oj.uz

답안 #887159

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
887159 2023-12-13T23:01:37 Z amirhoseinfar1385 Cats or Dogs (JOI18_catdog) C++17
38 / 100
 3000 ms 7132 KB 
#include "catdog.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn=100000+10;
vector<int>adj[maxn];
int val[maxn],n,inf=1e6+5;
void pre(int u,int par=0){
    int j=-1;
    for(int i=0;i<(int)adj[u].size();i++){
        if(adj[u][i]!=par){
            pre(adj[u][i],u);
        }
        else{
            j=i;
        }
    }
    if(j>=0){
        adj[u].erase(adj[u].begin()+j);
    }
    return ;
}

pair<int,int>cal(int u){
    vector<pair<int,int>>ret;
    for(auto x:adj[u]){
        ret.push_back(cal(x));
    }
    int red=0,blue=0;
    for(int i=0;i<(int)ret.size();i++){
        red+=min(ret[i].first,ret[i].second+1);
        blue+=min(ret[i].first+1,ret[i].second);
    }
    if(val[u]==0){
        return make_pair(red,blue);
    }
    else if(val[u]==1){
        return make_pair(red,inf);
    }
    else{
        return make_pair(inf,blue);
    }
}

void initialize(int N, std::vector<int> A, std::vector<int> B) {
    n=N;
    for(int i=0;i<n-1;i++){
        adj[A[i]].push_back(B[i]);
        adj[B[i]].push_back(A[i]);
    }
    pre(1);
}

int cat(int v) {
    val[v]=1;
    pair<int,int>res=cal(1);
    return min(res.first,res.second);
}

int dog(int v) {
    val[v]=2;
    pair<int,int>res=cal(1);
    return min(res.first,res.second);
}

int neighbor(int v) {
    val[v]=0;
    pair<int,int>res=cal(1);
    return min(res.first,res.second);
}

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2908 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 1 ms 2908 KB Output is correct
4 Correct 2 ms 2908 KB Output is correct
5 Correct 1 ms 2904 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 1 ms 2908 KB Output is correct
8 Correct 1 ms 2904 KB Output is correct
9 Correct 1 ms 2904 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 1 ms 2908 KB Output is correct
12 Correct 1 ms 2904 KB Output is correct
13 Correct 1 ms 2908 KB Output is correct
14 Correct 1 ms 2908 KB Output is correct
15 Correct 1 ms 2908 KB Output is correct
16 Correct 1 ms 3004 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2908 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 1 ms 2908 KB Output is correct
4 Correct 2 ms 2908 KB Output is correct
5 Correct 1 ms 2904 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 1 ms 2908 KB Output is correct
8 Correct 1 ms 2904 KB Output is correct
9 Correct 1 ms 2904 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 1 ms 2908 KB Output is correct
12 Correct 1 ms 2904 KB Output is correct
13 Correct 1 ms 2908 KB Output is correct
14 Correct 1 ms 2908 KB Output is correct
15 Correct 1 ms 2908 KB Output is correct
16 Correct 1 ms 3004 KB Output is correct
17 Correct 17 ms 2904 KB Output is correct
18 Correct 20 ms 2908 KB Output is correct
19 Correct 10 ms 2908 KB Output is correct
20 Correct 1 ms 2904 KB Output is correct
21 Correct 3 ms 2908 KB Output is correct
22 Correct 6 ms 2908 KB Output is correct
23 Correct 28 ms 2908 KB Output is correct
24 Correct 19 ms 2908 KB Output is correct
25 Correct 9 ms 2908 KB Output is correct
26 Correct 4 ms 3036 KB Output is correct
27 Correct 3 ms 2908 KB Output is correct
28 Correct 7 ms 2908 KB Output is correct
29 Correct 26 ms 3132 KB Output is correct
30 Correct 2 ms 2908 KB Output is correct
31 Correct 2 ms 2904 KB Output is correct
32 Correct 3 ms 2908 KB Output is correct

Subtask #3
0 / 62.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2908 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 1 ms 2908 KB Output is correct
4 Correct 2 ms 2908 KB Output is correct
5 Correct 1 ms 2904 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 1 ms 2908 KB Output is correct
8 Correct 1 ms 2904 KB Output is correct
9 Correct 1 ms 2904 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 1 ms 2908 KB Output is correct
12 Correct 1 ms 2904 KB Output is correct
13 Correct 1 ms 2908 KB Output is correct
14 Correct 1 ms 2908 KB Output is correct
15 Correct 1 ms 2908 KB Output is correct
16 Correct 1 ms 3004 KB Output is correct
17 Correct 17 ms 2904 KB Output is correct
18 Correct 20 ms 2908 KB Output is correct
19 Correct 10 ms 2908 KB Output is correct
20 Correct 1 ms 2904 KB Output is correct
21 Correct 3 ms 2908 KB Output is correct
22 Correct 6 ms 2908 KB Output is correct
23 Correct 28 ms 2908 KB Output is correct
24 Correct 19 ms 2908 KB Output is correct
25 Correct 9 ms 2908 KB Output is correct
26 Correct 4 ms 3036 KB Output is correct
27 Correct 3 ms 2908 KB Output is correct
28 Correct 7 ms 2908 KB Output is correct
29 Correct 26 ms 3132 KB Output is correct
30 Correct 2 ms 2908 KB Output is correct
31 Correct 2 ms 2904 KB Output is correct
32 Correct 3 ms 2908 KB Output is correct
33 Execution timed out 3012 ms 7132 KB Time limit exceeded
34 Halted 0 ms 0 KB -