Examen - PC

void minmax(int* x, int n, int* pmin, int* pmax)
{
    int i, min, max;
    min = x[0];
    max = x[0];
    for(i=0;i<n;i++)
    {
        if(x[i] < min)
            min = x[i];
        if(x[i] > max)
            max = x[i];
    }
    *pmin = min;
    *pmax = max;
}

char *strins(char *p, char *s) {
    char *aux;
    aux = strdup(p);
    strcpy(p, s);
    strcat(p, aux);
    return p;
}

void checkMatrix(int** mat, int n, int m)
{
    int sup, inf, i, j, ok1, ok2;
    sup = 0;
    inf = 0;
    ok = 1;
    //Verificare daca este inferior triunghiulara
    //Trebuie sa aiba numai elemente de 0 deasupra diagonalei principale
    ok1 = 1;
    ok2 = 1;
    for(i=0;i<=n-2;i++)
    {
        for(j=i+1;j<=m-1;j++)
            if(a[i][j] != 0)
            {
                ok1 = 0;
                break;
            }
    }

    for(i=1;i<=n-1;i++)
    {
        for(j=0;j<=i-1;j++)
        {
            if(a[i][j] != 0)
            {
                ok2 = 0;
                break;
            }
        }
    }

    if(ok1 == 1 && ok2 == 0)
    {
        printf("Matricea este inferior triunghiulara!");
    }
    else
    if(ok1 == 0 && ok2 == 1)
    {
        printf("Matricea este superior triunghiulara!");
    }
}