoder; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repi(i, a, b) for (int i = (int)(a); i < (int)(b); i++) typedef long long ll; typedef unsigned long long ull; const ll inf=1e18; using graph = vector<vector<int> > ; using P= pair<ll,ll>; using vi=vector<int>; using vvi=vector<vi>; using vll=vector<ll>; using vvll=vector<vll>; using vp=vector<P>; using vpp=vector<vp>; using vd=vector<double>; using vvd =vector<vd>; //string T="ABCDEFGHIJKLMNOPQRSTUVWXYZ"; //string S="abcdefghijklmnopqrstuvwxyz"; //g++ main.cpp -std=c++17 -I . //cout <<setprecision(20); //cout << fixed << setprecision(10); //cin.tie(0); ios::sync_with_stdio(false); const double PI = acos(-1); int vx[]={0,1,0,-1,-1,1,1,-1},vy[]={1,0,-1,0,1,1,-1,-1}; void putsYes(bool f){cout << (f?"Yes":"No") << endl;} void putsYES(bool f){cout << (f?"YES":"NO") << endl;} void putsFirst(bool f){cout << (f?"First":"Second") << endl;} template<class T> void debug(T s){cout << "test" << " " << s << endl;} ll pow_pow(ll x,ll n,ll mod){ if(n==0) return 1; x%=mod; ll res=pow_pow(x*x%mod,n/2,mod); if(n&1)res=res*x%mod; return res; } ll gcd(ll x,ll y){ if(y==0)return x; return gcd(y,x%y); } ll lcm(ll x,ll y){ return ll(x/gcd(x,y))*y; } template<class T> bool chmin(T& a, T b) { if (a > b) { a = b; return true; } else return false; } template<class T> bool chmax(T& a, T b) { if (a < b) { a = b; return true; } else return false; } // https://youtu.be/L8grWxBlIZ4?t=9858 // https://youtu.be/ERZuLAxZffQ?t=4807 : optimize // https://youtu.be/8uowVvQ_-Mo?t=1329 : division ll mod =998244353; struct mint { ll x; // typedef long long ll; mint(ll x=0):x((x%mod+mod)%mod){} mint operator-() const { return mint(-x);} mint& operator+=(const mint a) { if ((x += a.x) >= mod) x -= mod; return *this; } mint& operator-=(const mint a) { if ((x += mod-a.x) >= mod) x -= mod; return *this; } mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this;} mint operator+(const mint a) const { return mint(*this) += a;} mint operator-(const mint a) const { return mint(*this) -= a;} mint operator*(const mint a) const { return mint(*this) *= a;} mint pow(ll t) const { if (!t) return 1; mint a = pow(t>>1); a *= a; if (t&1) a *= *this; return a; } // for prime mod mint inv() const { return pow(mod-2);} mint& operator/=(const mint a) { return *this *= a.inv();} mint operator/(const mint a) const { return mint(*this) /= a;} }; istream& operator>>(istream& is, const mint& a) { return is >> a.x;} ostream& operator<<(ostream& os, const mint& a) { return os << a.x;} // combination mod prime // https://www.youtube.com/watch?v=8uowVvQ_-Mo&feature=youtu.be&t=1619 struct combination { vector<mint> fact, ifact; combination(int n):fact(n+1),ifact(n+1) { //assert(n < mod); fact[0] = 1; for (int i = 1; i <= n; ++i) fact[i] = fact[i-1]*i; ifact[n] = fact[n].inv(); for (int i = n; i >= 1; --i) ifact[i-1] = ifact[i]*i; } mint operator()(int n, int k) { if (k < 0 || k > n) return 0; return fact[n]*ifact[k]*ifact[n-k]; } mint p(int n, int k) { return fact[n]*ifact[n-k]; } } c(5000000); using vm=vector<mint> ; using vvm=vector<vm> ; ll sqrt_(ll x) { ll l = 0, r = ll(3e9)+1; while (l+1<r) { ll c = (l+r)/2; if (c*c <= x) l = c; else r = c; } return l; } int valid(int x,int y,int h,int w){ if(x>=0 && y>=0 && x<h && y<w)return 1; else return 0; } struct edge{ int to; int w; edge(int to,int w) : to(to),w(w){} }; using ve=vector<edge>; using vve=vector<ve>; using vvp=vector<vp>; struct UnionFind { vector<int> par, siz; UnionFind(int n) : par(n, -1) , siz(n, 1) { } int root(int x) { if (par[x] == -1) return x; else return par[x] = root(par[x]); } bool issame(int x, int y) { return root(x) == root(y); } bool unite(int x, int y) { x = root(x), y = root(y); if (x == y) return false; if (siz[x] < siz[y]) swap(x, y); par[y] = x; siz[x] += siz[y]; return true; } int size(int x) { return siz[root(x)]; } }; //g++ main.cpp -std=c++17 -I . using np=pair<int,P>; using vnp=vector<np>; int main(){cin.tie(0);ios::sync_with_stdio(false); int n,m; cin >> n >> m; vnp p; vi a(m),b(m),w(m); rep(i,m){ cin >> a[i] >> b[i] >> w[i]; a[i]--;b[i]--; p.push_back(np(w[i],P(a[i],b[i]))); } sort(p.begin(),p.end()); UnionFind uf(n); ll ans=0; for(auto x:p){ ll w=x.first; int u=x.second.first; int v=x.second.second; if(!uf.issame(u,v)){ ans+=w*uf.size(u)*uf.size(v); } uf.unite(u,v); } cout << ans << endl; }