#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int n;
  int m;
  cin >> n >> m;
  int l;
  int r;
  int arr[n];
  int pos = 0;
  int neg = 0;
  for (int i = 0; i < n; i++) {
    cin >> arr[i];
    if (arr[i] == -1) {
      neg++;
    } else {
      pos++;
    }
  }
  int mn = min(neg, pos);
  for (int i = 0; i < m; i++) {
    cin >> l >> r;
    int c = 0;
    if (l == r) {
      cout << "0" << endl;
      c++;
    }
    if (c == 0) {
      if ((abs(l - r) + 1) / 2 <= mn && (abs(l - r) + 1) % 2 == 0) {
        cout << "1" << endl;
      } else {
        cout << "0" << endl;
      }
    }
  }
  return 0;
}
