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Submission #547603

# Submission time Handle Problem Language Result Execution time Memory
547603 2022-04-11T04:40:22 Z Jomnoi Paths (BOI18_paths) C++17
100 / 100
 200 ms 83560 KB 
#include <bits/stdc++.h>
#define DEBUG 0
using namespace std;

const int MAX_N = 3e5 + 10;
const int MAX_K = 5;

int a[MAX_N], b[MAX_N], c[MAX_N];
long long dp[MAX_N][1<<MAX_K];

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int N, M, K;
    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++) {
        cin >> a[i] >> b[i];
    }

    long long ans = 0;
    for(int mask = 1; mask < (1<<K); mask++) {
        if(__builtin_popcount(mask) == 1) {
            continue;
        }

        for(int i = 1; i <= M; i++) {
            if(mask & (1<<c[a[i]])) {
                dp[a[i]][mask] += dp[b[i]][mask ^ (1<<c[a[i]])];
            }
            if(mask & (1<<c[b[i]])) {
                dp[b[i]][mask] += dp[a[i]][mask ^ (1<<c[b[i]])];
            }
        }
        for(int i = 1; i <= N; i++) {
            ans += dp[i][mask];
        }
    }
    cout << ans;
    return 0;
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 6640 KB Output is correct
2 Correct 51 ms 5036 KB Output is correct
3 Correct 134 ms 83396 KB Output is correct
4 Correct 56 ms 13596 KB Output is correct
5 Correct 68 ms 13648 KB Output is correct
6 Correct 127 ms 57548 KB Output is correct
7 Correct 141 ms 83460 KB Output is correct
8 Correct 142 ms 83504 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 57 ms 6640 KB Output is correct
12 Correct 51 ms 5036 KB Output is correct
13 Correct 134 ms 83396 KB Output is correct
14 Correct 56 ms 13596 KB Output is correct
15 Correct 68 ms 13648 KB Output is correct
16 Correct 127 ms 57548 KB Output is correct
17 Correct 141 ms 83460 KB Output is correct
18 Correct 142 ms 83504 KB Output is correct
19 Correct 58 ms 6752 KB Output is correct
20 Correct 50 ms 5064 KB Output is correct
21 Correct 136 ms 83448 KB Output is correct
22 Correct 58 ms 13600 KB Output is correct
23 Correct 69 ms 13660 KB Output is correct
24 Correct 109 ms 57680 KB Output is correct
25 Correct 133 ms 83344 KB Output is correct
26 Correct 142 ms 83560 KB Output is correct
27 Correct 72 ms 5016 KB Output is correct
28 Correct 80 ms 7500 KB Output is correct
29 Correct 196 ms 83512 KB Output is correct
30 Correct 166 ms 44980 KB Output is correct
31 Correct 173 ms 44768 KB Output is correct
32 Correct 200 ms 83448 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 42 ms 1976 KB Output is correct
3 Correct 17 ms 1872 KB Output is correct
4 Correct 49 ms 27884 KB Output is correct
5 Correct 42 ms 27832 KB Output is correct
6 Correct 114 ms 27792 KB Output is correct
7 Correct 26 ms 1880 KB Output is correct
8 Correct 71 ms 27908 KB Output is correct
9 Correct 59 ms 27852 KB Output is correct
10 Correct 61 ms 27916 KB Output is correct
11 Correct 74 ms 14796 KB Output is correct
12 Correct 100 ms 21504 KB Output is correct
13 Correct 82 ms 14900 KB Output is correct
14 Correct 100 ms 27852 KB Output is correct
15 Correct 100 ms 27908 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 328 KB Output is correct