oj.uz

답안 #880160

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
880160 2023-11-28T22:12:53 Z JoksimKaktus Cijanobakterije (COCI21_cijanobakterije) C++17
70 / 70
 30 ms 10440 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;
void output(bool yes){yes ? cout << "Yes" << "\n" : cout << "No" << "\n";}

vector <int> adj[100005];
int point = 1;
int maxi = 1;
vector <bool> vis(100005);

void dfs(int i,int p,int cur){
    vis[i]=true;
    if(cur > maxi){
        maxi = cur;
        point = i;
    }
    for(int j : adj[i]){
        if(j != p){
            dfs(j,i,cur+1);
        }
    }
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(0);
    int n,m;
    cin >> n >> m;
    for(int i = 0;i < m;i++){
        int u,v;
        cin >> u >> v;
        adj[u].push_back(v);
        adj[v].push_back(u);
    }
    int res = 0;
    for(int i = 1;i <= n;i++){
        if(!vis[i]){
            point = i;
            dfs(i,-1,1);
            dfs(point,-1,1);
            res += maxi;
            maxi = 1;
        }
    }
    cout << res << "\n";
    return 0;
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 3160 KB Output is correct
2 Correct 9 ms 3676 KB Output is correct
3 Correct 16 ms 4188 KB Output is correct
4 Correct 16 ms 4956 KB Output is correct
5 Correct 20 ms 5388 KB Output is correct
6 Correct 23 ms 5980 KB Output is correct

Subtask #2
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 10440 KB Output is correct
2 Correct 2 ms 3164 KB Output is correct
3 Correct 4 ms 3676 KB Output is correct
4 Correct 6 ms 4276 KB Output is correct

Subtask #3
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2648 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 3 ms 3164 KB Output is correct
6 Correct 5 ms 3932 KB Output is correct
7 Correct 7 ms 4444 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2904 KB Output is correct
10 Correct 1 ms 2828 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct

Subtask #5
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 3160 KB Output is correct
2 Correct 9 ms 3676 KB Output is correct
3 Correct 16 ms 4188 KB Output is correct
4 Correct 16 ms 4956 KB Output is correct
5 Correct 20 ms 5388 KB Output is correct
6 Correct 23 ms 5980 KB Output is correct
7 Correct 21 ms 10440 KB Output is correct
8 Correct 2 ms 3164 KB Output is correct
9 Correct 4 ms 3676 KB Output is correct
10 Correct 6 ms 4276 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2648 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 3 ms 3164 KB Output is correct
16 Correct 5 ms 3932 KB Output is correct
17 Correct 7 ms 4444 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 1 ms 2652 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 1 ms 2652 KB Output is correct
23 Correct 1 ms 2652 KB Output is correct
24 Correct 1 ms 2652 KB Output is correct
25 Correct 1 ms 2652 KB Output is correct
26 Correct 1 ms 2904 KB Output is correct
27 Correct 1 ms 2828 KB Output is correct
28 Correct 1 ms 2652 KB Output is correct
29 Correct 30 ms 6964 KB Output is correct
30 Correct 8 ms 3828 KB Output is correct
31 Correct 16 ms 6492 KB Output is correct
32 Correct 10 ms 4696 KB Output is correct
33 Correct 21 ms 7004 KB Output is correct
34 Correct 14 ms 5212 KB Output is correct
35 Correct 24 ms 6988 KB Output is correct
36 Correct 18 ms 5700 KB Output is correct
37 Correct 22 ms 6748 KB Output is correct
38 Correct 22 ms 6456 KB Output is correct
39 Correct 20 ms 6632 KB Output is correct