結果
問題 | No.157 2つの空洞 |
ユーザー | mai |
提出日時 | 2017-10-01 22:51:16 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 4,276 bytes |
コンパイル時間 | 3,388 ms |
コンパイル使用メモリ | 221,528 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-15 21:48:59 |
合計ジャッジ時間 | 4,363 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
6,820 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,816 KB |
testcase_05 | AC | 2 ms
6,816 KB |
testcase_06 | AC | 2 ms
6,820 KB |
testcase_07 | AC | 1 ms
6,820 KB |
testcase_08 | AC | 2 ms
6,820 KB |
testcase_09 | AC | 2 ms
6,816 KB |
testcase_10 | AC | 2 ms
6,816 KB |
testcase_11 | AC | 2 ms
6,820 KB |
testcase_12 | AC | 2 ms
6,820 KB |
testcase_13 | AC | 2 ms
6,820 KB |
testcase_14 | AC | 2 ms
6,816 KB |
testcase_15 | AC | 2 ms
6,820 KB |
testcase_16 | AC | 2 ms
6,816 KB |
testcase_17 | AC | 2 ms
6,816 KB |
testcase_18 | AC | 2 ms
6,820 KB |
testcase_19 | AC | 2 ms
6,816 KB |
コンパイルメッセージ
main.cpp: In function 'int main()': main.cpp:89:16: warning: 'rooty' may be used uninitialized [-Wmaybe-uninitialized] 89 | int rootx, rooty; | ^~~~~ main.cpp:89:9: warning: 'rootx' may be used uninitialized [-Wmaybe-uninitialized] 89 | int rootx, rooty; | ^~~~~
ソースコード
#pragma GCC optimize ("O3") #pragma GCC target ("avx") #include "bits/stdc++.h" // define macro "/D__MAI" using namespace std; typedef long long int ll; #define xprintf(fmt,...) fprintf(stderr,fmt,__VA_ARGS__) #define debugv(v) {printf("L%d %s > ",__LINE__,#v);for(auto e:v){cout<<e<<" ";}cout<<endl;} #define debuga(m,w) {printf("L%d %s > ",__LINE__,#m);for(int x=0;x<(w);x++){cout<<(m)[x]<<" ";}cout<<endl;} #define debugaa(m,h,w) {printf("L%d %s >\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[y][x]<<" ";}cout<<endl;}} #define ALL(v) (v).begin(),(v).end() #define repeat(cnt,l) for(auto cnt=0ll;(cnt)<(l);++(cnt)) #define iterate(cnt,b,e) for(auto cnt=(b);(cnt)!=(e);++(cnt)) #define MD 1000000007ll #define PI 3.1415926535897932384626433832795 #define EPS 1e-12 template<typename T1, typename T2> ostream& operator <<(ostream &o, const pair<T1, T2> p) { o << "(" << p.first << ":" << p.second << ")"; return o; } template<typename iterator> inline size_t argmin(iterator begin, iterator end) { return distance(begin, min_element(begin, end)); } template<typename iterator> inline size_t argmax(iterator begin, iterator end) { return distance(begin, max_element(begin, end)); } template<typename T> T& maxset(T& to, const T& val) { return to = max(to, val); } template<typename T> T& minset(T& to, const T& val) { return to = min(to, val); } mt19937_64 randdev(8901016); inline ll rand_range(ll l, ll h) { return uniform_int_distribution<ll>(l, h)(randdev); } #ifdef __MAI #define getchar_unlocked getchar #define putchar_unlocked putchar #endif #ifdef __VSCC #define getchar_unlocked _getchar_nolock #define putchar_unlocked _putchar_nolock #endif namespace { #define isvisiblechar(c) (0x21<=(c)&&(c)<=0x7E) class MaiScanner { public: template<typename T> void input_integer(T& var) { var = 0; T sign = 1; int cc = getchar_unlocked(); for (; cc<'0' || '9'<cc; cc = getchar_unlocked()) if (cc == '-') sign = -1; for (; '0' <= cc&&cc <= '9'; cc = getchar_unlocked()) var = (var << 3) + (var << 1) + cc - '0'; var = var*sign; } inline int c() { return getchar_unlocked(); } inline MaiScanner& operator>>(int& var) { input_integer<int>(var); return *this; } inline MaiScanner& operator>>(long long& var) { input_integer<long long>(var); return *this; } inline MaiScanner& operator>>(string& var) { int cc = getchar_unlocked(); for (; !isvisiblechar(cc); cc = getchar_unlocked()); for (; isvisiblechar(cc); cc = getchar_unlocked()) var.push_back(cc); return *this; } template<typename IT> void in(IT begin, IT end) { for (auto it = begin; it != end; ++it) *this >> *it; } }; } MaiScanner scanner; ll m, n, kei; ll width, height; int field[30][30]; int moving[][2] = { {-1,0},{0,-1},{1,0},{0,1} }; int main() { scanner >> width >> height; int rootx, rooty; iterate(y, 1, height + 1) { string str; scanner >> str; iterate(x, 1, width + 1) { field[y][x] = str[x - 1] == '#' ? 1 : 2; // 0:岩盤, 1:壁, 2:床A, 3:床B if (str[x - 1] == '.') rootx = x, rooty = y; } } queue<array<int, 3>> q; // fill function<void(int,int)> dfs = [&](int y, int x) { if (field[y][x] == 2){ field[y][x] = 3; q.push({ y,x,0 }); for (auto to : moving) dfs(y + to[0], x + to[1]); } }; dfs(rooty, rootx); while (!q.empty()) { auto a = q.front(); q.pop(); int y = a[0]; int x = a[1]; int s = a[2]; field[y][x] = 0; for (auto to : moving) { if (field[y + to[0]][x + to[1]] == 2) { cout << s << endl; exit(0); } if (field[y + to[0]][x + to[1]] == 1) { field[y + to[0]][x + to[1]] = 0; q.push({ y + to[0],x + to[1],s + 1 }); } } } abort(); return 0; }