#include <stdio.h>

void guessNumber(int number) {
    int low = 1;
    int high = 100;
    int newguessed = (low + high) / 2;
    char answer;
    while(newguessed != number) {
        printf("Is your number bigger than: %d? Write Y or N: \n", newguessed);
        if(scanf("%c", &answer) == 1){
            if(answer == 'Y') {
            low = newguessed;
            newguessed = (low + high) / 2;
            }
            else {
                if(answer == 'N') {
                    high = newguessed;
                    newguessed = (low + high) / 2;
                }
                else {
                    printf("Wrong format! Try again!");
                }
            }
        }
    }
    printf("Your number is: %d\n", newguessed);
}

int main() {
    int number = 0;
    printf("Think of a number: \n");
    scanf("%d", &number);
    if(number > 0 && number < 101) {
        guessNumber(number);
    }
    else {
        printf("Number must be between 1 and 100!");
    }
    return 0;
}