왠만한거 다 되는거 같은데 왜 오답일까요? 봐주실분...

문자정렬해서 문자 비교로 풀었는데... 예외 처리가 안된 것인지...
잘모르겟네요 봐주실분...

#include
#include
//#include
#include
char eng[11][11] = {"zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten"};

void selectionsort(char* a, int max, int min)
{
if(max == min)
return;

for(int i=min+1; i<max;i++)
{
    if( a[i] < a[min]) {
        char temp = a[i];
        a[i] = a[min];
        a[min] = temp;
    }
}

selectionsort(a, max, min+1);

return ;

}

int getConvertSpellToInt(char *word)
{

if(strlen(word) < 1 || strlen(word) > 10)
    return -1;// failed

//정렬 
selectionsort(word, strlen(word), 0);

for(int i=0; i<11; i++)
{       
    if(strcmp(word,  eng[i]) == 0)
    {
        return i;
    }
}

return -1;

}

int main()
{
int T= 0;
bool bResult = false;
freopen("D:\MyProject\CodeJam\연습\SampleCode\a.in", "rb", stdin);

for(int i=0; i<11; i++)
    selectionsort(&eng[i][0], strlen(eng[i]), 0);

scanf("%d", &T);

while(T-->0)
{
    char A[11],B[11],C[11];
    char operation;

    memset (A, 0, 11);
    memset (B, 0, 11);
    memset (C, 0, 11);
    operation = 0;

    scanf("%s %c %s = %s", A, &operation, B, C);

    bResult = false;
    switch(operation)
    {
    case '+':
            if( getConvertSpellToInt(A) + getConvertSpellToInt(B) == getConvertSpellToInt(C) )
                bResult = true;
        break;
    case '-':
            if( getConvertSpellToInt(A) - getConvertSpellToInt(B) == getConvertSpellToInt(C) )
                bResult = true;
        break;
    case '*':
            if( getConvertSpellToInt(A) * getConvertSpellToInt(B) == getConvertSpellToInt(C) )
                bResult = true;
        break;
    }

    bResult ? printf("Yes\n") : printf("No\n");
}

return 0;
//return 0;

}