oj.uz

Submission #108086

# Submission time Handle Problem Language Result Execution time Memory
108086 2019-04-27T09:13:17 Z Abelyan Paths (BOI18_paths) C++17
70 / 100
 654 ms 97280 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;

#define FOR(i,a) for (int i=0;i<(a);++i)
#define FORD(i,a) for (int i=(a)-1;i>=0;i--)
#define FORT(i,a,b) for (int i=(a);i<=(b);++i)
#define FORTD(i,b,a) for (int i=(b);i>=(a);--i)
#define trav(i,v) for (auto i : v)
#define all(v) v.begin(),v.end()
#define ad push_back
#define fr first
#define sc second
#define mpr(a,b) make_pair(a,b)
#define pir pair<int,int>
#define all(v) v.begin(),v.end()
#define make_unique(v) v.erase(unique(all(v),v.end()))
#define fastio ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define dbg(x);
#define dbgv(v);
#define srng mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())
#define y1 EsiHancagorcRepa
#ifdef ALEXPC
#define dbg(x); cout<<#x<<" = "<<x<<endl
#define dbgv(v); cout<<#v<<" = ["; trav(tv,v)cout<<"tv,";cout<<"]"<<endl
#endif

const int N=3*1e5+6;
const ll MOD=1000*1000*1000+7;

int f[N];
ll dp[N][32];
vector<int> g[N];

void rec(int v,int mask){
    if (dp[v][mask]!=-1)return;
    dp[v][mask]=1;
    trav(to,g[v]){
        if (f[to]&mask)continue;
        rec(to,mask+f[to]);
        dp[v][mask]+=dp[to][mask+f[to]];
        //cout<<v<<" "<<mask<<" "<<dp[to][ma]
    }

}

int main(){
    fastio;
    srng;
    int n, m, k;
	cin >> n >> m >> k;
	FOR(i, n) {
		cin >> f[i+1];
		f[i+1]--;
		f[i+1]=(1<<f[i+1]);
		FOR(j,31)dp[i+1][j]=-1;
	}
	FOR(i, m) {
		int a, b;
		cin >> a >> b;
		g[a].push_back(b);
		g[b].push_back(a);
	}
    ll ans=0;
    FORT(i,1,n){
        rec(i,f[i]);
        ans+=dp[i][f[i]];
    }
    cout<<ans-n<<endl;
    return 0;
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 7424 KB Output is correct
2 Correct 9 ms 7424 KB Output is correct
3 Correct 9 ms 7424 KB Output is correct
4 Correct 9 ms 7424 KB Output is correct
5 Correct 10 ms 7424 KB Output is correct
6 Correct 11 ms 7424 KB Output is correct
7 Correct 10 ms 7424 KB Output is correct
8 Correct 9 ms 7424 KB Output is correct
9 Correct 10 ms 7424 KB Output is correct
10 Correct 9 ms 7424 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 146 ms 15224 KB Output is correct
2 Correct 88 ms 13404 KB Output is correct
3 Correct 503 ms 96668 KB Output is correct
4 Correct 259 ms 22908 KB Output is correct
5 Correct 201 ms 23012 KB Output is correct
6 Correct 360 ms 69488 KB Output is correct
7 Correct 582 ms 96632 KB Output is correct
8 Correct 483 ms 97280 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 7424 KB Output is correct
2 Correct 9 ms 7424 KB Output is correct
3 Correct 9 ms 7424 KB Output is correct
4 Correct 9 ms 7424 KB Output is correct
5 Correct 10 ms 7424 KB Output is correct
6 Correct 11 ms 7424 KB Output is correct
7 Correct 10 ms 7424 KB Output is correct
8 Correct 9 ms 7424 KB Output is correct
9 Correct 10 ms 7424 KB Output is correct
10 Correct 9 ms 7424 KB Output is correct
11 Correct 146 ms 15224 KB Output is correct
12 Correct 88 ms 13404 KB Output is correct
13 Correct 503 ms 96668 KB Output is correct
14 Correct 259 ms 22908 KB Output is correct
15 Correct 201 ms 23012 KB Output is correct
16 Correct 360 ms 69488 KB Output is correct
17 Correct 582 ms 96632 KB Output is correct
18 Correct 483 ms 97280 KB Output is correct
19 Correct 95 ms 15244 KB Output is correct
20 Correct 74 ms 13476 KB Output is correct
21 Correct 509 ms 96632 KB Output is correct
22 Correct 155 ms 22904 KB Output is correct
23 Correct 129 ms 22880 KB Output is correct
24 Correct 298 ms 69592 KB Output is correct
25 Correct 459 ms 96508 KB Output is correct
26 Correct 443 ms 97144 KB Output is correct
27 Correct 88 ms 13304 KB Output is correct
28 Correct 135 ms 16632 KB Output is correct
29 Correct 597 ms 96668 KB Output is correct
30 Correct 423 ms 55640 KB Output is correct
31 Correct 558 ms 55780 KB Output is correct
32 Correct 654 ms 96708 KB Output is correct
33 Correct 10 ms 7424 KB Output is correct
34 Correct 10 ms 7424 KB Output is correct
35 Correct 8 ms 7424 KB Output is correct
36 Correct 9 ms 7424 KB Output is correct
37 Correct 9 ms 7424 KB Output is correct
38 Correct 10 ms 7424 KB Output is correct
39 Correct 8 ms 7424 KB Output is correct
40 Correct 8 ms 7424 KB Output is correct
41 Correct 9 ms 7424 KB Output is correct
42 Correct 10 ms 7424 KB Output is correct

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7424 KB Output is correct
2 Incorrect 46 ms 9316 KB Output isn't correct
3 Halted 0 ms 0 KB -