Ошибки в программе
03.05.2014, 12:43. Показов 443. Ответов 3
С++ только начал изучать... Цель-переписать с паскаля на С++. это сделал но не удовлетворен работой... не могу разобраться( в док..файле код паскаля и С++ ..Помогите ПЛИЗ.
ПАСКАЛЬ abc
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| uses
crt;
type
int = 0..10;
vec = array [0..10] of real;
matr = array [0..10, 0..10] of real;
var
x, x_1, ax, ax_1, c: vec;
e, a, a_1, b, b_1, br, br_1: matr;
{преобразование строковой дроби в числовой вид (1/2 --> 0.5)}
function drob(var s: string): double;
var
a, b, c: integer;
begin
if s.Split('/').Length > 1 then begin
if integer.TryParse(s.Split('/')[0], c) then
a := c
else begin
writeln('Error!');
end;
if integer.TryParse(s.Split('/')[1], c) then
b := c
else begin
writeln('Error!');
end;
result := a / b;
end else
if integer.TryParse(s, c) then
result := c
else begin
writeln('Error!');
exit;
end;
end;
procedure readvec(var x: vec; name: char; n: int);
var
i: int;
s: string;
begin
writeln(' Ввести вектор ', name, ' размера n=', n); for i := 0 to n - 1 do
begin
write(' ', name, '[', i:2, ']=');
readln(s);
writeln('Получившаяся дробь: ', drob(s));
{вызов функции преобразования}
x[i] := drob(s);
end;
end;
procedure writevec(var x: vec; name: char; n: int);
var
i: int;
begin
writeln(' Вывести вектор ', name, ' размера n=', n); for i := 0 to n - 1 do
begin
write(' ', name, '[', i:2, ']=');
writeln(x[i]:10:5)
end;
end;
procedure readmatr(var y: matr; name: char; n, m: int);
var
i, j: int;
s: string;
begin
writeln(' Ввести матрицу ', name,
' размера : n=', n, ', * m=', m); for i := 0 to n - 1 do
for j := 0 to m - 1 do
begin
write(' ', name, '[', i:2, ' ,', j:2, ']= ');
readln(s);
writeln('Получившаяся дробь: ', drob(s));
{вызов функции преобразования}
y[i, j] := drob(s);
end;
end;
procedure writematr(var y: matr; name: char; n, m: int);
var
i, j: int;
begin
writeln(' Вывести матрицу ', name,
' размера: n=', n, ', * m=', m);
for i := 0 to n - 1 do
for j := 0 to m - 1 do
begin
write(' ', name, '[', i:2, ' ,', j:2, ']= ');
writeln(y[i, j]:8:4)
end;
end;
procedure Em(var E: matr; n: int);
var
i, j: int;
begin
for i := 0 to n do
for j := 0 to n do
if i = j then E[i, j] := 1 else E[i, j] := 0;
end;
procedure Rmatr(var a, b, c: matr; n, m: int);
var
i, j: int;
begin
for i := 0 to n do
for j := 0 to m do
c[i, j] := a[i, j] - b[i, j];
end;
procedure obrmatr(var AIS, AP: matr; n: int);
var
i, j, k: integer;
a: matr;
begin
a := AIS;
n := n - 1;
for k := 0 to n do
begin
for j := 0 to n do
if (j <> k) then AP[k, j] := -a[k, j] / a[k, k];
for i := 0 to n do
if (i <> k) then AP[i, k] := a[i, k] / a[k, k];
for i := 0 to n do
for j := 0 to n do
if (i <> k) and (j <> k)
then AP[i, j] := a[i, j] - a[i, k] * a[k, j] / a[k, k];
AP[k, k] := 1 / a[k, k]; a := AP;
end;
end;
procedure matrvec(var b: matr; var c, x: vec; n: int);
var
i, j: int;
begin
for j := 0 to n - 1 do
begin
x[j] := 0;
for i := 0 to n - 1 do
x[j] := x[j] + b[i, j] * c[i]
end;
end;
begin
clrscr;
readvec(c, 'C', 2);
readmatr(a, 'A', 2, 2);
readmatr(a_1, 'Z', 2, 2);
Em(e, 2);
rmatr(e, a, br, 2, 2); rmatr(e, a_1, br_1, 2, 2);
obrmatr(br, b, 2); obrmatr(br_1, b_1, 2);
matrvec(b, c, x, 2); matrvec(b_1, c, x_1, 2); matrvec(a, x, ax, 2); matrvec(a_1, x_1, ax_1, 2);
if (ax[0] <= c[0]) and (ax[1] <= c[1]) then
writeln('Экономика матрица A - эффективна') else
writeln('Экономика матрица A - не эффективна');
if (ax_1[0] <= c[0]) and (ax_1[1] <= c[1]) then
writeln('Экономика матрица A_1 - эффективна') else
writeln('Экономика матрица A_1 - не эффективна');
readln();
writematr(b, 'B', 2, 2);
writematr(b_1, 'Z', 2, 2);
writevec(x, 'x', 2);
writevec(x_1, 'y', 2);
end. |
|
С++
| C++ | 1
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| #include <iostream>;
// VEC
double x[10], x_1[10], ax[10], ax_1[10], c[10];
// MATR
double e[10][10], a[10][10], a_1[10][10], b[10][10], b_1[10][10], br[10][10], br_1[10][10];
