結果
問題 | No.1098 LCAs |
ユーザー | Ogtsn99 |
提出日時 | 2020-06-26 22:54:56 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 484 ms / 2,000 ms |
コード長 | 5,211 bytes |
コンパイル時間 | 1,819 ms |
コンパイル使用メモリ | 178,768 KB |
実行使用メモリ | 27,548 KB |
最終ジャッジ日時 | 2024-07-04 23:07:52 |
合計ジャッジ時間 | 8,755 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
(要ログイン)
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
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 3 ms
6,940 KB |
testcase_14 | AC | 4 ms
6,940 KB |
testcase_15 | AC | 4 ms
6,944 KB |
testcase_16 | AC | 3 ms
6,944 KB |
testcase_17 | AC | 3 ms
6,944 KB |
testcase_18 | AC | 415 ms
20,328 KB |
testcase_19 | AC | 415 ms
20,108 KB |
testcase_20 | AC | 412 ms
20,136 KB |
testcase_21 | AC | 416 ms
20,148 KB |
testcase_22 | AC | 407 ms
20,204 KB |
testcase_23 | AC | 340 ms
23,316 KB |
testcase_24 | AC | 342 ms
23,060 KB |
testcase_25 | AC | 347 ms
23,568 KB |
testcase_26 | AC | 343 ms
23,572 KB |
testcase_27 | AC | 341 ms
23,572 KB |
testcase_28 | AC | 425 ms
26,844 KB |
testcase_29 | AC | 484 ms
27,548 KB |
testcase_30 | AC | 454 ms
26,636 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define int long long #define rep(i,n) for(int (i)=0;(i)<(n);(i)++) #define rrep(i,n) for(int (i)=((n)-1);(i)>=0;(i)--) #define itn int #define miele(v) min_element(v.begin(), v.end()) #define maele(v) max_element(v.begin(), v.end()) #define SUM(v) accumulate(v.begin(), v.end(), 0LL) #define lb(a, key) lower_bound(a.begin(),a.end(),key) #define ub(a, key) upper_bound(a.begin(),a.end(),key) #define COUNT(a, key) count(a.begin(), a.end(), key) #define BITCOUNT(x) __builtin_popcount(x) #define pb push_back #define all(x) (x).begin(),(x).end() #define F first #define S second using P = pair <int,int>; using WeightedGraph = vector<vector <P>>; using UnWeightedGraph = vector<vector<int>>; using Real = long double; using Point = complex<Real>; //Point and Vector2d is the same! using Vector2d = complex<Real>; const long long INF = 1LL << 60; const int MOD = 1000000007; const double EPS = 1e-15; const double PI=3.14159265358979323846; template <typename T> int getIndexOfLowerBound(vector <T> &v, T x){ return lower_bound(v.begin(),v.end(),x)-v.begin(); } template <typename T> int getIndexOfUpperBound(vector <T> &v, T x){ return upper_bound(v.begin(),v.end(),x)-v.begin(); } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } #define DUMPOUT cerr #define repi(itr, ds) for (auto itr = ds.begin(); itr != ds.end(); itr++) istream &operator>>(istream &is, Point &p) { Real a, b; is >> a >> b; p = Point(a, b); return is; } template <typename T, typename U> istream &operator>>(istream &is, pair<T,U> &p_var) { is >> p_var.first >> p_var.second; return is; } template <typename T> istream &operator>>(istream &is, vector<T> &vec) { for (T &x : vec) is >> x; return is; } template <typename T, typename U> ostream &operator<<(ostream &os, pair<T, U> &pair_var) { DUMPOUT<<'{'; os << pair_var.first; DUMPOUT<<','; os << " "<< pair_var.second; DUMPOUT<<'}'; return os; } template <typename T> ostream &operator<<(ostream &os, vector<T> &vec) { DUMPOUT<<'['; for (int i = 0; i < vec.size(); i++) os << vec[i] << (i + 1 == vec.size() ? "" : " "); DUMPOUT<<']'; return os; } template <typename T> ostream &operator<<(ostream &os, vector<vector<T>> &df) { for (auto& vec : df) os<<vec; return os; } template <typename T, typename U> ostream &operator<<(ostream &os, map<T, U> &map_var) { DUMPOUT << "{"; repi(itr, map_var) { os << *itr; itr++; if (itr != map_var.end()) DUMPOUT << ", "; itr--; } DUMPOUT << "}"; return os; } template <typename T> ostream &operator<<(ostream &os, set<T> &set_var) { DUMPOUT << "{"; repi(itr, set_var) { os << *itr; itr++; if (itr != set_var.end()) DUMPOUT << ", "; itr--; } DUMPOUT << "}"; return os; } void print() {cout << endl;} template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) { cout << head; if (sizeof...(tail) != 0) cout << " "; print(forward<Tail>(tail)...); } void dump_func() {DUMPOUT << '#'<<endl;} template <typename Head, typename... Tail> void dump_func(Head &&head, Tail &&... tail) { DUMPOUT << head; if (sizeof...(Tail) > 0) DUMPOUT << ", "; dump_func(std::move(tail)...); } #ifdef DEBUG_ #define DEB #define dump(...) \ DUMPOUT << " " << string(#__VA_ARGS__) << ": " \ << "[" << to_string(__LINE__) << ":" << __FUNCTION__ << "]" \ << endl \ << " ", \ dump_func(__VA_ARGS__) #else #define DEB if (false) #define dump(...) #endif UnWeightedGraph g; vector <int> subtreeSize; int dfs(int s = 0, int mae = -1){ int res = 1; for(auto e: g[s]){ if(e == mae) continue; res += dfs(e, s); } return subtreeSize[s] = res; } signed main(void) { cin.tie(0); ios::sync_with_stdio(false); int n; cin>>n; g.resize(n); subtreeSize.resize(n); rep(i, n-1){ int v, u; cin>>v>>u; v--, u--; g[v].pb(u); g[u].pb(v); } dfs(); vector <int> done(n); queue <int> q; q.push(0); vector <int> ans(n); while(!q.empty()){ int now = q.front(); q.pop(); int cnt = 0; vector <int> subtree; for(int i=0;i<g[now].size();i++){ if(!done[g[now][i]]) { cnt++; subtree.pb(subtreeSize[g[now][i]]); } } if(subtree.size() == 0) ans[now] = 1; else { int sum = SUM(subtree); ans[now] = 1 + sum*2; rep(i, subtree.size()){ ans[now] += (sum - subtree[i])*subtree[i]; } for(auto e: g[now]){ if(!done[e]) q.push(e); } } done[now] = 1; } rep(i, n){ print(ans[i]); } }