Submission #829800

#	Time	Username	Problem	Language	Result	Execution time	Memory
829800		NemanjaSo2005	Stray Cat (JOI20_stray)	C++17	100 / 100	44 ms	16620 KiB

Anthony

#include "Anthony.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
vector<int> graf[20005];
int dist[20005],sta[20005];
queue<int> Q;
string E;
int N;
bool prosli[20005];
void BFS(int gde){
   for(int i=0;i<=N;i++)
      dist[i]=-1;
   dist[gde]=0;
   Q.push(gde);
   while(Q.size()){
      int tren=Q.front();
      Q.pop();
      if(prosli[tren])
         continue;
      //cout<<tren<<endl;
      prosli[tren]=true;
      for(int i=0;i<graf[tren].size();i++)
         if(dist[graf[tren][i]]==-1){
            dist[graf[tren][i]]=dist[tren]+1;
            Q.push(graf[tren][i]);
         }
   }
   return;
}
void dfs2(int gde,int pret,int cyc){
   if(gde==pret){
      for(int i=0;i<graf[gde].size();i++){
         dfs2(graf[gde][i],gde,0);
      }
      return;
   }
  // cout<<gde<<" "<<cyc<<endl;
   if(cyc==16)
      sta[gde]=0;
   if(cyc==32)
      sta[gde]=1;
   if(cyc<=5)
      sta[gde]=E[cyc]-'0';
   if(graf[gde].size()>2){
      if(sta[gde]==1)
         cyc=16;
      else
         cyc=32;
      for(int i=0;i<graf[gde].size();i++){
         if(graf[gde][i]!=pret)
            dfs2(graf[gde][i],gde,cyc);
      }
      return;
   }
   if(cyc>=16)
      for(int i=0;i<E.size();i++)
         if(E[i]==sta[gde]+'0'){
            cyc=i;
         }
   cyc++;
   if(cyc==6)
      cyc=0;
   for(int i=0;i<graf[gde].size();i++)
      if(graf[gde][i]!=pret)
         dfs2(graf[gde][i],gde,cyc);
   return;
}
vector<int> Mark(int n, int M, int A, int B, vector<int> U,vector<int> V) {
   N=n;
   for(int i=0;i<M;i++){
      graf[U[i]].push_back(V[i]);
      graf[V[i]].push_back(U[i]);
   }
   BFS(0);
   /*for(int i=0;i<N;i++)
      cout<<dist[i]<<" ";
   cout<<endl;*/
   if(A==2){
      E="001011";
      vector<int> R;
      dfs2(0,0,-1);
      for(int i=0;i<M;i++){
         int koj;
         if(dist[U[i]]>dist[V[i]])
            koj=U[i];
         else
            koj=V[i];
         R.push_back(sta[koj]);
      }
      return R;
   }
   string S="012";
   vector<int> R;
   for(int i=0;i<M;i++){
      int md=min(dist[U[i]],dist[V[i]]);
      R.push_back(S[md%3]-'0');
   }
   return R;
}

Catherine

#include "Catherine.h"
#include<bits/stdc++.h>
#define ll long long
using namespace std;
int slucaj,nalazi=0,pret=-1;
set<string> S;
void Init(int A, int B) {
   if(A==2){
      slucaj=2;
      string x="001011";
      x+=x;
      x+=x;
      for(int i=0;i+4<x.size();i++)
         S.insert(x.substr(i,5));
   }
   else
      slucaj=1;
}
bool prvipot=true;
string T;
int Move(std::vector<int> y) {
   if(slucaj==1){
      if(y[0]==0 and y[1]==0)
         return 2;
      if(y[0]==0 and y[2]==0)
         return 1;
      if(y[1]==0 and y[2]==0)
         return 0;
      if(y[0]==0)
         return 1;
      if(y[1]==0)
         return 2;
      return 0;
   }
  // cout<<"POTEZ "<<y[0]<<" "<<y[1]<<endl;
   if(0==y[0] and y[1]==0){
      nalazi=4;
      prvipot=false;
      return -1;
   }
   if(prvipot){
      if(y[0]==1 and y[1]>1){
         nalazi=4;
         pret=0;
         prvipot=false;
         return 0;
      }
      if(y[1]==1 and y[0]>1){
         nalazi=4;
         pret=1;
         prvipot=false;
         return 1;
      }
   }
   else{
      if(pret==1 and y[1]==0 and y[0]>1){
         nalazi=4;
         return -1;
      }
      if(pret==0 and y[0]==0 and y[1]>1){
         nalazi=4;
         return -1;
      }
      if(pret==0 and y[1]==1 and y[0]>=1){
         pret=1;
         return 1;
      }
      if(pret==1 and y[0]==1 and y[1]>=1){
         pret=0;
         return 0;
      }
   }
   if(nalazi==0){
      prvipot=false;
      if(y[0]==0 and y[1]==1){
         nalazi=4;
         pret=1;
         return 1;
      }
      if(y[1]==0 and y[0]==1){
         nalazi=4;
         pret=0;
         return 0;
      }
      nalazi++;
      if(y[0]==2){
         T+="00";
         pret=0;
         return 0;
      }
      if(y[1]==2){
         T+="11";
         pret=1;
         return 1;
      }
      T+="01";
      pret=1;
      return 1;
   }
   if(nalazi==1 or nalazi==2){
      if(y[0]==1){
         T+="0";
         nalazi++;
         pret=0;
         return 0;
      }
      T+="1";
      nalazi++;
      pret=1;
      return 1;
   }
   if(nalazi==3){
      if(y[0]==1)
         T+="0";
      else
         T+="1";
      //cout<<T<<endl;
      nalazi++;
      if(S.find(T)!=S.end()){
        // cout<<"LOSE"<<endl;
         return -1;
      }
      if(y[0]==1){
         pret=0;
         return 0;
      }
      pret=1;
      return 1;
   }
   if(y[0]==0){
      nalazi=4;
      pret=1;
      return 1;
   }
   if(y[1]==0){
      pret=0;
      return 0;
   }
   return -1;
}

Compilation message (stderr)

Anthony.cpp: In function 'void BFS(int)':
Anthony.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |       for(int i=0;i<graf[tren].size();i++)
      |                   ~^~~~~~~~~~~~~~~~~~
Anthony.cpp: In function 'void dfs2(int, int, int)':
Anthony.cpp:33:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |       for(int i=0;i<graf[gde].size();i++){
      |                   ~^~~~~~~~~~~~~~~~~
Anthony.cpp:50:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |       for(int i=0;i<graf[gde].size();i++){
      |                   ~^~~~~~~~~~~~~~~~~
Anthony.cpp:57:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |       for(int i=0;i<E.size();i++)
      |                   ~^~~~~~~~~
Anthony.cpp:64:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |    for(int i=0;i<graf[gde].size();i++)
      |                ~^~~~~~~~~~~~~~~~~

Catherine.cpp: In function 'void Init(int, int)':
Catherine.cpp:13:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |       for(int i=0;i+4<x.size();i++)
      |                   ~~~^~~~~~~~~

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