#include <iostream>#include <vector>intmain(){// Create a vector containing integersstd::vector<int>v={8,4,5,9};// Add two more integers to vectorv.push_back(6);v.push_back(9);// Overwrite element at position 2v[2]=-1;// Print out the vectorfor(intn:v)std::cout<<n<<'...
cpp #include<iostream>//cin、cout所在头文件usingnamespacestd;intmain(){chara, b;cin >> a >> b;//读入 a 和 bcout << a << endl <<b;//输出 a,换行,再输出 b} scanf 与 printf scanf 与 printf 是 C 提供的函数,大多数情况下,它们的速度比 cin 和 cout 更快,并且能方便地控制输入输出...
// argument vector napi_value argv[ARG_1] = { 0 }; napi_value thisVar = nullptr; void *data = nullptr; napi_status status = napi_get_cb_info(env, info, &argc, argv, &thisVar,&data); NAPI_ASSERT(env, status == napi_ok, "Bad parameters"); NAPI_ASSERT(env, argc == expectAr...
(); IntegerVector out(n); for (int i = 0; i < n; i++) { if(i == 1) out[i] = 1; else if(x[i] == x[i-1]) out[i] = out[i-1]; else out[i] = out[i-1] + 1; } return out; }') sys_time_print({ res1 = get_id(c(rep(33L,1e4),rep(44L,4),rep(...
print(test()) (2, 3) >>> a,b=test() >>> print(a) 2 >>> print(b) 3 >>> print(...
} print; #if __cplusplus < 201100 # error "C++11 or better is required" #endif #include <algorithm> #include <cstdio> #include <cstring> #include <utility> #include <vector> #ifdef __has_include # if __has_include(<version>) # include <version> # endif #endif // Expect a strin...
std::random_shuffle ( myvector.begin(), myvector.end(), myrandom); //print out content: std::cout <<"myvector contains:"; for(std::vector<int>::iterator it=myvector.begin(); it!=myvector.end(); ++it) std::cout<<''<< *it; ...
//Print the values of the vector cout<<"The values of the vector are:\n"; for(inti=0;i<outVect.size();i++) { for(intj=0;j<outVect[i].size();j++) cout<<outVect[i][j]<<" "; cout<<'\n'; } return0; } Output: ...
vector<int>vec={0,3,4,6};cout<<vec.capacity()<<endl;// will print a number greater or equal to 4vec.reserve(10);// you can also force an expansion of the vectorcout<<vec.capacity()<<endl;// will print 10vec.shrink_to_fit();// since C++11, you can contract the vector to...
3.1 **返回vector** 3.2 **返回struct** 4. pybind11与numpy图像数据接口和速度对比:以图像rgb转化为gray的例子 在实际开发过程中,免不了涉及到混合编程,比如,对于python这种脚本语言,性能还是有限的,在一些对性能要求高的情景下面,还是需要使用c/c++来完成。那怎样做呢?我们能使用pybind11作为桥梁,pybind11的优点...