Alitaulukot

input/code.cpp: In function 'int main()':
input/code.cpp:15:7: error: conflicting declaration 'int s'
   int s = 0;
       ^
input/code.cpp:9:10: note: previous declaration as 'std::__cxx11::string s'
   string s;
          ^
input/code.cpp:20:12: error: no match for 'operator<' (operand types are 'std::__cxx11::string {aka std::__cxx11::basic_string<char>}' and 'std::vector<int>::size_type {aka long unsigned int}')
   while (s < vektori.size()) {
          ~~^~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from input/code.cpp:2:
/usr/include/c++/7/bits/stl_pair.h:454:5: note: candidate: template<class _T1, class _T2> constexpr bool std::operator<(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)
     operator<(c...

using namespace std;
#include<iostream>
#include<vector>
#include <stdlib.h>
 
int main() {
  int n, k;
  cin >> n >> k;
  string s;
  vector<int> vektori;
  int x;
  while (cin >> x) {
    vektori.push_back (x);
  }
  int s = 0;
  int a;
  int maara = 0;
  int pienin;
  int suurin;
  while (s < vektori.size()) {
    a = s;
    pienin = vektori[s]
    suurin = vektori[s]
    while (true) {
      if (a != vektori.size() - 1) {
        if (abs(suurin - vektori[a + 1]) <= k && abs(pienin - vektori[a + 1]) <= k {
          a ++;
          if (vektori[a] > suurin) {
            suurin = vektori[a];
          }
          else if (vektori[a] < pienin) {
            pienin = vektori[a];
          }
        }
        else {
          maara += (a - s + 1);
          s ++;
          if (vektori[s] > suurin) {
            suurin = vektori[s];
          }
          else if (vektori[s] < pienin) {
            pienin = vektori[s];
          }
          break;
        }
      }
      else {
        maara += a-s+1;
        s ++;
        if (vektori[s] > suurin) {
          suurin = vektori[s];
        }
        else if (vektori[s] < pienin) {
          pienin = int(taulukko[s])
        }
        break;
      }
    }
  }
  maara++;
  print(maara)
}