#include<set>#include<utility>#include<algorithm>#include<iostream>structpair_comparer{booloperator()(conststd::pair<int, std::string>& p1,conststd::pair<int, std::string>& p2)const{returnp1.second > p2.second; } };intmain(){ std::set<std::pair<int, std::string>, pair_comparer> ...
C++ STL set::upper_bound() function: Here, we are going to learn about the upper_bound() function of set in C++ STL (Standard Template Library).
示例1:找到multiset中第一个大于指定值的元素 #include<iostream>#include<set>intmain(){std::multiset<int>ms={3,4,5,5,5,7,7,8};intval=6;autoit=ms.upper_bound(val);if(it!=ms.end()){std::cout<<"The first element greater than "<<val<<" is "<<*it<<std::endl;}else{std::cout...
// CPP program to demonstrate the// set::upper_bound() function#include<bits/stdc++.h>usingnamespacestd;intmain(){set<int> s;// Function to insert elements// in the set containers.insert(1); s.insert(4); s.insert(2); s.insert(5); s.insert(6);intkey =8;autoit = s.upper_bo...
lower_bound upper_bound in cpp upper_bound Returns an iterator pointing to the first element in the range [first,last) which compares greater than val. Return value An iterator to the upper bound position for val in the range. If no element in the range compares greater than val, the ...
lower_boundupper_boundin cpp upper_boundReturns an iterator pointing to the first element in the range [first,last) which compares greater than val. Return value An iterator to theupperboundposition for val in the range. If cpp 原创
cppreference 上的条目:lower_boundupper_bound C++17 草案 N4659 lower_bound template<class ForwardIterator, class T> ForwardIterator lower_bound(ForwardIterator first, ForwardIterator last, const T& value); template<class ForwardIterator, class T, class Compare> ForwardIterator lower_bound(ForwardIterat...
C++ STL set::upper_bound() 函数 set::upper_bound() 函数是一个预定义的函数,用于获取集合中任意元素的上界。 它从集合中找到任何所需元素的上限。的上限any_element表示紧邻的集合中的第一个数字any_element。 原型: set<T> st; //declaration
();// display setwhile( iter != organic.end() ) cout << *iter++ <<'\n'; string lower, upper;// display entries in rangecout <<"\nEnter range (example C Czz): "; cin >> lower >> upper; iter = organic.lower_bound(lower);while( iter != organic.upper_bound(upper) ) cout...
// set_upper_bound.cpp // compile with: /EHsc #include <set> #include <iostream> int main( ) { using namespace std; set <int> s1; set <int> :: const_iterator s1_AcIter, s1_RcIter; s1.insert( 10 ); s1.insert( 20 ); s1.insert( 30 ); s1_RcIter = s1.upper_bound( 20...