1061. Dating (20)

#include <iostream>
#include <string.h>

using namespace std;

int main()
{
	char s[4][70];
	int i, len[4];

	for(i = 0; i < 4; i++)
	{
		gets(s[i]);
		len[i] = strlen(s[i]);
	}

	int j, flag = 0, num[3];
	char ch[2];

	for(i = 0, j = 0; i < len[0] && j < len[1]; i++, j++)
	{
		ch[0] = s[0][i];
		ch[1] = s[1][j];

		if(ch[0] == ch[1])
		{
			if(flag == 0 && ch[0] >= 'A' && ch[1] <= 'G')
			{
				flag = 1;
				num[0] = ch[0] - 'A';
			}
			else if(flag == 1)
			{
				if(ch[0] >= '0' && ch[0] <= '9')
				{
					num[1] = ch[0] - '0';
					break;
				}
				else if(ch[0] >= 'A' && ch[0] <= 'N')
				{
					num[1] = ch[0] - 'A' + 10;
					break;
				}
			}
		}
	}

	for(i = 0, j = 0; i < len[2] && j < len[3]; i++, j++)
	{
		ch[0] = s[2][i];
		ch[1] = s[3][j];

		if(ch[0] == ch[1] && ((ch[0] >= 'A' && ch[0] <= 'Z') || (ch[0] >= 'a' && ch[0] <= 'z')))
		{
			num[2] = i;
		}
	}

	char day[7][5] = {"MON", "TUE", "WED", "THU", "FRI", "SAT", "SUN"};
	printf("%s %02d:%02d\n", day[num[0]], num[1], num[2]);

	system("pause");
	return 0;
}