Submission #1051883

#	Time	Username	Problem	Language	Result	Execution time	Memory
1051883		user736482	Parrots (IOI11_parrots)	C++17	81 / 100	3 ms	1448 KiB

encoder

#include<bits/stdc++.h>
#include "decoder.h"
#include "decoderlib.h"
#include "encoder.h"
#include "encoderlib.h"
using namespace std;
//int enc[2137];
void encode(int n,int v[]){
    for(int i=0;i<n;i++){
        for(int j=0;j<3;j++){
            for(int k=0;k<(1<<j);k++){
                //cout<<i*8+((v[i]/(1<<j*3))%8)<<" ";
                //enc[(1<<j)-1+k+i*7]=i*8+((v[i]/(1<<j*3))%8);
                send(i*8+((v[i]/(1<<j*3))%8));
            }
        }
        //cout<<"\n";
    }

}

decoder

#include<bits/stdc++.h>
#include "decoder.h"
#include "decoderlib.h"
#include "encoder.h"
#include "encoderlib.h"
using namespace std;

void decode(int n,int l,int v[]){
    sort(v,v+l);
    int pom[8];
    for(int i=0;i<8;i++)
        pom[i]=0;
    for(int i=0;i<n;i++){
            int k=0;
        for(int j=0;j<7;j++){
            pom[v[i*7+j]%8]++;
        }
        for(int j=0;j<8;j++){
            if(pom[j]>=4){
                k+=j;
                pom[j]-=4;
            }
        }
        for(int j=0;j<8;j++){
            if(pom[j]>=2){
                k*=8;
                k+=j;
                pom[j]-=2;
            }
        }
        for(int j=0;j<8;j++){
            if(pom[j]>=1){
                k*=8;
                k+=j;
                pom[j]-=1;
            }
        }
        output(k);
        //cout<<k<<" ";
    }
}

• Subtask 1: 17 / 17
• Subtask 2: 17 / 17
• Subtask 3: 18 / 18
• Subtask 4: 29 / 29
• Subtask 5: 0 / 19