제출 #1260785

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1260785		inkvizytor	질문 (CEOI14_question_grader)	C++20	컴파일 에러	0 ms	0 KiB

encoder

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

#define ll long long

vector<int> msk = {0};

void solve1() {
    int x, y;
    cin >> x >> y;
    int m1 = msk[x], m2 = msk[y];
    for (int i = 0; i < 12; i++) {
        if ((m1&(1<<i)) && ((m2&(1<<i))==0)) {
            cout << i+1 << '\n';
            return;
        }
    }
}

void solve2() {
    int q, h;
    cin >> q >> h;
    if (msk[q]&(1<<(h-1))) {
        cout << "yes\n";
        return;
    }
    else {
        cout << "no\n";
        return;
    }
} 

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
    for (int i = 0; i < (1<<12); i++) {
        if (__builtin_popcount(i) == 6) {
            msk.push_back(i);
        }
    }
    int a;
    cin >> a;
    if (a == 1) {
        int n, t;
        cin >> n >> t;
        for (int i = 0; i < t; i++) solve1();
    }
    else {
        int n, t;
        cin >> n >> t;
        for (int i = 0; i < t; i++) solve2();
    }
}

decoder

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

#define ll long long

vector<int> msk = {0};

void solve1() {
    int x, y;
    cin >> x >> y;
    int m1 = msk[x], m2 = msk[y];
    for (int i = 0; i < 12; i++) {
        if ((m1&(1<<i)) && ((m2&(1<<i))==0)) {
            cout << i+1 << '\n';
            return;
        }
    }
}

void solve2() {
    int q, h;
    cin >> q >> h;
    if (msk[q]&(1<<(h-1))) {
        cout << "yes\n";
        return;
    }
    else {
        cout << "no\n";
        return;
    }
} 

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
    for (int i = 0; i < (1<<12); i++) {
        if (__builtin_popcount(i) == 6) {
            msk.push_back(i);
        }
    }
    int a;
    cin >> a;
    if (a == 1) {
        int n, t;
        cin >> n >> t;
        for (int i = 0; i < t; i++) solve1();
    }
    else {
        int n, t;
        cin >> n >> t;
        for (int i = 0; i < t; i++) solve2();
    }
}

컴파일 시 표준 에러 (stderr) 메시지

# 1번째 컴파일 단계

/usr/bin/ld: /tmp/ccfmVQOR.o: in function `main':
grader_encode.c:(.text.startup+0x0): multiple definition of `main'; /tmp/ccetnmZe.o:encoder.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccfmVQOR.o: in function `main':
grader_encode.c:(.text.startup+0x125): undefined reference to `encode(int, int, int)'
collect2: error: ld returned 1 exit status