Submission #736077

# Submission time Handle Problem Language Result Execution time Memory
736077 2023-05-05T07:58:28 Z Sam_a17 Sprinkler (JOI22_sprinkler) C++17
9 / 100
494 ms 34056 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;
long long d1[N], d2[N];
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;
    d1[i] = d2[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;

      if(d == 0) {
        h[x] *= w;
        h[x] %= l;
      }
      else if(d == 1) {
        h[x] *= w;
        h[x] %= l;

        if(p[x]) {
          h[p[x]] *= w;
          h[p[x]] %= l;
        }

        d1[x] *= w;
        d1[x] %= l;
      } else if(d == 2) {
        int u = p[x], uu = p[p[x]];

        if(u) {
          d1[u] *= w;
          d1[u] %= l;
        }

        if(uu) {
          h[u] *= w;
          h[u] %= l;
        }

        d2[x] *= w;
        d2[x] %= l;
      } else {
        int cnt = d;
        while(x != 0 && cnt >= 0) {
          dd[x] = max(dd[x], cnt);
          cnt--, x = p[x];
        }
      }
    } else {
      long long x; cin >> x;
      long long cur = x;

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

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

        int u = p[cur], uu = p[p[cur]];
        if(u) {
          ans *= d1[u];
          ans %= l;
        }

        if(uu) {
          ans *= d2[uu];
          ans %= l;
        }
        cout << ans << '\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);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 4948 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 3 ms 5032 KB Output is correct
2 Correct 413 ms 29352 KB Output is correct
3 Correct 294 ms 29900 KB Output is correct
4 Correct 371 ms 32628 KB Output is correct
5 Correct 362 ms 29644 KB Output is correct
6 Correct 302 ms 29388 KB Output is correct
7 Correct 273 ms 29840 KB Output is correct
8 Correct 205 ms 30396 KB Output is correct
9 Correct 430 ms 33860 KB Output is correct
10 Correct 324 ms 34056 KB Output is correct
11 Correct 409 ms 29436 KB Output is correct
12 Correct 298 ms 29900 KB Output is correct
13 Correct 221 ms 30152 KB Output is correct
14 Correct 251 ms 30644 KB Output is correct
15 Correct 225 ms 30192 KB Output is correct
16 Correct 295 ms 30544 KB Output is correct
17 Correct 284 ms 30976 KB Output is correct
18 Correct 3 ms 5044 KB Output is correct
19 Correct 3 ms 5076 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 5032 KB Output is correct
2 Correct 413 ms 29352 KB Output is correct
3 Correct 294 ms 29900 KB Output is correct
4 Correct 371 ms 32628 KB Output is correct
5 Correct 362 ms 29644 KB Output is correct
6 Correct 302 ms 29388 KB Output is correct
7 Correct 273 ms 29840 KB Output is correct
8 Correct 205 ms 30396 KB Output is correct
9 Correct 430 ms 33860 KB Output is correct
10 Correct 324 ms 34056 KB Output is correct
11 Correct 409 ms 29436 KB Output is correct
12 Correct 298 ms 29900 KB Output is correct
13 Correct 221 ms 30152 KB Output is correct
14 Correct 251 ms 30644 KB Output is correct
15 Correct 225 ms 30192 KB Output is correct
16 Correct 295 ms 30544 KB Output is correct
17 Correct 284 ms 30976 KB Output is correct
18 Correct 3 ms 5044 KB Output is correct
19 Correct 3 ms 5076 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 4948 KB Output is correct
24 Incorrect 494 ms 29304 KB Output isn't correct
25 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 283 ms 30980 KB Output is correct
3 Correct 466 ms 30544 KB Output is correct
4 Incorrect 312 ms 30244 KB Output isn't correct
5 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 5028 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 4948 KB Output isn't correct
2 Halted 0 ms 0 KB -