test/yukicoder/499/main.test.cpp

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• Last update: 2021-04-23 23:44:44+09:00
• Problem: https://yukicoder.me/problems/no/499
• Link: View error logs on GitHub Actions

Depends on

• join function (Mylib/IO/join.cpp)
• Convert base (Mylib/Misc/convert_base.cpp)

Code

#define PROBLEM "https://yukicoder.me/problems/no/499"

#include <algorithm>
#include <iostream>
#include "Mylib/IO/join.cpp"
#include "Mylib/Misc/convert_base.cpp"

namespace hl = haar_lib;

int main() {
  int N;
  std::cin >> N;

  auto res = hl::convert_base_to(N, 7);

  std::cout << hl::join(res.begin(), res.end(), "") << "\n";

  return 0;
}

#line 1 "test/yukicoder/499/main.test.cpp"
#define PROBLEM "https://yukicoder.me/problems/no/499"

#include <algorithm>
#include <iostream>
#line 3 "Mylib/IO/join.cpp"
#include <sstream>
#include <string>

namespace haar_lib {
  template <typename Iter>
  std::string join(Iter first, Iter last, std::string delim = " ") {
    std::stringstream s;

    for (auto it = first; it != last; ++it) {
      if (it != first) s << delim;
      s << *it;
    }

    return s.str();
  }
}  // namespace haar_lib
#line 3 "Mylib/Misc/convert_base.cpp"
#include <vector>

namespace haar_lib {
  std::vector<int64_t> convert_base_to(int64_t val, int64_t base) {
    if (val == 0) return {0};

    int b = std::abs(base);

    std::vector<int64_t> ret;
    while (val != 0) {
      int r = val % b;
      if (r < 0) r += b;
      val = (val - r) / base;
      ret.push_back(r);
    }

    std::reverse(ret.begin(), ret.end());

    return ret;
  }

  int64_t convert_base_from(const std::vector<int64_t> &val, int64_t base) {
    int64_t ret = 0;
    for (auto it = val.begin(); it != val.end(); ++it) {
      (ret *= base) += *it;
    }

    return ret;
  }
}  // namespace haar_lib
#line 7 "test/yukicoder/499/main.test.cpp"

namespace hl = haar_lib;

int main() {
  int N;
  std::cin >> N;

  auto res = hl::convert_base_to(N, 7);

  std::cout << hl::join(res.begin(), res.end(), "") << "\n";

  return 0;
}

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