cplib/vector_io.hpp

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• Last update: 2025-12-23 22:24:55+09:00
• Include: #include "cplib/vector_io.hpp"

Verified with

• test/aoj/2880/2880-test-00.cpp
• test/aoj/ALDS1_1_C/ALDS1_1_C-test-00.cpp
• test/aoj/NTL_1_A/NTL_1_A-test-00.cpp
• test/library-checker/kth_term_of_linearly_recurrent_sequence/kth_term_of_linearly_recurrent_sequence-test-00.cpp
• test/library-checker/primality_test/primality_test-test-00.cpp
• test/yukicoder/214/214-test-00.cpp
• test/yukicoder/8030/8030-test-00.cpp

Code

#pragma once

#include <cassert>
#include <iostream>
#include <vector>

namespace cplib {

template <typename T>
inline std::istream& operator>>(std::istream& is, std::vector<T>& v) {
#ifdef DEBUG
    assert(v.size() != 0);
#endif
    for (auto& x : v) is >> x;
    return is;
}

template <typename T>
inline std::ostream& operator<<(std::ostream& os, const std::vector<T>& v) {
    const size_t len = v.size();
    for (size_t i = 0; i < len - 1; ++i) os << v[i] << ' ';
    if (len > 0) os << v[len - 1];
    return os;
}

}  // namespace cplib

#line 2 "cplib/vector_io.hpp"

#include <cassert>
#include <iostream>
#include <vector>

namespace cplib {

template <typename T>
inline std::istream& operator>>(std::istream& is, std::vector<T>& v) {
#ifdef DEBUG
    assert(v.size() != 0);
#endif
    for (auto& x : v) is >> x;
    return is;
}

template <typename T>
inline std::ostream& operator<<(std::ostream& os, const std::vector<T>& v) {
    const size_t len = v.size();
    for (size_t i = 0; i < len - 1; ++i) os << v[i] << ' ';
    if (len > 0) os << v[len - 1];
    return os;
}

}  // namespace cplib

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