結果
問題 | No.402 最も海から遠い場所 |
ユーザー | anta |
提出日時 | 2016-07-22 22:44:52 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 83 ms / 3,000 ms |
コード長 | 3,843 bytes |
コンパイル時間 | 1,916 ms |
コンパイル使用メモリ | 178,164 KB |
実行使用メモリ | 47,488 KB |
最終ジャッジ日時 | 2024-11-06 12:48:48 |
合計ジャッジ時間 | 3,447 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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
6,820 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | AC | 2 ms
6,816 KB |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | AC | 2 ms
6,816 KB |
testcase_09 | AC | 2 ms
6,820 KB |
testcase_10 | AC | 2 ms
6,820 KB |
testcase_11 | AC | 2 ms
6,816 KB |
testcase_12 | AC | 2 ms
6,820 KB |
testcase_13 | AC | 3 ms
6,816 KB |
testcase_14 | AC | 2 ms
6,816 KB |
testcase_15 | AC | 5 ms
6,820 KB |
testcase_16 | AC | 5 ms
6,816 KB |
testcase_17 | AC | 54 ms
24,704 KB |
testcase_18 | AC | 83 ms
47,360 KB |
testcase_19 | AC | 62 ms
47,488 KB |
testcase_20 | AC | 83 ms
47,488 KB |
testcase_21 | AC | 67 ms
47,488 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; #define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i)) #define rer(i,l,u) for(int (i)=(int)(l);(i)<=(int)(u);++(i)) #define reu(i,l,u) for(int (i)=(int)(l);(i)<(int)(u);++(i)) static const int INF = 0x3f3f3f3f; static const long long INFL = 0x3f3f3f3f3f3f3f3fLL; typedef vector<int> vi; typedef pair<int, int> pii; typedef vector<pair<int, int> > vpii; typedef long long ll; template<typename T, typename U> static void amin(T &x, U y) { if(y < x) x = y; } template<typename T, typename U> static void amax(T &x, U y) { if(x < y) x = y; } class FastInput { bool _end; public: FastInput() : _end(false) {} operator void*() { return _end ? 0 : (void*)this; } template<typename T> void read_unsigned(T *res) { T x = 0; for(char c = skip(); '0' <= c && c <= '9'; c = gc()) x = x * 10 + (c - '0'); *res = x; } template<typename T> void read_signed(T *res) { char c = skip(); bool sign = false; if(c == '-') sign = true, c = gc(); T x = 0; for(; '0' <= c && c <= '9'; c = gc()) x = x * 10 + (c - '0'); *res = !sign ? x : -x; } void read_c_string(char *str, int *len) { int n = 0; for(char c = skip(); !is_delim(c); c = gc()) str[n ++] = c; str[n] = 0; *len = n; } void read_string(std::string *str) { str->clear(); for(char c = skip(); !is_delim(c); c = gc()) *str += c; } void read_line(std::string *str) { str->clear(); for(char c = gc(); c != '\n'; c = gc()) *str += c; if(!str->empty() && (*str)[str->size() - 1] == '\r') str->resize(str->size() - 1); } void read_double(double *res) { std::string buf; read_string(&buf); sscanf(buf.c_str(), "%lf", res); } void read_char(char *res) { *res = skip(); } void read_string_buf(char *res, int n) { *res = skip(); } FastInput &operator()(char &res) { read_char(&res); return *this; } FastInput &operator()(int &res) { read_signed(&res); return *this; } FastInput &operator()(unsigned &res) { read_unsigned(&res); return *this; } FastInput &operator()(long long &res) { read_signed(&res); return *this; } FastInput &operator()(unsigned long long &res) { read_unsigned(&res); return *this; } FastInput &operator()(char *res) { int len; read_c_string(res, &len); return *this; } FastInput &operator()(std::string &res) { read_string(&res); return *this; } FastInput &operator()(double &res) { read_double(&res); return *this; } template<typename T1, typename T2> FastInput &operator()(T1 &res1, T2 &res2) { return operator()(res1)(res2); } template<typename T1, typename T2, typename T3> FastInput &operator()(T1 &res1, T2 &res2, T3 &res3) { return operator()(res1)(res2)(res3); } template<typename T> FastInput &a(T *a, int n) { for(int i = 0; i < n; ++ i) operator()(a[i]); return *this; } template<typename T> FastInput &operator()(vector<T> &v) { for(size_t i = 0; i < v.size(); ++ i) operator()(v[i]); return *this; } private: static char gc() { #if defined(__GNUC__) && !defined(__MINGW32__) return (char)getchar_unlocked(); #elif defined(_MSC_VER) return (char)_getchar_nolock(); #else return (char)getchar(); #endif } static bool is_delim(char c) { return c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == EOF; } char skip() { if(_end) return EOF; char c; for(c = gc(); c != -1 && is_delim(c); c = gc()); if(c == EOF) _end = true; return c; } } in; int main() { int H; int W; while(in(H, W)) { vector<unique_ptr<char[]>> S(H); rep(i, H) { S[i] = make_unique<char[]>(W + 2); in(S[i].get()); } vector<vector<int>> dp(H + 1, vector<int>(W + 1)); int m = 0; rep(i, H) rep(j, W) if(S[i][j] == '#') { int x = min({ dp[i][j + 1], dp[i + 1][j], dp[i][j] }) + 1; amax(m, x); dp[i + 1][j + 1] = x; } int ans = (m + 1) / 2; printf("%d\n", ans); } return 0; }