Unit2.cpp

#include <math.h>

struct okr {
    float x; float y; float r;
};
struct otr {
    float x1; float y1; float x2; float y2;
};
bool usl(otr ot[], int n, int &k){
    int num = 0;
    float lmin = sqrt(pow((ot[0].x1 - ot[0].x2), 2) + pow((ot[0].y1 - ot[0].y2),2));
    for (int i = 1; i < n; i++) {
        float l = sqrt(pow((ot[i].x1 - ot[i].x2), 2) + pow((ot[i].y1 - ot[i].y2),2));
        if (l < lmin) {
            lmin = l;
            num = i;
        }
    }
    k = num;
    if ((((ot[k].x1 < 0) && (ot[k].y1 > 0)) && (ot[k].x2 < 0)) && (ot[k].y2 > 0))
        return true;
    else return false;
}

int da(okr ok[], int n, otr ot){
    int kol = 0;
    for (int i = 0; i < n; i++) {
        float l1 = sqrt(pow(ot.x1 - ok[i].x,2) + pow(ot.y1 - ok[i].y,2));
        float l2 = sqrt(pow(ot.x2 - ok[i].x,2) + pow(ot.y2 - ok[i].y,2));
        if ((l1 <= ok[i].r) && (l2 <= ok[i].r))
            kol++
    }
    return kol;
}

float net(okr ok[], int n){
    float s = 0;
    for (int i = 0; i < n; i++) {
        s += 2*3.14*ok[i].r;
    }
    return s;
}

unit1.cpp

#include <stdio.h>
#include "Unit2.cpp"

void __fastcall TForm1::Button1Click(TObject *Sender){
    okr *ok;  otr *ot; char fname[100];
    int n1,n2;
    FILE *fpt;
    int i, k;

  if(OpenDialog1->Execute())
 {strcpy(fname,OpenDialog1->FileName.c_str());
  Edit1->Text=fname;
  fpt=fopen(fname,"rt");
  if(fpt==NULL){Label3->Caption="файл не открыт"; return;}
 }
else
 {Label3->Caption="ошибка при открытии OpenDialog1";
  return;}

    fscanf(fpt, "%i\n", &n1);
    ok = new okr[n1];
    for(i=0;i<n1;i++)
        fscanf(fpt,"%f %f %f\n",&ok[i].x, &ok[i].y, &ok[i].r);

    fscanf(fpt, "%i\n", &n2);
    ot = new otr[n2];
    for(i=0;i<n2;i++)
        fscanf(fpt,"%f %f %f %f\n",&ot[i].x1,&ot[i].y1,&ot[i].x2,&ot[i].y2);


    if (usl(ot, n2, k)){
        Label2->Caption="kol=";
        Edit2->Text=IntToStr(da(ok, n1, ot[k]));
    }
    else{
        Label2->Caption="sum = ";
        Edit2->Text=FloatToStr(net(ok, n1));
    }
    delete[] ot;
    fclose(fpt);
}