Submission #261113

#	Time	Username	Problem	Language	Result	Execution time	Memory
261113		sjimed	Stray Cat (JOI20_stray)	C++14	85 / 100	70 ms	15740 KiB

Anthony

#include "Anthony.h"
#include<bits/stdc++.h>
using namespace std;

#define fast ios::sync_with_stdio(false); cin.tie(0);
#define fi first
#define se second
#define all(v) (v).begin(), (v).end()
#define em emplace
#define eb emplace_back
#define mp make_pair

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const ll INF = 1e18;
const int inf = 1e9;

static vector<pii> g[20010];
static vector<int> ret;
static int tb[6] = {0, 1, 0, 0, 1, 1};

static void dfs(int x, int p, int k) {
  int t = 1 - tb[k];
  if(x != 0 && g[x].size() == 2) t = (k + 1) % 6;

  for(auto i : g[x]) {
    if(i.fi == p) continue;
  
    ret[i.se] = tb[t];
    dfs(i.fi, x, t);
  }
}

std::vector<int> Mark(int N, int M, int A, int B, std::vector<int> U, std::vector<int> V) {  
  for(int i=0; i<M; i++) 
    g[U[i]].eb(V[i], i), g[V[i]].eb(U[i], i);

  ret.resize(M, 0);
  dfs(0, 0, 0);

  /*for(auto i : ret) {
    cout << i;
  }
  cout << endl;*/

  return ret;
}

Catherine

#include "Catherine.h"
#include <bits/stdc++.h>
#define eb emplace_back
#define mp make_pair
#define F first
#define S second
using namespace std;
typedef pair<int, int> pii;
 
static int typ;
void Init(int A, int B){
    if(A>=3)typ=1;
    else typ=2;
}
 
static int move_typeA(vector<int> vc){
    for(int i=0; i<3; i++)if(vc[i]&&!vc[(i+2)%3])return i;
}
 
static int rpt[6]={0, 1, 0, 0, 1, 1};
static bool fnd;
static int cnt, prv=-1, mask;
static int move_typeB(vector<int> vc){
    cnt++;
    int deg=vc[0]+vc[1];
    if(prv>=0)deg++;
    if(fnd){
        if(deg>=3){
            prv=1-prv;
            return prv;
        }
        if(vc[0])prv=0;
        else prv=1;
        return prv;
    }
    if(deg==1){
        fnd=true;
        if(cnt>1)return -1;
        if(vc[0])prv=0;
        else prv=1;
        return prv;
    }
    if(deg>=3){
        if(cnt>1)vc[prv]++;
        fnd=true;
        int tmp;
        if(vc[0]==1)tmp=0;
        else tmp=1;
        if(tmp==prv&&cnt>1)return -1;
        prv=tmp;
        return tmp;
    }
    if(cnt<=3){
        if(vc[0])prv=0;
        else prv=1;
        if(cnt==1)mask*=2, mask+=vc[1]-prv;
        mask*=2, mask+=prv;
        return prv;
    }
    if(cnt==4){
        fnd=true;
        int opp;
        if(vc[0])opp=0;
        else opp=1;
        mask*=2, mask+=opp;
        if(mask==25||mask==18||mask==5||mask==11||mask==22||mask==12){
            prv=opp;
            return prv;
        }
        return -1;
    }
}
 
int Move(vector<int> y){
    if(typ==1)return move_typeA(y);
    return move_typeB(y);
}

Compilation message (stderr)

Catherine.cpp: In function 'int move_typeA(std::vector<int>)':
Catherine.cpp:18:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
Catherine.cpp: In function 'int move_typeB(std::vector<int>)':
Catherine.cpp:72:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
Catherine.cpp: At global scope:
Catherine.cpp:20:12: warning: 'rpt' defined but not used [-Wunused-variable]
 static int rpt[6]={0, 1, 0, 0, 1, 1};
            ^~~

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