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

typedef struct{
    float x, y;
}Ponto2d;

typedef struct{
    Ponto2d c;
    float r;
}circunferencia;

int main(){
    circunferencia circun;
    Ponto2d p[10];
    int n, i;
    float dist;

    printf("ponto do centro: ");
    scanf("%f %f", &circun.c.x, &circun.c.y);
    printf("raio: ");
    scanf("%f", &circun.r);

    printf("qtnd de P: ");
    scanf("%d", &n);

    for(i=0; i<n; i++){
        printf("ponto P: ");
        scanf("%f %f", &p[i].x, &p[i].y);
        dist = sqrt((p[i].x - circun.c.x)*(p[i].x - circun.c.x) + (p[i].y - circun.c.y)*(p[i].y - circun.c.y));
        if( dist > circun.r )
            printf("Pertence a circunferencia");
        else if( dist <= circun.r )
            printf("Nao pertence a circunferencia");
    }


}