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Submission #307842

# Submission time Handle Problem Language Result Execution time Memory
307842 2020-09-29T11:48:03 Z 2fat2code Paths (BOI18_paths) C++17
100 / 100
 752 ms 173048 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define all(a) (a).begin(), (a).end()
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define fr first
#define sc second
#define int long long
#define mp make_pair
#define rc(s) return cout<<s,0
#define rcc(s) cout<<s,exit(0)

const int nmax = 300005;
const int mask = (1 << 5);

int n,m,k,dp[nmax][mask],tz[nmax][mask],color[nmax],ans;
vector<int>nod[nmax];

int32_t main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
    srand(chrono::steady_clock::now().time_since_epoch().count());
 //   freopen("input.in","r",stdin);
    cin >> n >> m >> k;
    for(int i=1;i<=n;i++){
        cin >> color[i];
        dp[i][1 << (color[i] - 1)] = 1;
    }
    for(int i=1;i<=m;i++){
        int x,y;
        cin >> x >> y;
        nod[x].push_back(y);
        nod[y].push_back(x);
    }
    for(int i=2;i<=k;i++){
        for(int j=1;j<=n;j++){
            for(int t=1;t<(1 << k);t++){
                tz[j][t] = dp[j][t];
                dp[j][t] = 0;
            }
        }
        for(int j=1;j<=n;j++){
            for(auto it : nod[j]){
                for(int t=1;t<(1<<k);t++){
                    if((t&(1<<(color[j] - 1))) == 0){
                        dp[j][t^(1<<(color[j]-1))] += tz[it][t];
                    }
                }
            }
        }
        for(int j=1;j<=n;j++){
            for(int t=1;t<(1<<k);t++){
                ans += dp[j][t];
            }
        }
    }
    cout << ans << '\n';
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 7424 KB Output is correct
2 Correct 5 ms 7424 KB Output is correct
3 Correct 6 ms 7424 KB Output is correct
4 Correct 6 ms 7456 KB Output is correct
5 Correct 6 ms 7424 KB Output is correct
6 Correct 6 ms 7424 KB Output is correct
7 Correct 6 ms 7424 KB Output is correct
8 Correct 6 ms 7424 KB Output is correct
9 Correct 5 ms 7424 KB Output is correct
10 Correct 5 ms 7424 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 97 ms 18936 KB Output is correct
2 Correct 72 ms 16760 KB Output is correct
3 Correct 503 ms 172536 KB Output is correct
4 Correct 159 ms 32636 KB Output is correct
5 Correct 125 ms 25196 KB Output is correct
6 Correct 359 ms 119908 KB Output is correct
7 Correct 501 ms 172536 KB Output is correct
8 Correct 510 ms 173048 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 7424 KB Output is correct
2 Correct 5 ms 7424 KB Output is correct
3 Correct 6 ms 7424 KB Output is correct
4 Correct 6 ms 7456 KB Output is correct
5 Correct 6 ms 7424 KB Output is correct
6 Correct 6 ms 7424 KB Output is correct
7 Correct 6 ms 7424 KB Output is correct
8 Correct 6 ms 7424 KB Output is correct
9 Correct 5 ms 7424 KB Output is correct
10 Correct 5 ms 7424 KB Output is correct
11 Correct 97 ms 18936 KB Output is correct
12 Correct 72 ms 16760 KB Output is correct
13 Correct 503 ms 172536 KB Output is correct
14 Correct 159 ms 32636 KB Output is correct
15 Correct 125 ms 25196 KB Output is correct
16 Correct 359 ms 119908 KB Output is correct
17 Correct 501 ms 172536 KB Output is correct
18 Correct 510 ms 173048 KB Output is correct
19 Correct 100 ms 19064 KB Output is correct
20 Correct 75 ms 16760 KB Output is correct
21 Correct 504 ms 172536 KB Output is correct
22 Correct 162 ms 32632 KB Output is correct
23 Correct 133 ms 25080 KB Output is correct
24 Correct 371 ms 119908 KB Output is correct
25 Correct 504 ms 172408 KB Output is correct
26 Correct 516 ms 173048 KB Output is correct
27 Correct 94 ms 16760 KB Output is correct
28 Correct 141 ms 21880 KB Output is correct
29 Correct 752 ms 172576 KB Output is correct
30 Correct 516 ms 94292 KB Output is correct
31 Correct 537 ms 94576 KB Output is correct
32 Correct 749 ms 172664 KB Output is correct
33 Correct 5 ms 7424 KB Output is correct
34 Correct 5 ms 7424 KB Output is correct
35 Correct 6 ms 7424 KB Output is correct
36 Correct 6 ms 7424 KB Output is correct
37 Correct 6 ms 7424 KB Output is correct
38 Correct 6 ms 7424 KB Output is correct
39 Correct 5 ms 7424 KB Output is correct
40 Correct 6 ms 7424 KB Output is correct
41 Correct 6 ms 7424 KB Output is correct
42 Correct 6 ms 7424 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7424 KB Output is correct
2 Correct 53 ms 10464 KB Output is correct
3 Correct 28 ms 10488 KB Output is correct
4 Correct 164 ms 63096 KB Output is correct
5 Correct 114 ms 63596 KB Output is correct
6 Correct 313 ms 63224 KB Output is correct
7 Correct 35 ms 10496 KB Output is correct
8 Correct 234 ms 63352 KB Output is correct
9 Correct 171 ms 63592 KB Output is correct
10 Correct 198 ms 63340 KB Output is correct
11 Correct 184 ms 36592 KB Output is correct
12 Correct 203 ms 50024 KB Output is correct
13 Correct 182 ms 36712 KB Output is correct
14 Correct 301 ms 63224 KB Output is correct
15 Correct 315 ms 63352 KB Output is correct
16 Correct 5 ms 7424 KB Output is correct
17 Correct 6 ms 7424 KB Output is correct
18 Correct 6 ms 7424 KB Output is correct
19 Correct 5 ms 7424 KB Output is correct
20 Correct 6 ms 7424 KB Output is correct
21 Correct 6 ms 7552 KB Output is correct
22 Correct 6 ms 7424 KB Output is correct
23 Correct 7 ms 7424 KB Output is correct
24 Correct 6 ms 7424 KB Output is correct
25 Correct 6 ms 7424 KB Output is correct