Листинг 1:
program sum_cubes;
(c) NaaMan}
function func(x: real): real;
begin
Result := 3*x*x + 3*sin(x);
end;
const
start = 0.0;
finish = 5.0;
step = 0.7;
var
sum, i: real;
n: integer;
sum := 0;
n := 0;
i := start;
while i <= finish do begin
var y: real;
y := func(i);
writeln(i,' ', y:8:3);
if y > 0 then begin
sum := sum + power(y,3);
n := n + 1;
i := i + step;
writeln( 'Sum = ', sum:10:3, ' Count = ', n);
end.
Листинг 2:
program arr_sum_cou;
sum, n: integer;
var a := ArrRandomInteger(100, -40, 40);
foreach var i in a do
if i < 0 then
sum := sum + i
else
writeln('Array: ', a);
writeln( 'Sum = ', sum, ' Count = ', n);
Листинг 3:
var F: boolean;
F := True;
var A := ArrRandomInteger(10, 1, 10);
var B := ArrRandomInteger(10, 1, 10);
writeln(A);
writeln(B);
for var i := 0 to 9 do
if A[i] = B[i] then begin
writeln('Item = ', i, ' Value = ', A[i]);
F := False;
if F then
writeln('Совпадений нет.');
#include
typedef struct
{
char imya[40];
char familiya[40];
char otchestvo[40];
int telefon;
int texpasport;
float pages ;
}gor;
void form(char mass[10], char *imya, char *familiya, char *otchestvo, int telefon, int texpasport)
file *f;
gor y;
int i;
if ((f=fopen(mass,"w"))==null) exit(1);
for (i=1; i< =3; i++)
cout< < "vvedite imya: ";
cin> > imya;
cout< < "vvedite familiya: ";
cin> > familiya;
cout< < "vvedite otchestvo: ";
cin> > otchestvo;
cout< < "vvedite telefon: ";
cin> > telefon;
cout< < "vvedite texpasport: ";
cin> > texpasport;
fwrite(& y,sizeof(gor),1,f);
if(ferror(f)! =null)
exit(2);
}
fclose(f);
void vivod(char mass[50])
gor z;
if ((f=fopen(mass, "r"))==null) exit(3);
cout< < "fail: "<
while (! feof(f)) {
fread (& z,sizeof(gor),1,f);
if (! feof(f))
cout< < "imya: "<
cout< < "familiya: "<
cout< < "otchestvo: "<
cout< < "telefon: "<
cout< < "texpasport: "<
void del(char fo[10], char fi[10])
file *f1,*f2;
gor d;
//char temp[40];
if ((f1=fopen(fi,"r"))==null) exit(4);
if ((f2=fopen(fo,"w"))==null) exit(5);
//cout < < "vvedite nazvanie na ydalenie - ";
//cin > > temp;
for (int i=0; i< 3; i++)
fread(& d,sizeof(gor),1,f1);
if (feof(f1)) break;
if (i> 2)
fwrite (& d,sizeof(gor),1,f2);
fclose(f2);
fclose(f1);
void dobav(char fi[10], char fo[10],char *imya, char *familiya, char *otchestvo, int telefon, int texpasport)
int q;
char temp[40];
if ((f1=fopen(fi, "r"))==null) exit(4);
if ((f2=fopen(fo,"r+"))==null) exit(5);
cout < < "vvedite familiu, pered kotorym nuzno dobavit element: ";
cin > > temp;
for (i=0; i< 10; i++)
fread(& d,sizeof(gor),1,f2);
if (feof(f2)) break;
if (strcmp(d.familiya, temp)) break;
q=i;
if (i==q-1)
cout <
void main()
int n=10;
//cout < < "vvedite kol-vo zapisey: - ";
//cin> > n;
//cout <
form("f1.txt",n);
vivod("f1.txt");
del("f1.txt","f2.txt");
cout < < "posle udalenia: \n";
vivod("f2.txt");
getch();
n=1;
system("cls");
dobav ("f2.txt","f2.txt");
cout < < "posle dobavlenia: \n";
vivod ("f2.txt");
Листинг 1:
program sum_cubes;
(c) NaaMan}
function func(x: real): real;
begin
Result := 3*x*x + 3*sin(x);
end;
const
start = 0.0;
finish = 5.0;
step = 0.7;
var
sum, i: real;
n: integer;
begin
sum := 0;
n := 0;
i := start;
while i <= finish do begin
var y: real;
y := func(i);
writeln(i,' ', y:8:3);
if y > 0 then begin
sum := sum + power(y,3);
n := n + 1;
end;
i := i + step;
end;
writeln( 'Sum = ', sum:10:3, ' Count = ', n);
end.
