Submission #1325141

#	Time	Username	Problem	Language	Result	Execution time	Memory
1325141		yifanzzz	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++20	Compilation error	0 ms	0 KiB

encoder

#include <iostream>
using namespace std;
int main(){
    int t; cin >> t;
    if(t==1){
        int n,k; cin >> n >> k;
        for(int i=1; i<=k; i++) {
            int a,b; cin >> a >> b;
            int p=0;
            while((a%2)==(b%2)){
                p++;;
                a=(a>>1);
                b=(b>>1);
            }
            if(a%2==1){
                cout << p << endl;
            } else {
                cout << p+10;
            }
        }
    }
}

decoder

#include <iostream>
using namespace std;
int main(){
    int t; cin >> t;
    if(t==2){
        int n,k; cin >> n >> k;
        for(int i=1; i<=k; i++) {
            int a,b; cin >> a >> b;
            bool flag=0;
            if(b>=10) {
                flag=1;
                b-=10;
            }
            a=(a>>b);
            if(a%2==1 && flag==0 || a%2==0 && flag==1){
                cout << "yes" << endl;
            } else {
                cout << "no" << endl;
            }
        }
    }
}

Compilation message (stderr)

# 1번째 컴파일 단계

/usr/bin/ld: /tmp/ccbdLPwM.o: in function `main':
grader_encode.c:(.text.startup+0x0): multiple definition of `main'; /tmp/cc9Q7lxN.o:encoder.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccbdLPwM.o: in function `main':
grader_encode.c:(.text.startup+0x13a): undefined reference to `encode(int, int, int)'
collect2: error: ld returned 1 exit status