#include <bits/stdc++.h>   using namespace std;   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     const int maxN = 2 * 1e5;     int answers[maxN];     int n, m, x, neg = 0, pos = 0;     cin >> n >> m;     for (int i = 0; i < n; i++) {       cin >> x;       if (x == -1)         neg++;       else         pos++;     }     int li, ri, range;     for (int i = 0; i < m; i++) {       cin >> li >> ri;       range = ri - li + 1;       if (range % 2 != 0)         answers[i] = 0;       else if (pos >= range / 2 && neg >= range / 2) {         answers[i] = 1;       } else {         answers[i] = 0;       }     }     for (int i = 0; i < m; i++) {       cout << answers[i] << endl;     }     return 0;   }   