Submission #125581

#	Time	Username	Problem	Language	Result	Execution time	Memory
125581		thebes	앵무새 (IOI11_parrots)	C++14	Compilation error	0 ms	0 KiB

encoder

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

map<vector<int>,int> mp;
map<int,vector<int>> rev;
vector<int> vec; int nxt;

void rec(int n){
    if(n==3){
        if(vec.size()!=5) return;
        mp[vec]=nxt++;
        rev[nxt-1]=vec;
    }
    else{
        rec(n+1);
        for(int i=1;i<=5;i++){
            vec.push_back(n);
            rec(n+1);
        }
        for(int i=0;i<5;i++)
            vec.pop_back();
    }
}
void encode(int N,int *M){
    mp.clear(); rev.clear(); nxt = 0;
    rec(0);
    for(int i=0;i<N;i++){
        int s = (M[i]&15);
        int f = ((M[i]^s)>>4);
        vector<int> w = rev[f];
        for(auto v : w){
            if(v==0) send(i*4);
            else if(v==1) send(i*4+1);
        }
        w = rev[s];
        for(auto v : w){
            if(v==0) send(i*4+2);
            else if(v==1) send(i*4+3);
        }
    }
}

decoder

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

map<vector<int>,int> mp;
map<int,vector<int>> rev;
vector<int> vec; int nxt;

void rec(int n){
    if(n==3){
        if(vec.size()!=5) return;
        mp[vec]=nxt++;
        rev[nxt-1]=vec;
    }
    else{
        rec(n+1);
        for(int i=1;i<=5;i++){
            vec.push_back(n);
            rec(n+1);
        }
        for(int i=0;i<5;i++)
            vec.pop_back();
    }
}

vector<int> heh[200];
void decode(int N,int L,int *X){
    mp.clear(); rev.clear(); nxt = 0;
    rec(0);
    for(int i=0;i<200;i++) heh[i].clear();
    for(int i=0;i<L;i++){
        int pog = (X[i]>>1);
        heh[pog].push_back((X[i]&1));
    }
    for(int i=0;i<2*N;i++){
        while(heh[i].size()<5)
            heh[i].push_back(2);
        sort(heh[i].begin(),heh[i].end());
    }
    for(int i=0;i<N;i++){
        int f = mp[heh[2*i]];
        int s = mp[heh[2*i+1]];
        output((f<<4)+s);
    }
}

Compilation message (stderr)

encoder.cpp: In function 'void encode(int, int*)':
encoder.cpp:32:22: error: 'send' was not declared in this scope
             if(v==0) send(i*4);
                      ^~~~
encoder.cpp:32:22: note: suggested alternative: 'setns'
             if(v==0) send(i*4);
                      ^~~~
                      setns
encoder.cpp:33:27: error: 'send' was not declared in this scope
             else if(v==1) send(i*4+1);
                           ^~~~
encoder.cpp:33:27: note: suggested alternative: 'setns'
             else if(v==1) send(i*4+1);
                           ^~~~
                           setns
encoder.cpp:37:22: error: 'send' was not declared in this scope
             if(v==0) send(i*4+2);
                      ^~~~
encoder.cpp:37:22: note: suggested alternative: 'setns'
             if(v==0) send(i*4+2);
                      ^~~~
                      setns
encoder.cpp:38:27: error: 'send' was not declared in this scope
             else if(v==1) send(i*4+3);
                           ^~~~
encoder.cpp:38:27: note: suggested alternative: 'setns'
             else if(v==1) send(i*4+3);
                           ^~~~
                           setns

decoder.cpp: In function 'void decode(int, int, int*)':
decoder.cpp:42:9: error: 'output' was not declared in this scope
         output((f<<4)+s);
         ^~~~~~
decoder.cpp:42:9: note: suggested alternative: 'getpt'
         output((f<<4)+s);
         ^~~~~~
         getpt