結果
問題 | No.165 四角で囲え! |
ユーザー | mai |
提出日時 | 2017-09-30 20:46:25 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 176 ms / 5,000 ms |
コード長 | 4,683 bytes |
コンパイル時間 | 3,465 ms |
コンパイル使用メモリ | 227,452 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-07 19:13:47 |
合計ジャッジ時間 | 7,029 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 | 123 ms
6,812 KB |
testcase_01 | AC | 102 ms
6,944 KB |
testcase_02 | AC | 102 ms
6,944 KB |
testcase_03 | AC | 103 ms
6,940 KB |
testcase_04 | AC | 101 ms
6,940 KB |
testcase_05 | AC | 148 ms
6,940 KB |
testcase_06 | AC | 125 ms
6,940 KB |
testcase_07 | AC | 101 ms
6,940 KB |
testcase_08 | AC | 103 ms
6,940 KB |
testcase_09 | AC | 102 ms
6,944 KB |
testcase_10 | AC | 104 ms
6,944 KB |
testcase_11 | AC | 122 ms
6,944 KB |
testcase_12 | AC | 105 ms
6,940 KB |
testcase_13 | AC | 112 ms
6,940 KB |
testcase_14 | AC | 113 ms
6,944 KB |
testcase_15 | AC | 104 ms
6,940 KB |
testcase_16 | AC | 149 ms
6,944 KB |
testcase_17 | AC | 100 ms
6,944 KB |
testcase_18 | AC | 176 ms
6,944 KB |
testcase_19 | AC | 120 ms
6,944 KB |
testcase_20 | AC | 101 ms
6,940 KB |
testcase_21 | AC | 100 ms
6,940 KB |
testcase_22 | AC | 100 ms
6,944 KB |
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, bound; vector<array<int, 3>> points; ll field[410][410]; int exists[410][410]; int main() { scanner >> n >> bound; points.reserve(n); // 座標圧縮用 map<int, int> zip_x; map<int, int> zip_y; repeat(i, n) { int x, y, p; scanner >> x >> y >> p; points.push_back({ x,y,p }); zip_x[x] = zip_y[y] = 0; } { int i = 0; for (auto& p : zip_x) p.second += i++; } { int i = 0; for (auto& p : zip_y) p.second += i++; } // 座圧後,二次元配列にセット for (auto& a : points) { int x = a[0] = zip_x[a[0]]; int y = a[1] = zip_y[a[1]]; field[y][x + 1] = a[2]; exists[y][x + 1] = 1; } // 累積和 for (int y = 0; y < 405; ++y) { for (int x = 0; x < 405; ++x) { field[y][x + 1] += field[y][x]; exists[y][x + 1] += exists[y][x]; } } int best = 0; for (int left = 0; left < 405 - 1; ++left) { for (int right = left + 1; right < 405; ++right) { int score = 0; int count = 0; // しゃくとり int bottom = 0; for (int y = 0; y < 405; ++y) { score += field[y][right] - field[y][left]; count += exists[y][right] - exists[y][left]; while (score > bound) { score -= field[bottom][right] - field[bottom][left]; count -= exists[bottom][right] - exists[bottom][left]; ++bottom; } maxset(best, count); } } } cout << best << endl; return 0; }