# 행렬

Created
2021/03/23 01:58
문제 번호
1080
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### Code

@10/4/2020

1988 KB

#### 시간

0 ms
#include <iostream> #include <vector> #define endl "\n" int numberOfRows; int numberOfCols; int flipCount = 0; std::vector<std::string> aMatrix; std::vector<std::string> bMatrix; void setMatrix(std::vector<std::string> &inputMatrix) { for (int i = 0; i < numberOfRows; i++) { std::string temp; std::cin >> temp; inputMatrix.push_back(temp); } } void inputAction() { std::cin >> numberOfRows >> numberOfCols; setMatrix(aMatrix); setMatrix(bMatrix); } void flip3on3Matrix(int rowOffset, int colOffset) { for (int i = 0; i < 3; i++) { for (int j = 0; j < 3; j++) { aMatrix[rowOffset + i][colOffset + j] == '0' ? aMatrix[rowOffset + i][colOffset + j] = '1' : aMatrix[rowOffset + i][colOffset + j] = '0'; } } } void flipByComp() { for (int i = 0; i < numberOfRows - 2; i++) { for (int j = 0; j < numberOfCols - 2; j++) { if (aMatrix[i][j] != bMatrix[i][j]) { flip3on3Matrix(i, j); ++flipCount; } } } } bool identityCheck() { for (int i = 0; i < numberOfRows; i++) { for (int j = 0; j < numberOfCols; j++) { if (aMatrix[i][j] != bMatrix[i][j]) { std::cout << -1; return false; } } } return true; } // void outputAction(std::vector<std::string> &inputMatrix) // { // for (int i = 0; i < numberOfRows; i++) // { // std::cout << inputMatrix[i] << endl; // } // } void solution() { inputAction(); flipByComp(); if (identityCheck()) { std::cout << flipCount; } } int main(void) { solution(); return 0; }
C++