#include <iostream> #include <string> #include <algorithm> using namespace std; int main() { string s; getline(cin, s); int m = 0; int n = 0; for(int i = s.size() - 1; i >= 0; i--) { if (s[i] != ' ') { m = i; break; } } for(int j = m; j >= 0; j--) { if (s[j] == ' ') { n = j; ...