(10-7)Proiect Biblioteca - biblioteca.c

#include <iostream>
#include <cstdlib>
#include <ctime>
#define dim 5

using namespace std;

int a[dim][dim];

//1.Generarea tabelului
void Generare(int a[][dim], int n)
{
    srand(time(0));
    for(int i = 0; i < n; i++)
        for(int j = 0; j < n; j++)
            a[i][j] = rand() % dim + 1;
}

//2.Afisarea tabelului
void Afisare(int a[][dim], int n)
{
    for(int i = 0; i < n; i++)
    {
        for(int j = 0; j < n; j++)
            cout << a[i][j] << " ";
        cout << "\n";
    }
    cout << "\n\n";
}

//3.Suma elementelor de pe un rand
int SumaR(int a[][dim], int n, int i)
{
    int s = 0;
    for(int j = 0; j < n; j++)
        s += a[i][j];
    return s;
}

//4.Suma elementelor de pe o coloana
int SumaC(int a[][dim], int n, int j)
{
    int s = 0;
    for(int i = 0; i < n; i++)
        s += a[i][j];
    return s;
}

//5.Suma elementelor de pe diagonala principala
int SumaDP(int a[][dim], int n)
{
    int s = 0;
    for(int i = 0; i < n; i++)
        s += a[i][i];
    return s;
}

//6.Suma elementelor de pe diagonala secundara
int SumaDS(int a[][dim], int n)
{
    int s = 0;
    for(int i = 0; i < n; i++)
        s += a[i][n-i-1];
    return s;
}

//7.Suma elementelor de deasupra diagonalei principale
int SumaDeasDP(int a[][dim], int n)
{
    int s = 0;
    for(int i = 0; i < n-1; i++)
        for(int j = i+1; j < n; j++)
            s += a[i][j];
    return s;
}

//8.Suma elementelor de sub diagonala principala
int SumaSubDP(int a[][dim], int n)
{
    int s = 0;
    for(int i = 1; i < n; i++)
        for(int j = 0; j < i; j++)
            s += a[i][j];
    return s;
}

//9.Suma elementelor de deasupra diagonalei secundare
int SumaDeasDS(int a[][dim], int n)
{
    int s = 0;
    for(int i = 0; i < n-1; i++)
        for(int j = 0; j < n-i-1; j++)
            s += a[i][j];
    return s;
}

//10.Suma elementelor de sub diagonala secundara
int SumaSubDS(int a[][dim], int n)
{
    int s = 0;
    for(int i = 1; i < n; i++)
        for(int j = n-i; j < n; j++)
            s += a[i][j];
    return s;
}

//11.Cautarea unui element si afisarea pozitiei lui
void Cautare(int a[][dim], int n, int x)
{
    for(int i = 0; i < n; i++)
        for(int j = 0; j < n; j++)
            if(a[i][j] == x)
                cout << i << ", " << j << "\n";
}

//12.Interschimbarea a doua randuri
void InterschimbareR(int a[][dim], int n, int i, int i2)
{
    for(int j = 0; j < n; j++)
    {
        int aux = a[i][j];
        a[i][j] = a[i2][j];
        a[i2][j] = aux;
    }
}

//13.Interschimbarea a doua coloane
void InterschimbareC(int a[][dim], int n, int j, int j2)
{
    for(int i = 0; i < n; i++)
    {
        int aux = a[i][j];
        a[i][j] = a[i][j2];
        a[i][j2] = aux;
    }
}

//14.Oglinditul tabloului
//a)Vertical
void Oglindit(int a[][dim], int n)
{
    for(int i = 0; i < n; i++)
        for(int j = 0; j <= n/2; j++)
        {
            int aux = a[i][j];
            a[i][j] = a[i][n-j-1];
            a[i][n-j-1] = aux;
        }
}
//b)Orizontal
void Oglindit2(int a[][dim], int n)
{
    for(int j = 0; j < n; j++)
        for(int i = 0; i <= n/2; i++)
        {
            int aux = a[i][j];
            a[i][j] = a[n-i-1][j];
            a[n-i-1][j] = aux;
        }
}
//c)Dupa DP
void Oglindit3(int a[][dim], int n)
{
    for(int i = 1; i < n; i++)
        for(int j = 0; j < i; j++)
        {
            int aux = a[i][j];
            a[i][j] = a[j][i];
            a[j][i] = aux;
        }
}
//d)Dupa DS
void Oglindit4(int a[][dim], int n)
{
    for(int i = 0; i < n-1; i++)
        for(int j = 0; j < n-i-1; j++)
        {
            int aux = a[i][j];
            a[i][j] = a[n-j-1][n-i-1];
            a[n-j-1][n-i-1] = aux;
        }
}