It's undeniable that almost all programmer are API caller(laugh). But we use code to solve problems, so we need to improve out ability to solve problems with code.
There is a way to improve out ability that do the algorithm problems.
LeetCode is a OJ website that you can use it to practice.
Perhaps you may find that doing algorithm problems is more interesting than usual work.
#include <bits/stdc++.h>
using namespace std;LeetCode uses the code by default.
If you have joined the NOIP or ICPC, I believe you are familiar with above lines of code.
Right, you can use everything in the c/cpp standara library. It's very convenient to solve problems that about algorithm and datastruct.
