Sentence examples for hard problems from inspiring English sources

These are hard problems.

There are also no easy answers to hard problems.

"When people realised these were hard problems, there was retrenchment.

Allegedly, however, there are "hard problems" they will never overcome.

"We're solving hard problems that aren't seen as problems yet".

So it's very important to get really, really interesting projects, with hard problems to solve.

(Not all NP-hard problems are members of the class of NP problems, however).

These types of problems are well-known NP-Hard problems.

All these goals lead to NP-hard problems.

Most real-world optimization problems belong to the class of NP-hard problems.

In order to solve NP-hard problems, there are not provably efficient algorithms.