Submission #1054460

# Submission time Handle Problem Language Result Execution time Memory
1054460 2024-08-12T10:02:50 Z aymanrs Cats or Dogs (JOI18_catdog) C++17
38 / 100
3000 ms 6276 KB
#include "catdog.h"
#include <bits/stdc++.h>
using namespace std;
struct node {
  vector<node*> l;
  int dog, cat;
  char state = 0; // -1 dog 1 cat
};
vector<node> g;
void initialize(int N, std::vector<int> A, std::vector<int> B) {
  g.resize(N+1);
  for(int i = 0;i < A.size();i++){
    g[A[i]].l.push_back(&g[B[i]]);
    g[B[i]].l.push_back(&g[A[i]]);
  }
}
void dfs(node* n, node* p){
  n->dog = n->cat = 0;
  if(n->state==1) n->dog = 1e7;
  else if(n->state==-1) n->cat = 1e7;
  for(node* c : n->l){
    if(c==p) continue;
    dfs(c,n);
    n->dog += min(c->dog, c->cat+1);
    n->cat += min(c->cat, c->dog+1);
  }
}
int cat(int v) {
  g[v].state=1;
  dfs(&g[1], NULL);
  return min(g[1].dog, g[1].cat);
}

int dog(int v) {
  g[v].state=-1;
  dfs(&g[1], NULL);
  return min(g[1].dog, g[1].cat);
}

int neighbor(int v) {
  g[v].state=0;
  dfs(&g[1], NULL);
  return min(g[1].dog, g[1].cat);
}

Compilation message

catdog.cpp: In function 'void initialize(int, std::vector<int>, std::vector<int>)':
catdog.cpp:12:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |   for(int i = 0;i < A.size();i++){
      |                 ~~^~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 436 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 432 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 436 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 432 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 4 ms 348 KB Output is correct
18 Correct 4 ms 348 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 436 KB Output is correct
23 Correct 6 ms 528 KB Output is correct
24 Correct 4 ms 600 KB Output is correct
25 Correct 2 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 6 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 436 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 432 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 4 ms 348 KB Output is correct
18 Correct 4 ms 348 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 436 KB Output is correct
23 Correct 6 ms 528 KB Output is correct
24 Correct 4 ms 600 KB Output is correct
25 Correct 2 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 6 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Execution timed out 3056 ms 6276 KB Time limit exceeded
34 Halted 0 ms 0 KB -