Homework 1 at Structural Programming w Nona Otkhozoria

1.c

#include <stdio.h>
#include <math.h>

int main() {
    // N = amount of rooms
    // P = amount of hallways
    // Q = amount of floors
    // K = randomly chosen room by user
    int N, P, Q, K;

    printf("please input the amount of rooms: ");
    scanf("%d", &N);

    printf("please input the amount of hallways: ");
    scanf("%d", &P);

    printf("please input the amount of floors: ");
    scanf("%d", &Q;

    printf("please input room number of your choice: ");
    scanf("%d", &K);

    // this isn't quite right, though! hence another if statement afterwards
    if (!(1 <= K && K <= N && N <= 1000 && P * Q <= N)) {
        printf("something is wrong with your input, please try with different numbers\n");
        return 1;
    }

    // this checks that amount of rooms can equally be divided by the amount of hallways and floors
    // for some reason, it was missing in the task spec!
    if (N % P * Q != 0) {
        printf("something is wrong with your input, please try with different numbers\n");
        return 1;
    }

    const int roomsPerFloor = N / (P * Q);
    const int roomsPerHallway = roomsPerFloor * Q;

    printf("there are %d rooms per floor, making %d rooms per hallway\n", roomsPerFloor, roomsPerHallway);

    const int hallway = (int) ceilf((float) K / (float) roomsPerHallway);
    const int floor = (int) ceilf((float) (K % roomsPerHallway) / (float) roomsPerFloor);

    printf("your chosen room is in hallway %d and floor %d\n", hallway, floor);

    return 0;
}

2.c

#include <stdio.h>

int main() {
    // a = amount of blue cubes
    // b = amount of red cubes
    // c = amount of green cubes
    int a, b, c;

    printf("please input the amount of blue cubes: ");
    scanf("%d", &a);

    if (a < 1 || a > 100) {
        printf("the amount must be in range of 1-100");
        return 1;
    }

    printf("please input the amount of red cubes: ");
    scanf("%d", &b);

    if (b < 1 || b > 100) {
        printf("the amount must be in range of 1-100");
        return 1;
    }

    printf("please input the amount of green cubes: ");
    scanf("%d", &c);

    if (c < 1 || c > 100) {
        printf("the amount must be in range of 1-100");
        return 1;
    }

    int min, mid, max;

    if (a <= b && a <= c) {
        min = a;
        if (b <= c) {
            mid = b;
            max = c;
        } else {
            mid = c;
            max = b;
        }
    } else if (b <= a && b <= c) {
        min = b;
        if (a <= c) {
            mid = a;
            max = c;
        } else {
            mid = c;
            max = a;
        }
    } else {
        min = c;
        if (a <= b) {
            mid = a;
            max = b;
        } else {
            mid = b;
            max = a;
        }
    }

    const int totalDifferentColourTowersAmount = mid + max > min ? min : max;;
    const int totalSameColourTowersAmount = a / 2 + b / 2 + c / 2;

    printf("Buba would be able to build %d colourful towers and %d monocolour towers\n",
           totalDifferentColourTowersAmount, totalSameColourTowersAmount);

    return 0;
}