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#include "src/cpp-template/header/vector-ios.hpp"
std::vector の入出力を定義する。
std::vector
多次元の vector を出力した際、すべての要素が空白区切りで出力されてしまうことに注意。基本的には一次元の vector を出力することを想定している。
#pragma once #include "src/cpp-template/header/rep.hpp" #include <iostream> #include <vector> namespace luz { template < typename T > std::ostream &operator<<(std::ostream &os, const std::vector< T > vs) { for (usize i: rep(0, vs.size())) { os << vs[i] << (i + 1 != vs.size() ? " " : ""); } return os; } template < typename T > std::istream &operator>>(std::istream &is, std::vector< T > &vs) { for (T &v: vs) { is >> v; } return is; } } // namespace luz
#line 2 "src/cpp-template/header/vector-ios.hpp" #line 2 "src/cpp-template/header/rep.hpp" #line 2 "src/cpp-template/header/size-alias.hpp" #include <cstddef> namespace luz { using isize = std::ptrdiff_t; using usize = std::size_t; } // namespace luz #line 4 "src/cpp-template/header/rep.hpp" #include <algorithm> namespace luz { struct rep { struct itr { usize i; constexpr itr(const usize i) noexcept: i(i) {} void operator++() noexcept { ++i; } constexpr usize operator*() const noexcept { return i; } constexpr bool operator!=(const itr x) const noexcept { return i != x.i; } }; const itr f, l; constexpr rep(const usize f, const usize l) noexcept : f(std::min(f, l)), l(l) {} constexpr auto begin() const noexcept { return f; } constexpr auto end() const noexcept { return l; } }; struct rrep { struct itr { usize i; constexpr itr(const usize i) noexcept: i(i) {} void operator++() noexcept { --i; } constexpr usize operator*() const noexcept { return i; } constexpr bool operator!=(const itr x) const noexcept { return i != x.i; } }; const itr f, l; constexpr rrep(const usize f, const usize l) noexcept : f(l - 1), l(std::min(f, l) - 1) {} constexpr auto begin() const noexcept { return f; } constexpr auto end() const noexcept { return l; } }; } // namespace luz #line 4 "src/cpp-template/header/vector-ios.hpp" #include <iostream> #include <vector> namespace luz { template < typename T > std::ostream &operator<<(std::ostream &os, const std::vector< T > vs) { for (usize i: rep(0, vs.size())) { os << vs[i] << (i + 1 != vs.size() ? " " : ""); } return os; } template < typename T > std::istream &operator>>(std::istream &is, std::vector< T > &vs) { for (T &v: vs) { is >> v; } return is; } } // namespace luz