double drob(int a, int b) {
return static_cast<double>(a)/b;
}
void readvec(char *name, int n) {
int a,b;
std::cout << "Vvesti vektor " << name << " razmera " << n << "\n";
for (int i=0; i < n;i++) {
std::cout << " " << name << "[" << i << "]=";
std::cin >> a >> b;
std::cout << "Poluchivsshazsa drob: " << drob(a,b) << "\n";
x[i] = drob(a,b);
}
std::cout << "\n";
}
void readmatr(char *name, int n, int m, char *type) {
int c,b;
std::cout << "Vvesti matricu " << name << " razmera " << n << "x" << m <<"\n";
for (int i=0; i < n;i++) {
for (int j=0; j < m;j++) {
std::cout << " " << name << "[" << i << ", " << j << "]=";
std::cin >> c >> b;
std::cout << "Poluchivsshazsa drob: " << drob(c,b) << "\n";
if (strcmp(type,"A") == 0)
a[i][j] = drob(c,b);
if (strcmp(type,"B") == 0)
a_1[i][j] = drob(c,b);
}
}
std::cout << "\n";
}
void Em(int n) {
for (int i=0; i==n;i++) {
for (int j=0; j==n;j++) {
if (i == j)
e[i][j] = 1;
else
e[i][j] = 0;
}
}
}
void Rmatr(double a[10][10], double b[10][10], int n, int m, char *type) {
for (int i=0; i==n;i++) {
for (int j=0; j==m;j++) {
if (strcmp(type,"A") == 0)
br[i][j] = a[i][j] - b[i][j];
if (strcmp(type,"B") == 0)
br_1[i][j] = a[i][j] - b[i][j];
}
}
}
void obrmatr(double AIS[10][10], double AP[10][10], int n, char *type) {
double a[10][10];
for (int i=0; i<10;i++)
for (int j=0; j<10;j++)
a[i][j] = AIS[i][j];
for (int k=0; k<n;k++){
for (int j=0;j<n;j++)
if (j != k){
if (strcmp(type,"A") == 0)
b[k][j] = -a[k][j] / a[k][k];
if (strcmp(type,"B") == 0)
b_1[k][j] = -a[k][j] / a[k][k];
}
for (int i=0;i<n;i++)
if (i != k){
if (strcmp(type,"A") == 0)
b[i][k] = a[i][k] / a[k][k];
if (strcmp(type,"B") == 0)
b_1[i][k] = a[i][k] / a[k][k];
}
for (int i=0;i<n;i++)
for (int j=0;j<n;j++)
if (i != k && j != k){
if (strcmp(type,"A") == 0)
b[i][j] = a[i][j] - a[i][k] * a[k][j] / a[k][k];
if (strcmp(type,"B") == 0)
b_1[i][j] = a[i][j] - a[i][k] * a[k][j] / a[k][k];
}
if (strcmp(type,"A") == 0)
b[k][k] = 1 / a[k][k];
if (strcmp(type,"B") == 0)
b_1[k][k] = 1 / a[k][k];
for (int i=0; i<10;i++)
for (int j=0; j<10;j++)
a[i][j] = AP[i][j];
}
}
void matrvec(double b[10][10], double c[10], int n, char *type) {
for (int j=0;j<n;j++) {
if (strcmp(type,"A") == 0)
x[j] = 0;
if (strcmp(type,"B") == 0)
x_1[j] = 0;
if (strcmp(type,"C") == 0)
ax[j] = 0;
if (strcmp(type,"D") == 0)
ax_1[j] = 0;
for (int i=0;i<n;i++){
if (strcmp(type,"A") == 0)
x[j] = x[j] + b[i][j] * c[i];
if (strcmp(type,"B") == 0)
x_1[j] = x_1[j] + b[i][j] * c[i];
if (strcmp(type,"C") == 0)
ax[j] = ax[j] + b[i][j] * c[i];
if (strcmp(type,"D") == 0)
ax_1[j] = ax_1[j] + b[i][j] * c[i];
}
}
}
void writematr(double y[10][10], char *name, int n, int m) {
std::cout << "Vivesti matricu " << name << " razmera " << n << "x" << m << "\n";
for (int i=0;i<n; i++)
for (int j=0;j<m;j++) {
std::cout << " " << name << "[" << i << ", " << j << "]=" << y[i][j] << "\n";
}
}
void writevec(double x[10], char *name, int n) {
std::cout << "Vivesti vektor " << name << " razmera " << n << "\n";
for (int i=0;i<n; i++) {
std::cout << " " << name << "[" << i << "]=" << x[i] << "\n";
}
}
int main() {
readvec("C", 2);
readmatr("A", 2, 2, "A");
readmatr("Z", 2, 2, "B");
Em(2);
Rmatr(e, a, 2, 2, "A");
Rmatr(e, a_1, 2, 2, "B");
obrmatr(br, b, 2, "A");
obrmatr(br_1, b_1, 2, "B");
matrvec(b, c, 2, "A");
matrvec(b_1, c, 2, "B");
matrvec(a, x, 2, "C");
matrvec(a_1, x_1, 2, "D");
if (ax[0] <= c[0] && ax[1] <= c[1])
std::cout << "Aconomika matrica A - affektivna \n";
else
std::cout << "Aconomika matrica A - ne affektivna \n";
if (ax_1[0] <= c[0] && ax_1[1] <= c[1])
std::cout << "Aconomika matrica A_1 - affektivna \n";
else
std::cout << "Aconomika matrica A_1 - ne affektivna \n";
std::cout << "\n";
writematr(b, "B", 2, 2);
writematr(b_1, "Z", 2, 2);
writevec(x, "x", 2);
writevec(x_1, "y", 2);
system("pause");
return 0;
} |
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