UVa 11956 - Brain**** (simulation; ignore '.')

Link:https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=229&page=show_problem&problem=3107
Sol:

#include <cstdio>
	int main()
	{
	char input[100001];
	int mem[100];
	int T, current;
	scanf("%d", &T);
	for (int t = 1; t <= T; ++t)
	{
	for (int i = 0; i < 100; ++i)
	mem[i] = 0;
	current = 0;
	scanf("%s", &input);
	for (int i = 0; input[i]; ++i)
	{
	switch (input[i])
	{
	case '>':
	++current;
	if (current == 100)
	current = 0;
	break;
	case '<':
	--current;
	if (current == -1)
	current = 99;
	break;
	case '+':
	++mem[current];
	if (mem[current] == 256)
	mem[current] = 0;
	break;
	case '-':
	--mem[current];
	if (mem[current] == -1)
	mem[current] = 255;
	}
	}
	printf("Case %d:", t);
	for (int i = 0; i < 100; ++i)
	printf(" %02X", mem[i]);
	printf("\n");
	}
	}