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Submission #680230

# Submission time Handle Problem Language Result Execution time Memory
680230 2023-01-10T10:00:42 Z abcvuitunggio Relay Marathon (NOI20_relaymarathon) C++17
42 / 100
 2220 ms 108064 KB 
#include <bits/stdc++.h>
using namespace std;
const int INF=1e9+10;
int a[100001],d[100001],ch[100001],n,m,k,u,v,w,res=INF*2;
vector <pair <int, int>> ke[100001];
vector <int> ve[4];
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
int f(int s, int e){
    priority_queue <pair <int, int>, vector <pair <int, int>>, greater <pair <int, int>>> q;
    for (int i=1;i<=n;i++){
        d[i]=INF;
        ch[i]=0;
    }
    for (int i:ve[s]){
        d[i]=0;
        q.push({0,i});
    }
    for (int i:ve[e])
        ch[i]=1;
    while (!q.empty()){
        auto [du,u]=q.top();
        q.pop();
        if (ch[u])
            return du;
        if (du!=d[u])
            continue;
        for (auto [v,w]:ke[u])
            if (d[v]>d[u]+w){
                d[v]=d[u]+w;
                q.push({d[v],v});
            }
    }
    return INF;
}
int main(){
    ios_base::sync_with_stdio(NULL);cin.tie(nullptr);
    cin >> n >> m >> k;
    while (m--){
        cin >> u >> v >> w;
        ke[u].push_back({v,w});
        ke[v].push_back({u,w});
    }
    for (int i=1;i<=k;i++)
        cin >> a[i];
    chrono::milliseconds ms(1150);
    chrono::time_point<chrono::system_clock> end=chrono::system_clock::now()+ms;
    while (chrono::system_clock::now()<end){
        shuffle(a+1,a+k+1,rd);
        for (int i=0;i<4;i++)
            ve[i].clear();
        for (int i=1;i<=k;i++)
            ve[rd()%4].push_back(a[i]);
        res=min(res,f(0,1)+f(2,3));
    }
    cout << res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1141 ms 2676 KB Output is correct
2 Correct 1133 ms 2720 KB Output is correct
3 Correct 1120 ms 2672 KB Output is correct
4 Correct 1131 ms 2664 KB Output is correct
5 Correct 1145 ms 2676 KB Output is correct
6 Correct 1137 ms 2768 KB Output is correct
7 Correct 1139 ms 2724 KB Output is correct
8 Correct 1136 ms 2816 KB Output is correct
9 Correct 1139 ms 2668 KB Output is correct
10 Correct 1139 ms 2664 KB Output is correct
11 Correct 1142 ms 2672 KB Output is correct
12 Correct 1143 ms 2672 KB Output is correct
13 Correct 1140 ms 2720 KB Output is correct
14 Correct 1134 ms 2724 KB Output is correct
15 Correct 1146 ms 2720 KB Output is correct
16 Correct 1143 ms 2672 KB Output is correct
17 Correct 1149 ms 2700 KB Output is correct
18 Correct 1147 ms 2680 KB Output is correct
19 Correct 1150 ms 2720 KB Output is correct
20 Correct 1147 ms 2700 KB Output is correct
21 Correct 1144 ms 2696 KB Output is correct
22 Correct 1144 ms 2668 KB Output is correct
23 Correct 1144 ms 2700 KB Output is correct
24 Correct 1150 ms 2668 KB Output is correct
25 Correct 1146 ms 2768 KB Output is correct
26 Correct 1143 ms 2804 KB Output is correct
27 Correct 1151 ms 2672 KB Output is correct
28 Correct 1144 ms 2728 KB Output is correct
29 Correct 1139 ms 2716 KB Output is correct
30 Correct 1134 ms 2740 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1141 ms 2676 KB Output is correct
2 Correct 1133 ms 2720 KB Output is correct
3 Correct 1120 ms 2672 KB Output is correct
4 Correct 1131 ms 2664 KB Output is correct
5 Correct 1145 ms 2676 KB Output is correct
6 Correct 1137 ms 2768 KB Output is correct
7 Correct 1139 ms 2724 KB Output is correct
8 Correct 1136 ms 2816 KB Output is correct
9 Correct 1139 ms 2668 KB Output is correct
10 Correct 1139 ms 2664 KB Output is correct
11 Correct 1142 ms 2672 KB Output is correct
12 Correct 1143 ms 2672 KB Output is correct
13 Correct 1140 ms 2720 KB Output is correct
14 Correct 1134 ms 2724 KB Output is correct
15 Correct 1146 ms 2720 KB Output is correct
