func_code_string: #include <bits/stdc++.h>   using namespace std;   long long sqr(long long x) { return (long long)(x * x); }   long long my_abs(long long x) {     if (x < 0) return -x;     return x;   }   const int MN = 1000 * 1000 * 10;   int main() {     long long ans = 0;     long long n, m;     cin >> n >> m;     for (long long b = 1; b <= n; b++) {       long long mx_c = min(b * b, m);       long long tmp_ans = 2ll * (long long)(mx_c);       long long up = (long long)sqrt(sqr(b) - 1.0);       long long down = (long long)ceil(sqrt((double)(sqr(b) - (long long)mx_c)));       if (down > up) {         ans += tmp_ans;         continue;       }       tmp_ans -= 2ll * (up - down + 1ll);       ans += tmp_ans;     }     for (int x = -MN; x <= -1; x++) {       int tmp1, tmp2;       if (abs(x) % 2 == 0) {         tmp1 = abs(x - 2) / 2;         tmp2 = abs(x * 2);       } else {         tmp1 = abs(x - 1) / 2;         tmp2 = abs(x);       }       if (tmp1 <= n && tmp2 <= m) ans++;     }     cout << ans;     return 0;   }   