Листинг 2:
program arr_sum_cou;
(c) NaaMan}
var
sum, n: integer;
begin
sum := 0;
n := 0;
var a := ArrRandomInteger(100, -40, 40);
foreach var i in a do
if i < 0 then
sum := sum + i
else
n := n + 1;
writeln('Array: ', a);
writeln( 'Sum = ', sum, ' Count = ', n);
end.
Листинг 3:
program arr_sum_cou;
(c) NaaMan}
var F: boolean;
begin
F := True;
var A := ArrRandomInteger(10, 1, 10);
var B := ArrRandomInteger(10, 1, 10);
writeln(A);
writeln(B);
for var i := 0 to 9 do
if A[i] = B[i] then begin
writeln('Item = ', i, ' Value = ', A[i]);
F := False;
end;
if F then
writeln('Совпадений нет.');
end.
#include
#include
#include
#include
#include
#include
typedef struct
{
char imya[40];
char familiya[40];
char otchestvo[40];
int telefon;
int texpasport;
float pages ;
}gor;
void form(char mass[10], char *imya, char *familiya, char *otchestvo, int telefon, int texpasport)
{
file *f;
gor y;
int i;
if ((f=fopen(mass,"w"))==null) exit(1);
for (i=1; i< =3; i++)
{
cout< < "vvedite imya: ";
cin> > imya;
cout< < "vvedite familiya: ";
cin> > familiya;
cout< < "vvedite otchestvo: ";
cin> > otchestvo;
cout< < "vvedite telefon: ";
cin> > telefon;
cout< < "vvedite texpasport: ";
cin> > texpasport;
fwrite(& y,sizeof(gor),1,f);
if(ferror(f)! =null)
exit(2);
}
fclose(f);
}
void vivod(char mass[50])
{
file *f;
gor z;
if ((f=fopen(mass, "r"))==null) exit(3);
cout< < "fail: "<
while (! feof(f)) {
fread (& z,sizeof(gor),1,f);
if (! feof(f))
{
cout< < "imya: "<
cout< < "familiya: "<
cout< < "otchestvo: "<
cout< < "telefon: "<
cout< < "texpasport: "<
}
fclose(f);
}
}
void del(char fo[10], char fi[10])
{
file *f1,*f2;
gor d;
//char temp[40];
if ((f1=fopen(fi,"r"))==null) exit(4);
if ((f2=fopen(fo,"w"))==null) exit(5);
//cout < < "vvedite nazvanie na ydalenie - ";
//cin > > temp;
for (int i=0; i< 3; i++)
{
fread(& d,sizeof(gor),1,f1);
if (feof(f1)) break;
if (i> 2)
fwrite (& d,sizeof(gor),1,f2);
}
fclose(f2);
fclose(f1);
}
void dobav(char fi[10], char fo[10],char *imya, char *familiya, char *otchestvo, int telefon, int texpasport)
{
int q;
int i;
gor d;
file *f1,*f2;
char temp[40];
if ((f1=fopen(fi, "r"))==null) exit(4);
if ((f2=fopen(fo,"r+"))==null) exit(5);
cout < < "vvedite familiu, pered kotorym nuzno dobavit element: ";
cin > > temp;
for (i=0; i< 10; i++)
{
fread(& d,sizeof(gor),1,f2);
if (feof(f2)) break;
if (strcmp(d.familiya, temp)) break;
q=i;
}
for (i=0; i< 10; i++)
{
if (feof(f2)) break;
fwrite (& d,sizeof(gor),1,f2);
if (i==q-1)
{
cout< < "vvedite imya: ";
cin> > imya;
cout< < "vvedite familiya: ";
cin> > familiya;
cout< < "vvedite otchestvo: ";
cin> > otchestvo;
cout< < "vvedite telefon: ";
cin> > telefon;
cout< < "vvedite texpasport: ";
cin> > texpasport;
cout <
}
}
fclose(f2);
fclose(f1);
}
void main()
{
int n=10;
//cout < < "vvedite kol-vo zapisey: - ";
//cin> > n;
//cout <
form("f1.txt",n);
vivod("f1.txt");
del("f1.txt","f2.txt");
cout < < "posle udalenia: \n";
vivod("f2.txt");
getch();
n=1;
system("cls");
dobav ("f2.txt","f2.txt");
cout < < "posle dobavlenia: \n";
vivod ("f2.txt");
getch();
}