16 Correct 1143 ms 2672 KB Output is correct
17 Correct 1149 ms 2700 KB Output is correct
18 Correct 1147 ms 2680 KB Output is correct
19 Correct 1150 ms 2720 KB Output is correct
20 Correct 1147 ms 2700 KB Output is correct
21 Correct 1144 ms 2696 KB Output is correct
22 Correct 1144 ms 2668 KB Output is correct
23 Correct 1144 ms 2700 KB Output is correct
24 Correct 1150 ms 2668 KB Output is correct
25 Correct 1146 ms 2768 KB Output is correct
26 Correct 1143 ms 2804 KB Output is correct
27 Correct 1151 ms 2672 KB Output is correct
28 Correct 1144 ms 2728 KB Output is correct
29 Correct 1139 ms 2716 KB Output is correct
30 Correct 1134 ms 2740 KB Output is correct
31 Correct 1140 ms 2764 KB Output is correct
32 Correct 1146 ms 2704 KB Output is correct
33 Correct 1144 ms 2720 KB Output is correct
34 Correct 1139 ms 2692 KB Output is correct
35 Correct 1150 ms 2680 KB Output is correct
36 Correct 1152 ms 2772 KB Output is correct
37 Correct 1151 ms 3020 KB Output is correct
38 Correct 1148 ms 2724 KB Output is correct
39 Correct 1157 ms 5964 KB Output is correct
40 Correct 1155 ms 3532 KB Output is correct
41 Correct 1148 ms 2764 KB Output is correct
42 Correct 1154 ms 3456 KB Output is correct
43 Correct 1151 ms 2944 KB Output is correct
44 Correct 1146 ms 2728 KB Output is correct
45 Correct 1151 ms 2692 KB Output is correct
46 Correct 1168 ms 6212 KB Output is correct
47 Correct 1147 ms 3164 KB Output is correct
48 Correct 1163 ms 5848 KB Output is correct
49 Correct 1160 ms 5968 KB Output is correct
50 Correct 1136 ms 2724 KB Output is correct
51 Correct 1134 ms 2764 KB Output is correct
52 Correct 1145 ms 2708 KB Output is correct
53 Correct 1158 ms 4408 KB Output is correct
54 Correct 1164 ms 5996 KB Output is correct
55 Correct 1143 ms 2708 KB Output is correct
56 Correct 1149 ms 2688 KB Output is correct
57 Correct 1138 ms 2708 KB Output is correct
58 Correct 1172 ms 6408 KB Output is correct
59 Correct 1144 ms 2764 KB Output is correct
60 Correct 1144 ms 2748 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1178 ms 7400 KB Output is correct
2 Correct 1142 ms 4020 KB Output is correct
3 Correct 2116 ms 103756 KB Output is correct
4 Correct 1546 ms 48112 KB Output is correct
5 Correct 1219 ms 12492 KB Output is correct
6 Correct 1188 ms 10500 KB Output is correct
7 Correct 1228 ms 13460 KB Output is correct
8 Correct 1184 ms 7452 KB Output is correct
9 Correct 1184 ms 9920 KB Output is correct
10 Correct 1181 ms 8268 KB Output is correct
11 Correct 2220 ms 108064 KB Output is correct
12 Correct 1171 ms 8612 KB Output is correct
13 Correct 1402 ms 31244 KB Output is correct
14 Correct 1216 ms 13196 KB Output is correct
15 Correct 2174 ms 106252 KB Output is correct
16 Correct 1173 ms 6916 KB Output is correct
17 Correct 1836 ms 73052 KB Output is correct
18 Correct 1139 ms 4076 KB Output is correct
19 Correct 2199 ms 107672 KB Output is correct
20 Correct 1225 ms 12240 KB Output is correct
21 Correct 1221 ms 11804 KB Output is correct
22 Correct 1182 ms 8008 KB Output is correct
23 Correct 1157 ms 6148 KB Output is correct
24 Correct 1831 ms 84272 KB Output is correct
25 Correct 1206 ms 10008 KB Output is correct
26 Correct 1164 ms 7400 KB Output is correct
27 Correct 1192 ms 8976 KB Output is correct
28 Correct 1155 ms 5068 KB Output is correct
29 Correct 1220 ms 13124 KB Output is correct
30 Correct 1328 ms 22332 KB Output is correct

Subtask #4
0 / 58.0

# Verdict Execution time Memory Grader output
1 Correct 1141 ms 2676 KB Output is correct
2 Correct 1133 ms 2720 KB Output is correct
3 Correct 1120 ms 2672 KB Output is correct
4 Correct 1131 ms 2664 KB Output is correct
5 Correct 1145 ms 2676 KB Output is correct
6 Correct 1137 ms 2768 KB Output is correct
7 Correct 1139 ms 2724 KB Output is correct
