結果
問題 | No.1668 Grayscale |
ユーザー | keijak |
提出日時 | 2021-09-04 00:23:58 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 3,475 bytes |
コンパイル時間 | 2,785 ms |
コンパイル使用メモリ | 223,052 KB |
実行使用メモリ | 119,856 KB |
最終ジャッジ日時 | 2024-05-09 08:52:56 |
合計ジャッジ時間 | 12,008 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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
10,624 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 1,676 ms
117,508 KB |
testcase_07 | AC | 1,534 ms
117,512 KB |
testcase_08 | AC | 65 ms
7,040 KB |
testcase_09 | TLE | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
ソースコード
#include <bits/stdc++.h> #define REP_(i, a_, b_, a, b, ...) \ for (int i = (a), END_##i = (b); i < END_##i; ++i) #define REP(i, ...) REP_(i, __VA_ARGS__, __VA_ARGS__, 0, __VA_ARGS__) #define ALL(x) std::begin(x), std::end(x) using i64 = long long; template<typename T, typename U> inline bool chmax(T &a, U b) { return a < b and ((a = std::move(b)), true); } template<typename T, typename U> inline bool chmin(T &a, U b) { return a > b and ((a = std::move(b)), true); } template<typename T> inline int ssize(const T &a) { return (int) std::size(a); } template<typename T> std::istream &operator>>(std::istream &is, std::vector<T> &a) { for (auto &x: a) is >> x; return is; } template<typename T, typename U> std::ostream &operator<<(std::ostream &os, const std::pair<T, U> &a) { return os << "(" << a.first << ", " << a.second << ")"; } template<typename Container> std::ostream &print_seq(const Container &a, std::string_view sep = " ", std::string_view ends = "\n", std::ostream &os = std::cout) { auto b = std::begin(a), e = std::end(a); for (auto it = std::begin(a); it != e; ++it) { if (it != b) os << sep; os << *it; } return os << ends; } template<typename T, typename = void> struct is_iterable : std::false_type {}; template<typename T> struct is_iterable<T, std::void_t<decltype(std::begin(std::declval<T>())), decltype(std::end(std::declval<T>()))>> : std::true_type { }; template<typename T, typename = std::enable_if_t< is_iterable<T>::value && !std::is_same<T, std::string_view>::value && !std::is_same<T, std::string>::value>> std::ostream &operator<<(std::ostream &os, const T &a) { return print_seq(a, ", ", "", (os << "{")) << "}"; } void print() { std::cout << "\n"; } template<class T> void print(const T &x) { std::cout << x << "\n"; } template<typename Head, typename... Tail> void print(const Head &head, Tail... tail) { std::cout << head << " "; print(tail...); } struct Input { template<typename T> operator T() const { T x; std::cin >> x; return x; } } in; #ifdef MY_DEBUG #include "debug_dump.hpp" #else #define DUMP(...) #endif using namespace std; auto solve() { const int H = in, W = in, N = in; vector C(H, vector(W, 0)); set<int> cvals; REP(i, H) { REP(j, W) { int c = in; C[i][j] = c; cvals.insert(c); } } map<int, int> cindex; { int idx = 0; for (int v: cvals) { cindex[v] = idx++; } } DUMP(cvals); DUMP(cindex); vector<pair<int, int>> intervals; REP(i, H - 1) REP(j, W) { int l = C[i][j]; int r = C[i + 1][j]; if (l == r) continue; if (l > r) swap(l, r); DUMP(l, r, cindex[l], cindex[r]); intervals.push_back({cindex[r], cindex[l]}); } REP(i, H) REP(j, W - 1) { int l = C[i][j + 1]; int r = C[i][j]; if (l == r) continue; if (l > r) swap(l, r); DUMP(l, r, cindex[l], cindex[r]); intervals.push_back({cindex[r], cindex[l]}); } sort(ALL(intervals)); DUMP(intervals); int last = -100; int cnt = 0; for (auto[r, l]: intervals) { if (l <= last) continue; cnt++; last = r - 1; } return cnt + 1; } int main() { ios_base::sync_with_stdio(false), cin.tie(nullptr); cout << std::fixed << std::setprecision(18); const int t = 1; REP(test_case, t) { auto ans = solve(); print(ans); } }