USACO1.2.2 transfomations

这道题让我弄会了函数中使用多维数组作参数。其实我原本想学学怎么使用变参的……

 

/*ID: wangqia6TASK: transformLANG: C++*/ #include <fstream>using namespace std;char st[15][15],en[15][15],transa[15][15],transb[15][15];int n;int check(char arr[][15], char brr[][15]){for (int i = 0; i < n; i++)for (int j = 0; j < n; j++)if (arr[i][j] != brr[i][j]) return 0;return 1;}void reflect(char arr[][15]){for (int i = 0; i < n; i++)for (int j = 0; j < n; j++)transb[i][j] = arr[i][n - 1 - j];return;}void change90(char arr[][15]){for (int i = 0; i < n; i++)for (int j = 0; j < n; j++)transb[i][j] = arr[n - 1 - j][i];return;}void change180(char arr[][15]){for (int i = 0; i < n; i++)for (int j = 0; j < n; j++)transb[i][j] = arr[n - 1 - i][n - 1 - j];return;}void change270(char arr[][15]){for (int i = 0; i < n; i++)for (int j = 0; j < n; j++)transb[i][j] = arr[j][n - 1 - i];return;}int main(){ifstream infile;ofstream outfile;infile.open("transform.in");outfile.open("transform.out");infile >> n;for (int i = 0; i < n; i++)for (int j = 0; j < n; j++)infile >> st[i][j];for (int i = 0; i < n; i++)for (int j = 0; j < n; j++)infile >> en[i][j];if (check(st,en)){outfile << 2 << endl;return 0;}change90(st);if (check(transb,en)){outfile << 1 << endl;return 0;}change180(st);if (check(transb,en)){outfile << 2 << endl;return 0;}change270(st);if (check(transb,en)){outfile << 3 << endl;return 0;}reflect(st);if (check(transb,en)){outfile << 4 << endl;return 0;}for (int i = 0; i < n; i++)for (int j = 0; j < n; j++)transa[i][j] = transb[i][j];change90(transa);if (check(transb,en)){outfile << 5 << endl;return 0;}change180(transa);if (check(transb,en)){outfile << 5 << endl;return 0;}change270(transa);if (check(transb,en)){outfile << 5 << endl;return 0;}outfile << 7 << endl;return 0;}