2941 크로아티아 알파벳

#include <stdio.h>
#include <string.h>
 
int main() {
    char arr[105] = { 0 };
    scanf("%s", &arr);
 
    int rst = 0, len = strlen(arr);
    for (int i = 0; i < len;) {    
        if (((arr[i] == 'c')&&(arr[i+1] == '-')) 
            || ((arr[i] == 'c') && (arr[i+1] == '='))
            || ((arr[i] == 'l') && (arr[i+1] == 'j'))
            || ((arr[i] == 'n') && (arr[i+1] == 'j'))
            || ((arr[i] == 's') && (arr[i+1] == '='))
            || ((arr[i] == 'z') && (arr[i+1] == '='))) {
            i += 2;            
        }
        else if (arr[i] == 'd') {
            if ((arr[i + 1] == 'z') && (arr[i + 2] == '=')) 
                i += 3;                            
            else if (arr[i + 1] == '-') 
                i += 2;                            
            else 
                i++;            
        }
        else 
            i++;            
        
        rst++;
    }
    printf("%d", rst);
}