제출 #551280

#제출 시각아이디문제언어결과실행 시간메모리
551280PherokungDNA 돌연변이 (IOI21_dna)C++17
21 / 100
35 ms6248 KiB
#include "dna.h" #include<bits/stdc++.h> #define N 100005 using namespace std; int a[N][3],b[N][3],dif[N],len; void init(string x, string y) { len = x.size(); for(int i=0;i<len;i++){ if(i != 0) for(int j=0;j<=2;j++) a[i][j] = a[i-1][j], b[i][j] = b[i-1][j]; if(i != 0) dif[i] = dif[i-1]; if(x[i] == 'A') a[i][0]++; else if(x[i] == 'T') a[i][1]++; else if(x[i] == 'C') a[i][2]++; if(y[i] == 'A') b[i][0]++; else if(y[i] == 'T') b[i][1]++; else if(y[i] == 'C') b[i][2]++; if(x[i] != y[i]) dif[i]++; } } int get_distance(int x, int y) { int A[3], B[3], D; for(int i=0;i<=2;i++) A[i] = a[y][i], B[i] = b[y][i]; if(x != 0) for(int i=0;i<=2;i++) A[i] -= a[x-1][i], B[i] -= b[x-1][i]; for(int i=0;i<=2;i++) if(A[i] != B[i]) return -1; D = dif[y]; if(x != 0) D -= dif[x-1]; return D ? D-1 : 0; }
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