oj.uz

Submission #737556

# Submission time Handle Problem Language Result Execution time Memory
737556 2023-05-07T10:48:11 Z Ronin13 Relay Marathon (NOI20_relaymarathon) C++14
17 / 100
 6000 ms 139036 KB 
#include <bits/stdc++.h>
#define ll long long
#define ull unsigned ll
#define f first
#define s second
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pb push_back
#define epb emplace_back
using namespace std;
const int nmax = 300001;
vector <ll> bit(nmax);
int bb = 10;
vector <vector <pll> > g(nmax);

int main(){
    int n, k, m; cin >> n >> m >> k;
    for(int i = 1; i <= m; i++){
        int u, v; cin >> u >> v;
        ll w; cin >> w;
        g[u].pb({v, w});
        g[v].pb({u, w});
    }

    vector <int> sources;
    for(int i = 1 ;i <= k; i++){
        int x; cin >> x;
        sources.pb(x);
    }
    vector <vector <pair<ll, int> > > G(n + 1);
    for(int s : sources){
        priority_queue <pll> q;
        vector <ll> d(n + 1, 1e18);
        vector <bool> used(n + 1, false);
        q.push({0, s});
        d[s] = 0;
        while(!q.empty()){
            int v = q.top().s;
            q.pop();
            if(used[v]) continue;
            used[v] = true;
            for(auto x : g[v]){
                int to =x.f;
                ll len = x.s;
                if(d[to] > d[v] + len){
                    d[to] = d[v] + len;
                    q.push({-d[to], to});
                }
            }
        }
        vector <pll> vec;
        for(auto to : sources){
            vec.epb(d[to], to);
        }
        sort(vec.begin(), vec.end());
        for(int j = 0; j < min(k, bb); j++){
            G[s].pb(vec[j]);
        }
    }
    vector <pair<ll, pii> > vec;
    for(int i = 1; i <= n; i++){
        for(auto to : G[i]){
            vec.pb({to.f, {to.s, i}});
        }
    }
    sort(vec.begin(), vec.end());
    int cnt[n + 1];
    fill(cnt, cnt + n + 1, 0);
    vector <pair<ll, pii> > cand;
    for(auto to : vec){
        if(cand.size() > 1000) break;
        if(cnt[to.s.f] < bb && cnt[to.s.s] < bb){
            cand.pb(to);
            cnt[to.s.f]++;
            cnt[to.s.s]++;
        }
    }
   // cout << 1;
    ll ans = 1e18;
    for(int i = 0; i < cand.size(); i++){
        for(int j =0; j < cand.size(); j++){
            set <int> st;
            st.insert(cand[i].s.f);
            st.insert(cand[i].s.s);
            st.insert(cand[j].s.f);
            st.insert(cand[j].s.s);
            if(st.size() == 4){
                ans = min(ans, cand[i].f + cand[j].f);
            }
        }
    }
    cout << ans;
    return 0;
}

