結果

問題 No.1473 おでぶなおばけさん
ユーザー suta28407928suta28407928
提出日時 2021-04-09 21:41:09
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 4,006 bytes
コンパイル時間 4,211 ms
コンパイル使用メモリ 208,900 KB
実行使用メモリ 13,568 KB
最終ジャッジ日時 2024-06-25 04:42:13
合計ジャッジ時間 9,601 ms
ジャッジサーバーID
(参考情報)
judge4 / judge2
このコードへのチャレンジ
(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
5,248 KB
testcase_01 AC 2 ms
5,248 KB
testcase_02 AC 135 ms
12,800 KB
testcase_03 AC 110 ms
10,752 KB
testcase_04 AC 78 ms
8,832 KB
testcase_05 AC 26 ms
5,376 KB
testcase_06 AC 119 ms
10,496 KB
testcase_07 AC 140 ms
13,440 KB
testcase_08 AC 139 ms
13,568 KB
testcase_09 AC 137 ms
13,568 KB
testcase_10 AC 93 ms
5,376 KB
testcase_11 AC 94 ms
5,376 KB
testcase_12 AC 94 ms
5,376 KB
testcase_13 AC 58 ms
5,376 KB
testcase_14 AC 42 ms
5,376 KB
testcase_15 AC 81 ms
5,376 KB
testcase_16 AC 92 ms
5,376 KB
testcase_17 AC 8 ms
5,376 KB
testcase_18 AC 12 ms
5,376 KB
testcase_19 AC 70 ms
5,376 KB
testcase_20 AC 87 ms
9,728 KB
testcase_21 AC 97 ms
7,168 KB
testcase_22 WA -
testcase_23 WA -
testcase_24 WA -
testcase_25 WA -
testcase_26 AC 124 ms
9,984 KB
testcase_27 WA -
testcase_28 AC 138 ms
13,184 KB
testcase_29 WA -
testcase_30 AC 117 ms
8,192 KB
testcase_31 AC 120 ms
13,056 KB
testcase_32 AC 103 ms
10,624 KB
testcase_33 AC 85 ms
9,344 KB
testcase_34 AC 46 ms
6,656 KB
testcase_35 AC 51 ms
5,760 KB
testcase_36 WA -
testcase_37 AC 98 ms
10,240 KB
testcase_38 WA -
testcase_39 AC 92 ms
5,376 KB
testcase_40 AC 93 ms
5,376 KB
testcase_41 AC 83 ms
5,376 KB
testcase_42 AC 82 ms
5,376 KB
testcase_43 AC 98 ms
9,232 KB
testcase_44 AC 97 ms
9,232 KB
testcase_45 AC 99 ms
9,236 KB
testcase_46 AC 101 ms
9,856 KB
testcase_47 AC 126 ms
11,264 KB
testcase_48 AC 111 ms
10,624 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#pragma GCC target("avx2")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
//#include <atcoder/all>
using namespace std;
//using namespace atcoder;
#define DEBUG
#ifdef DEBUG
template <class T, class U>
ostream &operator<<(ostream &os, const pair<T, U> &p) {
    os << '(' << p.first << ',' << p.second << ')';
    return os;
}
template <class T> ostream &operator<<(ostream &os, const vector<T> &v) {
    os << '{';
    for(int i = 0; i < (int)v.size(); i++) {
        if(i) { os << ','; }
        os << v[i];
    }
    os << '}';
    return os;
}
void debugg() { cerr << endl; }
template <class T, class... Args>
void debugg(const T &x, const Args &... args) {
    cerr << " " << x;
    debugg(args...);
}
#define debug(...)                                                             \
    cerr << __LINE__ << " [" << #__VA_ARGS__ << "]: ", debugg(__VA_ARGS__)
#define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl
#else
#define debug(...) (void(0))
#define dump(x) (void(0))
#endif
using namespace std;
typedef long long ll;
typedef vector<ll> vl;
typedef vector<vector<ll>> vvl;
typedef vector<char> vc;
typedef vector<string> vs;
typedef vector<bool> vb;
typedef vector<double> vd;
typedef pair<ll,ll> P;
typedef pair<int,int> pii;
typedef vector<P> vpl;
typedef tuple<ll,ll,ll> tapu;
#define rep(i,n) for(int i=0; i<(n); i++)
#define REP(i,a,b) for(int i=(a); i<(b); i++)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
const int inf = (1<<30) - 1;
const ll linf = 1LL<<61;
const int MAX = 510000;
int dy[8] = {0,1,0,-1,1,-1,-1,1};
int dx[8] = {-1,0,1,0,1,-1,1,-1};
const double pi = acos(-1);
const double eps = 1e-8;
template<typename T1,typename T2> inline bool chmin(T1 &a,T2 b){
	if(a>b){
		a = b; return true;
	}
	else return false;
}
template<typename T1,typename T2> inline bool chmax(T1 &a,T2 b){
	if(a<=b){
		a = b; return true;
	}
	else return false;
}
template<typename T> inline void print(T &a){
    int sz = a.size();
    for(auto itr = a.begin(); itr != a.end(); itr++){
		cout << *itr;
        sz--;
        if(sz) cout << " ";
	}
    cout << "\n";
}
template<typename T1,typename T2> inline void print2(T1 a, T2 b){
	cout << a << " " << b << "\n";
}
template<typename T1,typename T2,typename T3> inline void print3(T1 a, T2 b, T3 c){
	cout << a << " " << b << " " << c << "\n";
}
void mark() {cout << "#" << "\n";}
ll pcount(ll x) {return __builtin_popcountll(x);}
//const int mod = 1e9 + 7;
const int mod = 998244353;

struct UnionFind{
    vl p;
    vl rank;
    vl cnt;

    UnionFind(ll n){
        rank.resize(n,0);
        p.resize(n,0);
        cnt.resize(n,0);
        rep(i,n){
            p[i] = i;
            rank[i] = 0;
            cnt[i] = 1;
        }
    }

    ll find(ll x){
        if(x != p[x]) p[x] = find(p[x]);
        return p[x];
    }

    bool same(ll x, ll y){
        return find(x) == find(y);
    }

    void unite(ll x, ll y){
        x = find(x);
        y = find(y);
        if(x == y) return;
        if(rank[x] > rank[y]){
            p[y] = x;
            cnt[x] += cnt[y];
        }else{
            p[x] = y;
            cnt[y] += cnt[x];
            if(rank[x] == rank[y]) rank[y]++;
        }
    }

    ll size(ll x){
        return cnt[find(x)];
    }
};

int main(){
    int n,m; cin >> n >> m;
    vvl G(n);
    vector<tuple<int,int,int>> e(m);
    rep(i,m){
        int s,t,d; cin >> s >> t >> d; s--; t--;
        e[i] = {d,s,t};
    }
    sort(rall(e));
    UnionFind uf(n);
    ll w = linf;
    rep(i,m){
        if(uf.same(0,n-1)) break;
        int d,s,t;
        tie(d,s,t) = e[i];
        uf.unite(s,t);
        G[s].push_back(t);
        G[t].push_back(s);
        w = d;
    }
    vl d(n,inf);
    d[0] = 0;
    queue<int> q;
    q.push(0);
    while(!q.empty()){
        int u = q.front(); q.pop();
        for(auto v : G[u]){
            if(chmin(d[v], d[u] + 1)) q.push(v);
        }
    }
    cout << w << " " << d[n-1] << endl;
}
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