Handout
经常忘记的c++常识
#include <algorithm>
lower_bound
Returns an iterator pointing to the first element in the range [first,last) which does not compare less than val.
vector >= val
upper_bound
Returns an iterator pointing to the first element in the range [first,last) which compares greater than val.
vector > val
sort
swap
#include <functional>
template
greater<int>()
#include <utility>
pair<int, int>
#include <queue>
priority_queue
top, push, pop
#include <stdlib.h>
- rand
- srand