제출 #497350

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
497350		Maqsut_03	DNA 돌연변이 (IOI21_dna)	C++17	43 / 100	1528 ms	4016 KiB

dna

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

string a, b, a1, b1, a2;
int n;
map <char, int> arr;
void init(string a0, string b0) {
    a = a0;
    b = b0;
    a1 = a;
    b1 = b;
    n = a.length();
}

int get_distance(int x, int y) {
    int ans = 0;
    a = a1;
    b = b1;
    arr.clear();
    for (int i = x; i <= y; i++)
            arr[a[i]]++, arr[b[i]]--;

    for (char i = 'A'; i <= 'Z'; i++)
        if (arr[i] != 0) return -1;

    if (a.size() > y-x+1) a = a.substr(x, y);
    if (b.size() > y-x+1) b = b.substr(x, y);
 //  cout << a <<" " << b << " ";
    for (int i=0;i<=y-x;i++){
        bool ok=0;
        for (int j=i+1;j<=y-x;j++){
            if (a[i] == b[j] and b[i] != a[i] and a[j] == b[i]){
            ok=1;
            ans++;
            swap(b[i], b[j]);
//            cout << 1;
            }
        }
        if (!ok){
            for (int j=i+1;j<=y-x;j++){
                if (a[i] == b[j] and b[i] != a[i]){
                    ans++;
                    swap(b[i], b[j]);
//                  cout << b <<" ";
                }
            }
        }
    }
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

dna.cpp: In function 'int get_distance(int, int)':
dna.cpp:27:18: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   27 |     if (a.size() > y-x+1) a = a.substr(x, y);
      |         ~~~~~~~~~^~~~~~~
dna.cpp:28:18: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   28 |     if (b.size() > y-x+1) b = b.substr(x, y);
      |         ~~~~~~~~~^~~~~~~

• Subtask 1: 21 / 21
• Subtask 2: 22 / 22
• Subtask 3: 0 / 13
• Subtask 4: 0 / 28
• Subtask 5: 0 / 16