Решение задачи Циклический сдвиг вправо с Mccme

#include <bits/stdc++.h>

using namespace std;

int main()
{
    string s;
    getline(cin, s);
    s.insert(0, " ");
    int pos = s.find(" "), pos1;
    if(s[s.size() - 1] == ' ')
        s.pop_back();
    vector<int> a;
    while(pos + 1){
        pos1 = s.find(" ", pos + 1);
        a.push_back(stoi(s.substr(pos + 1, pos1 - pos - 1)));
        pos = pos1;
    }
    int t = a[a.size() - 1];
    for(int i = a.size() - 1; i >= 1; --i){
        a[i] = a[i - 1];
    }
    a[0] = t;
    for(int i = 0; i < a.size(); ++i)
        cout << a[i] << " ";
    return 0;
}

a = list(input().split())
a = [int(i) for i in a]
t = a[len(a) - 1]
for i in range(len(a) - 1, 0, -1):
    a[i] = a[i - 1]
a[0] = t
for i in range (len(a)):
    print(a[i], end = " ")