제출 #439701

#제출 시각아이디문제언어결과실행 시간메모리
439701RodoXD0606DNA 돌연변이 (IOI21_dna)C++17
0 / 100
53 ms2372 KiB
    #include "dna.h"
    #include <iostream>
    #include <vector>
    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};
            int dif=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(A[0]!=B[0]) dif++;
            }
            if((((A[0]>0 || A[1]>0) and A[2]==0)and((B[0]>0 || B[1]>0) and B[2]==0)) ){
                if(A[0]==B[0] and A[1]==B[1]){
                    return dif/2;
                }else{
                    return -1;
                }
            }
            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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