제출 #1009481

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1009481		somefjord	DNA 돌연변이 (IOI21_dna)	C++17	컴파일 에러	0 ms	0 KiB

dna

#include "dna.h"
#include <bits/stdc++.h>

using namespace std;

string as, bs;
vector<int> balance1, balance1, misplacecount;

void init(string a, string b) {
  as = a;
  bs = b;

  int n = a.length();
  balance1.resize(n + 2, 0);
  balance2.resize(n + 2, 0);
  misplacecount.resize(n + 2, 0);

  for (int i = 1; i <= n; ++i) {
    balance1[i] = balance1[i - 1] + (as[i - 1] == 'A' ? 1 : -1);
    balance2[i] = balance2[i - 1] + (bs[i - 1] == 'A' ? 1 : -1);
    misplacecount[i] =
        misplacecount[i - 1] + (as[i - 1] == 'A' && as[i - 1] != bs[i - 1]);
    // printf("i : %d, %d %d %d\n", i, acount1[i], acount2[i],
    // misplacecount[i]);
  }
}

int get_distance(int x, int y) {
  if ((balance1[y] - balance2[x]) != (balance2[y] - balance2[x]))
    return -1;

  return misplacecount[y] - misplacecount[x];
}

컴파일 시 표준 에러 (stderr) 메시지

dna.cpp:7:23: error: redefinition of 'std::vector<int> balance1'
    7 | vector<int> balance1, balance1, misplacecount;
      |                       ^~~~~~~~
dna.cpp:7:13: note: 'std::vector<int> balance1' previously declared here
    7 | vector<int> balance1, balance1, misplacecount;
      |             ^~~~~~~~
dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:15:3: error: 'balance2' was not declared in this scope; did you mean 'balance1'?
   15 |   balance2.resize(n + 2, 0);
      |   ^~~~~~~~
      |   balance1
dna.cpp: In function 'int get_distance(int, int)':
dna.cpp:29:22: error: 'balance2' was not declared in this scope; did you mean 'balance1'?
   29 |   if ((balance1[y] - balance2[x]) != (balance2[y] - balance2[x]))
      |                      ^~~~~~~~
      |                      balance1