func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     int n, m;     cin >> n >> m;     int c1 = 0, c2 = 0;     for (int i = 0; i < n; ++i) {       int aux;       cin >> aux;       c1 += aux == 1;       c2 += aux == -1;     }     for (int i = 0; i < m; ++i) {       int a, b;       cin >> a >> b;       if ((b - a + 1) % 2 == 0) {         if (c1 >= (b - a + 1) / 2 && c2 >= (b - a + 1) / 2)           cout <<  1 n ;         else           cout <<  0 n ;       } else         cout <<  0 n ;     }     return 0;   }   