結果

問題 No.807 umg tours
ユーザー daleksprinterdaleksprinter
提出日時 2019-03-22 23:08:50
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
TLE  
(最新)
AC  
(最初)
実行時間 -
コード長 3,425 bytes
コンパイル時間 1,906 ms
コンパイル使用メモリ 181,608 KB
実行使用メモリ 24,408 KB
最終ジャッジ日時 2023-08-15 12:06:16
合計ジャッジ時間 12,293 ms
ジャッジサーバーID
(参考情報)
judge13 / judge11
このコードへのチャレンジ
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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 3 ms
5,404 KB
testcase_01 AC 4 ms
5,288 KB
testcase_02 AC 3 ms
5,312 KB
testcase_03 AC 4 ms
5,304 KB
testcase_04 AC 3 ms
5,268 KB
testcase_05 AC 3 ms
5,304 KB
testcase_06 AC 4 ms
5,252 KB
testcase_07 AC 4 ms
5,308 KB
testcase_08 AC 3 ms
5,264 KB
testcase_09 AC 3 ms
5,292 KB
testcase_10 AC 3 ms
5,340 KB
testcase_11 AC 169 ms
18,860 KB
testcase_12 AC 211 ms
15,176 KB
testcase_13 AC 264 ms
18,040 KB
testcase_14 AC 118 ms
11,240 KB
testcase_15 AC 89 ms
9,744 KB
testcase_16 AC 272 ms
18,844 KB
testcase_17 AC 382 ms
23,564 KB
testcase_18 AC 354 ms
24,352 KB
testcase_19 AC 381 ms
20,148 KB
testcase_20 AC 241 ms
12,704 KB
testcase_21 AC 250 ms
13,012 KB
testcase_22 AC 100 ms
8,840 KB
testcase_23 AC 79 ms
8,052 KB
testcase_24 TLE -
testcase_25 AC 389 ms
24,408 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 #

#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, m;
vec<vec<pi>>edges(101010);
void in(){
    cin >> n >> m;
    rep(i,0,m){
        int f, t, c; cin >> f >> t >> c;
        f--; t--;
        edges[f].push_back(pi(t, c));
        edges[t].push_back(pi(f, c));
    }
}

void solve(){

    vi dist(n, inf);
    vi use0(n, inf);

    priority_queue<ti, vec<ti>, greater<ti>> que;
    que.push(ti(0, 0, false));
    dist[0] = 0;
    use0[0] = 0;

    while(not que.empty()){
        int d = get<0>(que.top());
        int v = get<1>(que.top());
        bool isuse = get<2>(que.top());

        que.pop();
        if(dist[v] < d) continue;

        rep(i,0,sz(edges[v])){
            int nxt = edges[v][i].first;
            int len = edges[v][i].second;

            if(!isuse && chmin(dist[nxt], d + len)){
                que.push(ti(dist[nxt], nxt, isuse));
            }

            if(!isuse && chmin(use0[nxt], d)){
                que.push(ti(use0[nxt], nxt, true));
            }

            if(isuse && chmin(use0[nxt], d + len)){
                que.push(ti(use0[nxt], nxt, true));
            }
        }
    }

    rep(i,0,n){
        print(dist[i] + use0[i]);
    }



}

signed main(){

    cin.tie(0);
    ios::sync_with_stdio(false);
    in();
    solve();
    
}
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