C :

#include<stdio.h>
#include<ctype.h>
#include<string.h>
int main(void)
{
	int n,i,ok,d,c;
	char a[1000];
scanf("%d",&n);
while(n--)
{
ok=0;
scanf("%s",a);
d=strlen(a);
if(d<5)  ok=-1;
for(i=0;i<d;i++)
{

	c=isdigit(a[i]);
	if(c)
	{
	ok++;
	break;
	
	}

}

for(i=0;i<d;i++)
{

c=islower(a[i]);

if(c)
{
ok++;
break;

}


}

for(i=0;i<d;i++)
{

c=isupper(a[i]);

if(c)
{
ok++;
break;

}


}

if(ok==3)
printf("Correct\n");
else
printf("Too weak\n");

}




}

C++ :

#include<stdio.h>
#include<string.h>
char s[107];
int main()
{
    //freopen("in.txt","r",stdin);
    //freopen("out.txt","w",stdout);
    int t;
    scanf("%d",&t);
    while(t--)
    {
        scanf("%s",s);
        int len=strlen(s);
        bool large=false,small=false,digit=false;
        if(len<5)printf("Too weak\n");
        else
        {
            for(int i=0;i<len;i++)
            {
                if(s[i]>='a'&&s[i]<='z')small=true;
                if(s[i]>='A'&&s[i]<='Z')large=true;
                if(s[i]>='0'&&s[i]<='9')digit=true;
            }
            if(small&&large&&digit)printf("Correct\n");
            else printf("Too weak\n");
        }
    }
    return 0;
}

Java :

import java.util.Scanner;
class Main{
	public static void main(String[] args) {
		Scanner reader = new Scanner(System.in);
		int T = reader.nextInt();
		for (int j = 0; j < T; j++) {
			String str = reader.next();
			char[] ch = str.toCharArray();
			int a = 0, b = 0, c = 0;
			if (ch.length < 5) {
				System.out.println("Too weak");
			} else {
				for (int i = 0; i < ch.length; i++) {
					if (ch[i] >= 'A' && ch[i] <= 'Z') {
						a = a + 1;
					}
					if (ch[i] >= 'a' && ch[i] <= 'z'){
						b = b + 1;
					}
					if(ch[i] >= '0' && ch[i] <= '9'){
						c=c+1;
					}
				}
				if(a>0&&b>0&&c>0){
					System.out.println("Correct");
				}
				else System.out.println("Too weak");
			}
		}
	}
}