func_code_string: #include <bits/stdc++.h>   using namespace std;   vector<int> a, b;   int main() {     int n, m;     cin >> n >> m;     int x = n + m;     int mx = 1;     while (1LL * mx * (mx + 1) / 2 <= x) mx++;     mx--;     for (int i = mx; i >= 1; i--) {       if (n >= i) {         n -= i;         a.push_back(i);       } else {         m -= i;         b.push_back(i);       }     }     printf( %d n , (int)a.size());     for (int i : a) printf( %d  , i);     puts(  );     printf( %d n , (int)b.size());     for (int i : b) printf( %d  , i);     puts(  );   }   