UVa 11956 - Brainfuck

#include <stdio.h>
#include <string.h>
using namespace std;

int main() {
	int cases;
	scanf("%d\n", &cases);
	char line[100001];
	for (int cas = 1; cas <= cases; cas++) {
		scanf("%s\n", line);
		int len = strlen(line);
		int pointer = 0;
		unsigned char memoryCell[100] = { 0 };
		for (int i = 0; i < len; i++) {
			switch (line[i]) {
			case '>':
				pointer = pointer == 99 ? 0 : pointer + 1;
				break;
			case '<':
				pointer = pointer == 0 ? 99 : pointer - 1;
				break;
			case '+':
				memoryCell[pointer]++;
				break;
			case '-':
				memoryCell[pointer]--;
				break;
			}
		}

		printf("Case %d:", cas);
		for (int i = 0; i < 100; i++)
			printf(" %02X", memoryCell[i]);
		printf("\n");
	}
}