IT孤鹜的专栏

#include #include #include using namespace std; void print(vector::iterator begin,vector::iterator end) { vector::iterator pos=begin;; for(;pos!=end;++pos) cout<<*pos<<" "; cout<<endl; } void mai

vector >vt; // vt.push_back(vector(10,1)); vt.push_back(vector(10,2)); for(vector >::iterator it=vt.begin();it!=vt.end();it++) { for(vector::iterator it1=it->begin();it1!=it->end();it1++) co

#include #include #include #include #include using namespace std; void main() { //整数累加 int a[4]={12,34,44,55}; vector aint(a,a+4); int num = accumulate(aint.begin(),aint.end(),0); cout<<num<<end

#include #include #include using namespace std; void print(int elem) //自定义打印函数 { cout<<elem<<" "; } bool compare(int a, int b) //自定义排序函数规则 { return b<a; } void main() { int a[]={1,2,1,3}; vector