結果
問題 | No.1120 Strange Teacher |
ユーザー | kcvlex |
提出日時 | 2020-07-22 21:38:01 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 20 ms / 1,000 ms |
コード長 | 3,593 bytes |
コンパイル時間 | 1,431 ms |
コンパイル使用メモリ | 147,376 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-22 14:32:18 |
合計ジャッジ時間 | 2,595 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 3 ms
6,944 KB |
testcase_04 | AC | 18 ms
6,944 KB |
testcase_05 | AC | 19 ms
6,944 KB |
testcase_06 | AC | 18 ms
6,944 KB |
testcase_07 | AC | 18 ms
6,944 KB |
testcase_08 | AC | 19 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 19 ms
6,944 KB |
testcase_11 | AC | 19 ms
6,940 KB |
testcase_12 | AC | 19 ms
6,940 KB |
testcase_13 | AC | 18 ms
6,940 KB |
testcase_14 | AC | 19 ms
6,940 KB |
testcase_15 | AC | 19 ms
6,940 KB |
testcase_16 | AC | 19 ms
6,940 KB |
testcase_17 | AC | 19 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 20 ms
6,944 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 1 ms
6,940 KB |
testcase_23 | AC | 1 ms
6,944 KB |
testcase_24 | AC | 16 ms
6,940 KB |
testcase_25 | AC | 1 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,944 KB |
testcase_29 | AC | 1 ms
6,944 KB |
ソースコード
#define CPP17 #include <limits> #include <initializer_list> #include <utility> #include <bitset> #include <tuple> #include <type_traits> #include <functional> #include <string> #include <array> #include <deque> #include <list> #include <queue> #include <stack> #include <vector> #include <map> #include <set> #include <unordered_map> #include <unordered_set> #include <iterator> #include <algorithm> #include <complex> #include <random> #include <numeric> #include <iostream> #include <iomanip> #include <sstream> #include <regex> #include <cassert> #include <cstddef> #ifdef CPP17 #include <variant> #endif #define endl codeforces #define ALL(v) std::begin(v), std::end(v) #define ALLR(v) std::rbegin(v), std::rend(v) using ll = std::int64_t; using ull = std::uint64_t; using pii = std::pair<int, int>; using tii = std::tuple<int, int, int>; using pll = std::pair<ll, ll>; using tll = std::tuple<ll, ll, ll>; using size_type = ssize_t; template <typename T> using vec = std::vector<T>; template <typename T> using vvec = vec<vec<T>>; template <typename T> const T& var_min(const T &t) { return t; } template <typename T> const T& var_max(const T &t) { return t; } template <typename T, typename... Tail> const T& var_min(const T &t, const Tail&... tail) { return std::min(t, var_min(tail...)); } template <typename T, typename... Tail> const T& var_max(const T &t, const Tail&... tail) { return std::max(t, var_max(tail...)); } template <typename T, typename... Tail> void chmin(T &t, const Tail&... tail) { t = var_min(t, tail...); } template <typename T, typename... Tail> void chmax(T &t, const Tail&... tail) { t = var_max(t, tail...); } template <typename T, std::size_t Head, std::size_t... Tail> struct multi_dim_array { using type = std::array<typename multi_dim_array<T, Tail...>::type, Head>; }; template <typename T, std::size_t Head> struct multi_dim_array<T, Head> { using type = std::array<T, Head>; }; template <typename T, std::size_t... Args> using mdarray = typename multi_dim_array<T, Args...>::type; #ifdef CPP17 template <typename T, typename F, typename... Args> void fill_seq(T &t, F f, Args... args) { if constexpr (std::is_invocable<F, Args...>::value) { t = f(args...); } else { for (size_type i = 0; i < t.size(); i++) fill_seq(t[i], f, args..., i); } } #endif template <typename T> vec<T> make_v(size_type sz) { return vec<T>(sz); } template <typename T, typename... Tail> auto make_v(size_type hs, Tail&&... ts) { auto v = std::move(make_v<T>(std::forward<Tail>(ts)...)); return vec<decltype(v)>(hs, v); } namespace init__ { struct InitIO { InitIO() { std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); std::cout << std::fixed << std::setprecision(30); } } init_io; } #define CPP17 ll solve() { ll n; std::cin >> n; vec<ll> av(n), bv(n); for (ll &e : av) std::cin >> e; for (ll &e : bv) std::cin >> e; ll asum = std::accumulate(ALL(av), 0ll); ll bsum = std::accumulate(ALL(bv), 0ll); ll diff = asum - bsum; if (diff < 0) return -1; ll div = n - 2; if (div == 0) { if (diff) return -1; else return std::abs(av[0] - bv[0]); } if (diff % div != 0) return -1; ll ans = diff / div; ll sum = 0; for (ll i = 0; i < n; i++) { ll a = av[i], b = bv[i]; ll d = b - a; ll c2 = d + ans; if (c2 & 1) return -1; if (c2 < 0) return -1; sum += c2 / 2; } if (sum != ans) return -1; return ans; } int main() { std::cout << solve() << "\n"; return 0; }