結果
問題 | No.277 根掘り葉掘り |
ユーザー | daleksprinter |
提出日時 | 2019-03-19 20:42:02 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 180 ms / 3,000 ms |
コード長 | 3,070 bytes |
コンパイル時間 | 2,001 ms |
コンパイル使用メモリ | 178,972 KB |
実行使用メモリ | 12,780 KB |
最終ジャッジ日時 | 2024-09-14 06:45:11 |
合計ジャッジ時間 | 5,739 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 4 ms
5,760 KB |
testcase_01 | AC | 4 ms
5,760 KB |
testcase_02 | AC | 4 ms
5,760 KB |
testcase_03 | AC | 4 ms
5,632 KB |
testcase_04 | AC | 4 ms
5,632 KB |
testcase_05 | AC | 4 ms
5,760 KB |
testcase_06 | AC | 4 ms
5,504 KB |
testcase_07 | AC | 4 ms
5,760 KB |
testcase_08 | AC | 4 ms
5,632 KB |
testcase_09 | AC | 171 ms
9,472 KB |
testcase_10 | AC | 166 ms
12,780 KB |
testcase_11 | AC | 175 ms
12,144 KB |
testcase_12 | AC | 178 ms
11,496 KB |
testcase_13 | AC | 180 ms
11,520 KB |
testcase_14 | AC | 173 ms
11,748 KB |
testcase_15 | AC | 176 ms
11,144 KB |
testcase_16 | AC | 171 ms
11,348 KB |
testcase_17 | AC | 170 ms
11,456 KB |
testcase_18 | AC | 170 ms
11,164 KB |
testcase_19 | AC | 175 ms
11,204 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; /* macro */ #define rep(i,a,b) for(int i=a;i<b;i++) #define revrep(i,a,b) for(int i = a; i > b; i--) #define int long long #define exist(s,e) ((s).find(e)!=(s).end()) #define all(v) (v).begin(), (v).end() #define each(s,itr) for(auto (itr) = s.begin(); (itr) != s.end(); (itr)++) #define sum(v) accumulate(all(v), (0LL)) #define isin(a, b, c) (b <= a && a <= c) #define println cout << "\n"; #define sz(v) (int)v.size() #define bin(x) static_cast<bitset<16> >(x) /* alias */ template<class T> using vec = vector<T>; typedef vector<int> vi; typedef pair<int, int> pi; typedef tuple<int, int, int> ti; typedef map<int, int> mi; typedef set<int> si; /* constant */ const int inf = 1LL << 62; const int mod = 1e9 + 7; const int dx[8]={1,0,-1,0,-1,1,-1,1}; const int dy[8]={0,1,0,-1,-1,-1,1,1}; const string alphabet = "abcdefghijklmnopqrstuvwxyz"; /* io_method */ int input(){int tmp;cin >> tmp;return tmp;} string raw_input(){string tmp;cin >> tmp;return tmp;} template<class T> void printx(T n){cout << n;} template<class T, class U> void printx(pair<T, U> p){cout << "(" << p.first << "," << p.second << ")";} template<class T, class U, class V> void printx(tuple<T, U, V> t){cout << "{" << get<0>(t) << "," << get<1>(t) <<"," << get<2>(t) << "}" << endl;} template<class T> void printx(vector<T> v){cout << "{";rep(i,0,v.size()){printx(v[i]);if(i != v.size()-1)printx(",");}cout << "}";} template<class T> void print(T n){printx(n);cout << endl;} template<class T> void print(set<T> s){cout << "{";each(s, e){if(e != s.begin()) printx(",");printx(*e);}cout << "}" << endl;} template<class T, class U> void print(map<T, U> mp){cout << "{";each(mp, e){cout << "(" << e -> first << "," << e -> second << ")";}cout << "}" << endl;} template<class T> void printans(vec<T> v){rep(i,0,sz(v)){cout << v[i] << (i == sz(v) - 1 ? "" : " ");}cout << endl;} /* general_method */ 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; } template<class T>T cut(T &a, int l, int r){return T(a.begin()+l, a.begin()+r);} /* main */ int n; vec<vi> edges(101010); vi leaf = {0}; void in(){ cin >> n; rep(i,0,n - 1){ int f, t; cin >> f >> t; f--; t--; edges[f].push_back(t); edges[t].push_back(f); } rep(i,0,n){ if(sz(edges[i]) == 1) leaf.push_back(i); } } void solve(){ vi dist(n, inf); queue<pi> que; for(int l : leaf){ dist[l] = 0; que.push(pi(l, 0)); } while(not que.empty()){ int v = que.front().first; int d = que.front().second; que.pop(); rep(i,0,sz(edges[v])){ int nxt = edges[v][i]; if(chmin(dist[nxt], d + 1)){ que.push(pi(nxt, dist[nxt])); } } } rep(i,0,n){ print(dist[i]); } } signed main(){ cin.tie(0); ios::sync_with_stdio(false); in(); solve(); }