結果
問題 | No.1673 Lamps on a line |
ユーザー | Ogtsn99 |
提出日時 | 2021-09-10 21:34:58 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 296 ms / 2,000 ms |
コード長 | 4,557 bytes |
コンパイル時間 | 6,098 ms |
コンパイル使用メモリ | 410,756 KB |
実行使用メモリ | 11,580 KB |
最終ジャッジ日時 | 2024-06-11 22:42:52 |
合計ジャッジ時間 | 8,793 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
(要ログイン)
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 | 5 ms
11,408 KB |
testcase_01 | AC | 5 ms
11,420 KB |
testcase_02 | AC | 86 ms
11,388 KB |
testcase_03 | AC | 86 ms
11,512 KB |
testcase_04 | AC | 144 ms
11,276 KB |
testcase_05 | AC | 13 ms
11,400 KB |
testcase_06 | AC | 132 ms
11,580 KB |
testcase_07 | AC | 158 ms
11,404 KB |
testcase_08 | AC | 6 ms
11,412 KB |
testcase_09 | AC | 220 ms
11,336 KB |
testcase_10 | AC | 237 ms
11,400 KB |
testcase_11 | AC | 28 ms
11,460 KB |
testcase_12 | AC | 296 ms
11,372 KB |
ソースコード
#include <bits/stdc++.h> #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using namespace std; using namespace boost::multiprecision; typedef cpp_int BigInt; typedef cpp_dec_float_100 PreciseFloat; #define int long long #define rep(i, n) for(int (i)=0;(i)<(n);(i)++) #define rrep(i, n) for(int (i)=((n)-1);(i)>=0;(i)--) #define itn int #define miele(v) min_element(v.begin(), v.end()) #define maele(v) max_element(v.begin(), v.end()) #define SUM(v) accumulate(v.begin(), v.end(), 0LL) #define lb(a, key) lower_bound(a.begin(),a.end(),key) #define ub(a, key) upper_bound(a.begin(),a.end(),key) #define COUNT(a, key) count(a.begin(), a.end(), key) #define BITCOUNT(x) __builtin_popcount(x) #define pb push_back #define all(x) (x).begin(),(x).end() #define F first #define S second using P = pair<int, int>; using WeightedGraph = vector<vector<P>>; using UnWeightedGraph = vector<vector<int>>; using Real = long double; using Point = complex<Real>; //Point and Vector2d is the same! // p.real() or real(p) -> x軸, p.imag() or imag(p) -> y軸 using Vector2d = complex<Real>; const int MOD = 1000000007; const long long INF = 1LL << 60; const double EPS = 1e-15; const double PI = 3.14159265358979323846; template<typename T> int getIndexOfLowerBound(vector<T> &v, T x) { return lower_bound(v.begin(), v.end(), x) - v.begin(); } template<typename T> int getIndexOfUpperBound(vector<T> &v, T x) { return upper_bound(v.begin(), v.end(), x) - v.begin(); } template<class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } #define repi(itr, ds) for (auto itr = ds.begin(); itr != ds.end(); itr++) istream &operator>>(istream &is, Point &p) { Real a, b; is >> a >> b; p = Point(a, b); return is; } template<typename T, typename U> istream &operator>>(istream &is, pair<T, U> &p_var) { is >> p_var.first >> p_var.second; return is; } template<typename T> istream &operator>>(istream &is, vector<T> &vec) { for (T &x : vec) is >> x; return is; } template<typename T, typename U> ostream &operator<<(ostream &os, pair<T, U> &pair_var) { os << pair_var.first << ' ' << pair_var.second; return os; } template<typename T> ostream &operator<<(ostream &os, vector<T> &vec) { for (int i = 0; i < vec.size(); i++) os << vec[i] << ' '; return os; } template<typename T, typename U> ostream &operator<<(ostream &os, vector<pair<T, U>> &vec) { for (int i = 0; i < vec.size(); i++) os << vec[i] << '\n'; return os; } template<typename T> ostream &operator<<(ostream &os, vector<vector<T>> &df) { for (auto &vec : df) os << vec; return os; } template<typename T, typename U> ostream &operator<<(ostream &os, map<T, U> &map_var) { repi(itr, map_var) { os << *itr << ' '; itr++; itr--; } return os; } template<typename T> ostream &operator<<(ostream &os, set<T> &set_var) { repi(itr, set_var) { os << *itr << ' '; itr++; itr--; } return os; } void print() { cout << endl; } template<class Head, class... Tail> void print(Head &&head, Tail &&... tail) { cout << head; if (sizeof...(tail) != 0) cout << " "; print(forward<Tail>(tail)...); } template<class T> class SegTree_SUM { int n, sz; vector<T> node; public: SegTree_SUM(int size) { sz = size; n = 1; while (n < sz) n *= 2; node.resize(2 * n - 1); } void add(int place, T val) { place += n - 1; node[place] += val; while (place > 0) { place = (place - 1) / 2; node[place] = node[place * 2 + 1] + node[place * 2 + 2]; } } T getsum(int a, int b, int k = 0, int l = 0, int r = -1) { if (r < 0) r = n; if (r <= a || l >= b) return 0; if (a <= l && r <= b) return node[k]; T vl = getsum(a, b, 2 * k + 1, l, (l + r) / 2); T vr = getsum(a, b, 2 * k + 2, (l + r) / 2, r); return vl + vr; } }; signed main(void) { cin.tie(0); ios::sync_with_stdio(false); int n, q; cin>>n>>q; SegTree_SUM<int> seg(514514); rep(i, q) { int l, r; cin>>l>>r; for (int j = l; j <= r; ++j) { if(seg.getsum(j, j+1)) seg.add(j, -1); else seg.add(j, 1); } print(seg.getsum(0, 500010)); } }