Points_in_Figures_Rectangles.c

#include <stdio.h>

typedef struct{
    float x;
    float y;
}point;
typedef struct{
    point ul;
    point lr;
}rect;
int contain(point p,rect r){
    if(r.ul.x < p.x && p.x < r.lr.x){
        if(r.lr.y < p.y && p.y < r.ul.y){
            return 1;
        }
    }
    return 0;
}

int main(int argc, const char * argv[])
{
    char head;
    rect rects[11];
    int num_rects = 0;
    while(scanf("%c",&head)){
        if(head == '*'){
            break;
        }else if(head == '\n'){
            continue;
        }
        scanf("%f",&(rects[num_rects].ul.x));
        scanf("%f",&(rects[num_rects].ul.y));
        scanf("%f",&(rects[num_rects].lr.x));
        scanf("%f",&(rects[num_rects].lr.y));
        num_rects++;
    }
    float x,y;
    int num_points = 0;
    while(scanf("%f%f",&x,&y)){
        if(x == 9999.9f && y == 9999.9f){
            break;
        }
        point p;
        p.x = x;
        p.y = y;
        num_points ++;
        
        int num_cont = 0;
        int c;
        for(c=0;c<num_rects;c++){
            if(contain(p, rects[c]) == 1){
                num_cont++;
                printf("Point %d is contained in figure %d\n",num_points,c+1);
            }
        }
        
        if(num_cont == 0){
            printf("Point %d is not contained in any figure\n",num_points);
        }
        
    }   
    return 0;
}