제출 #438985

#제출 시각아이디문제언어결과실행 시간메모리
438985RodoXD0606DNA 돌연변이 (IOI21_dna)C++17
43 / 100
1586 ms2380 KiB
#include "dna.h"
#include <iostream>
using namespace std;
string A,B;
void init(std::string a, std::string b) {
    A=a;B=b;

}

int get_distance(int x, int y) {

        int C1[3]={0,0,0};
        int C2[3]={0,0,0};
        for(int i=x;i<=y;i++){
            if(A[i]=='A') C1[0]++;
            if(A[i]=='T') C1[1]++;
            if(A[i]=='C') C1[2]++;
            if(B[i]=='A') C2[0]++;
            if(B[i]=='T') C2[1]++;
            if(B[i]=='C') C2[2]++;
        }   
        if(C1[0]!=C2[0] || C1[1]!=C2[1] || C1[2]!=C2[2]) return -1;
        if(y-x<=2){
            if(y-x==0) return 0;

            if(y-x==1){
                if(A[x]==B[x]) return 0;
                return 1;
            }

            if(A[x]==B[x] && A[x+1]==B[x+1] && A[y]==B[y]) return 0;
            if(A[x]==B[x] || A[x+1]==B[x+1] || A[y]==B[y]) return 1;
            return 2;
        }
        if(C1[2]==0 && C2[2]==0){
            int c=0;
            for(int i=x;i<=y;i++)
                if(A[i]!=B[i]) c++;
            return c/2;
        }
	return 0;
}
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