結果
問題 | No.631 Noelちゃんと電車旅行 |
ユーザー | mai |
提出日時 | 2018-10-26 15:37:49 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 104 ms / 2,000 ms |
コード長 | 10,799 bytes |
コンパイル時間 | 3,275 ms |
コンパイル使用メモリ | 231,788 KB |
実行使用メモリ | 7,424 KB |
最終ジャッジ日時 | 2024-10-02 09:39:36 |
合計ジャッジ時間 | 6,343 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 49 ms
5,248 KB |
testcase_01 | AC | 103 ms
7,296 KB |
testcase_02 | AC | 101 ms
7,296 KB |
testcase_03 | AC | 104 ms
7,296 KB |
testcase_04 | AC | 101 ms
7,296 KB |
testcase_05 | AC | 101 ms
7,296 KB |
testcase_06 | AC | 38 ms
5,248 KB |
testcase_07 | AC | 26 ms
5,248 KB |
testcase_08 | AC | 74 ms
7,424 KB |
testcase_09 | AC | 77 ms
5,248 KB |
testcase_10 | AC | 63 ms
7,296 KB |
testcase_11 | AC | 53 ms
5,248 KB |
testcase_12 | AC | 70 ms
7,296 KB |
testcase_13 | AC | 52 ms
5,248 KB |
testcase_14 | AC | 20 ms
5,248 KB |
testcase_15 | AC | 47 ms
5,248 KB |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 2 ms
5,248 KB |
testcase_18 | AC | 2 ms
5,248 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 2 ms
5,248 KB |
ソースコード
#pragma GCC optimize ("O3") #include "bits/stdc++.h" using namespace std; using ll = long long int; #define debugos clog #define debug(v) {printf("L%d %s > ",__LINE__,#v);debugos<<(v)<<endl;} #define debugv(v) {printf("L%d %s > ",__LINE__,#v);for(auto e:(v)){debugos<<e<<" ";}debugos<<endl;} #define debuga(m,w) {printf("L%d %s > ",__LINE__,#m);for(int x=0;x<(w);x++){debugos<<(m)[x]<<" ";}debugos<<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++){debugos<<(m)[y][x]<<" ";}debugos<<endl;}} #define ALL(v) (v).begin(),(v).end() #define repeat(cnt,l) for(remove_reference<remove_const<decltype(l)>::type>::type cnt=0;(cnt)<(l);++(cnt)) #define rrepeat(cnt,l) for(auto cnt=(l)-1;0<=(cnt);--(cnt)) #define iterate(cnt,b,e) for(auto cnt=(b);(cnt)!=(e);++(cnt)) #define diterate(cnt,b,e) for(auto cnt=(b);(cnt)!=(e);--(cnt)) const ll MD = 1000000007ll; const long double PI = 3.1415926535897932384626433832795L; inline void assert_call(bool assertion, function<void()> f) { if (!assertion) { cerr << "assertion fault:" << endl; f(); abort(); } } template<typename T1, typename T2> inline ostream& operator <<(ostream &o, const pair<T1, T2> p) { o << '(' << p.first << ':' << p.second << ')'; return o; } template<typename Vec> inline ostream& _ostream_vecprint(ostream& os, const Vec& a) { os << '['; for (const auto& e : a) os << ' ' << e << ' '; os << ']'; return os; } template<typename T> inline ostream& operator<<(ostream& o, const vector<T>& v) { return _ostream_vecprint(o, v); } template<typename T, size_t S> inline ostream& operator<<(ostream& o, const array<T, S>& v) { return _ostream_vecprint(o, v); } template<typename T> inline T& maxset(T& to, const T& val) { return to = max(to, val); } template<typename T> inline T& minset(T& to, const T& val) { return to = min(to, val); } void bye(string s, int code = 0) { cout << s << endl; exit(code); } mt19937_64 randdev(8901016); template<typename T> inline T rand(T l, T h) { return uniform_int_distribution<T>(l, h)(randdev); } template<> inline double rand<double>(double l, double h) { return uniform_real_distribution<double>(l, h)(randdev); } template<> inline float rand<float>(float l, float h) { return uniform_real_distribution<float>(l, h)(randdev); } #if defined(_WIN32) || defined(_WIN64) #define getchar_unlocked _getchar_nolock #define putchar_unlocked _putchar_nolock #elif defined(__GNUC__) #else #define getchar_unlocked getchar #define putchar_unlocked putchar #endif namespace { #define isvisiblechar(c) (0x21<=(c)&&(c)<=0x7E) class MaiScanner { public: template<typename T> void input_integer(T& var) noexcept { 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() noexcept { return getchar_unlocked(); } inline MaiScanner& operator>>(int& var) noexcept { input_integer<int>(var); return *this; } inline MaiScanner& operator>>(long long& var) noexcept { 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; } }; class MaiPrinter { public: template<typename T> void output_integer(T var) noexcept { if (var == 0) { putchar_unlocked('0'); return; } if (var < 0) putchar_unlocked('-'), var = -var; char stack[32]; int stack_p = 0; while (var) stack[stack_p++] = '0' + (var % 10), var /= 10; while (stack_p) putchar_unlocked(stack[--stack_p]); } inline MaiPrinter& operator<<(char c) noexcept { putchar_unlocked(c); return *this; } inline MaiPrinter& operator<<(int var) noexcept { output_integer<int>(var); return *this; } inline MaiPrinter& operator<<(long long var) noexcept { output_integer<long long>(var); return *this; } inline MaiPrinter& operator<<(char* str_p) noexcept { while (*str_p) putchar_unlocked(*(str_p++)); return *this; } inline