結果
問題 | No.1435 Mmm...... |
ユーザー | MMRZ |
提出日時 | 2024-06-02 00:52:36 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 191 ms / 2,000 ms |
コード長 | 4,844 bytes |
コンパイル時間 | 2,814 ms |
コンパイル使用メモリ | 251,828 KB |
実行使用メモリ | 9,432 KB |
最終ジャッジ日時 | 2024-06-02 00:52:45 |
合計ジャッジ時間 | 5,866 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 82 ms
9,412 KB |
testcase_07 | AC | 75 ms
9,344 KB |
testcase_08 | AC | 86 ms
9,376 KB |
testcase_09 | AC | 78 ms
9,360 KB |
testcase_10 | AC | 69 ms
9,332 KB |
testcase_11 | AC | 68 ms
9,200 KB |
testcase_12 | AC | 64 ms
9,320 KB |
testcase_13 | AC | 60 ms
9,424 KB |
testcase_14 | AC | 45 ms
6,944 KB |
testcase_15 | AC | 89 ms
9,412 KB |
testcase_16 | AC | 76 ms
9,196 KB |
testcase_17 | AC | 50 ms
6,940 KB |
testcase_18 | AC | 90 ms
9,320 KB |
testcase_19 | AC | 66 ms
9,268 KB |
testcase_20 | AC | 89 ms
9,196 KB |
testcase_21 | AC | 136 ms
9,360 KB |
testcase_22 | AC | 191 ms
9,380 KB |
testcase_23 | AC | 96 ms
9,432 KB |
testcase_24 | AC | 97 ms
9,328 KB |
testcase_25 | AC | 99 ms
9,396 KB |
testcase_26 | AC | 99 ms
9,260 KB |
testcase_27 | AC | 100 ms
9,260 KB |
ソースコード
#line 1 "cp_templates/template/template.hpp" # include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; const double pi = acos(-1); template<class T>constexpr T inf() { return ::std::numeric_limits<T>::max(); } template<class T>constexpr T hinf() { return inf<T>() / 2; } template <typename T_char>T_char TL(T_char cX) { return tolower(cX); } template <typename T_char>T_char TU(T_char cX) { return toupper(cX); } template<class T> bool chmin(T& a,T b) { if(a > b){a = b; return true;} return false; } template<class T> bool chmax(T& a,T b) { if(a < b){a = b; return true;} return false; } int popcnt(unsigned long long n) { int cnt = 0; for (int i = 0; i < 64; i++)if ((n >> i) & 1)cnt++; return cnt; } int d_sum(ll n) { int ret = 0; while (n > 0) { ret += n % 10; n /= 10; }return ret; } int d_cnt(ll n) { int ret = 0; while (n > 0) { ret++; n /= 10; }return ret; } ll gcd(ll a, ll b) { if (b == 0)return a; return gcd(b, a%b); }; ll lcm(ll a, ll b) { ll g = gcd(a, b); return a / g*b; }; ll MOD(ll x, ll m){return (x%m+m)%m; } ll FLOOR(ll x, ll m) {ll r = (x%m+m)%m; return (x-r)/m; } template<class T> using dijk = priority_queue<T, vector<T>, greater<T>>; # define all(qpqpq) (qpqpq).begin(),(qpqpq).end() # define UNIQUE(wpwpw) (wpwpw).erase(unique(all((wpwpw))),(wpwpw).end()) # define LOWER(epepe) transform(all((epepe)),(epepe).begin(),TL<char>) # define UPPER(rprpr) transform(all((rprpr)),(rprpr).begin(),TU<char>) # define rep(i,upupu) for(ll i = 0, i##_len = (upupu);(i) < (i##_len);(i)++) # define reps(i,opopo) for(ll i = 1, i##_len = (opopo);(i) <= (i##_len);(i)++) # define len(x) ((ll)(x).size()) # define bit(n) (1LL << (n)) # define pb push_back # define exists(c, e) ((c).find(e) != (c).end()) struct INIT{ INIT(){ std::ios::sync_with_stdio(false); std::cin.tie(0); cout << fixed << setprecision(20); } }INIT; namespace mmrz { void solve(); } int main(){ mmrz::solve(); } #line 1 "cp_templates/data_structure/segment_tree.hpp" template<typename T>struct segment_tree { using F = function<T(T, T)>; int offset; int n; vector<T> node; F combine; T identify; segment_tree(vector<T> v, F _combine, T _identify) : combine(_combine), identify(_identify) { n = (int)v.size(); offset = 1; while(offset < n)offset <<= 1; node.resize(2*offset, identify); for(int i = 0;i < n;i++)node[i + offset] = v[i]; for(int i = offset - 1;i >= 1;i--)node[i] = combine(node[2 * i + 0], node[2 * i + 1]); } segment_tree(int _n, F _combine, T _identify) : n(_n), combine(_combine), identify(_identify){ offset = 1; while(offset < _n)offset <<= 1; node.assign(2*offset, identify); } T operator[](int x) {return node[x + offset]; } void set(int x, T val){ x += offset; node[x] = val; while(x >>= 1){; node[x] = combine(node[2 * x + 0], node[2 * x + 1]); } } T fold(int a, int b){ T L = identify, R = identify; for(a += offset, b += offset; a < b;a >>= 1, b >>= 1){ if(a&1)L = combine(L, node[a++]); if(b&1)R = combine(node[--b], R); } return combine(L, R); } int max_right(const function<bool(T)> f, int l = 0){ if(l == n)return n; l += offset; T sum = identify; do{ while(l%2 == 0)l >>= 1; if(not f(combine(sum, node[l]))){ while(l < offset){ l <<= 1; if(f(combine(sum, node[l]))){ sum = combine(sum, node[l]); ++l; } } return l - offset; } sum = combine(sum, node[l]); ++l; }while((l&-l) != l); return n; } int min_left(const function<bool(T)> f, int r = -1){ if(r == 0)return 0; if(r == -1)r = n; r += offset; T sum = identify; do{ --r; while(r > 1 && (r % 2))r >>= 1; if(not f(combine(node[r], sum))){ while(r < offset){ r = r*2 + 1; if(f(combine(node[r], sum))){ sum = combine(node[r], sum); --r; } } return r+1 - offset; } sum = combine(node[r], sum); }while((r&-r) != r); return 0; } }; #line 3 "1435.cpp" using namespace mmrz; struct s{ int m1, m2, mx; s(int _m1, int _m2, int _mx) : m1(_m1), m2(_m2), mx(_mx) {} }; void SOLVE(){ int n; cin >> n; segment_tree<s> seg(n, [](s l, s r) -> s { int m1 = min(l.m1, r.m1); int m2 = min({max(l.m1, r.m1), l.m2, r.m2}); int mx = max(l.mx, r.mx); return s{m1, m2, mx}; }, s{hinf<int>(), hinf<int>(), -1}); rep(i, n){ int a; cin >> a; seg.set(i, s{a, hinf<int>(), a}); } ll ans = 0; auto check = [&](const s x) -> bool { return (x.m1 + x.m2 >= x.mx); }; rep(l, n){ int r = seg.max_right(check, l); ans += max<int>(0, r-l-1); } rep(r, n){ int l = seg.max_right(check, r+1); ans += max<int>(0, (r + 1) - l - 1); } cout << ans << endl; } void mmrz::solve(){ int t = 1; //cin >> t; while(t--)SOLVE(); }