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답안 #900583

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
900583 2024-01-08T15:01:26 Z HamzaT Cijanobakterije (COCI21_cijanobakterije) C++14
70 / 70
 37 ms 19924 KB 
//struct Edge {int u, v, weight;bool operator<(Edge const& other) {return weight < other.weight;}};
#include <bits/stdc++.h>
#define endl "\n"
#define ll long long
#define sp ' '
#define pb push_back
#define ar for(int i=1;i<=n;i++)
using namespace std;
ll t=1;
const ll N=3e5+100;
ll n,m,q,k;
ll a[N],b[N],c[N];
bool vis[N];
ll mx=0;
ll ans=0;
ll last;
vector<int>vnum;
vector<int>v[N];
void dfs(ll x,ll y)
{
    vnum.push_back(x);
    vis[x]=1;
    if(mx<y){
    mx=max(mx,y);last=x;}
    for(auto i:v[x])
    {
        if(!vis[i]){dfs(i,y+1);}
    }
}
void solve()
{
    cin>>n>>m;
    while(m--)
    {
        ll x,y;cin>>x>>y;
        v[x].push_back(y);
        v[y].push_back(x);
    }
    for(int i=1;i<=n;i++)
    {
        if(!vis[i])
        {
            vnum.clear();
            mx=0;
            last=0;
            dfs(i,1);
            mx=0;
            if(last==0){continue;}
            for(auto i:vnum){vis[i]=0;}
            dfs(last,1);
            ans+=mx;
        }
    }
    cout<<ans<<endl;return;
}
int main()
{
    //freopen("shell.in", "r", stdin);
   // freopen("shell.out", "w", stdout);
    ios::sync_with_stdio(NULL);
    cin.tie(NULL);cout.tie(NULL);
    // cin>>t;
    while(t--){solve();}
    return 0;
}
//09:00 :: 9:45
//10:30 ::

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 9820 KB Output is correct
2 Correct 11 ms 10712 KB Output is correct
3 Correct 15 ms 11488 KB Output is correct
4 Correct 22 ms 12756 KB Output is correct
5 Correct 24 ms 13512 KB Output is correct
6 Correct 37 ms 14348 KB Output is correct

Subtask #2
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 19924 KB Output is correct
2 Correct 4 ms 9304 KB Output is correct
3 Correct 6 ms 9616 KB Output is correct
4 Correct 8 ms 10300 KB Output is correct

Subtask #3
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 9048 KB Output is correct
2 Correct 2 ms 8792 KB Output is correct
3 Correct 2 ms 8796 KB Output is correct
4 Correct 2 ms 8792 KB Output is correct
5 Correct 6 ms 9564 KB Output is correct
6 Correct 7 ms 10452 KB Output is correct
7 Correct 9 ms 11232 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 8796 KB Output is correct
2 Correct 2 ms 8796 KB Output is correct
3 Correct 2 ms 8796 KB Output is correct
4 Correct 2 ms 8796 KB Output is correct
5 Correct 3 ms 8792 KB Output is correct
6 Correct 2 ms 8796 KB Output is correct
7 Correct 2 ms 8792 KB Output is correct
8 Correct 2 ms 8792 KB Output is correct
9 Correct 2 ms 8796 KB Output is correct
10 Correct 3 ms 8792 KB Output is correct
11 Correct 2 ms 8796 KB Output is correct

Subtask #5
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 9820 KB Output is correct
2 Correct 11 ms 10712 KB Output is correct
3 Correct 15 ms 11488 KB Output is correct
4 Correct 22 ms 12756 KB Output is correct
5 Correct 24 ms 13512 KB Output is correct
6 Correct 37 ms 14348 KB Output is correct
7 Correct 28 ms 19924 KB Output is correct
8 Correct 4 ms 9304 KB Output is correct
9 Correct 6 ms 9616 KB Output is correct
10 Correct 8 ms 10300 KB Output is correct
11 Correct 2 ms 9048 KB Output is correct
12 Correct 2 ms 8792 KB Output is correct
13 Correct 2 ms 8796 KB Output is correct
14 Correct 2 ms 8792 KB Output is correct
15 Correct 6 ms 9564 KB Output is correct
16 Correct 7 ms 10452 KB Output is correct
17 Correct 9 ms 11232 KB Output is correct
18 Correct 2 ms 8796 KB Output is correct
19 Correct 2 ms 8796 KB Output is correct
20 Correct 2 ms 8796 KB Output is correct
21 Correct 2 ms 8796 KB Output is correct
22 Correct 3 ms 8792 KB Output is correct
23 Correct 2 ms 8796 KB Output is correct
24 Correct 2 ms 8792 KB Output is correct
25 Correct 2 ms 8792 KB Output is correct
26 Correct 2 ms 8796 KB Output is correct
27 Correct 3 ms 8792 KB Output is correct
28 Correct 2 ms 8796 KB Output is correct
29 Correct 32 ms 14536 KB Output is correct
30 Correct 10 ms 9816 KB Output is correct
31 Correct 19 ms 12636 KB Output is correct
32 Correct 12 ms 10588 KB Output is correct
33 Correct 24 ms 12964 KB Output is correct
34 Correct 20 ms 11228 KB Output is correct
35 Correct 23 ms 12628 KB Output is correct
36 Correct 24 ms 12504 KB Output is correct
37 Correct 35 ms 12880 KB Output is correct
38 Correct 29 ms 13528 KB Output is correct
39 Correct 22 ms 12632 KB Output is correct