Submission #3442921

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Source Code Expand

#include<iostream>
#include<cstring>
using namespace std;

int main() {
	char matrix[9][9];
	int row, colm;
	char direction[2];

	cin >> colm >> row>> direction;
	row--;
	colm--;
	for (int i = 0; i < 9; ++i) {
		cin >> matrix[i];
	}

	for (int i = 1; i <= 4; ++i) {
		cout << matrix[row][colm];
		for (int l = 0; l < strlen(direction); ++l) {
			switch (direction[l]) {
			case 'R':
				colm++;
				if (colm >= 9) {
					direction[l] = 'L';
					colm = 7;
				}
				break;
			case 'L':
				colm--;
				if (colm < 0) {
					direction[l] = 'R';
					colm = 0;
				}
				break;
			case 'U':
				row--;
				if (row < 0) {
					direction[l] = 'D';
					row = 0;
				}
				break;
			case 'D':
				row++;
				if (row >= 9) {
					direction[l] = 'U';
					row = 7;
				}
				break;
			}
		}
	}
}

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