Submission #829882

#	Time	Username	Problem	Language	Result	Execution time	Memory
829882		Rifal	Stray Cat (JOI20_stray)	C++14	4 / 100	43 ms	16864 KiB

Anthony

#include<bits/stdc++.h>
#include "Anthony.h"
#include <vector>
using namespace std;
namespace {
    const int Max = 2e4 + 5;
    vector<int> v[Max];
    int level[Max];
    void bfs(int s) {
        queue<int> q;
        q.push(s); level[s] = 1;
        while(!q.empty()) {
            int fron = q.front(); q.pop();
            for(auto i : v[fron]) {
                if(level[i] == 0) {
                    level[i] = level[fron] + 1;
                    q.push(i);
                }
                else if(level[i] > level[fron]+1){
                    level[i] = level[fron] + 1;
                    q.push(i);
                }
            }
        }
    }
}

std::vector<int> Mark(int N, int M, int A, int B,
                      std::vector<int> U, std::vector<int> V) {
    vector<int> x;
    for(int i = 0; i < M; i++) {
        v[U[i]].push_back(V[i]);
        v[V[i]].push_back(U[i]);
    }
    bfs(0);
    for(int i = 0; i < M; i++) {
        int a = min(level[U[i]]%3,level[V[i]]%3), b = max(level[U[i]]%3,level[V[i]]%3);
        if(a == 1 && b == 2) x.push_back(1);
        else if(a == 0 && b == 2) x.push_back(2);
        else if(a == 0 && b == 1) x.push_back(0);
        else if(a == b) x[i] = a;
    }


  return x;
}

Catherine

#include "Catherine.h"
#include <vector>

using namespace std;
namespace {

int A, B;
int variable_example = 0;

}  // namespace

void Init(int A, int B) {
  ::A = A;
  ::B = B;
}

int Move(std::vector<int> y) {
  ++variable_example; int a = 10, b = -1;
  for (int i = 0; i < A; ++i) {
      if(y[i] != 0) {
        a = min(a,i);
        b = max(b,i);
      }
  }
  if(a == 0 && b == 1) return 0;
  else if(a == 1 && b == 2) return 1;
  else if(a == 0 && b == 2) return 2;
  else if(a == b) return a;


}

Compilation message (stderr)

Catherine.cpp: In function 'int Move(std::vector<int>)':
Catherine.cpp:31:1: warning: control reaches end of non-void function [-Wreturn-type]
   31 | }
      | ^

• Subtask 1: 2 / 2
• Subtask 2: 0 / 2
• Subtask 3: 2 / 2
• Subtask 4: 0 / 9
• Subtask 5: 0 / 5
• Subtask 6: 0 / 71
• Subtask 7: 0 / 9