1100. Mars Numbers (20)

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

using namespace std;

char ch[2][13][5] = 
{
	"tret", "jan", "feb", "mar", "apr", "may", "jun", "jly", "aug", "sep", "oct", "nov", "dec",
	"", "tam", "hel", "maa", "huh", "tou", "kes", "hei", "elo", "syy", "lok", "mer", "jou"
};

int getindex(int index, char s[])
{
	int i;
	for(i = 0; i < 13; i++)
	{
		if(strcmp(ch[index][i], s) == 0)
		{
			return i;
		}
	}

	return -1;
}

int main()
{
	int n;
	scanf("%d", &n);

	getchar();

	int i, len, num, j, k, low, high, index;
	char s[20], curs[5];

	for(i = 1; i <= n; i++)
	{
		gets(s);
		len = strlen(s);

		if(s[0] >= '0' && s[0] <= '9')
		{
			num = 0;

			for(j = 0; j < len; j++)
			{
				num = num * 10 + s[j] - '0';
			}

			if(num < 13)
			{
				printf("%s\n", ch[0][num]);
			}
			else
			{
				low = num % 13;
				high = num / 13;

				printf("%s", ch[1][high]);
				if(low > 0)
				{
					printf(" %s\n", ch[0][low]);
				}
				else
				{
					printf("\n");
				}
			}
		}
		else
		{
			if(len <= 4)
			{
				for(j = 0; j <= 1; j++)
				{
					index = getindex(j, s);

					if(index != -1)
					{
						break;
					}
				}

				if(j == 0)
				{
					num = index;
				}
				else 
				{
					num = 13 * index;
				}
			}
			else
			{
				for(j = 0; s[j] != ' '; j++)
				{
					curs[j] = s[j];
				}
				curs[j] = '\0';
				
				num = getindex(1, curs) * 13;

				for(k = j + 1, j = 0; k < len; k++, j++)
				{
					curs[j] = s[k];
				}
				curs[j] = '\0';
				
				num += getindex(0, curs);
			}

			printf("%d\n", num);
		}
	}

	system("pause");
	return 0;
}