oj.uz

답안 #228631

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
228631 2020-05-02T08:21:24 Z toxic_hack Ceste (COCI17_ceste) C++17
128 / 160
 2500 ms 66696 KB 
// g++ -std=c++14

/*

Today might be the chance to grasp the chance to let your talent bloom.
May be tomorrow, the day after, or next year...
May be even when you are 30. I'm not sure if physique has anything to do with it
but if you think that it will never come, it probably never will.

- Tooru Oikawa.

*/


#include<bits/stdc++.h>

typedef long long ll;
typedef long double lld;
using namespace std;

#define endl "\n"
#define fi first
#define se second
#define MEMS(a,b) memset(a,b,sizeof(a))
#define _ ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define __ freopen("input.txt","r",stdin);freopen("output.txt","w",stdout);
#define all(c) c.begin(),c.end()
#define pii pair<int, int>

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rand(int l, int r)
{
	uniform_int_distribution<int> uid(l, r);
	return uid(rng);
}

#define tr(...) cout<<__FUNCTION__<<' '<<__LINE__<<" = ";trace(#__VA_ARGS__, __VA_ARGS__)
template<typename S, typename T>
ostream& operator<<(ostream& out,pair<S,T> const& p){out<<'('<<p.fi<<", "<<p.se<<')';return out;}

template<typename T>
ostream& operator<<(ostream& out,vector<T> const& v){
ll l=v.size();for(ll i=0;i<l-1;i++)out<<v[i]<<' ';if(l>0)out<<v[l-1];return out;}

template <typename T>
ostream &operator<<(ostream &out, set<T> const &v) {
    for (auto i = v.begin(); i != v.end(); i++)
        out << (*i) << ' ';
    return out;
}
template <typename T>
ostream &operator<<(ostream &out, multiset<T> const &v) {
    for (auto i = v.begin(); i != v.end(); i++)
        out << (*i) << ' ';
    return out;
}
template <typename T, typename V>
ostream &operator<<(ostream &out, map<T, V> const &v) {
    for (auto i = v.begin(); i != v.end(); i++)
        out << "\n" << (i->first) <<  ":"  << (i->second);
    return out;
}

template<typename T>
void trace(const char* name, T&& arg1){cout<<name<<" : "<<arg1<<endl;}

template<typename T, typename... Args>
void trace(const char* names, T&& arg1, Args&&... args){
const char* comma = strchr(names + 1, ',');cout.write(names, comma-names)<<" : "<<arg1<<" | ";trace(comma+1,args...);}

const int N = 2020;

struct edg {
    int v, t, c;
};

vector<vector<edg>> g(N);
int n, m;
ll ans[N];
const ll INF = 1e18;
map<int, int> d[N];
int tim[N];
void dijkstra(int s) {
    for (int i = 1; i <= n; i++) {
        ans[i] = INF;
        tim[i] = 2000*2000 + 10;
    }
    d[s][0] = 0;
    priority_queue<pair<int, pii>, vector<pair<int, pii>>, greater<pair<int, pii>>> q;
    q.push({0, {0, s}});
    while (!q.empty()) {
        int v = q.top().se.se;
        int d_v = q.top().fi;
        int t_v = q.top().se.fi;
        ans[v] = min(ans[v], 1LL * d_v * t_v);
        q.pop();
        if (d_v != d[v][t_v])
            continue;

        if (tim[v] <= t_v) continue;
        tim[v] = t_v;

        for (auto &edge : g[v]) {
            int to = edge.v;
            int tim = t_v + edge.t;
            int len = edge.c;
            if (d[to].count(tim)) {
                if (d[to][tim] > d_v + len) {
                    d[to][tim] = d_v + len;
                    q.push({d[to][tim], {tim, to}});
                }
            } else {
                d[to][tim] = d_v + len;
                q.push({d[to][tim], {tim, to}});
            }
        }
    }
    for (int i = 1;  i<= n; i++) {
        if (ans[i] == INF) {
            ans[i] = -1;
        }
    }
}

int solve() {
    cin >> n >> m;
    for (int i = 0; i < m; i++) {
        int a, b, t, c; 
        cin >> a >> b >> t >> c;
        g[a].push_back({b, t, c});
        g[b].push_back({a, t, c});
    }   
    dijkstra(1);
    for (int i = 2; i <= n; i++) {
        cout << ans[i] << endl;
    }
    return 0;
}

int32_t main(){ _
    int t;
    // cin >> t;
    t = 1;
    while (t--) solve();
}

Subtask #1
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 512 KB Output is correct

Subtask #2
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 640 KB Output is correct

Subtask #3
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 512 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 640 KB Output is correct

Subtask #5
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 896 KB Output is correct
2 Correct 12 ms 1408 KB Output is correct
3 Correct 21 ms 1664 KB Output is correct

Subtask #6
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 118 ms 5232 KB Output is correct
2 Correct 232 ms 8112 KB Output is correct
3 Correct 340 ms 14760 KB Output is correct

Subtask #7
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 865 ms 39340 KB Output is correct
2 Execution timed out 2557 ms 53224 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 356 ms 17588 KB Output is correct
2 Execution timed out 2545 ms 55432 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #9
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1809 ms 66696 KB Output is correct
2 Correct 1481 ms 47660 KB Output is correct
3 Correct 1404 ms 41896 KB Output is correct

Subtask #10
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1342 ms 45008 KB Output is correct
2 Correct 1195 ms 40104 KB Output is correct
3 Correct 1737 ms 51116 KB Output is correct