8 Correct 1136 ms 2816 KB Output is correct
9 Correct 1139 ms 2668 KB Output is correct
10 Correct 1139 ms 2664 KB Output is correct
11 Correct 1142 ms 2672 KB Output is correct
12 Correct 1143 ms 2672 KB Output is correct
13 Correct 1140 ms 2720 KB Output is correct
14 Correct 1134 ms 2724 KB Output is correct
15 Correct 1146 ms 2720 KB Output is correct
16 Correct 1143 ms 2672 KB Output is correct
17 Correct 1149 ms 2700 KB Output is correct
18 Correct 1147 ms 2680 KB Output is correct
19 Correct 1150 ms 2720 KB Output is correct
20 Correct 1147 ms 2700 KB Output is correct
21 Correct 1144 ms 2696 KB Output is correct
22 Correct 1144 ms 2668 KB Output is correct
23 Correct 1144 ms 2700 KB Output is correct
24 Correct 1150 ms 2668 KB Output is correct
25 Correct 1146 ms 2768 KB Output is correct
26 Correct 1143 ms 2804 KB Output is correct
27 Correct 1151 ms 2672 KB Output is correct
28 Correct 1144 ms 2728 KB Output is correct
29 Correct 1139 ms 2716 KB Output is correct
30 Correct 1134 ms 2740 KB Output is correct
31 Correct 1140 ms 2764 KB Output is correct
32 Correct 1146 ms 2704 KB Output is correct
33 Correct 1144 ms 2720 KB Output is correct
34 Correct 1139 ms 2692 KB Output is correct
35 Correct 1150 ms 2680 KB Output is correct
36 Correct 1152 ms 2772 KB Output is correct
37 Correct 1151 ms 3020 KB Output is correct
38 Correct 1148 ms 2724 KB Output is correct
39 Correct 1157 ms 5964 KB Output is correct
40 Correct 1155 ms 3532 KB Output is correct
41 Correct 1148 ms 2764 KB Output is correct
42 Correct 1154 ms 3456 KB Output is correct
43 Correct 1151 ms 2944 KB Output is correct
44 Correct 1146 ms 2728 KB Output is correct
45 Correct 1151 ms 2692 KB Output is correct
46 Correct 1168 ms 6212 KB Output is correct
47 Correct 1147 ms 3164 KB Output is correct
48 Correct 1163 ms 5848 KB Output is correct
49 Correct 1160 ms 5968 KB Output is correct
50 Correct 1136 ms 2724 KB Output is correct
51 Correct 1134 ms 2764 KB Output is correct
52 Correct 1145 ms 2708 KB Output is correct
53 Correct 1158 ms 4408 KB Output is correct
54 Correct 1164 ms 5996 KB Output is correct
55 Correct 1143 ms 2708 KB Output is correct
56 Correct 1149 ms 2688 KB Output is correct
57 Correct 1138 ms 2708 KB Output is correct
58 Correct 1172 ms 6408 KB Output is correct
59 Correct 1144 ms 2764 KB Output is correct
60 Correct 1144 ms 2748 KB Output is correct
61 Correct 1178 ms 7400 KB Output is correct
62 Correct 1142 ms 4020 KB Output is correct
63 Correct 2116 ms 103756 KB Output is correct
64 Correct 1546 ms 48112 KB Output is correct
65 Correct 1219 ms 12492 KB Output is correct
66 Correct 1188 ms 10500 KB Output is correct
67 Correct 1228 ms 13460 KB Output is correct
68 Correct 1184 ms 7452 KB Output is correct
69 Correct 1184 ms 9920 KB Output is correct
70 Correct 1181 ms 8268 KB Output is correct
71 Correct 2220 ms 108064 KB Output is correct
72 Correct 1171 ms 8612 KB Output is correct
73 Correct 1402 ms 31244 KB Output is correct
74 Correct 1216 ms 13196 KB Output is correct
75 Correct 2174 ms 106252 KB Output is correct
76 Correct 1173 ms 6916 KB Output is correct
77 Correct 1836 ms 73052 KB Output is correct
78 Correct 1139 ms 4076 KB Output is correct
79 Correct 2199 ms 107672 KB Output is correct
80 Correct 1225 ms 12240 KB Output is correct
81 Correct 1221 ms 11804 KB Output is correct
82 Correct 1182 ms 8008 KB Output is correct
83 Correct 1157 ms 6148 KB Output is correct
84 Correct 1831 ms 84272 KB Output is correct
85 Correct 1206 ms 10008 KB Output is correct
86 Correct 1164 ms 7400 KB Output is correct
87 Correct 1192 ms 8976 KB Output is correct
88 Correct 1155 ms 5068 KB Output is correct
89 Correct 1220 ms 13124 KB Output is correct
90 Correct 1328 ms 22332 KB Output is correct
91 Incorrect 1214 ms 9568 KB Output isn't correct
92 Halted 0 ms 0 KB -