#include <stdio.h>
int  * getRectangle();
int * getCircles();
int showInput(int r, int c);
int checkCircles(int r, int c);
int main()
{
        int input = 0;;
        float *circle;
        float *rectangle;
        while(input != 5){
                printf("\nMenu");
                printf("\n-1- Enter circles");
                printf("\n-2- Enter rectangle");
                printf("\n-3- Show input values");
                printf("\n-4- Check if circles are in rectangle");
                printf("\n-5- Exit");
                printf("\nChoose an option between 1-5\n");
                scanf("%d", &input);
                switch(input){
                        case 1: circle = getCircles();break;
                        case 2: rectangle = getRectangle();break;
                        case 3: showInput(rectangle,circle);break;
                        case 4: checkCircles(rectangle,circle);break;
                        case 5: printf("\n\nBye bye");break;
                        }
                }
}
int showInput(int r,int c){
        float *circle;
        circle = c;
        float *rectangle;
        rectangle = r;
        printf("\nRectangle:");
        printf(" x1: %.6g;", *(rectangle));
        printf(" y1: %.6g;", *(rectangle + 1));
        printf(" x2: %.6g;", *(rectangle + 2));
        printf(" y2: %.6g;", *(rectangle + 3));
        printf("\n");
        float count = *circle;
        int i,id = 1;
        for(i = 0; i < count; i+= 3,id++){
                        printf("\nCircle #%d",id);
                        printf(" r: %.6g;", *(circle + i + 1));
                        printf(" x: %.6g;", *(circle + i+ 2));
                        printf(" y: %.6g;", *(circle + i + 3));
                        printf("\n");
                }
        }

int checkCircles(int r, int c){
        float *circle;
        circle = c;
        float *rectangle;
        rectangle = r;
        float count = *circle;
        int i,id = 1;
        for(i = 1; i < (int)count; i+= 3,id++){
                        printf("\nCircle #%d is ",id);
                        float cLeft = (*(circle + i + 1)- *(circle + i));
                        float cRight = (*(circle + i + 1) + *(circle + i));
                        float cUp = (*(circle + i + 2) + *(circle + i));
                        float cDown = (*(circle + i + 2) - *(circle + i));
                        if( *(rectangle) <= cLeft && *(rectangle + 2) >= cRight &&
                                *(rectangle +1) <= cDown && *(rectangle + 3) >= cUp){
                                        printf("inside");
                                } else {
                                        printf("outside");
                                        }
                        printf("\n");
                }
        }
int  * getRectangle() {
        float rx1 = 0,rx2 = 0,ry1 = 0,ry2 = 0;
        printf("\nEnter x1:");
        scanf("%f", &rx1);
        printf("\nEnter y1:");
        scanf("%f", &ry1);
        printf("\nEnter x2:");
        scanf("%f", &rx2);
        printf("\nEnter y2:");
        scanf("%f", &ry2);
        static float rectangle[4];
        rectangle[0] = rx1;
        rectangle[1] = ry1;
        rectangle[2] = rx2;
        rectangle[3] = ry2;
        return rectangle;
}
int * getCircles(){
        float r = 0,x = 0, y = 0;
        int i,num = 0;
        static float circles[214];
        printf("\nEnter number(1- 72) of circles:");
        //scanf("%d",&num);
        while(1){
            scanf("%d",&num);
            if(num > 0 && num < 73){
                break;
            }
            printf("Number must be between 1 - 72");
        }
        num *= 3;
        circles[0] = num;
        for(i = 1;i <= num; i+=3){
                printf("\nEnter r:");
                scanf("%f", &r);
                while(r < 0){
                        printf("\nr must be positive number:");
                        scanf("%f", &r);
                        }
                printf("\nEnter x:");
                scanf("%f", &x);
                printf("\nEnter y:");
                scanf("%f", &y);
                circles[i] = r;
                circles[i + 1] = x;
                circles[i + 2] = y;
                }
                return circles;
        }