제출 #1337919

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1337919		aritro_	메시지 (IOI24_message)	C++20	컴파일 에러	0 ms	0 KiB

message

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

typedef long long ll;
#define endl '\n'
#define pb push_back
#define ff first
#define ss second
#define all(a) a.begin(),a.end()

vector<bool> C(31);
vector<vector<bool>> packets;

bool random_num(){
    random_device rd;
    mt19937 gen(rd());
    uniform_int_distribution<int> dist(0, 1);
    return dist(gen);
}

void send_packet(vector<bool> a){
    vector<bool> r(31);
    for(int i=0;i<31;i++){
        if(C[i]==0){
            r[i]=a[i];
            continue;
        }
        r[i]=random_num();
    }
    packets.pb(r);
}

void send_message(vector<bool>M,vector<bool>C);

vector<bool> receive_message(vector<vector<bool>>R){
    map<int,bool> chk;
    for(int i=0;i<31;i++) chk[i]=1;
    int n=R.size();
    for(int i=0;i<36;i++) for(int j=0;j<31;j++) chk[j]&=R[i][j];
    vector<bool> ans;
    for(int i=36;i<n-2;i++){
        for(int j=0;j<31;j++){
            if(chk[j]) ans.pb(R[i][j]);
        }
    }
    for(int i=0;i<31;i++) chk[i]&=R[n-2][i];
    //for(int i=0;i<31;i++) cout<<chk[i]<<' ';
    //cout<<endl;
    for(int i=0;i<31;i++){
        if(chk[i]){
            ans.pb(R[n-1][i]);
        }
    }
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccwJSQvf.o: in function `send_packet(std::vector<bool, std::allocator<bool> >)':
stub.cpp:(.text+0x240): multiple definition of `send_packet(std::vector<bool, std::allocator<bool> >)'; /tmp/ccVs6tNt.o:message.cpp:(.text+0xc30): first defined here
/usr/bin/ld: /tmp/ccwJSQvf.o: in function `(anonymous namespace)::run_encoder()':
stub.cpp:(.text+0xbf8): undefined reference to `send_message(std::vector<bool, std::allocator<bool> >, std::vector<bool, std::allocator<bool> >)'
collect2: error: ld returned 1 exit status