Đếm phụ âm

#include<stdio.h>
#include<string.h>

int check[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,1,1,1,0,1,1,1,1,1,0,1,1,1,1,1,0,1,1,1,0,1,0,0,0,0,0,0,0,1,1,1,0,1,1,1,0,1,1,1,1,1,0,1,1,1,1,1,0,1,1,1,0,1,0,0,0,0,0,0};

int main()
{
    char str[10000]={};
    printf("Nhap vao doan van: \n");
    fflush(stdin);
    gets(str);
    int i, count=0, len = strlen(str);
    for (i=0;i<len;i++)
        count+=check[(int)str[i]];
    printf("So phu am la: %d",count);
    return 0;
}