<span>100101</span>₂= 1*2⁵+1*2²+1*2⁰= 32+4+1= 37₁₀
1)
#include <iostream>
#include <string>
using namespace std;
int main()
{
setlocale(LC_ALL, "Rus");
string line;
line = "èèíôîðìàöÿ";
string a;
a = line[0];
line.erase(0, 1);
line.insert(8, a);
cout << line;
}
2)
#include <iostream>
#include <algorithm>
using namespace std;
int main()
{
int n;
cin >> n;
int i, array[n];
for(i = 0; i < n; i++)
cin >> array[i];
sort(array, array + n);
int summ = 0;
for(i = 0; i < n; i++)
summ = summ + array[i];
}