結果
問題 | No.1036 Make One With GCD 2 |
ユーザー | ningenMe |
提出日時 | 2020-09-12 08:24:23 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,282 ms / 2,000 ms |
コード長 | 5,318 bytes |
コンパイル時間 | 2,491 ms |
コンパイル使用メモリ | 210,352 KB |
実行使用メモリ | 23,584 KB |
最終ジャッジ日時 | 2024-09-16 14:31:18 |
合計ジャッジ時間 | 17,819 ms |
ジャッジサーバーID (参考情報) |
judge6 / judge5 |
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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 | 1,282 ms
23,552 KB |
testcase_01 | AC | 181 ms
23,584 KB |
testcase_02 | AC | 193 ms
23,508 KB |
testcase_03 | AC | 20 ms
12,800 KB |
testcase_04 | AC | 32 ms
22,144 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 68 ms
13,068 KB |
testcase_08 | AC | 56 ms
12,732 KB |
testcase_09 | AC | 320 ms
23,552 KB |
testcase_10 | AC | 297 ms
23,168 KB |
testcase_11 | AC | 326 ms
23,552 KB |
testcase_12 | AC | 303 ms
23,040 KB |
testcase_13 | AC | 511 ms
23,296 KB |
testcase_14 | AC | 520 ms
23,532 KB |
testcase_15 | AC | 482 ms
23,108 KB |
testcase_16 | AC | 490 ms
23,168 KB |
testcase_17 | AC | 503 ms
23,312 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 3 ms
5,376 KB |
testcase_20 | AC | 3 ms
5,376 KB |
testcase_21 | AC | 3 ms
5,376 KB |
testcase_22 | AC | 482 ms
23,168 KB |
testcase_23 | AC | 358 ms
22,272 KB |
testcase_24 | AC | 498 ms
23,288 KB |
testcase_25 | AC | 459 ms
22,792 KB |
testcase_26 | AC | 472 ms
22,988 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 2 ms
5,376 KB |
testcase_29 | AC | 2 ms
5,376 KB |
testcase_30 | AC | 2 ms
5,376 KB |
testcase_31 | AC | 2 ms
5,376 KB |
testcase_32 | AC | 2 ms
5,376 KB |
testcase_33 | AC | 2 ms
5,376 KB |
testcase_34 | AC | 2 ms
5,376 KB |
testcase_35 | AC | 2 ms
5,376 KB |
testcase_36 | AC | 2 ms
5,376 KB |
testcase_37 | AC | 2 ms
5,376 KB |
testcase_38 | AC | 189 ms
23,416 KB |
testcase_39 | AC | 484 ms
23,552 KB |
testcase_40 | AC | 354 ms
22,016 KB |
testcase_41 | AC | 564 ms
23,576 KB |
testcase_42 | AC | 542 ms
23,552 KB |
testcase_43 | AC | 610 ms
23,356 KB |
testcase_44 | AC | 627 ms
23,552 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; #define SPEED cin.tie(0);ios::sync_with_stdio(false); /* * @title SegmentTree */ template<class Operator> class SegmentTree { using TypeNode = typename Operator::TypeNode; size_t length; size_t num; vector<TypeNode> node; vector<pair<int,int>> range; inline void init() { for (int i = length - 1; i >= 0; --i) node[i] = Operator::func_node(node[(i<<1)+0],node[(i<<1)+1]); range.resize(2 * length); for (int i = 0; i < length; ++i) range[i+length] = make_pair(i,i+1); for (int i = length - 1; i >= 0; --i) range[i] = make_pair(range[(i<<1)+0].first,range[(i<<1)+1].second); } public: //unitで初期化 SegmentTree(const size_t num): num(num) { for (length = 1; length <= num; length *= 2); node.resize(2 * length, Operator::unit_node); init(); } //vectorで初期化 SegmentTree(const vector<TypeNode> & vec) : num(vec.size()) { for (length = 1; length <= vec.size(); length *= 2); node.resize(2 * length, Operator::unit_node); for (int i = 0; i < vec.size(); ++i) node[i + length] = vec[i]; init(); } //同じinitで初期化 SegmentTree(const size_t num, const TypeNode init) : num(num) { for (length = 1; length <= num; length *= 2); node.resize(2 * length, Operator::unit_node); for (int i = 0; i < length; ++i) node[i+length] = init; init(); } //[idx,idx+1) void update(size_t idx, const TypeNode var) { if(idx < 0 || length <= idx) return; idx += length; node[idx] = Operator::func_merge(node[idx],var); while(idx >>= 