Submission #1204626

#	Time	Username	Problem	Language	Result	Execution time	Memory
1204626		tamzid	DNA 돌연변이 (IOI21_dna)	C++20	Compilation error	0 ms	0 KiB

dna

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

string A,B;
vector<int> a_T,a_A,b_T,b_A,diff;

void init(std::string a, std::string b) {
	A = a;
	B = b;
	a_A.resize(A.size()+1);
	b_A.resize(A.size()+1);
	b_T.resize(A.size()+1);
	a_T.resize(A.size()+1);
	diff.resize(A.size()+1);
	for(int i=0;i<A.size();++i)
	{
		a_A[i+1]+=a_A[i];
		a_T[i+1]+=a_T[i];
		b_A[i+1]+=b_A[i];
		b_T[i+1]+=b_T[i];
		if(A[i] == 'A')
			++a_A[i+1];
		else
			++a_T[i+1];
		if(B[i] == 'A')
			++b_A[i+1];
		else
			++b_T[i+1];
		if(A[i] != B[i])
		{
			++diff[i+1];
		}
	}
}

int get_distance(int x, int y) {
	int at = a_T[y+1] - a_T[x];
	int aa = a_A[y+1] - a_A[x];
	int bt = b_T[y+1] - b_T[x];
	int ba = b_A[y+1] - b_A[x];
	int difff = diff[y+1] - diff[x];
	if(difff & 1)
		return -1;
	if(at != bt || aa != ba)
		return -1;
	return difff / 2;
}



int main()
{
	init("ATTA", "TTAA");
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cct3rI5m.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccwxbTjb.o:dna.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status