func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve() {     int n, m;     cin >> n >> m;     int arr[n];     int a = 0, b = 0;     for (int i = 0; i < n; i++) {       cin >> arr[i];       if (arr[i] == 1)         a++;       else         b++;     }     vector<pair<int, int>> v(m);     for (int i = 0; i < m; i++) cin >> v[i].first >> v[i].second;     for (int i = 0; i < m; i++) {       if ((v[i].second - v[i].first + 1) % 2 == 1)         cout <<  0  << endl;       else {         int c = v[i].second - v[i].first + 1;         int d = c / 2;         if (d <= a && d <= b)           cout <<  1  << endl;         else           cout <<  0  << endl;       }     }   }   int main() {     ios_base::sync_with_stdio(NULL);     cin.tie(NULL);     cout.tie(NULL);     int t;     t = 1;     while (t--) {       solve();     }   }   