1) node[idx] = Operator::func_node(node[(idx<<1)+0],node[(idx<<1)+1]); } //[l,r) TypeNode get(int l, int r) { if (l < 0 || length <= l || r < 0 || length < r) return Operator::unit_node; TypeNode vl = Operator::unit_node, vr = Operator::unit_node; for(l += length, r += length; l < r; l >>=1, r >>=1) { if(l&1) vl = Operator::func_node(vl,node[l++]); if(r&1) vr = Operator::func_node(node[--r],vr); } return Operator::func_node(vl,vr); } //range[l,r) return [l,r] search max right int prefix_binary_search(int l, int r, TypeNode var) { assert(0 <= l && l < length && 0 < r && r <= length); TypeNode ret = Operator::unit_node; size_t off = l; for(size_t idx = l+length; idx < 2*length && off < r; ){ if(range[idx].second<=r && !Operator::func_check(Operator::func_node(ret,node[idx]),var)) { ret = Operator::func_node(ret,node[idx]); off = range[idx++].second; if(!(idx&1)) idx >>= 1; } else{ idx <<=1; } } return off; } //range(l,r] return [l,r] search max left int suffix_binary_search(const int l, const int r, const TypeNode var) { assert(-1 <= l && l < (int)length-1 && 0 <= r && r < length); TypeNode ret = Operator::unit_node; int off = r; for(size_t idx = r+length; idx < 2*length && l < off; ){ if(l < range[idx].first && !Operator::func_check(Operator::func_node(ret,node[idx]),var)) { ret = Operator::func_node(node[idx],ret); off = range[idx--].first-1; if(idx&1) idx >>= 1; } else{ idx = (idx<<1)+1; } } return off; } void print(){ cout << "node" << endl; for(int i = 1,j = 1; i < 2*length; ++i) { cout << node[i] << " "; if(i==((1<<j)-1) && ++j) cout << endl; } cout << "vector" << endl; cout << "{ " << get(0,1); for(int i = 1; i < length; ++i) cout << ", " << get(i,i+1); cout << " }" << endl; } }; class Gcd{ public: inline static long long impl(long long n, long long m) { static constexpr long long K = 5; long long t,s; for(int i = 0; t = n - m, s = n - m * K, i < 80; ++i) { if(t<m){ if(!t) return m; n = m, m = t; } else{ if(!m) return t; n=t; if(t >= m * K) n = s; } } return impl(m, n % m); } inline static long long pre(long long n, long long m) { long long t; for(int i = 0; t = n - m, i < 4; ++i) { (t < m ? n=m,m=t : n=t); if(!m) return n; } return impl(n, m); } inline static long long gcd(long long n, long long m) { return (n>m ? pre(n,m) : pre(m,n)); } inline static constexpr long long pureGcd(long long a, long long b) { return (b ? pureGcd(b, a % b):a); } inline static constexpr long long lcm(long long a, long long b) { return (a*b ? (a / gcd(a, b)*b): 0); } inline static constexpr long long extGcd(long long a, long long b, long long &x, long long &y) { if (b == 0) return x = 1, y = 0, a; long long d = extGcd(b, a%b, y, x); return y -= a / b * x, d; } }; template<class T> struct NodeGcdPointUpdate { using TypeNode = T; inline static constexpr TypeNode unit_node = 0; static constexpr TypeNode func_node(const TypeNode l,const TypeNode r){return Gcd::gcd(l,r);} static constexpr TypeNode func_merge(const TypeNode l,const TypeNode r){return r;} static constexpr bool func_check(const TypeNode nodeVal,const TypeNode var){return var == nodeVal;} }; // solution by binary search in prefix range on segment tree int main() { SPEED ll N; cin >> N; vector<ll> A(N); for(int i = 0; i < N; ++i) cin >> A[i]; SegmentTree<NodeGcdPointUpdate<ll>> seg(A); ll ans = 0; // for(int i = N-1; 0 <= i; --i) { // ans += seg.suffix_binary_search(-1,i,1) + 1; // } for(int i = 0; i < N; ++i) { ans += N - seg.prefix_binary_search(i,N,1); } cout << ans << endl; }