2. félév | Csonka Péter

https://docs.google.com/document/d/1K3prpp0qocb92dNuJ6oFQBAgRSyhjTTG3CaPC1ppr3k/edit

```
void strcpy(char * D, const char * s);
```
```
 
```
```
int main(){
```
```
	char T[10];
```
```
	strcpy(T, "valami");
```
```
	cout << T;
```
```
	return 0;
```
```
}
```
```
 
```
```
void strcpy(char * D, const char * s){
```
```
	for(int i=0;s[i]!='';++i){
```
```
   	D[i]=s[i];
```
```
	}
```
```
}
```

Áttértünk a C-re.
A jegyzet: https://docs.google.com/document/d/1vAZ-p2yapQcnIQUr_0WKtGQxz0lb7pI6yB6-Z2qkT4c/edit

```
#include &lt;stdio.h&gt;
```
```
#include &lt;stdlib.h&gt;
```
```
#include &lt;string.h&gt;
```
```
int main(int AGC, char * ARGV[]){
```
```
char s1[20]; char s[200]; int egy;
```
```
strcpy(s," ");
```
```
do{
```
```
printf("Kerem a szovegeket: ");
```
```
scanf("%s", &amp;s1);
```
```
egy=strcmp(s1, "vege");
```
```
if(egy!=0){
```
```
strcat(s,s1);
```
```
}
```
```
} while (egy!=0);
```

printf("Az osszemasolt szoveg: %sn", s);

```
return 0;
```
```
}
```

#include &lt;stdio.h&gt;
#include &lt;stdlib.h&gt;
#include &lt;string.h&gt;
int main(int AGC, char * ARGV[]){
char s1[20]; char s[200]; int egy; char ch[2]; int db=0;
strcpy(s," ");
printf("Kerem a vizsgalando szoveget: ");
gets(ch);
do{
printf("Kerem a szovegeket: ");
scanf("%s", &amp;s1);
egy=strcmp(s1, "vege");
if(egy!=0){
strcat(s,s1);
}
if(s1[0]==ch[0]){
db=db+1;
}
} while (egy!=0);
//    printf("Az osszemasolt szoveg: %sn", s);
printf("A keresett elemek szama: %dn", db);
return 0;
}

Tovább olvasás →

https://docs.google.com/document/d/1H8-kF2jE0MuSrao__M93YroymuTdUKxdNlAeak5MHOk/edit

```
#include <iostream>
```
```
#include <fstream>
```
```
#include <vector>
```
```
 
```
```
using namespace std;
```
```
 
```
```
void beolvasas(vector<double> &x);
```
```
void beolvasas_file(vector<double> &x);
```

void fel1(const vector<double> hom, double &atlag);

void fel3(const vector<double> hom, int &leghidegebbnap);

void fel7(const vector<double> hom, bool &van, int &ind);

void ellkiiras(const vector<double> &hom);

```
 
```
```
int main()
```
```
{
```
```
    //double hom[MAXN];
```
```
    vector<double> hom;
```
```
 
```
```
    //beolvasas(hom);
```
```
    beolvasas_file(hom);
```
```
    ellkiiras(hom);
```
```
 
```
```
    double atlag;
```
```
    fel1(hom, atlag);
```

    cout << "Atlaghom= " << atlag << endl;

```
 
```
```
    int leghidegebbnap;
```
```
    fel3(hom, leghidegebbnap);
```

    cout << "Leghidegebbnap= " << leghidegebbnap << endl;

```
 
```
```
    bool van;
```
```
    int ind;
```
```
    fel7(hom, van, ind);
```
```
    if (van)
```
```
    {
```

        cout << "= a szomszedjaval: " << ind << endl;

```
    }
```
```
    else
```
```
    {
```

        cout << "Nincs = a szomszedjaval" << endl;

```
    }
```
```
 
```
```
    return 0;
```
```
}
```
```
 
```
```
void beolvasas(vector<double> &x)
```
```
{
```
```
    int n;
```
```
    cout << "n=";
```
```
    cin >> n;
```
```
    x.resize(n);
```
```
    for (int i=0; i<n; ++i)
```
```
    {
```
```
        cout << i << ". hom: ";
```
```
        cin >> x[i];
```
```
    }
```
```
}
```
```
 
```
```
void beolvasas_file(vector<double> &x)
```
```
{
```
```
    double sv;
```
```
    //ifstream f("be.txt");
```
```
    ifstream f;
```
```
    string fajlnev;
```
```
    bool hiba;
```
```
 
```
```
    do
```
```
    {
```
```
        cout << "Fajlnev: ";
```
```
        cin >> fajlnev;
```
```
        f.open(fajlnev.c_str());
```
```
        hiba=f.fail();
```
```
        if (hiba)
```
```
        {
```

            cout << "Nem jo fajlnev" << endl;

```
        }
```
```
    }
```
```
    while(hiba);
```
```
 
```
```
    /*while (!f.eof())
```
```
    {
```
```
        f >> sv;
```
```
        if (f.good())
```
```
        {
```
```
            x.push_back(sv);
```
```
        }
```
```
    }*/
```
```
 
```
```
    f >> sv;
```
```
    while (!f.eof())
```
```
    {
```
```
        x.push_back(sv);
```
```
        f >> sv;
```
```
    }
```
```
 
```
```
    f.close();
```
```
}
```
```
 
```

void ellkiiras(const vector<double> &hom)

```
{
```
```
    for (int i=0; i<hom.size(); ++i)
```
```
    {
```

        cout << i << ".: " << hom[i] << endl;

```
    }
```
```
}
```
```
 
```

void fel1(const vector<double> hom, double &atlag)

```
{
```
```
    double s=0;
```
```
    int n=hom.size();
```
```
    for (int i=0; i<n; ++i)
```
```
    {
```
```
        s+=hom[i];
```
```
    }
```
```
    atlag=s/n;
```
```
}
```
```
 
```

void fel3(const vector<double> hom, int &leghidegebbnap)

```
{
```
```
    double max=hom[0];
```
```
    leghidegebbnap=0;
```
```
    for (int i=0; i<hom.size(); ++i)
```
```
    {
```
```
        if (hom[i]<max)
```
```
        {
```
```
            leghidegebbnap=i;
```
```
            max=hom[i];
```
```
        }
```
```
    }
```
```
}
```
```
 
```

void fel7(const vector<double> hom, bool &van, int &ind)

```
{
```
```
    ind=0;
```

    while (ind<hom.size() && hom[ind]!=hom[ind+1])

```
    {
```
```
        ++ind;
```
```
    }
```
```
    van=ind<hom.size();
```
```
}
```

Tovább olvasás →

A második óra anyaga:

https://docs.google.com/document/d/1crynsOlWpLty1W8jQ9Uwv-fOaxlCzducD078R0Njew4/edit

Tovább olvasás →

Az előadásra nem sikerült bemennem, de az 1. hét gyakorlatai megvoltak. Szerintem egész jóra sikerült ez a tárgy átalakítás. A Dokumentum erre található, a 4. oldalon lévő feladat kódja pedig a tovább mögött.

Mod #1: Előkerítettem a régi Programozási Tételek .pdf-emet, úgyfest szükség lesz rá.
(tovább…)

Tovább olvasás →

ELTE > Web-Programozó > 2. félév

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