답안 #735871

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
735871 2023-05-04T20:57:53 Z Sam_a17 Sprinkler (JOI22_sprinkler) C++17
12 / 100
503 ms 28044 KB
#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
//#include "temp.cpp"
#include <cstdio>
using namespace std;
 
#ifndef ONLINE_JUDGE
#define dbg(x) cerr << #x <<" "; print(x); cerr << endl;
#else
#define dbg(x)
#endif
 
#define sz(x) (int((x).size()))
#define len(x) (int)x.length()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define clr(x) (x).clear()
#define uniq(x) x.resize(unique(all(x)) - x.begin());
#define blt(x) __builtin_popcount(x)
 
#define pb push_back
#define popf pop_front
#define popb pop_back
 
void print(long long t) {cerr << t;}
void print(int t) {cerr << t;}
void print(string t) {cerr << t;}
void print(char t) {cerr << t;}
void print(double t) {cerr << t;}
void print(long double t) {cerr << t;}
void print(unsigned long long t) {cerr << t;}
 
template <class T, class V> void print(pair <T, V> p);
template <class T> void print(vector <T> v);
template <class T> void print(set <T> v);
template <class T, class V> void print(map <T, V> v);
template <class T> void print(multiset <T> v);
template <class T, class V> void print(T v[],V n) {cerr << "["; for(int i = 0; i < n; i++) {print(v[i]); cerr << " "; } cerr << "]";}
template <class T, class V> void print(pair <T, V> p) {cerr << "{"; print(p.first); cerr << ","; print(p.second); cerr << "}";}
template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(deque <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(set <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(multiset <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void print(map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]";}
 
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
#define nl '\n'
 
// for grid problems
int dx[8] = {-1,0,1,0,1,-1,1,-1};
int dy[8] = {0,1,0,-1,1,1,-1,-1};
 
// lowest / (1 << 17) >= 1e5 / (1 << 18) >= 2e5 / (1 << 21) >= 1e6
void fastIO() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr); cout.tie(nullptr);
}
// file in/out
void setIO(string str = "") {
  fastIO();
 
  if (str != "") {
    freopen((str + ".in").c_str(), "r", stdin);
    freopen((str + ".out").c_str(), "w", stdout);
  }
}
// Indexed Set
template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
const int N = 2e5 + 10;
vector<int> adj[N];
long long n, l, h[N], q;
int dd[N];
int p[N];

void bfs(int node, int dist, long long m) {
  queue<pair<int, int>> q;
  q.push({node, 0});
  vector<bool> used(n + 1);
  used[node] = true;
  q.push({node, 0});
  h[node] = (h[node] * m) % l;

  while (!q.empty()) {
    auto u = q.front();
    q.pop();

    for(auto i: adj[u.first]) {
      if(used[i]) continue;
      used[i] = true;
      if(u.second + 1 <= dist) {
        h[i] = (h[i] * m) % l;
        q.push({i, u.second + 1});
      }
    }
  }
}

void dfs(int node, int parent) {
  p[node] = parent;
  for(auto i: adj[node]) {
    if(i == parent) continue;
    dfs(i, node);
  }
}

void solve_() {
  cin >> n >> l;

  for(int i = 1; i <= n - 1; i++) {
    int a, b; cin >> a >> b;
    adj[a].push_back(b);
    adj[b].push_back(a);
  }

  for(int i = 1; i <= n; i++) {
    cin >> h[i], dd[i] = -1;
  }

  dfs(1, 0);

  cin >> q;
  while(q--) {
    int type; cin >> type;

    if(type == 1) {
      long long x, d, w;
      cin >> x >> d >> w;

      int cnt = d;
      while(x != 0 && cnt >= 0) {
        dd[x] = max(dd[x], cnt);
        // dbg(x)
        // dbg(dd[x])
        cnt--, x = p[x];
      }
    } else {
      long long x; cin >> x;
      long long cur = x;

      int cnt = 0, ok = 0;
      while(x != 0 && cnt < 41) {
        // dbg(make_pair(dd[x], x))
        if(dd[x] != -1 && dd[x] >= cnt) {
          ok = 1;
          break;
        }
        x = p[x];
        cnt++;
      }

      if(ok) {
        cout << 0 << '\n';
      } else {
        cout << h[cur] << '\n';
      }
    }
  }

}
 
int main() {
  setIO();
 
  auto solve = [&](int test_case)-> void {
    while(test_case--) {
      solve_();
    }
  };
 
  int test_cases = 1;
  // cin >> test_cases;
  solve(test_cases);
 
  return 0;
} 

Compilation message

sprinkler.cpp: In function 'void setIO(std::string)':
sprinkler.cpp:64:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   64 |     freopen((str + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sprinkler.cpp:65:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   65 |     freopen((str + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 4948 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 5020 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 5020 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 292 ms 27856 KB Output is correct
3 Correct 424 ms 27492 KB Output is correct
4 Correct 350 ms 27152 KB Output is correct
5 Correct 294 ms 23708 KB Output is correct
6 Correct 250 ms 23688 KB Output is correct
7 Correct 257 ms 23924 KB Output is correct
8 Correct 207 ms 24328 KB Output is correct
9 Correct 277 ms 26524 KB Output is correct
10 Correct 503 ms 28044 KB Output is correct
11 Correct 270 ms 23080 KB Output is correct
12 Correct 443 ms 24180 KB Output is correct
13 Correct 313 ms 24884 KB Output is correct
14 Correct 330 ms 25468 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 5028 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 4 ms 4948 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 4948 KB Output isn't correct
2 Halted 0 ms 0 KB -