Submission #101910

#	Time	Username	Problem	Language	Result	Execution time	Memory
101910		daniel920712	Mechanical Doll (IOI18_doll)	C++14	10 / 100	1082 ms	380 KiB

doll

#include "doll.h"
#include <vector>
#include <stdio.h>

using namespace std;
int con[1000005]={0};
int This[1000005]={0};
int m[1000005];
int n[1000005];
int start[1000005]={0};
vector < int > C,x,y;
int X[1000005]={0};
int Y[1000005]={0};
int now=1;
int t[1000005]={0};
int how[1000005]={0};
void build(int N,int here,int where)
{
    //printf("%d %d\n",N,here);
    if(where)
    {
        X[-here]=where;
        Y[-here]=(-now);
        now++;
        build(N,Y[-here],0);
    }
    else if(N==2)
    {
        X[-here]=0;
        Y[-here]=0;
    }
    else if(N==1)
    {
        X[-here]=here;
        Y[-here]=0;
    }
    else if(N%2==0)
    {

        X[-here]=(-now);
        now++;

        Y[-here]=(-now);
        now++;
        build(N/2,X[-here],0);
        build(N/2,Y[-here],0);


    }
    else
    {
        X[-here]=(-now);
        now++;

        Y[-here]=(-now);
        now++;

        build(N/2,X[-here],here);
        build(N/2+1,Y[-here],0);
    }
}
void New(int here,int what)
{
    if(how[-here]%2==0)
    {
        how[-here]++;
        if(X[-here]) New(X[-here],what);
        else X[-here]=what;
    }
    else
    {
        how[-here]++;
        if(Y[-here]) New(Y[-here],what);
        else Y[-here]=what;
    }
}
void create_circuit(int M, vector < int > A)
{
    int N=A.size(),i,temp;
    C.push_back(A[0]);
    for(i=1;i<=M;i++) C.push_back(i);
    for(i=0;i<N;i++) con[A[i]]++;
    A.push_back(0);




    now++;
    build(N,-1,0);
    for(i=0;i<N;i++)
    {
        C[A[i]]=-1;
        New(C[A[i]],A[i+1]);
    }


    //printf("a %d\n",now-1);
    //for(auto i:C) printf("%d ",i);
    //printf("\n");
    //for(i=1;i<now;i++) printf("%d %d\n",X[i],Y[i]);
    for(i=1;i<now;i++) x.push_back(X[i]);
    for(i=1;i<now;i++) y.push_back(Y[i]);
    answer(C,x,y);

}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:79:22: warning: unused variable 'temp' [-Wunused-variable]
   79 |     int N=A.size(),i,temp;
      |                      ^~~~

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 10 / 10
• Subtask 5: 0 / 18
• Subtask 6: 0 / 56