Zenn

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int Start = 1, End = 100;
int RandomTarget(){
    time_t seed;
    time(&seed);
    srand((unsigned int) seed);
    return rand() % (Start - End + 1) + 1;
}
int main(){
    printf("Hi, welcome to my lucky number game!\n"
            "Please, guess your number and then input it in this screen, then enter.\n"
    );
    char Continue = 'Y';
    while(Continue == 'Y' || Continue == 'y'){
        int Target = RandomTarget(), Count = 0, Answer = -1;
        Start = 1; End = 100;
        while(Answer != Target){
            while(Answer < Start || Answer > End){
                printf("Please input your number in range [%d, %d]: ", Start, End);
                scanf(" %d", &Answer);
            }
            Count++;
            if(Answer > Target){
                printf("It's too much.\n");
                End = Answer-1;
            }
            else if(Answer < Target){
                printf("It's too less.\n");
                Start = Answer+1;
            }
            else{
                printf("Congrats! You win, the correct number is \"%d\"\n", Target);
                printf("And you guessed %d times\n", Count);
            }
        }
        printf("Do you want to continue? (Y yes, N no): "); scanf(" %c", &Continue);
    }
    return 0;
}