Input tuple vector
(Mylib/IO/input_tuple_vector.cpp)

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• Last update: 2021-04-23 23:44:44+09:00
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Notes

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References

Verified with

• test/aoj/0323/main.golden.test.cpp
• test/aoj/0323/main.ternary.test.cpp
• test/aoj/0425/main.test.cpp
• test/aoj/0575/main.test.cpp
• test/aoj/1337/main.test.cpp
• test/aoj/1615/main.test.cpp
• test/aoj/2293/main.test.cpp
• test/aoj/2426/main.test.cpp
• test/aoj/3118/main.test.cpp
• test/aoj/3132/main.test.cpp
• test/aoj/ALDS1_15_C/main.test.cpp
• test/aoj/DPL_1_B/main.test.cpp
• test/aoj/DPL_1_C/main.test.cpp
• test/aoj/DPL_1_F/main.test.cpp
• test/aoj/DPL_1_G/main.test.cpp
• test/aoj/DPL_1_H/main.test.bb.cpp
• test/aoj/DPL_1_H/main.test.cpp
• test/aoj/DPL_2_C/main.test.cpp
• test/yosupo-judge/manhattanmst/main.test.cpp
• test/yosupo-judge/point_add_rectangle_sum/main.test.cpp
• test/yosupo-judge/rectangle_sum/main.fenwick_tree.test.cpp
• test/yosupo-judge/rectangle_sum/main.persistent_segment_tree.test.cpp
• test/yosupo-judge/rectangle_sum/main.segment_tree.test.cpp
• test/yukicoder/1069/main.test.cpp

Code

#pragma once
#include <initializer_list>
#include <iostream>
#include <tuple>
#include <utility>
#include <vector>

namespace haar_lib {
  template <typename T, size_t... I>
  void input_tuple_vector_init(T &val, int N, std::index_sequence<I...>) {
    (void) std::initializer_list<int>{(void(std::get<I>(val).resize(N)), 0)...};
  }

  template <typename T, size_t... I>
  void input_tuple_vector_helper(T &val, int i, std::index_sequence<I...>) {
    (void) std::initializer_list<int>{(void(std::cin >> std::get<I>(val)[i]), 0)...};
  }

  template <typename... Args>
  auto input_tuple_vector(int N) {
    std::tuple<std::vector<Args>...> ret;

    input_tuple_vector_init(ret, N, std::make_index_sequence<sizeof...(Args)>());
    for (int i = 0; i < N; ++i) {
      input_tuple_vector_helper(ret, i, std::make_index_sequence<sizeof...(Args)>());
    }

    return ret;
  }
}  // namespace haar_lib

#line 2 "Mylib/IO/input_tuple_vector.cpp"
#include <initializer_list>
#include <iostream>
#include <tuple>
#include <utility>
#include <vector>

namespace haar_lib {
  template <typename T, size_t... I>
  void input_tuple_vector_init(T &val, int N, std::index_sequence<I...>) {
    (void) std::initializer_list<int>{(void(std::get<I>(val).resize(N)), 0)...};
  }

  template <typename T, size_t... I>
  void input_tuple_vector_helper(T &val, int i, std::index_sequence<I...>) {
    (void) std::initializer_list<int>{(void(std::cin >> std::get<I>(val)[i]), 0)...};
  }

  template <typename... Args>
  auto input_tuple_vector(int N) {
    std::tuple<std::vector<Args>...> ret;

    input_tuple_vector_init(ret, N, std::make_index_sequence<sizeof...(Args)>());
    for (int i = 0; i < N; ++i) {
      input_tuple_vector_helper(ret, i, std::make_index_sequence<sizeof...(Args)>());
    }

    return ret;
  }
}  // namespace haar_lib

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