func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 100005;   int n;   long long a[N], b[N];   int f[N][2];   long long WIN(long long x, long long y) {     assert(x <= y);     if (y & 1) return !(x & 1);     if (x * 2 > y) return x & 1;     if (x * 4 > y) return 1;     return WIN(x, y / 4);   }   long long LOSE(long long x, long long y) {     assert(x <= y);     if (x * 2 > y) return 1;     return WIN(x, y / 2);   }   int main() {     scanf( %d , &n);     for (int i = (int)(1); i <= (int)(n); i++) scanf( %lld%lld , &a[i], &b[i]);     f[n][0] = WIN(a[n], b[n]);     f[n][1] = LOSE(a[n], b[n]);     for (int i = (int)(n - 1); i >= (int)(1); i--) {       if (f[i + 1][0] == 0 && WIN(a[i], b[i])) f[i][0] = 1;       if (f[i + 1][0] == 1 && LOSE(a[i], b[i])) f[i][0] = 1;       if (f[i + 1][1] == 0 && WIN(a[i], b[i])) f[i][1] = 1;       if (f[i + 1][1] == 1 && LOSE(a[i], b[i])) f[i][1] = 1;     }     cout << f[1][0] <<     << f[1][1] << endl;   }   