oj.uz

답안 #1045814

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1045814 2024-08-06T07:54:26 Z CyberCow Petrol stations (CEOI24_stations) C++17
18 / 100
 27 ms 528 KB 
#include <random>
#include <algorithm>
#include <bitset>
#include <chrono>
#include <cmath>
#include <deque>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include <chrono>
#define m_p make_pair
#define all(x) (x).begin(),(x).end()
#define sz(x) ((x).size())
typedef long long ll;
using ull = unsigned long long;
using namespace std;
mt19937 rnd(348502);
ll mod1 = 998244353;
ll mod = 1e9 + 7;
const ll N = 1005;

vector<pair<int, int>> v[N];
int ans[N], k, sz[N];

void getsz(int g, int p)
{
    sz[g] = 1;
    for (auto to : v[g])
    {
        if (to.first != p)
        {
            getsz(to.first, g);
            sz[g] += sz[to.first];
        }
    }
}

void Dfs(int g, int p, int arj)
{
    for (auto to : v[g])
    {
        if (to.first != p)
        {
            if (to.second > arj)
            {
                ans[g]+=sz[to.first];
                Dfs(to.first, g, k - to.second);
            }
            else
            {
                Dfs(to.first, g, arj - to.second);
            }
        }
    }

}

void solve()
{
    int n, i, j, m, x, y, l;
    cin >> n >> k;
    if (n <= 1000)
    {
        for (i = 0; i < n - 1; i++)
        {
            cin >> x >> y >> l;
            v[x].push_back({ y, l });
            v[y].push_back({ x, l });
        }
        for ( i = 0; i < n; i++)
        {
            for ( j = 0; j < n; j++)
            {
                sz[j] = 0;
            }
            getsz(i, -1);
            Dfs(i, -1, k);
        }
        for ( i = 0; i < n; i++)
        {
            cout << ans[i] << '\n';
        }
    }
}


int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    ll tt = 1;
    //cin >> tt;
    while (tt--) {
        solve();
    }
    return 0;
}

Compilation message

Main.cpp: In function 'void solve()':
Main.cpp:69:18: warning: unused variable 'm' [-Wunused-variable]
   69 |     int n, i, j, m, x, y, l;
      |                  ^

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #1
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 11 ms 344 KB Output is correct
4 Correct 16 ms 520 KB Output is correct
5 Correct 14 ms 348 KB Output is correct
6 Correct 27 ms 348 KB Output is correct
7 Correct 18 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 10 ms 524 KB Output is correct
10 Correct 10 ms 344 KB Output is correct
11 Correct 9 ms 348 KB Output is correct
12 Correct 9 ms 528 KB Output is correct
13 Correct 10 ms 344 KB Output is correct
14 Correct 6 ms 528 KB Output is correct

Subtask #2
0.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 11 ms 344 KB Output is correct
4 Correct 16 ms 520 KB Output is correct
5 Correct 14 ms 348 KB Output is correct
6 Correct 27 ms 348 KB Output is correct
7 Correct 18 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 10 ms 524 KB Output is correct
10 Correct 10 ms 344 KB Output is correct
11 Correct 9 ms 348 KB Output is correct
12 Correct 9 ms 528 KB Output is correct
13 Correct 10 ms 344 KB Output is correct
14 Correct 6 ms 528 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Incorrect 0 ms 348 KB Output isn't correct
17 Halted 0 ms 0 KB -