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reverse(v.begin()+5,v.begin()+8); Inthe abovefunction,input we have applied reverse()on the vector fromindex5to index7. Thereforewhenwe display the vector wegetreverse order fromindex5to index7. CPP实现 // CPP program to illustrate // std::reverse() function of STL #include<algorithm> ...
reverse函数是一个就地(in-place)算法,它不需要额外的存储空间来存储反转后的元素。因此,其空间复杂度为O(1)。 5. 代码示例 下面是一个使用reverse函数的示例代码: cpp #include <iostream> #include <vector> #include <algorithm> // 包含reverse函数的头文件 int main() { std::ve...
#include <iostream> #include <vector> using namespace std; void show(const char *msg, vector<int> vect); int main() {//from w w w . j a v a2s . co m vector<int> v(10); for(unsigned i=0; i < v.size(); ++i) v[i] = i*i; show("Contents of v: ", v); vector<...
vector<int>::iterator it = find_last(vec, 11); cout << &*it << endl; it = find_last(vec,9); cout << *it << endl; cout << &*it << endl; vector<int>::reverse_iterator rit = find_last1(vec, 11); cout << &*rit << endl; ...
Reverse the order of elements in a vector:vector<int> numbers = {1, 3, 5, 7, 2, 9}; reverse(numbers.begin(), numbers.end()); for (int number : numbers) { cout << number << " "; }Try it Yourself » Definition and UsageThe reverse() function reverses the order of elements...
// alg_reverse.cpp // compile with: /EHsc #include <vector> #include <algorithm> #include <iostream> int main( ) { using namespace std; vector <int> v1; vector <int>::iterator Iter1; int i; for ( i = 0 ; i <= 9 ; i++ ) { v1.push_back( i ); } cout << "The or...
After Reverse :atikiN flesyM olleH 例子2 让我们看另一个简单的例子来反转数字范围: #include<vector>#include<algorithm>#include<iostream>usingnamespacestd;intmain( ){vector<int> v1;vector<int>::iterator Iter1;inti;for( i =0; i <=9; i++ ) ...
// // Functions: // reverse - Reverse the items in a sequence. // disable warning C4786: symbol greater than 255 character, // okay to ignore #pragma warning(disable: 4786) #include <iostream> #include <vector> #include <string> #include <algorithm> #include <functional> using name...
been part of the standard library since the C++17. The function takesstart/enditerators of the range as function arguments and swaps the elements in place. The vector on whichstd::reversehas been called is modified permanently, and any consequent access of its elements results in a new ...