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Submission #319320

# Submission time Handle Problem Language Result Execution time Memory
319320 2020-11-04T17:39:46 Z OttoTheDino Paths (BOI18_paths) C++17
100 / 100
 527 ms 153364 KB 
#include <bits/stdc++.h>
using namespace std;

#define rep(n)      for (int i = 0; i < n; ++i)
#define rep2(n)     for (int j = 0; j < n; ++j)
#define mp          make_pair
#define pb          push_back
#define fi          first
#define se          second
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef pair<double, double> dd;

const int mxn = 5e5+5, mxa = 32;

ll dp[mxn][mxa], col[mxn];
vi neibs[mxn];

ll f (int c, int C) {
    if (dp[c][C]!=-1) return dp[c][C];
    ll res = C!=0, cur = C|(1<<col[c]);
    for (int v : neibs[c]) if (((1<<col[v])&cur)==0) res += f (v, cur);
    dp[c][C] = res;
    return res;
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    memset(dp, -1, mxn*mxa*sizeof(ll));
    int n, m, k, a, b;
    cin >> n >> m >> k;
    rep (n) {
       cin >> col[i];
       col[i]--;
    }
    rep (m) {
        cin >> a >> b;
        neibs[a-1].pb(b-1);
        neibs[b-1].pb(a-1);
    }
    
    ll ans = 0;
    rep (n) ans += f(i, 0);

    cout << ans << "\n";

    return 0;
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 137324 KB Output is correct
2 Correct 69 ms 137316 KB Output is correct
3 Correct 70 ms 137316 KB Output is correct
4 Correct 70 ms 137320 KB Output is correct
5 Correct 69 ms 137316 KB Output is correct
6 Correct 69 ms 137320 KB Output is correct
7 Correct 70 ms 137316 KB Output is correct
8 Correct 69 ms 137336 KB Output is correct
9 Correct 71 ms 137316 KB Output is correct
10 Correct 69 ms 137316 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 150 ms 141028 KB Output is correct
2 Correct 134 ms 140900 KB Output is correct
3 Correct 446 ms 148128 KB Output is correct
4 Correct 183 ms 145380 KB Output is correct
5 Correct 181 ms 145572 KB Output is correct
6 Correct 329 ms 150256 KB Output is correct
7 Correct 444 ms 152624 KB Output is correct
8 Correct 420 ms 153364 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 137324 KB Output is correct
2 Correct 69 ms 137316 KB Output is correct
3 Correct 70 ms 137316 KB Output is correct
4 Correct 70 ms 137320 KB Output is correct
5 Correct 69 ms 137316 KB Output is correct
6 Correct 69 ms 137320 KB Output is correct
7 Correct 70 ms 137316 KB Output is correct
8 Correct 69 ms 137336 KB Output is correct
9 Correct 71 ms 137316 KB Output is correct
10 Correct 69 ms 137316 KB Output is correct
11 Correct 150 ms 141028 KB Output is correct
12 Correct 134 ms 140900 KB Output is correct
13 Correct 446 ms 148128 KB Output is correct
14 Correct 183 ms 145380 KB Output is correct
15 Correct 181 ms 145572 KB Output is correct
16 Correct 329 ms 150256 KB Output is correct
17 Correct 444 ms 152624 KB Output is correct
18 Correct 420 ms 153364 KB Output is correct
19 Correct 154 ms 144100 KB Output is correct
20 Correct 135 ms 143204 KB Output is correct
21 Correct 437 ms 152552 KB Output is correct
22 Correct 190 ms 145384 KB Output is correct
23 Correct 174 ms 145380 KB Output is correct
24 Correct 336 ms 150100 KB Output is correct
25 Correct 452 ms 152548 KB Output is correct
26 Correct 422 ms 153316 KB Output is correct
27 Correct 154 ms 143332 KB Output is correct
28 Correct 187 ms 144712 KB Output is correct
29 Correct 523 ms 152700 KB Output is correct
30 Correct 422 ms 148440 KB Output is correct
31 Correct 453 ms 148440 KB Output is correct
32 Correct 527 ms 152548 KB Output is correct
33 Correct 72 ms 137316 KB Output is correct
34 Correct 70 ms 137444 KB Output is correct
35 Correct 71 ms 137316 KB Output is correct
36 Correct 70 ms 137316 KB Output is correct
37 Correct 70 ms 137316 KB Output is correct
38 Correct 69 ms 137316 KB Output is correct
39 Correct 72 ms 137444 KB Output is correct
40 Correct 71 ms 137316 KB Output is correct
41 Correct 72 ms 137316 KB Output is correct
42 Correct 69 ms 137316 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 137316 KB Output is correct
2 Correct 110 ms 138468 KB Output is correct
3 Correct 93 ms 138468 KB Output is correct
4 Correct 155 ms 140900 KB Output is correct
5 Correct 128 ms 141656 KB Output is correct
6 Correct 212 ms 140900 KB Output is correct
7 Correct 98 ms 138468 KB Output is correct
8 Correct 176 ms 140900 KB Output is correct
9 Correct 133 ms 141660 KB Output is correct
10 Correct 170 ms 141792 KB Output is correct
11 Correct 167 ms 139616 KB Output is correct
12 Correct 145 ms 140892 KB Output is correct
13 Correct 163 ms 139748 KB Output is correct
14 Correct 194 ms 140900 KB Output is correct
15 Correct 172 ms 141156 KB Output is correct
16 Correct 69 ms 137316 KB Output is correct
17 Correct 70 ms 137316 KB Output is correct
18 Correct 69 ms 137444 KB Output is correct
19 Correct 69 ms 137316 KB Output is correct
20 Correct 71 ms 137316 KB Output is correct
21 Correct 70 ms 137288 KB Output is correct
22 Correct 69 ms 137316 KB Output is correct
23 Correct 70 ms 137316 KB Output is correct
24 Correct 70 ms 137316 KB Output is correct
25 Correct 69 ms 137316 KB Output is correct