Compilation message

RelayMarathon.cpp: In function 'int main()':
RelayMarathon.cpp:80:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   80 |     for(int i = 0; i < cand.size(); i++){
      |                    ~~^~~~~~~~~~~~~
RelayMarathon.cpp:81:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |         for(int j =0; j < cand.size(); j++){
      |                       ~~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 7 ms 9684 KB Output is correct
3 Correct 5 ms 9712 KB Output is correct
4 Correct 5 ms 9656 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 6 ms 9684 KB Output is correct
7 Correct 7 ms 9756 KB Output is correct
8 Correct 6 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 9 ms 9684 KB Output is correct
12 Correct 7 ms 9684 KB Output is correct
13 Correct 10 ms 9684 KB Output is correct
14 Correct 7 ms 9728 KB Output is correct
15 Correct 10 ms 9796 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 11 ms 9684 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 11 ms 9684 KB Output is correct
20 Correct 7 ms 9684 KB Output is correct
21 Correct 10 ms 9696 KB Output is correct
22 Correct 5 ms 9684 KB Output is correct
23 Correct 9 ms 9744 KB Output is correct
24 Correct 6 ms 9684 KB Output is correct
25 Correct 6 ms 9684 KB Output is correct
26 Correct 5 ms 9684 KB Output is correct
27 Correct 5 ms 9684 KB Output is correct
28 Correct 10 ms 9684 KB Output is correct
29 Correct 8 ms 9684 KB Output is correct
30 Correct 8 ms 9684 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 7 ms 9684 KB Output is correct
3 Correct 5 ms 9712 KB Output is correct
4 Correct 5 ms 9656 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 6 ms 9684 KB Output is correct
7 Correct 7 ms 9756 KB Output is correct
8 Correct 6 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 9 ms 9684 KB Output is correct
12 Correct 7 ms 9684 KB Output is correct
13 Correct 10 ms 9684 KB Output is correct
14 Correct 7 ms 9728 KB Output is correct
15 Correct 10 ms 9796 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 11 ms 9684 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 11 ms 9684 KB Output is correct
20 Correct 7 ms 9684 KB Output is correct
21 Correct 10 ms 9696 KB Output is correct
22 Correct 5 ms 9684 KB Output is correct
23 Correct 9 ms 9744 KB Output is correct
24 Correct 6 ms 9684 KB Output is correct
25 Correct 6 ms 9684 KB Output is correct
26 Correct 5 ms 9684 KB Output is correct
27 Correct 5 ms 9684 KB Output is correct
28 Correct 10 ms 9684 KB Output is correct
29 Correct 8 ms 9684 KB Output is correct
30 Correct 8 ms 9684 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 6 ms 9684 KB Output is correct
33 Correct 5 ms 9684 KB Output is correct
34 Correct 5 ms 9684 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 153 ms 10060 KB Output is correct
37 Correct 187 ms 10324 KB Output is correct
38 Correct 7 ms 9684 KB Output is correct
39 Correct 76 ms 14236 KB Output is correct
40 Correct 188 ms 10840 KB Output is correct
41 Correct 7 ms 9684 KB Output is correct
42 Correct 204 ms 10928 KB Output is correct
43 Correct 144 ms 10040 KB Output is correct
44 Correct 6 ms 9684 KB Output is correct
45 Correct 6 ms 9684 KB Output is correct
46 Correct 372 ms 14324 KB Output is correct
47 Correct 176 ms 10440 KB Output is correct
48 Correct 93 ms 14340 KB Output is correct
49 Correct 272 ms 14280 KB Output is correct
50 Correct 6 ms 9684 KB Output is correct
51 Correct 124 ms 9932 KB Output is correct
52 Correct 7 ms 9684 KB Output is correct
53 Correct 62 ms 12048 KB Output is correct
54 Correct 88 ms 14176 KB Output is correct
55 Correct 6 ms 9684 KB Output is correct
56 Correct 5 ms 9684 KB Output is correct
57 Correct 6 ms 9684 KB Output is correct
58 Correct 250 ms 14280 KB Output is correct
59 Correct 5 ms 9684 KB Output is correct
60 Correct 132 ms 9952 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 333 ms 17120 KB Output is correct
2 Correct 15 ms 13636 KB Output is correct
3 Execution timed out 6042 ms 139036 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #4
0 / 58.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 7 ms 9684 KB Output is correct
3 Correct 5 ms 9712 KB Output is correct
4 Correct 5 ms 9656 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 6 ms 9684 KB Output is correct
7 Correct 7 ms 9756 KB Output is correct
8 Correct 6 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 9 ms 9684 KB Output is correct
12 Correct 7 ms 9684 KB Output is correct
13 Correct 10 ms 9684 KB Output is correct
14 Correct 7 ms 9728 KB Output is correct
15 Correct 10 ms 9796 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 11 ms 9684 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 11 ms 9684 KB Output is correct
20 Correct 7 ms 9684 KB Output is correct
21 Correct 10 ms 9696 KB Output is correct
22 Correct 5 ms 9684 KB Output is correct
23 Correct 9 ms 9744 KB Output is correct
24 Correct 6 ms 9684 KB Output is correct
25 Correct 6 ms 9684 KB Output is correct
26 Correct 5 ms 9684 KB Output is correct
27 Correct 5 ms 9684 KB Output is correct
28 Correct 10 ms 9684 KB Output is correct
29 Correct 8 ms 9684 KB Output is correct
30 Correct 8 ms 9684 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 6 ms 9684 KB Output is correct
33 Correct 5 ms 9684 KB Output is correct
34 Correct 5 ms 9684 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 153 ms 10060 KB Output is correct
37 Correct 187 ms 10324 KB Output is correct
38 Correct 7 ms 9684 KB Output is correct
39 Correct 76 ms 14236 KB Output is correct
40 Correct 188 ms 10840 KB Output is correct
41 Correct 7 ms 9684 KB Output is correct
42 Correct 204 ms 10928 KB Output is correct
43 Correct 144 ms 10040 KB Output is correct
44 Correct 6 ms 9684 KB Output is correct
45 Correct 6 ms 9684 KB Output is correct
46 Correct 372 ms 14324 KB Output is correct
47 Correct 176 ms 10440 KB Output is correct
48 Correct 93 ms 14340 KB Output is correct
49 Correct 272 ms 14280 KB Output is correct
50 Correct 6 ms 9684 KB Output is correct
51 Correct 124 ms 9932 KB Output is correct
52 Correct 7 ms 9684 KB Output is correct
53 Correct 62 ms 12048 KB Output is correct
54 Correct 88 ms 14176 KB Output is correct
55 Correct 6 ms 9684 KB Output is correct
56 Correct 5 ms 9684 KB Output is correct
57 Correct 6 ms 9684 KB Output is correct
58 Correct 250 ms 14280 KB Output is correct
59 Correct 5 ms 9684 KB Output is correct
60 Correct 132 ms 9952 KB Output is correct
61 Correct 333 ms 17120 KB Output is correct
62 Correct 15 ms 13636 KB Output is correct
63 Execution timed out 6042 ms 139036 KB Time limit exceeded
64 Halted 0 ms 0 KB -