func_code_string: #include <bits/stdc++.h>   using namespace std;   long long int justgreater(long long int n) {     long long int i;     for (i = 1;; i++)       if (i * (i + 1) / 2 > n) break;     return i - 1;   }   int main() {     long long int m, n, a[100009] = {0}, sum = 0, cnt = 0;     cin >> m >> n;     long long int up = justgreater(m + n);     long long int tup = up;     for (; tup >= 1; tup--) {       if (sum + tup > m) continue;       sum += tup;       a[tup]++;     }     long long int cnt0 = 0, cnt1 = 0;     for (long long int i = 1; i <= up; i++)       if (a[i] == 1)         cnt0++;       else         cnt1++;     cout << cnt0 << endl;     for (long long int i = 1; i <= up; i++)       if (a[i] == 1) cout << i <<    ;     cout << endl;     cout << cnt1 << endl;     for (long long int i = 1; i <= up; i++)       if (a[i] == 0) cout << i <<    ;     return 0;   }   