제출 #579832

#제출 시각아이디문제언어결과실행 시간메모리
579832joelauDNA 돌연변이 (IOI21_dna)C++17
100 / 100
47 ms7412 KiB
#include "dna.h" #include <bits/stdc++.h> using namespace std; int A[100005][3][3]; void init(string a, string b) { for (int i = 0; i < 3; ++i) for (int j = 0; j < 3; ++j) A[0][i][j] = 0; for (int i = 0; i < a.length(); ++i) { for (int j = 0; j < 3; ++j) for (int k = 0; k < 3; ++k) A[i+1][j][k] = A[i][j][k]; int n1 = 0, n2 = 0; if (a[i] == 'C') n1 = 1; if (a[i] == 'T') n1 = 2; if (b[i] == 'C') n2 = 1; if (b[i] == 'T') n2 = 2; A[i+1][n1][n2]++; } } int get_distance(int x, int y) { int a = A[y+1][0][1] - A[x][0][1], b = A[y+1][0][2] - A[x][0][2], c = A[y+1][1][0] - A[x][1][0]; int d = A[y+1][1][2] - A[x][1][2], e = A[y+1][2][0] - A[x][2][0], f = A[y+1][2][1] - A[x][2][1]; int ans = 0; int n = min(a,c); ans += n, a -= n, c -= n; n = min(b,e), ans += n, b -= n, e -= n; n = min(d,f), ans += n, d -= n, f -= n; if (a == 0 && d == 0 && e == 0 && b == c && c == f) return ans + b * 2; if (b == 0 && c == 0 && f == 0 && a == d && d == e) return ans + a * 2; return -1; }

컴파일 시 표준 에러 (stderr) 메시지

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:9:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |  for (int i = 0; i < a.length(); ++i) {
      |                  ~~^~~~~~~~~~~~
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