蓝桥杯—兰顿蚂蚁

#include<iostream>
using namespace std;

void chaoxiang(char toward, int& toward_n) {	//开始时录入朝向
	if (toward == 'U')//上
		toward_n = 1;
	if (toward == 'R')//右
		toward_n = 2;
	if (toward == 'D')//下
		toward_n = 3;
	if (toward == 'L')//左
		toward_n = 4;
}

void zhuanwan(int& temp, int& toward_n) {	//根据黑白格改变朝向
	if (temp == 1) {	//黑格处右转
		if (toward_n != 4) {
			toward_n++;
		}
		else {
			toward_n = 1;
		}
		temp = 0;	//黑格改白格
	}
	else if (temp == 0) {	//白格处左转
		if (toward_n != 1) {
			toward_n--;
		}
		else {
			toward_n = 4;
		}
		temp = 1;	//白格改黑格
	}
}

int main() {
	int m, n;
	cin >> m >> n;
	int a[100][100] = { 0 };
	int i, j;
	for (i = 0; i < m; i++) {//行
		for (j = 0; j < n; j++) {//列
			cin >> a[i][j];
		}
	}

	int x, y;
	cin >> x >> y;

	char toward;
	cin >> toward;
	int toward_n;
	chaoxiang(toward, toward_n);

	int k;
	cin >> k;

	for (int i = 1; i <= k; i++) {	//循环走k步
		if (a[x][y] == 1) {	//在黑格
			switch (toward_n) {
			case 1:
				zhuanwan(a[x][y], toward_n);
				y++;
				break;
			case 2:
				zhuanwan(a[x][y], toward_n);
				x++;
				break;
			case 3:
				zhuanwan(a[x][y], toward_n);
				y--;
				break;
			case 4:
				zhuanwan(a[x][y], toward_n);
				x--;
				break;
			}
		}

		else if (a[x][y] == 0) {	//在白格
			switch (toward_n) {
			case 1:
				zhuanwan(a[x][y], toward_n);
				y--;
				break;
			case 2:
				zhuanwan(a[x][y], toward_n);
				x--;
				break;
			case 3:
				zhuanwan(a[x][y], toward_n);
				y++;
				break;
			case 4:
				zhuanwan(a[x][y], toward_n);
				x++;
				break;
			}
		}
	}

	cout << x << " " << y << endl;

	return 0;
}

测试结果：