#include <stdio.h> #include <string.h> int main() { int i; char candi[20] = {0}; int is_lower = 0; int is_upper = 0; int is_digit = 0; int is_special = 0; while(1){ printf("Make a password : "); scanf("%s", candi); for(i = 0; i < strlen(candi); i++){ if((candi[i]>='a')&&(candi[i]<='z')) is_lower += 1; if((candi[i]>='A')&&(candi[i]<='Z')) is_upper += 1; if((candi[i]>='0')&&(candi[i]<='9')) is_digit += 1; if((candi[i]>='!')&&(candi[i]<='/')) is_special += 1; } if((is_lower >= 1)&&(is_upper >= 1)&&(is_digit >= 1)){ printf("Enough password"); return 0; } else if ((is_lower >= 1)&&(is_upper >= 1)&&(is_digit >= 1)&&(is_special >= 1)){ printf("St