6.1
#include <iostream>

using namespace std;

unsigned long long int f(int n)
{
if(n == 0) return 0;
if(n == 1 || n == 2) return 1;

return f(n-1)+f(n-2);
}

int main()
{
    int j;
    cout<< " введите число "<<endl;
    cin >> j;
cout <<"F("<<j<<")= "<< f(j) << endl;
return 0;
}
6.2
#include<iostream>
#include<cmath>
#include<iomanip>

using namespace std;

unsigned long long int f(int n)
{
if(n == 0) return 0;
if(n == 1 || n == 2) return 1;

return f(n-1)+f(n-2);
}

int main()
{
double a,c,d,e,fi,g,k;
cout<<setprecision(11);
cout<< " Введите с какой точностью"<<endl;
cout<< "Esp=";
cin>>e;
fi=((sqrt(5)+1)/2);
cout<<"fi="<<fi<<endl;
k=20000;
int n=2;
while(n<k){
d=f(n);
a=f(n-1);
c=d/a;
g=abs(c-fi);
if (g<e){
cout<<"f("<<n<<")="<<c<<endl;
return 0;}
n++;
}
return 0;
}
7.1
#include <iostream>
#include <ctime>
#include <algorithm>
using namespace std;
void rand(int * marry, int c){
    srand(time(NULL));
    for(int x=0; x<c; x++){
        marry[x]=rand()%7;
}
}
void end(int * marry, int c){
    for(int x=0; x<c; x++){
        cout<<marry[x]<<" ";
}
}
int can(int * marry, int c){
    int mini = marry[0];
    for(int x=0; x<c; x++){
        if(marry[x]<=mini){
            mini=marry[x];
}
}
return mini;
}
int main()
{
int c;
cin>>c;
int marry[c];
rand(marry,c);
end(marry,c);
int minimal_value = can(marry, c);
cout <<" "<< "Minimal value : " << minimal_value <<endl;
return 0;
}
7.2
#include <iostream>
#include <ctime>
#include <algorithm>
using namespace std;
void rand(int * marry, int c){
    srand(time(NULL));
    for(int x=0; x<c; x++){
        marry[x]=rand()%7;
}
}
void end(int * marry, int c){
    for(int x=0; x<c; x++){
        cout<<marry[x]<<" ";
}
}
int can(int * marry, int c){
    int mini = marry[0];
    for(int x=0; x<c; x++){
        if(marry[x]<=mini){
            mini=marry[x];
}
}
return mini;
}
int main()
{
int c;
cin>>c;
int marry[c];
rand(marry,c);
end(marry,c);
int minimal_value = can(marry, c);
cout <<" "<< "Minimal value : " << minimal_value <<endl;
return 0;
}
другой вариант 7.2
#include <iostream>
#include <ctime>
#include <algorithm>
using namespace std;
void rand(int * marry, int c){
    srand(time(NULL));
    for(int x=0; x<c; x++){
        marry[x]=rand()%7;
}
}
void end(int * marry, int c){
    for(int x=0; x<c; x++){
        cout<<marry[x]<<" ";
}
}
int can(int * marry, int c){
    int mini = marry[0];
    for(int x=0; x<c; x++){
        if(marry[x]<=mini){
            mini=marry[x];
}
}
return mini;
}

int get_minimum_2(int a, int b) {
if (a < b) return a;
return b;
}

int get_minimum_3(int a, int b, int c) {
return get_minimum_2(a, get_minimum_2(b, c));
}

int get_minimum_6(int a, int b, int c, int d, int e, int f) {
return get_minimum_2(get_minimum_3(a, b, c), get_minimum_3(d, e, f));
}
int get_minimum_12(int a, int b, int c, int d, int e, int f,int j,int k,int l,int s,int q,int y) {
return get_minimum_2(get_minimum_6(a, b, c,k,l,j), get_minimum_6(d, e, f,s,q,y));
}

int main()
{
int c;
cin>>c;
int marry[c];
rand(marry,c);
end(marry,c);
int minimal_value = can(marry, c);
cout <<" "<< "Minimal value : " << minimal_value <<endl;
cout << get_minimum_2(1, 4) << endl;
cout << get_minimum_6(10, 4, 12,-149, 3, 0) <<endl;
cout << get_minimum_12(10, 4, 12,-149, 3, 0,6,8,-2438,1020,924,-512) <<endl;

return 0;
}
7.3
#include <iostream>
#include <cmath>

int main()
{
using namespace std;
int m;
bool JM=true;
int l=1;
for(int u=10;u>l;u++){
cout << "Введите N: ";
cin >> m;

for (int x=2;x<=sqrt(m);x++)
{
if (m%x==0)
JM=false;
}
if (JM==true)
cout << "Простое."<<endl;
else
cout << "Не простое ."<<endl;
JM=true;
}
return 0;
}
7.4
#include <iostream>
#include <cmath>
using namespace std;

int main()
{
int ox,oy,x,y,r,x1,y1,m;
cout<< "Введите координату х центра:";
cin>>ox;
cout<< "Введите координату у центра:";
cin>>oy;
cout<< "Введите координату х Точки:";
cin>>x;
cout<< "Введите координату у Точки:";
cin>>y;
cout<< "Введите длину радиуса:";
cin>>r;
x1=x-ox;
y1=y-oy;
m=((x1)*(x1)+(y1)*(y1));
if (m==r*r)
{
cout<<"0"<<endl;
}
if(m>r*r)
{
cout<<"-1"<<endl;
}
if (m<r*r)
{
cout<<"1"<<endl;
}
return 0;
}