How to use integer dichotomy to realize the sum of four squares
This article mainly introduces "how to use integer dichotomy to achieve the sum of four squares". In daily operation, I believe that many people have doubts about how to realize the sum of four squares with integer dichotomy. The editor consulted all kinds of data and sorted out simple and useful operation methods. I hope it will be helpful to solve the doubt of "how to realize the sum of four squares with integer dichotomy". Next, please follow the editor to study!
# include # include using namespace std;const int N = 2500010 displacement / structure struct Sum {int sjournal c journal d; / / the overload operator bool operator < (const Sum & t) const {if (swatches promot.s) return s
