〔C++〕vector対<
1200 ワード
template
std::ostream& operator << (std::ostream& out, std::vector vec) {
out << "[";
for (typename std::vector::iterator ite(vec.begin()); ite != vec.end(); ite++) {
out << *ite;
if (vec.end() != ite + 1)
out << ", ";
}
out << "]";
return out;
}
使用法
std::vector v = {1,2,3};
std::cout << v << std::endl;
std::vector<:vector>> vec = {{1,2,3},{4,5,6}};
std::cout << vec << std::endl;
印刷map
#include
#include