oj.uz

답안 #772141

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
772141 2023-07-03T17:02:03 Z Ozy Cijanobakterije (COCI21_cijanobakterije) C++17
70 / 70
 35 ms 12420 KB 
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define debug(a) cout << #a << " = " << a << endl
#define debugsl(a) cout << #a << " = " << a << ", "
#define rep(i,a,b) for(int i = (a); i <= (b); i++)
#define repa(i,a,b) for(int i = (a); i >= (b); i--)
#define pll pair<lli,lli>

#define MAX 100000
//para el mejor
#define nod first
#define prof second

lli a,b,n,m,res;
lli vis[MAX+2];
vector<lli> hijos[MAX+2];
pll mejor;

void dfs(lli pos, lli p) {

    vis[pos] = 1;
    if (mejor.prof < p) mejor = {pos,p};

    for(auto h : hijos[pos]) {
        if (vis[h] == 1) continue;
        dfs(h,p+1);
    }
}

lli cuenta(lli pos) {

    lli sum = 0;
    vis[pos] = 2;
    for(auto h : hijos[pos]) {
        if (vis[h] == 2) continue;
        sum = max(sum, cuenta(h));
    }
    sum++;
    return sum;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n >> m;
    rep(i,1,m) {
        cin >> a >> b;
        hijos[a].push_back(b);
        hijos[b].push_back(a);
    }

    rep(i,1,n) {
        if (vis[i] > 0) continue;
        mejor = {0,0};
        dfs(i,1);
        res += cuenta(mejor.nod);
    }

    cout << res;
    return 0;
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 3500 KB Output is correct
2 Correct 13 ms 4544 KB Output is correct
3 Correct 16 ms 5436 KB Output is correct
4 Correct 24 ms 6376 KB Output is correct
5 Correct 22 ms 7400 KB Output is correct
6 Correct 33 ms 8276 KB Output is correct

Subtask #2
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 12420 KB Output is correct
2 Correct 4 ms 3204 KB Output is correct
3 Correct 6 ms 3860 KB Output is correct
4 Correct 7 ms 4456 KB Output is correct

Subtask #3
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2680 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 4 ms 3408 KB Output is correct
6 Correct 6 ms 4180 KB Output is correct
7 Correct 12 ms 4992 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2684 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2684 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 1 ms 2676 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2684 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct

Subtask #5
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 3500 KB Output is correct
2 Correct 13 ms 4544 KB Output is correct
3 Correct 16 ms 5436 KB Output is correct
4 Correct 24 ms 6376 KB Output is correct
5 Correct 22 ms 7400 KB Output is correct
6 Correct 33 ms 8276 KB Output is correct
7 Correct 32 ms 12420 KB Output is correct
8 Correct 4 ms 3204 KB Output is correct
9 Correct 6 ms 3860 KB Output is correct
10 Correct 7 ms 4456 KB Output is correct
11 Correct 1 ms 2644 KB Output is correct
12 Correct 1 ms 2680 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 4 ms 3408 KB Output is correct
16 Correct 6 ms 4180 KB Output is correct
17 Correct 12 ms 4992 KB Output is correct
18 Correct 2 ms 2684 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2684 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct
22 Correct 2 ms 2644 KB Output is correct
23 Correct 1 ms 2676 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 2 ms 2684 KB Output is correct
26 Correct 2 ms 2644 KB Output is correct
27 Correct 2 ms 2644 KB Output is correct
28 Correct 2 ms 2644 KB Output is correct
29 Correct 27 ms 8260 KB Output is correct
30 Correct 12 ms 4492 KB Output is correct
31 Correct 18 ms 7316 KB Output is correct
32 Correct 14 ms 5332 KB Output is correct
33 Correct 24 ms 7936 KB Output is correct
34 Correct 16 ms 6024 KB Output is correct
35 Correct 21 ms 7544 KB Output is correct
36 Correct 35 ms 6724 KB Output is correct
37 Correct 23 ms 7884 KB Output is correct
38 Correct 28 ms 7400 KB Output is correct
39 Correct 23 ms 7628 KB Output is correct