Разработать программу создания и корректировки файла , содержащего сведения об абитуриентах , сдавших вступительные экзамены в институт .

h"#include"List.h"#include"Node.h"#include#include#include#include#include#include#include#include#include"stdio.h"#include"stdlib.h"#includeList::List(void){size = 0; maxsize = startsize;list = (Node*)malloc(sizeof(Node)*maxsize);}List::~List(void){free(list);}Node List::getNode(int index){return list[index];}int List::load(char *filename){FILE *f = NULL;fopen_s(&f,filename,"rb");if (f == NULL) return 0;int k = _filelength(_fileno(f)) / sizeof(Node);Node *newnode = new Node();int readed = 0;for (int i=0;i=0){del(x);}}int List::getsize(){return size;}//////////////////////////void List::printat(int x,int y){for (int i=0;i=0)&&(iusingnamespace std;Menu::Menu(int size,char *acts[strlength], char *header){menusize = size;act_names = (char*)malloc(size * (strlength + 1));for (int i=0;iprintat_from_to(menux+2,1,curentview,curentview + statusy - 3);}void Menu::menuchose(List *list){char c=0,c1=0;while (c!=ENTER){showmenu();c=_getch(); if (c == 0) c1= _getch();switch (c) {case ENTER: {return;}case ESC: {curentmenu = menusize - 1;break; }case UP: {if (curentmenu>0) curentmenu--;break; }case DOWN: {if (curentmenu0) curentview--;view_redraw(list);break; }case PGDOWN:{if (curentviewgetsize()-1) curentview++;view_redraw(list);break;}default :{break; }} //end of switch}//end of while }//end of menuchosevoid Menu::act(){char *fname = {"data.dat"};char *strbuf = (char*)malloc(120);windowinit();List *list = new List();(*list).load(fname);while (true){setcolor(color,back);Node *node = new Node();view_redraw(list);menuchose(list);strbuf[0] = 0;switch (curentmenu){ case 0:{//действие 1 /*"New record",floodwindow(menux+1,9,menux+50,20,"New record");(*node).editat(menux+2,10);(*list).add(*node);status(12,0,"Record added");break;};case 1:{//дейтвие 2 итд "Edit record"if ((*list).getsize()){if ((curentview>=0)&&(curentview<(*list).getsize())){floodwindow(menux+1,9,menux+50,20,"Edit record");(*list).getNode(curentview).editat(menux+2,10);status(12,0,"Record edited");}}elsestatus(12,0,"No record to edit");break; };case 2:{//"Delete record",if ((*list).getsize()){(*list).del(curentview);status(12,0,"Current record deleted");if ((*list).getsize())if (curentview>(*list).getsize()-1)curentview = (*list).getsize()-1;}elsestatus(12,0,"No data to delete");break; };case 3:{//"speciality summary into file"char buffer[120] = {0};(*node).str_edit(menux+2,10,"Input Speciality: ",buffer , strlength-10);sprintf_s(strbuf,120,"All abiturs for spec (%s) are printed into file %s.txt\0",buffer, buffer);status(10,0,strbuf);(*list).savetxt(buffer);break; };case 4:{//get average mark from listif ((*list).getsize()>0){char buffer[120] = {0};sprintf_s(buffer,100,"Average marks to all abiturients - %6.3lf",(*list).allmarks()/3.0/(*list).getsize());status(11,0,buffer); }break; }case 5:{//"Exit"}(*list).save(fname);return;break; };default:{break;}}//end of switch}//end of while}void Menu::status(int color, int back, char *str){setcolor(color,back);gotoxy(statusx,statusy);for (int i=0;i(background<<4 | text));}void Menu::window(int x1,int y1,int x2,int y2,charconst *header){int i;for (i=x1;i