結果
問題 | No.402 最も海から遠い場所 |
ユーザー | moyashi_senpai |
提出日時 | 2016-07-23 00:55:05 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 1,840 ms / 3,000 ms |
コード長 | 2,094 bytes |
コンパイル時間 | 1,398 ms |
コンパイル使用メモリ | 85,396 KB |
実行使用メモリ | 499,796 KB |
最終ジャッジ日時 | 2024-11-06 14:06:24 |
合計ジャッジ時間 | 16,713 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 399 ms
426,368 KB |
testcase_01 | AC | 388 ms
426,368 KB |
testcase_02 | AC | 393 ms
426,240 KB |
testcase_03 | AC | 392 ms
425,984 KB |
testcase_04 | AC | 406 ms
426,112 KB |
testcase_05 | AC | 394 ms
426,112 KB |
testcase_06 | AC | 396 ms
425,984 KB |
testcase_07 | AC | 395 ms
426,240 KB |
testcase_08 | AC | 393 ms
426,112 KB |
testcase_09 | AC | 395 ms
426,112 KB |
testcase_10 | AC | 393 ms
426,240 KB |
testcase_11 | AC | 393 ms
426,368 KB |
testcase_12 | AC | 393 ms
426,112 KB |
testcase_13 | AC | 397 ms
426,368 KB |
testcase_14 | AC | 397 ms
426,112 KB |
testcase_15 | AC | 428 ms
427,136 KB |
testcase_16 | AC | 431 ms
427,520 KB |
testcase_17 | AC | 1,026 ms
443,860 KB |
testcase_18 | AC | 1,840 ms
430,208 KB |
testcase_19 | AC | 1,126 ms
499,796 KB |
testcase_20 | AC | 1,566 ms
426,112 KB |
testcase_21 | AC | 1,177 ms
463,148 KB |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:26:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 26 | scanf("%d %d%*c", &h, &w); | ~~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp:33:30: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 33 | scanf("%c", &c); | ~~~~~^~~~~~~~~~ main.cpp:40:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 40 | scanf("%*c"); | ~~~~~^~~~~~~
ソースコード
#include <iostream> #include <cstdio> #include <vector> #include <cmath> #include <cstring> #include <numeric> #include <algorithm> #include <functional> #include <array> #include <map> #include <queue> using namespace std; #define Getsign(n) ((n > 0) - (n < 0)) typedef vector<int> Ivec; typedef pair<int, int> Pos; const pair<int, int> dir[8] = { {0,1},{1,1}, {1,0},{0,-1},{-1,-1},{1,-1},{-1,1}, {-1,0} }; #define MAX(a,b) (((a)>(b))?(a):(b)) #define Chebi(a,b) (MAX(abs(a.first-b.first),abs(a.second-b.second))) int main() { int h, w; scanf("%d %d%*c", &h, &w); int map[3004][30004] = {}; Pos poss[3004][3004]; queue<Pos> wf; for (int i = 2; h + 1 >= i; i++) { for (int j = 2; w + 1 >= j; j++) { char c; scanf("%c", &c); map[i][j] = c == '#' ? 1 : 0; if (c == '.') { wf.push({ i,j }); poss[i][j] = { i,j }; } } scanf("%*c"); } for (int i = 1; h + 2 >= i; i++) { wf.push({ i, 1 }); wf.push({ i, w+2 }); poss[i][1] = { i,1 }; poss[i][w+2] = {i, w + 2 }; } for (int i = 1; w + 2 >= i; i++) { wf.push({ 1,i }); wf.push({h+2,i }); poss[1][i] = { 1,i}; poss[h+2][i] = {h + 2,i}; } while (!wf.empty()) { Pos sea = wf.front(); wf.pop(); for (int i = 0; 8 > i; i++) { Pos tar = { sea.first + dir[i].first ,sea.second + dir[i].second }; if (map[tar.first][tar.second] == 1) { if (poss[tar.first][tar.second].first == 0 || (Chebi(tar, poss[sea.first][sea.second]) < Chebi(tar, poss[tar.first][tar.second]))) { if (poss[tar.first][tar.second].first == 0 || poss[tar.first][tar.second].first != poss[sea.first][sea.second].first || poss[tar.first][tar.second].second != poss[sea.first][sea.second].second) { poss[tar.first][tar.second] = poss[sea.first][sea.second]; wf.push(tar); } } } } } int maxim = -1, maxss[3004][3004] = {}; for (int i = 2; h + 1 >= i; i++) { for (int j = 2; w + 1 >= j; j++) { if (map[i][j] != 1)continue; Pos tar = { i,j }; maxss[i][j] = Chebi(poss[i][j], tar); maxim = max(maxim, Chebi(poss[i][j], tar)); } } printf("%d", maxim); return 0; }