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Submission #1009133

# Submission time Handle Problem Language Result Execution time Memory
1009133 2024-06-27T09:12:10 Z Rifal Parachute rings (IOI12_rings) C++14
20 / 100
 4000 ms 860 KB 
#include <bits/stdc++.h>
//#include "rings.h"
using namespace std;
const int N = 5e3 + 5;
int n;
vector<int> v[N];
bool vis[N], ok;
int deg[N], nod;
void dfs(int s, int p) {
  vis[s] = 1;
  if(deg[s] > 2) ok = false;
  for(auto i : v[s]) {
    if(i != p && i != nod) {
      if(vis[i] == 0) {
      dfs(i,s);
      }
      else {
        ok = false;
      }
    }
  }
}
void Init(int N_) {
  n = N_;
}
void Link(int A, int B) {
  deg[A]++; deg[B]++;
  v[A].push_back(B);
  v[B].push_back(A);
}
int CountCritical() {
  int sol = 0;
  for(int i = 0; i < n; i++) {
    nod = i; ok = true;
    for(auto j : v[i]) deg[j]--;
    for(int j = 0; j < n; j++) vis[j] = 0;
    
    for(int j = 0; j < n; j++) {
      if(vis[j] == 0 && j != nod) {
         dfs(j,-1);
      }
    }
    if(ok) sol++;

    for(auto j : v[i]) deg[j]++;
  }
  return sol;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 192 ms 768 KB Output is correct
3 Correct 325 ms 600 KB Output is correct
4 Correct 10 ms 600 KB Output is correct
5 Correct 107 ms 764 KB Output is correct
6 Correct 401 ms 856 KB Output is correct
7 Correct 105 ms 600 KB Output is correct
8 Correct 189 ms 756 KB Output is correct
9 Correct 350 ms 860 KB Output is correct
10 Correct 346 ms 604 KB Output is correct

Subtask #2
0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 856 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 192 ms 768 KB Output is correct
3 Correct 325 ms 600 KB Output is correct
4 Correct 10 ms 600 KB Output is correct
5 Correct 107 ms 764 KB Output is correct
6 Correct 401 ms 856 KB Output is correct
7 Correct 105 ms 600 KB Output is correct
8 Correct 189 ms 756 KB Output is correct
9 Correct 350 ms 860 KB Output is correct
10 Correct 346 ms 604 KB Output is correct
11 Execution timed out 4019 ms 600 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 192 ms 768 KB Output is correct
3 Correct 325 ms 600 KB Output is correct
4 Correct 10 ms 600 KB Output is correct
5 Correct 107 ms 764 KB Output is correct
6 Correct 401 ms 856 KB Output is correct
7 Correct 105 ms 600 KB Output is correct
8 Correct 189 ms 756 KB Output is correct
9 Correct 350 ms 860 KB Output is correct
10 Correct 346 ms 604 KB Output is correct
11 Execution timed out 4019 ms 600 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #5
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 192 ms 768 KB Output is correct
3 Correct 325 ms 600 KB Output is correct
4 Correct 10 ms 600 KB Output is correct
5 Correct 107 ms 764 KB Output is correct
6 Correct 401 ms 856 KB Output is correct
7 Correct 105 ms 600 KB Output is correct
8 Correct 189 ms 756 KB Output is correct
9 Correct 350 ms 860 KB Output is correct
10 Correct 346 ms 604 KB Output is correct
11 Runtime error 1 ms 856 KB Execution killed with signal 11
12 Halted 0 ms 0 KB -