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Submission #651095

# Submission time Handle Problem Language Result Execution time Memory
651095 2022-10-17T04:37:18 Z bachhoangxuan Paths (BOI18_paths) C++17
100 / 100
 399 ms 112068 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define maxn 300005
int n,m,k,dp[maxn][(1<<5)+5],c[maxn];
vector<int> ms[10],edge[maxn];
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    cin >> n >> m >> k;
    for(int i=1;i<=n;i++){cin >> c[i];c[i]--;dp[i][(1<<c[i])]=1;}
    for(int i=1;i<=m;i++){
        int u,v;cin >> u >> v;
        edge[u].push_back(v);
        edge[v].push_back(u);
    }
    for(int mask=0;mask<(1<<k);mask++){
        int cnt=0;
        for(int j=0;j<k;j++) cnt+=(mask>>j)&1;
        ms[cnt].push_back(mask);
    }
    int ans=0;
    for(int i=2;i<=k;i++){
        for(int mask:ms[i]){
            for(int j=1;j<=n;j++){
                if((mask^(1<<c[j]))==0) continue;
                for(int v:edge[j]) dp[j][mask]+=dp[v][mask^(1<<c[j])];
                ans+=dp[j][mask];
            }
        }
    }
    cout << ans << endl;
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 5 ms 7380 KB Output is correct
3 Correct 4 ms 7376 KB Output is correct
4 Correct 4 ms 7380 KB Output is correct
5 Correct 4 ms 7376 KB Output is correct
6 Correct 4 ms 7380 KB Output is correct
7 Correct 5 ms 7372 KB Output is correct
8 Correct 4 ms 7380 KB Output is correct
9 Correct 4 ms 7380 KB Output is correct
10 Correct 4 ms 7380 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 18796 KB Output is correct
2 Correct 50 ms 17020 KB Output is correct
3 Correct 277 ms 111544 KB Output is correct
4 Correct 93 ms 27684 KB Output is correct
5 Correct 114 ms 27704 KB Output is correct
6 Correct 194 ms 79920 KB Output is correct
7 Correct 263 ms 111692 KB Output is correct
8 Correct 290 ms 112068 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 5 ms 7380 KB Output is correct
3 Correct 4 ms 7376 KB Output is correct
4 Correct 4 ms 7380 KB Output is correct
5 Correct 4 ms 7376 KB Output is correct
6 Correct 4 ms 7380 KB Output is correct
7 Correct 5 ms 7372 KB Output is correct
8 Correct 4 ms 7380 KB Output is correct
9 Correct 4 ms 7380 KB Output is correct
10 Correct 4 ms 7380 KB Output is correct
11 Correct 67 ms 18796 KB Output is correct
12 Correct 50 ms 17020 KB Output is correct
13 Correct 277 ms 111544 KB Output is correct
14 Correct 93 ms 27684 KB Output is correct
15 Correct 114 ms 27704 KB Output is correct
16 Correct 194 ms 79920 KB Output is correct
17 Correct 263 ms 111692 KB Output is correct
18 Correct 290 ms 112068 KB Output is correct
19 Correct 67 ms 18836 KB Output is correct
20 Correct 54 ms 16956 KB Output is correct
21 Correct 279 ms 111580 KB Output is correct
22 Correct 110 ms 27696 KB Output is correct
23 Correct 105 ms 27692 KB Output is correct
24 Correct 191 ms 79704 KB Output is correct
25 Correct 282 ms 111700 KB Output is correct
26 Correct 268 ms 112068 KB Output is correct
27 Correct 58 ms 16972 KB Output is correct
28 Correct 92 ms 21216 KB Output is correct
29 Correct 399 ms 111616 KB Output is correct
30 Correct 276 ms 64816 KB Output is correct
31 Correct 256 ms 64868 KB Output is correct
32 Correct 373 ms 111604 KB Output is correct
33 Correct 4 ms 7380 KB Output is correct
34 Correct 4 ms 7380 KB Output is correct
35 Correct 4 ms 7380 KB Output is correct
36 Correct 4 ms 7380 KB Output is correct
37 Correct 4 ms 7380 KB Output is correct
38 Correct 4 ms 7380 KB Output is correct
39 Correct 4 ms 7380 KB Output is correct
40 Correct 5 ms 7380 KB Output is correct
41 Correct 4 ms 7380 KB Output is correct
42 Correct 4 ms 7380 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 25 ms 10416 KB Output is correct
3 Correct 20 ms 10464 KB Output is correct
4 Correct 78 ms 41840 KB Output is correct
5 Correct 60 ms 42368 KB Output is correct
6 Correct 182 ms 41880 KB Output is correct
7 Correct 21 ms 10324 KB Output is correct
8 Correct 106 ms 41932 KB Output is correct
9 Correct 78 ms 42396 KB Output is correct
10 Correct 94 ms 42520 KB Output is correct
11 Correct 106 ms 25924 KB Output is correct
12 Correct 109 ms 34128 KB Output is correct
13 Correct 99 ms 26284 KB Output is correct
14 Correct 171 ms 41884 KB Output is correct
15 Correct 177 ms 42136 KB Output is correct
16 Correct 4 ms 7380 KB Output is correct
17 Correct 4 ms 7380 KB Output is correct
18 Correct 4 ms 7380 KB Output is correct
19 Correct 4 ms 7380 KB Output is correct
20 Correct 4 ms 7280 KB Output is correct
21 Correct 5 ms 7380 KB Output is correct
22 Correct 4 ms 7380 KB Output is correct
23 Correct 4 ms 7356 KB Output is correct
24 Correct 4 ms 7380 KB Output is correct
25 Correct 4 ms 7380 KB Output is correct