제출 #1091574

#제출 시각아이디문제언어결과실행 시간메모리
1091574owieczkaDNA 돌연변이 (IOI21_dna)C++17
100 / 100
28 ms6696 KiB
#include "dna.h" #include <bits/stdc++.h> using namespace std; int ps[7][100'004]; int n; void init(std::string a, std::string b) { n = a.size(); for (int i = 0; i < n; i++) { int x = 6; if(a[i] == 'A' && b[i] == 'T') { x = 0; } else if (a[i] == 'A' && b[i] == 'C') { x = 1; } else if (a[i] == 'T' && b[i] == 'A') { x = 2; } else if (a[i] == 'T' && b[i] == 'C') { x = 3; } else if (a[i] == 'C' && b[i] == 'A') { x = 4; } else if (a[i] == 'C' && b[i] == 'T') { x = 5; } ps[x][i+1] = 1; // if (!i)continue; for (int j = 0; j < 7; j++) { ps[j][i+1] += ps[j][i]; } } } int get_distance(int x, int y) { int w = 0; x++; y++; int t[9]; for (int i = 0; i < 6; i++) { t[i] = ps[i][y] - ps[i][x-1]; } if (t[0]+t[1] != t[2]+t[4])return -1; if (t[2]+t[3] != t[0]+t[5])return -1; if (t[4]+t[5] != t[1]+t[3])return -1; w += min(t[0], t[2]); w += min(t[1], t[4]); w += min(t[3], t[5]); if (t[0] > t[2]) { t[0] -= t[2]; t[2] = 0; } else { t[2] -= t[0]; t[0] = 0; } if (t[1] > t[4]) { t[1] -= t[4]; t[4] = 0; } else { t[4] -= t[1]; t[1] = 0; } if (t[3] > t[5]) { t[3] -= t[5]; t[5] = 0; } else { t[5] -= t[3]; t[3] = 0; } w += t[0] + t[1] + t[2] + t[4]; return w; }
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