結果
問題 | No.707 書道 |
ユーザー | naimonon77 |
提出日時 | 2018-11-18 17:49:22 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 7 ms / 2,000 ms |
コード長 | 4,086 bytes |
コンパイル時間 | 2,380 ms |
コンパイル使用メモリ | 209,976 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-06 20:50:26 |
合計ジャッジ時間 | 2,883 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 3 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 5 ms
5,248 KB |
testcase_06 | AC | 6 ms
5,376 KB |
testcase_07 | AC | 7 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
ソースコード
#define NOMINMAX #define TEST_MODE true #define _CRT_SECURE_NO_WARNINGS #define _USE_MATH_DEFINES #include "bits/stdc++.h" using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); ++i) #define rep2(i, a, b) for (int i = (a); i < (int)(b); ++i) #define rrep(i, n) for (int i = (n)-1; i >= 0; --i) #define rrep2(i, a, b) for (int i = (a)-1; i >= (int)b; --i) #define range(i, a, b, c) for (int i = a; \ c > 0 ? i < b : i > b; \ i += c) #define chmax(a, b) (a = (a) < (b) ? (b) : (a)) #define chmin(a, b) (a = (a) > (b) ? (b) : (a)) using ll = long long; using ull = unsigned long long; using ld = long double; #define all(a) begin(a), end(a) #define ifnot(a) if (not(a)) #define int long long #ifdef LOCAL_ENV #if TEST_MODE == true const bool test = true; #define dump(x) cerr << #x << " : " << (x) << " " #define dumpl(x) dump(x) << endl #else const bool test = false; #define dump(x) #define dumpl(x) #endif #else const bool test = false; #define dump(x) #define dumpl(x) #endif int dx[] = { 1, 0, -1, 0 }; int dy[] = { 0, 1, 0, -1 }; const int INF = (int)1 << 60; const ll INFL = (ll)1 << 60; ll mod_n = (int)1e9 + 7; const double eps = 1e-10; typedef long double Real; // return -1, 0, 1 int sgn(const Real &r) { return (r > eps) - (r < -eps); } int sgn(const Real &a, const Real &b) { return sgn(a - b); } //..................... const int MAX = (int)2e5 + 5; vector<string> split(const string &str, char sep) { vector<string> v; stringstream ss(str); string buffer; while (getline(ss, buffer, sep)) { v.push_back(buffer); } return v; } string join(const vector<string>& v, const char* delim = 0) { string s; if (!v.empty()) { s += v[0]; for (decltype(v.size()) i = 1, c = v.size(); i < c; ++i) { if (delim) s += delim; s += v[i]; } } return s; } template <class InputIterator> int sum(InputIterator begin, InputIterator end) { return accumulate(begin, end, 0ll); } template<typename T> T gcd(T a, T b) { T c; while (a != 0) { c = a; a = b%a; b = c; } return b; } template<typename T> T bit_count(T N) { T cnt = 0; while (N) { if (N & 1) cnt++; N >>= 1; } return cnt; } template<typename T> void print_vec(ostream& ostream, vector<T> a) { rep(i, a.size() - 1) ostream << a[i] << " "; ostream << a.back() << endl; } ll pow_n(ll x,ll n) { ll res = 1; while (n > 0) { if (n & 1) res = res * x; x = x * x; n >>= 1; } return res; } class Solver { public: int H, W; bool grid_ng(int y, int x) { return y < 0 || y >= H || x < 0 || x >= W; } struct Point { int x, y; bool operator < (const Point& r) const { if (y != r.y) return y < r.y; return x < r.x; } }; string P[55]; double f(int xi, int yi) { double res = 0; rep2(x, 1, W + 1) { rep2(y, 1, H + 1) { // dump(y); dumpl(x); if (P[y][x] == '1') { if (xi == 0 && yi == 3) { dump(x); dump(y); dumpl(hypot(xi - x, yi - y)); } res += hypot(xi - x, yi - y); } } } return res; } void solve() { cin >> H >> W; P[0] = ""; rep2(i, 1, H + 1) cin >> P[i]; rep(i, H + 1) P[i] = " " + P[i]; //dumpl(P[4][2]); //rep(i, H + 1) { // cerr << P[i] << endl; //} int start_x[] = { 1, 1, 0, W + 1 }; int start_y[] = { 0, H + 1, 1, 1 }; // Point start[] = { (1, 0), (1, H + 1), (0, 1), (W + 1, 1)}; double res = INF; rep(i, 4) { int xi = start_x[i]; int yi = start_y[i]; while (true) { if (i < 2 && not (xi <= W)) break; if (i >= 2 && not (yi <= H)) break; // dump(xi); dumpl(yi); // cerr << "!" << endl; double sum = f(xi, yi); dump(xi); dump(yi); dumpl(sum); if (i < 2) xi += 1; if (i >= 2) yi += 1; chmin(res, sum); } } cout << res << endl; } }; signed main() { srand((unsigned int)time(NULL)); cout << fixed << setprecision(20); auto ptr = new Solver(); ptr->solve(); delete ptr; //while (true) { // if (cin.eof() == true) break; // auto ptr = new Solver(); // ptr->solve(); // delete ptr; //} return 0; }