제출 #1141902

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1141902		redacode	Mutating DNA (IOI21_dna)	C++20	컴파일 에러	0 ms	0 KiB

dna

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n,q;
    string a, b;
    cin >> n >> q;
    cin >> a;
    cin >> b;
    
    while(q--){
        int x, y;
        cin >> x >> y;
        string ax="";
        string bx="";
        int freq1[3]={0,0,0};
        int freq2[3]={0,0,0};
        for(int i=x;i<=y;i++){
            ax+=a[i];
            if(a[i]=='A')freq1[0]++;
            if(a[i]=='B')freq1[1]++;
            if(a[i]=='C')freq1[2]++;
            bx+=b[i];
            if(b[i]=='A')freq2[0]++;
            if(b[i]=='B')freq2[1]++;
            if(b[i]=='C')freq2[2]++;
        }
        if(freq1[0]!=freq2[0] or freq1[1]!=freq2[1] or freq1[2]!=freq2[2]){
            cout << -1 << endl;
        }else if(x-y==2){
            //cout << ax << " " << bx;
            if(ax==bx){
                cout << 0 << endl;
            }else if((ax[0]==bx[1] and ax[1]==bx[0]) or (ax[2]==bx[1] and ax[1]==bx[2])){
                cout << 1 << endl;
            }else{
                cout << 2 << endl;
            }
        }else{
            if(ax==bx){
                cout << 0 << endl;
            }else{
                cout << 1 << endl;
            }
        }
    }
}

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccLyvygW.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc10FOSt.o:dna.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccLyvygW.o: in function `main':
grader.cpp:(.text.startup+0x363): undefined reference to `init(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'
/usr/bin/ld: grader.cpp:(.text.startup+0x39a): undefined reference to `get_distance(int, int)'
collect2: error: ld returned 1 exit status