oj.uz

Submission #361224

# Submission time Handle Problem Language Result Execution time Memory
361224 2021-01-28T18:22:49 Z BartolM Cats or Dogs (JOI18_catdog) C++17
38 / 100
 40 ms 4460 KB 
#include "catdog.h"
#include <bits/stdc++.h>

using namespace std;

#define X first
#define Y second
#define mp make_pair
#define pb push_back
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <int, pii> pip;
typedef pair <pii, int> ppi;
typedef pair <ll, ll> pll;

const int INF=0x3f3f3f3f;
const int MAXN=1005;

int x;
int dp[MAXN][3];
int p[MAXN];
int n;
vector <int> ls[MAXN];

int rek(int node, int fl, int par=0) {
    if (p[node] && p[node]!=fl) return INF;

    int &ret=dp[node][fl];
    if (ret!=-1) return ret;

    ret=0;
    for (int sus:ls[node]) {
        if (sus!=par) ret+=min(rek(sus, fl, node), rek(sus, 3-fl, node)+1);
    }
    return ret;
}

//prazno=0, cat=1, dog=2
void initialize(int N, std::vector<int> A, std::vector<int> B) {
    n=N;
    for (int i=0; i<n-1; ++i) ls[A[i]].pb(B[i]), ls[B[i]].pb(A[i]);
}

int solve() {
    memset(dp, -1, sizeof dp);
    return min(rek(1, 1), rek(1, 2));
}

int cat(int v) {
    p[v]=1;
    return solve();
}

int dog(int v) {
    p[v]=2;
    return solve();
}

int neighbor(int v) {
    p[v]=0;
    return solve();
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 384 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 22 ms 476 KB Output is correct
18 Correct 30 ms 380 KB Output is correct
19 Correct 14 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 4 ms 364 KB Output is correct
22 Correct 5 ms 364 KB Output is correct
23 Correct 31 ms 492 KB Output is correct
24 Correct 26 ms 364 KB Output is correct
25 Correct 11 ms 364 KB Output is correct
26 Correct 5 ms 364 KB Output is correct
27 Correct 4 ms 364 KB Output is correct
28 Correct 7 ms 492 KB Output is correct
29 Correct 38 ms 492 KB Output is correct
30 Correct 5 ms 364 KB Output is correct
31 Correct 4 ms 364 KB Output is correct
32 Correct 8 ms 364 KB Output is correct

Subtask #3
0 / 62.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 22 ms 476 KB Output is correct
18 Correct 30 ms 380 KB Output is correct
19 Correct 14 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 4 ms 364 KB Output is correct
22 Correct 5 ms 364 KB Output is correct
23 Correct 31 ms 492 KB Output is correct
24 Correct 26 ms 364 KB Output is correct
25 Correct 11 ms 364 KB Output is correct
26 Correct 5 ms 364 KB Output is correct
27 Correct 4 ms 364 KB Output is correct
28 Correct 7 ms 492 KB Output is correct
29 Correct 38 ms 492 KB Output is correct
30 Correct 5 ms 364 KB Output is correct
31 Correct 4 ms 364 KB Output is correct
32 Correct 8 ms 364 KB Output is correct
33 Runtime error 40 ms 4460 KB Execution killed with signal 11
34 Halted 0 ms 0 KB -