제출 #38198

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
38198		smu201111192	앵무새 (IOI11_parrots)	C++14	0 / 100	46 ms	2240 KiB

encoder

#include <vector>

#include <iostream>

#include "encoder.h"

#include "encoderlib.h"

#include <bits/stdc++.h>

using namespace std;

const int MAXN = 257;

int cnt[MAXN][4];

void encode(int N, int M[]){

    vector<int> res;

    for(int i=0;i<256;i++){

        int flag = 1;

        for(int j=0;j<=5;j++){

            for(int k=0;k<=5;k++){

                for(int d=0;d<=5;d++){

                    for(int c=0;c<=5;c++){

                        if(j+4*k+16*d+64*c==i){

                            cnt[i][0] = j;

                            cnt[i][1] = k;

                            cnt[i][2] = d;

                            cnt[i][3] = c;

                        }

                    }

                }

            }

        }

    }

    vector<int> packet;

    for(int i=0;i<N;i++){

        int bit = i<<3;

        int mx1 = max(cnt[i][0],cnt[i][1]); //1 4

        int mx2 = max(cnt[i][2],cnt[i][3]); //16 64

        int t1 = cnt[i][0]; int t2 = cnt[i][1]; int flag = 0;

        for(int j=1;j<=mx1;j++){

            int add = bit + flag;

            if(t1)add |= 1;     //1

            if(t2)add |= 2;     //4

            t1--; t2--;

            packet.push_back(add);

        }

        t1 = cnt[i][2]; t2 = cnt[i][3];

        for(int j=1;j<=mx2;j++){

            int add = bit + 4;

            if(t1) add |= 1;

            if(t2) add |= 2;

            t1--; t2--;

            packet.push_back(add);

        }

        if(mx1 == 0 && mx2 == 0){

            packet.push_back(bit);

        }

    }

    for(int num:packet) send(num);

}

decoder

#include <vector>
#include <iostream>
#include "decoder.h"
#include "decoderlib.h"
#include <bits/stdc++.h>
using namespace std;
void decode(int N, int L, int X[]){
    vector<int> res(N,0);
    if(N<=32){
        for(int i=0;i<L;i++){
            int loc = X[i]/8;
            int flag = X[i] & 4;
            int num = 0;
            if(!flag){
                if(X[i] & 1) num += 1;
                if(X[i] & 2) num += 4;
                //1 4  ()
            }
            else{
                if(X[i] & 1) num += 16;
                if(X[i] & 2) num += 64;
                // 16 64
            }
            res[loc] += num;
        }
    }
    else{
        
    }
    for(int num:res) output(num);
}

컴파일 시 표준 에러 (stderr) 메시지

encoder.cpp: In function 'void encode(int, int*)':
encoder.cpp:23:13: warning: unused variable 'flag' [-Wunused-variable]
         int flag = 1;
             ^~~~

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