/ SeriousOJ /

Record Detail

Accepted


  
# Status Time Cost Memory Cost
#1 Accepted 1ms 532.0 KiB
#2 Accepted 2ms 576.0 KiB
#3 Accepted 255ms 1.129 MiB
#4 Accepted 266ms 4.723 MiB
#5 Accepted 493ms 22.031 MiB
#6 Accepted 495ms 22.109 MiB
#7 Accepted 494ms 22.16 MiB
#8 Accepted 481ms 21.926 MiB
#9 Accepted 919ms 22.945 MiB
#10 Accepted 949ms 42.594 MiB
#11 Accepted 543ms 1.246 MiB

Code

//████████╗██╗███╗░░██╗  ██╗░░░░░███████╗
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//░░░╚═╝░░░╚═╝╚═╝░░╚══╝  ╚══════╝╚══════╝
//   __________________
//  | ________________ |
//  ||          ____  ||
//  ||   /\    |      ||
//  ||  /__\   |      ||
//  || /    \  |____  ||
//  ||________________||
//  |__________________|
//  \###################\
//   \###################\
//    \        ____       \
//     \_______\___\_______\
// An AC a day keeps the doctor away.

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;
template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#define vt vector
#define all(x) begin(x), end(x)
#define allr(x) rbegin(x), rend(x)
#define ub upper_bound
#define lb lower_bound
#define db double
#define ld long db
#define ll int64_t
#define pll pair<ll, ll>    
#define vll vt<ll>  
#define vpll vt<pll>
#define vc vt<char> 
#define vvc vt<vc>
#define vi vt<int>
#define vvi vt<vi>
#define vvvi vt<vvi>
#define pii pair<int, int>
#define vpii vt<pii>
#define vs vt<string>
#define vvs vt<vs>
#define vb vt<bool>
#define vvb vt<vb>
#define vvpii vt<vpii>
#define vd vt<db>
#define ar(x) array<int, x>
#define var(x) vt<ar(x)>
#define pq priority_queue
#define mset(m, v) memset(m, v, sizeof(m))
#define pb push_back
#define ff first
#define ss second
#define sv string_view
#define MP make_pair
#define MT make_tuple
#define rsz resize
#define sum(x) accumulate(all(x), 0LL)
#define srt(x) sort(all(x))
#define srtR(x) sort(allr(x))
#define srtU(x) sort(all(x)), (x).erase(unique(all(x)), (x).end())
#define SORTED(x) is_sorted(all(x))
#define rev(x) reverse(all(x))
#define gcd(a, b) __gcd(a, b)
#define lcm(a, b) (a * b) / gcd(a, b)
#define MAX(a) *max_element(all(a)) 
#define MIN(a) *min_element(all(a))

//SGT DEFINE
#define lc i * 2 + 1
#define rc i * 2 + 2
#define lp lc, left, middle
#define rp rc, middle + 1, right
#define entireTree 0, 0, n - 1
#define midPoint left + (right - left) / 2
#define pushDown push(i, left, right)
#define iterator int i, int left, int right

#define IOS ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
    
//FW TREE   
#define goUp id += (id & -id)   
#define goDown id -= (id & -id)

struct custom {
    static const uint64_t C = 0x9e3779b97f4a7c15; const uint32_t RANDOM = std::chrono::steady_clock::now().time_since_epoch().count();
    size_t operator()(uint64_t x) const { return __builtin_bswap64((x ^ RANDOM) * C); }
    size_t operator()(const std::string& s) const { size_t hash = std::hash<std::string>{}(s); return hash ^ RANDOM; } };
template <class K, class V> using umap = std::unordered_map<K, V, custom>; template <class K> using uset = std::unordered_set<K, custom>;
    
template<typename T1, typename T2>
std::ostream& operator<<(std::ostream& o, const std::pair<T1, T2>& p) { return o << "{" << p.ff << " , " << p.ss << "}"; }
auto operator<<(auto &o, const auto &x) -> decltype(end(x), o) {
    o << "{"; int i = 0; for (const auto &e : x) { if (i++) o << " , "; o << e; } return o << "}";
}
    
template <typename T1, typename T2>  istream &operator>>(istream& in, pair<T1, T2>& input) {    return in >> input.ff >> input.ss; }
    
template <typename T> istream &operator>>(istream &in, vector<T> &v) { for (auto &el : v) in >> el; return in; }
    
template<typename K, typename V>
auto operator<<(std::ostream &o, const std::map<K, V> &m) -> std::ostream& {
    o << "{"; int i = 0;
    for (const auto &[key, value] : m) { if (i++) o << " , "; o << key << " : " << value; }
    return o << "}";
}
    
template<typename T> vt<T> uniqued(vt<T> arr) {  srtU(arr); return arr; }

#ifdef LOCAL
#define debug(x...) debug_out(#x, x)
void debug_out(const char* names) { std::cerr << std::endl; }
template <typename T, typename... Args>
void debug_out(const char* names, T value, Args... args) {
    const char* comma = strchr(names, ',');
    std::cerr << "[" << (comma ? std::string(names, comma) : names) << " = " << value << "]";
    if (sizeof...(args)) { std::cerr << ", "; debug_out(comma + 1, args...); }   
    else { std::cerr << std::endl; }
}
#define startClock clock_t tStart = clock();
#define endClock std::cout << std::fixed << std::setprecision(10) << "\nTime Taken: " << (double)(clock() - tStart) / CLOCKS_PER_SEC << " seconds" << std::endl;
#else
#define debug(...)
#define startClock
#define endClock

