oj.uz

Submission #815982

# Submission time Handle Problem Language Result Execution time Memory
815982 2023-08-09T03:16:29 Z zulsinar031 Voting Cities (NOI22_votingcity) C++
100 / 100
 377 ms 21780 KB 
//Singapore NOI 2022 - Voting Cities
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fi first
#define se second
#define mp make_pair
const int INF = 1e18+7;
signed main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n, e, k;
    cin >> n >> e >> k; int t[k];
    vector<vector<pair<int,int>>>edges(n+1);
    set<pair<int,pair<int,int>>>d;
    for(int i = 0; i < k; i++){
        cin >> t[i];
        d.insert(mp(0,mp(t[i],0)));
    }
    for(int i = 0; i < e; i++){
        int u, v, w;
        cin >> u >> v >> w;
        //edges[u].push_back({v,w});
        edges[v].push_back({u,w});
    }
    int dp[n][1<<5]; bool vis[n][1<<5];
    memset(dp,-1,sizeof(dp));
    memset(vis,0,sizeof(vis));
    while(d.size())
    {
        int dist = (*d.begin()).fi;
        int nd = (*d.begin()).se.fi;
        int mask = (*d.begin()).se.se;
        d.erase(d.begin());
        if(vis[nd][mask])
            continue;
        dp[nd][mask] = dist;
        vis[nd][mask] = 1;
        for(pair<int,int> i : edges[nd]){
            if(!vis[i.fi][mask])
                d.insert(mp(dist+i.se,mp(i.fi, mask)));
            for(int j = 0; j < 5; j++){
                if(!((1<<j) & mask)){
                    if(!vis[i.fi][mask | (1<<j)])
                        d.insert(mp(dist+i.se/10ll * (10ll-j-1ll), mp(i.fi, mask | (1<<j))));
                }
            }
        }
    }
    int q; cin >> q;
    while(q--)
    {
        int p[6], s;
        cin >> s;
        for(int i = 0; i < 5; i++)
            cin >> p[i];
        int ans = 1e18;
        for(int j = 0; j < 1 << 5; j++){
            if(dp[s][j] != -1){
                bool valid = 1; int cost = 0;
                for(int k = 0; k < 5; k++){
                    if((1<<k) & j){
                        if(p[k] == -1)
                            valid = 0;
                        else
                            cost+=p[k];
                    }
                }
                if(valid)
                    ans = min(ans,dp[s][j] + cost);
            }
        }
        if(ans == 1e18)
            cout << -1 << endl;
        else
            cout << ans << endl;
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 121 ms 6856 KB Output is correct
2 Correct 51 ms 2080 KB Output is correct
3 Correct 140 ms 7416 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 121 ms 6856 KB Output is correct
2 Correct 51 ms 2080 KB Output is correct
3 Correct 140 ms 7416 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 126 ms 7348 KB Output is correct
7 Correct 49 ms 2084 KB Output is correct
8 Correct 138 ms 7556 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 121 ms 6856 KB Output is correct
2 Correct 51 ms 2080 KB Output is correct
3 Correct 140 ms 7416 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 126 ms 7348 KB Output is correct
7 Correct 49 ms 2084 KB Output is correct
8 Correct 138 ms 7556 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 306 ms 18420 KB Output is correct
12 Correct 56 ms 2084 KB Output is correct
13 Correct 152 ms 8344 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 121 ms 6856 KB Output is correct
2 Correct 51 ms 2080 KB Output is correct
3 Correct 140 ms 7416 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 3 ms 2260 KB Output is correct
7 Correct 49 ms 2084 KB Output is correct
8 Correct 145 ms 7844 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 121 ms 6856 KB Output is correct
2 Correct 51 ms 2080 KB Output is correct
3 Correct 140 ms 7416 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 126 ms 7348 KB Output is correct
7 Correct 49 ms 2084 KB Output is correct
8 Correct 138 ms 7556 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 3 ms 2260 KB Output is correct
12 Correct 49 ms 2084 KB Output is correct
13 Correct 145 ms 7844 KB Output is correct
14 Correct 129 ms 7064 KB Output is correct
15 Correct 51 ms 2092 KB Output is correct
16 Correct 191 ms 7960 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 174 ms 11020 KB Output is correct
2 Correct 259 ms 15840 KB Output is correct
3 Correct 95 ms 3112 KB Output is correct
4 Correct 152 ms 8144 KB Output is correct

Subtask #7
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 3392 KB Output is correct
2 Correct 15 ms 3180 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 13 ms 2900 KB Output is correct
5 Correct 15 ms 3304 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 16 ms 3376 KB Output is correct
8 Correct 16 ms 3284 KB Output is correct

Subtask #8
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 121 ms 6856 KB Output is correct
2 Correct 51 ms 2080 KB Output is correct
3 Correct 140 ms 7416 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 126 ms 7348 KB Output is correct
7 Correct 49 ms 2084 KB Output is correct
8 Correct 138 ms 7556 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 306 ms 18420 KB Output is correct
12 Correct 56 ms 2084 KB Output is correct
13 Correct 152 ms 8344 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 2260 KB Output is correct
17 Correct 49 ms 2084 KB Output is correct
18 Correct 145 ms 7844 KB Output is correct
19 Correct 129 ms 7064 KB Output is correct
20 Correct 51 ms 2092 KB Output is correct
21 Correct 191 ms 7960 KB Output is correct
22 Correct 174 ms 11020 KB Output is correct
23 Correct 259 ms 15840 KB Output is correct
24 Correct 95 ms 3112 KB Output is correct
25 Correct 152 ms 8144 KB Output is correct
26 Correct 15 ms 3392 KB Output is correct
27 Correct 15 ms 3180 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 13 ms 2900 KB Output is correct
30 Correct 15 ms 3304 KB Output is correct
31 Correct 2 ms 340 KB Output is correct
32 Correct 16 ms 3376 KB Output is correct
33 Correct 16 ms 3284 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 264 ms 15992 KB Output is correct
38 Correct 347 ms 21428 KB Output is correct
39 Correct 138 ms 8064 KB Output is correct
40 Correct 1 ms 1748 KB Output is correct
41 Correct 2 ms 2124 KB Output is correct
42 Correct 281 ms 17496 KB Output is correct
43 Correct 377 ms 21780 KB Output is correct
44 Correct 157 ms 8192 KB Output is correct
45 Correct 87 ms 2644 KB Output is correct