Count the number of characters and the number of characters

Count the number of characters and the number of characters

1 // question: enter a line of characters to calculate the numbers of English letters, spaces, numbers, and other characters. 2 // program analysis: Use the while statement, the condition is that the input character is not '\ n '. 3 4 # include <stdio. h> 5 6 int main () 7 {8 char c; 9 int letters = 0, spaces = 0, digits = 0, others = 0; 10 printf ("Please input some characters \ n"); 11 while (c = getchar ())! = '\ N') 12 {13 if (c> = 'A' & c <= 'Z ') | (c> = 'A' & c <= 'Z') 14 letters ++; 15 else if (c> = '0' & c <= '9') 16 digits ++; 17 else if (c = '') 18 spaces ++; 19 else20 others ++; 21} 22 printf ("letters = % d, digits = % d, spaces = % d, others = % d \ n", letters, digits, spaces, others); 23 return 0; 24}