MaiPrinter& operator<<(const string& str) { const char* p = str.c_str(); const char* l = p + str.size(); while (p < l) putchar_unlocked(*p++); return *this; } template<typename IT> void join(IT begin, IT end, char sep = ' ') { for (bool b = 0; begin != end; ++begin, b = 1) b ? *this << sep << *begin : *this << *begin; } }; } MaiScanner scanner; MaiPrinter printer; template<typename T> // using T = ll; class SegmentTree { public: struct IdxVal { int index; T value; inline IdxVal(int _i = 0, const T& _v = T()) :index(_i), value(_v) { } inline void set(int i, const T& v) { index = i; value = v; } inline bool operator<(const T& t) const { return value < t; } inline bool operator==(const T& t) const { return value == t; } inline bool operator<(const IdxVal& iv) const { return value < iv.value || (value == iv.value && index < iv.index); } inline bool operator==(const IdxVal& iv) const { return index == iv.index && value == iv.value; } }; private: const int size_; vector<T> leaf_data_; // TODO: std::allocator vector<T> addnode_data_; vector<IdxVal> maxnode_data_; T* leaf_; T* addnode_; IdxVal* maxnode_; void _resize() { leaf_data_.resize(size_); addnode_data_.resize(size_ - 1); maxnode_data_.resize(size_ - 1); leaf_ = &leaf_data_[0]; addnode_ = &addnode_data_[0] - 1; maxnode_ = &maxnode_data_[0] - 1; } void _init() { for (int i = size_ - 1; 0 < i; --i) { int c = i<<1; if (size_ <= c) maxnode_[i].set(c - size_, leaf_[c - size_]); else maxnode_[i] = maxnode_[c]; } } public: inline void fill(T val) { std::fill(leaf_data_.begin(), leaf_data_.end(), val); std::fill(addnode_data_.begin(), addnode_data_.end(), 0); _init(); } SegmentTree(int _n) : size_([](int _n) {int s = 8; while (s < _n) s <<= 1; return s; }(_n)) { _resize(); _init(); } SegmentTree(int _n, const T& _fillVal) : size_([](int _n) {int s = 8; while (s < _n) s <<= 1; return s; }(_n)) { _resize(); fill(_fillVal); } // idx の要素の値を取得する inline T getValue(int index) const { T sum = leaf_[index]; index += size_; while (1 < index) { index = index >> 1; // 親へ移動 sum += addnode_[index]; } return sum; } // idx の要素の値をeに書き換える void setValue(int index, const T e) { leaf_[index] = e; for (int i = index + size_; 1 < i;) { i >>= 1; leaf_[index] -= addnode_[i]; } // bottom nodes { int c1 = index >> 1 << 1; int c2 = index >> 1 << 1; if (leaf_[c1] < leaf_[c2]) maxnode_[(index + size_) >> 1].set(c2, leaf_[c2]); else maxnode_[(index + size_) >> 1].set(c1, leaf_[c1]); } for (int i = (index + size_) >> 1; 1 < i;) { i >>= 1; if (maxnode_[i << 1].value < maxnode_[(i << 1) + 1].value) maxnode_[i] = maxnode_[(i << 1) + 1]; else maxnode_[i] = maxnode_[i << 1]; } } private: void _addValueRange(int begin, int end, const T e, int ptr, int rangebegin, int rangeend) { if (rangeend <= begin || end <= rangebegin) return; if (begin <= rangebegin && rangeend <= end) { if (size_ <= ptr) leaf_[ptr - size_] += e; else addnode_[ptr] += e, maxnode_[ptr].value += e; return; } _addValueRange(begin, end, e, ptr << 1, rangebegin, (rangebegin + rangeend) >> 1); _addValueRange(begin, end, e, (ptr << 1) + 1, (rangebegin + rangeend) >> 1, rangeend); if (size_ <= ptr << 1) { int i = (ptr << 1) - size_; if (leaf_[i] < leaf_[i + 1]) maxnode_[ptr].set(i + 1, leaf_[i + 1]); else maxnode_[ptr].set(i, leaf_[i]); } else { if (maxnode_[ptr << 1].value < maxnode_[(ptr << 1) + 1].value) maxnode_[ptr] = maxnode_[(ptr << 1) + 1]; else maxnode_[ptr] = maxnode_[ptr << 1]; } maxnode_[ptr].value += addnode_[ptr]; } private: IdxVal _getMaxRange(int begin, int end, int ptr, int rangebegin, int rangeend) const { if (rangeend <= begin || end <= rangebegin) return IdxVal(-1); if (begin <= rangebegin && rangeend <= end) { if (size_ <= ptr) return IdxVal(rangebegin, leaf_[rangebegin]); else return maxnode_[ptr]; } auto l = _getMaxRange(begin, end, ptr << 1, rangebegin, (rangebegin + rangeend) >> 1); auto r = _getMaxRange(begin, end, (ptr << 1) + 1, (rangebegin + rangeend) >> 1, rangeend); if (l.index == -1) return move(r); if (r.index == -1) return move(l); return l.value < r.value ? move(r) : move(l); } public: // 区間[begin,end)にeを加算する inline void addValueRange(int begin, int end, const T e) { _addValueRange(begin, end, e, 1, 0, size_); } // 区間[begin,end)の最大値を計算する inline IdxVal getMaxRange(int begin, int end) const { if (end - begin <= 1) return IdxVal(begin, getValue(begin)); return _getMaxRange(begin, end, 1, 0, size_); } }; ll m, n, kei; int main() { scanner >> n; SegmentTree<ll> seg(n); --n; repeat(i, n) { ll t; scanner >> t; seg.addValueRange(i, i + 1, -3ll * i + t); } scanner >> m; repeat(lop, m) { ll l, r, d; scanner >> l >> r >> d; seg.addValueRange(l - 1, r, d); ll z = seg.getMaxRange(0, n).value; printer << z + n * 3 << '\n'; } return 0; }