代碼如下:

#include <iostream> #include <algorithm> #include <vector> #include <ctime> using namespace std;void myPrint(int val) {cout << val << " "; }void test01() {vector<int>v1;for (int i = 0; i < 10; i++){v1.push_back(i + 1);}vector<int>v2;v2.resize(v1.size());copy(v1.begin(), v1.end(), v2.begin());for_each(v2.begin(), v2.end(), myPrint);cout << endl; }int main() {test01();return 0; }

測試結果:

總結:

代碼如下:

#include <iostream> #include <algorithm> #include <vector> #include <ctime> using namespace std;void myPrint(int val) {cout << val << " "; }void test01() {vector<int>v1;for (int i = 0; i < 10; i++){v1.push_back(i + 1);}for_each(v1.begin(), v1.end(), myPrint);cout << endl;replace(v1.begin(), v1.end(), 2, 2000);for_each(v1.begin(), v1.end(), myPrint);cout << endl; }int main() {test01();return 0; }

測試結果:

總結:

代碼如下:

#include <iostream> #include <algorithm> #include <vector> #include <ctime> using namespace std;void myPrint(int val) {cout << val << " "; }class replaceGreater30 { public:bool operator()(int val){return val >= 30;} };void test01() {vector<int>v1;for (int i = 20; i <= 40; i++){v1.push_back(i + 1);}for_each(v1.begin(), v1.end(), myPrint);cout << endl;replace_if(v1.begin(), v1.end(), replaceGreater30(),3000);for_each(v1.begin(), v1.end(), myPrint);cout << endl; }int main() {test01();return 0; }

測試結果:

總結:

代碼如下:

#include <iostream> #include <algorithm> #include <vector> #include <ctime> using namespace std;void myPrint(int val) {cout << val << " "; }class replaceGreater30 { public:bool operator()(int val){return val >= 30;} };void test01() {vector<int>v1;vector<int>v2;for (int i = 0; i <= 10; i++){v1.push_back(i);v2.push_back(i + 100);}for_each(v1.begin(), v1.end(), myPrint);cout << endl;for_each(v2.begin(), v2.end(), myPrint);cout << endl;cout << "-------------------------------------" << endl;swap(v1, v2);for_each(v1.begin(), v1.end(), myPrint);cout << endl;for_each(v2.begin(), v2.end(), myPrint);cout << endl; }int main() {test01();return 0; }

測試結果:

總結:

總結

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