test/yukicoder/782/main.test.cpp
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Code
#define PROBLEM "https://yukicoder.me/problems/no/782"
#include <iostream>
#include "Mylib/IO/input_tuples.cpp"
#include "Mylib/IO/join.cpp"
#include "Mylib/Misc/convert_base.cpp"
namespace hl = haar_lib;
int main() {
std::cin.tie(0);
std::ios::sync_with_stdio(false);
int T, B;
std::cin >> T >> B;
for (auto [N] : hl::input_tuples<int>(T)) {
auto ans = hl::convert_base_to(N, B);
std::cout << hl::join(ans.begin(), ans.end(), "") << "\n";
}
return 0;
}
#line 1 "test/yukicoder/782/main.test.cpp"
#define PROBLEM "https://yukicoder.me/problems/no/782"
#include <iostream>
#line 2 "Mylib/IO/input_tuples.cpp"
#include <initializer_list>
#line 4 "Mylib/IO/input_tuples.cpp"
#include <tuple>
#include <utility>
#include <vector>
#line 6 "Mylib/IO/input_tuple.cpp"
namespace haar_lib {
template <typename T, size_t... I>
static void input_tuple_helper(std::istream &s, T &val, std::index_sequence<I...>) {
(void) std::initializer_list<int>{(void(s >> std::get<I>(val)), 0)...};
}
template <typename T, typename U>
std::istream &operator>>(std::istream &s, std::pair<T, U> &value) {
s >> value.first >> value.second;
return s;
}
template <typename... Args>
std::istream &operator>>(std::istream &s, std::tuple<Args...> &value) {
input_tuple_helper(s, value, std::make_index_sequence<sizeof...(Args)>());
return s;
}
} // namespace haar_lib
#line 8 "Mylib/IO/input_tuples.cpp"
namespace haar_lib {
template <typename... Args>
class InputTuples {
struct iter {
using value_type = std::tuple<Args...>;
value_type value;
bool fetched = false;
int N, c = 0;
value_type operator*() {
if (not fetched) {
std::cin >> value;
}
return value;
}
void operator++() {
++c;
fetched = false;
}
bool operator!=(iter &) const {
return c < N;
}
iter(int N) : N(N) {}
};
int N;
public:
InputTuples(int N) : N(N) {}
iter begin() const { return iter(N); }
iter end() const { return iter(N); }
};
template <typename... Args>
auto input_tuples(int N) {
return InputTuples<Args...>(N);
}
} // namespace haar_lib
#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 2 "Mylib/Misc/convert_base.cpp"
#include <algorithm>
#line 4 "Mylib/Misc/convert_base.cpp"
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/782/main.test.cpp"
namespace hl = haar_lib;
int main() {
std::cin.tie(0);
std::ios::sync_with_stdio(false);
int T, B;
std::cin >> T >> B;
for (auto [N] : hl::input_tuples<int>(T)) {
auto ans = hl::convert_base_to(N, B);
std::cout << hl::join(ans.begin(), ans.end(), "") << "\n";
}
return 0;
}
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