Output

#define MIN_NUMBER 1
#define MAX_NUMBER 100
#include 
#include 
#include 
#include 

int getGuess(){
    int c;
    int guess = 0;

    while(guess < MIN_NUMBER || guess > MAX_NUMBER){
        printf("Guess: ");
        scanf("%d", &guess);

        while((c = getchar()) != '\n' && c != EOF);
    }

    return guess;
}

int main(){
    srand(time(NULL));
    int number = rand()%(MAX_NUMBER-MIN_NUMBER+1)+MIN_NUMBER;

    printf("Let's start a game.\n");
    printf("I've picked a number between %d and %d\n",MIN_NUMBER,MAX_NUMBER);
    printf("Guess what it is and I'll tell you \n");
    printf("if it's higher or lower.\n");
    printf("You win if you guess it in 7 turns or less\n\n");

    int turn;
    for(turn = 0; turn < 7; turn++){
        int guess = getGuess();
        assert(guess>=MIN_NUMBER && guess<=MAX_NUMBER);

        if(guess < number){
            printf("Higher\n\n");
        }else if(guess > number){
            printf("Lower\n\n");
        }else{
            break;
        }
    }

    if(turn < 7)
        printf("\nYou Win!\n");
    else
        printf("You Lose the answer was %d.\n", number);

    return 0;
}
// I think I forgot to include the library assert