#endif
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

#define eps 1e-9
#define M_PI 3.14159265358979323846
const static ll INF = 1LL << 60;
const static int inf = 1e9 + 33;
const static int MK = 20;
const static int MX = 2e5 + 5;
const static int MOD = 1e9 + 7;
const static string YES = "YES\n";  
const static string yes = "Yes\n";  
const static string NO = "NO\n";    
const static string no = "No\n";
int pct(int x) { return __builtin_popcountll(x); }
const vvi dirs = {{-1, 0}, {1, 0}, {0, -1}, {0, 1}, {1, 1}, {-1, -1}, {1, -1}, {-1, 1}}; // UP, DOWN, LEFT, RIGHT
const vpii dirs_3_3 = { 
        {0,1}, {0,3},
        {1,0}, {1,2}, {1,4},
        {2,1}, {2,5},
        {3,0}, {3,4}, {3,6},
        {4,1}, {4,3}, {4,5}, {4,7},
        {5,2}, {5,4}, {5,8},
        {6,3}, {6,7},
        {7,4}, {7,6}, {7,8},
        {8,5}, {8,7}
};
int modExpo(int base, int exp, int mod) { int res = 1; base %= mod; while(exp) { if(exp & 1) res = (res * base) % mod; base = (base * base) % mod; exp >>= 1; } return res; }
void multiply(int f[2][2], int m[2][2]) {   
    int res[2][2] = {}; 
    for(int i = 0; i < 2; i++)  {   for(int j = 0; j < 2; j++)  {   for(int k = 0; k < 2; k++)  {   res[i][j] = (res[i][j] + f[i][k] * m[k][j]) % MOD; }   }   }   
    for(int i = 0; i < 2; i++)  {   for(int j = 0; j < 2; j++) f[i][j] = res[i][j]; }   }
int fib(int n)  {       if(n == 0) return 0;        if(n == 1) return 1;    
    int f[2][2] = {{1, 1}, {1, 0}}; int res[2][2] = {{1, 0}, {0, 1}};       
    while(n)    {   if(n & 1) multiply(res, f); multiply(f, f); n >>= 1;    }   return res[0][1] % MOD; }   
vi primes;  
bitset<MX> primeBits;
void generatePrime() {  primeBits.set(2);   
    for(int i = 3; i < MX; i += 2) primeBits.set(i);
    for(int i = 3; i * i < MX; i += 2) {    if(primeBits[i]) {  for(int j = i; j * i < MX; j += 2) {    primeBits.reset(i * j); } } }
    for(int i = 0; i < MX; i++ ) {  if(primeBits[i]) {  primes.pb(i); } }   
}

int T[MX], root[MX * 4 * MK], m, ptr;   
pii child[MX * 4 * MK];
    
void update(int pre, int curr, int left, int right, int id, int val) {  
    root[curr] = root[pre]; 
    child[curr] = child[pre];   
    if(left == right) { 
        root[curr] += val;  
        return;
    }
    int middle = midPoint;
    if(id <= middle) {  
        child[curr].ff = ++ptr;
        update(child[pre].ff, child[curr].ff, left, middle, id, val);
    }
    else {  
        child[curr].ss = ++ptr; 
        update(child[pre].ss, child[curr].ss, middle + 1, right, id, val);
    }
    root[curr] = root[child[curr].ff] + root[child[curr].ss];
};
    
int queries(int pre, int curr, int left, int right, int start, int end) {   
    if(left >= start && right <= end) return root[curr] - root[pre];
    if(left > end || start > right) return 0;   
    int middle = midPoint;  
    return queries(child[pre].ff, child[curr].ff, left, middle, start, end) + queries(child[pre].ss, child[curr].ss, middle + 1, right, start, end);
};

void solve() {
    for(int i = 0; i <= ptr; i++) {  
        root[i] = 0;    
        child[i] = {0, 0};
    }
    ptr = 0;
    int n; cin >> n;    
    vi a(n); cin >> a;
    vi t(a); srtU(t);   
    m = t.size();
    umap<int, int> mp;  
    for(int i = 0; i < m; i++) mp[t[i]] = i + 1;
    for(auto& it : a) it = mp[it];
    for(int i = 1; i <= n; i++) {   
        T[i] = ++ptr;   
        update(T[i - 1], T[i], 0, m, a[i - 1], 1);
    }
    int q; cin >> q;    
    while(q--) {    
        int l, r, x; cin >> l >> x >> r;
        ll less1 = queries(T[l - 1], T[x], 0, m, 0, a[x - 1] - 1);
        ll greater1 = queries(T[l - 1], T[x], 0, m, a[x - 1] + 1, m);  
        ll less2 = queries(T[x], T[r], 0, m, 0, a[x - 1] - 1);
        ll greater2 = queries(T[x], T[r], 0, m, a[x - 1] + 1, m);
        debug(less1, less2, greater1, greater2);
        cout << less1 * greater2 + less2 * greater1 << endl;
    }
    
}

signed main() {
    IOS;
    startClock
    //generatePrime();

    int t = 1;
    cin >> t;
    for(int i = 1; i <= t; i++) {   
        //cout << "Case #" << i << ": ";  
        solve();
    }

    //endClock
    return 0;
}

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Information

Submit By
Type
Submission
Problem
P1082 Roy and Query (Hard Version)
Language
C++17 (G++ 13.2.0)
Submit At
2024-10-03 23:37:30
Judged At
2024-11-11 02:43:47
Judged By
Score
100
Total Time
949ms
Peak Memory
42.594 MiB