常用STL的示例代码stl学习文档

#include <algorithm> #include <vector> using namespace std; //合并排序示例 int main() { int A1[] = { 1, 3, 5, 7 }; int A2[] = { 2, 4, 6, 8 }; int A3[8]; const int N1 = sizeof(A1) / sizeof(int); const int N2 = sizeof(A2) / sizeof(int); merge(A1, A1 + N1, A2, A2 + N2, A3 ); for(int i=0;i<4;i++) cout<<A1[i]<<" "; cout<<endl; for(int i=0;i<4;i++) cout<<A2[i]<<" "; cout<<endl; for(int i=0;i<8;i++) cout<<A3[i]<<" "; cout<<endl; vector <int> v1,v2,v3; for(int i=0;i<4;i++) { v1.push_back(A1[i]); v2.push_back(A2[i]); } for(int i=0;i<8;i++) v3.push_back(0); merge(v1.begin(),v1.end(),v2.begin(),v2.end(),v3.begin() ); for(int i=0;i<8;i++) cout<<v3[i]<<" "; return 0; }