Submission #997988

# Submission time Handle Problem Language Result Execution time Memory
997988 2024-06-13T07:33:17 Z binminh01 Examination (JOI19_examination) C++17
0 / 100
322 ms 29140 KB
#include<bits/allocator.h>
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,fma,bmi,bmi2,popcnt,lzcnt")

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long
#define int128 __int128_t
#define double long double
#define gcd __gcd
#define lcm(a, b) ((a)/gcd(a, b)*(b))
#define sqrt sqrtl
#define log2 log2l
#define log10 log10l
#define floor floorl
#define to_string str
#define yes cout << "YES"
#define no cout << "NO"
#define trav(i, a) for (auto &i: (a))
#define all(a) (a).begin(), (a).end()
#define rall(a) (a).rbegin(), (a).rend()
#define sz(a) (int)a.size()
#define Max(a) *max_element(all(a))
#define Min(a) *min_element(all(a))
#define Find(a, n) (find(all(a), n) - a.begin())
#define Count(a, n) count(all(a), n)
#define Upper(a, n) (upper_bound(all(a), n) - a.begin())
#define Lower(a, n) (lower_bound(all(a), n) - a.begin())
#define next_perm(a) next_permutation(all(a))
#define prev_perm(a) prev_permutation(all(a))
#define sorted(a) is_sorted(all(a))
#define sum(a) accumulate(all(a), 0)
#define sumll(a) accumulate(all(a), 0ll)
#define Sort(a) sort(all(a))
#define Reverse(a) reverse(all(a))
#define Unique(a) Sort(a), (a).resize(unique(all(a)) - a.begin())
#define pb push_back
#define eb emplace_back
#define popcount __builtin_popcount
#define popcountll __builtin_popcountll
#define clz __builtin_clz
#define clzll __builtin_clzll
#define ctz __builtin_ctz
#define ctzll __builtin_ctzll
#define open(s) freopen(s, "r", stdin)
#define write(s) freopen(s, "w", stdout)
#define fileopen(s) open((string(s) + ".inp").c_str()), write((string(s) + ".out").c_str());
#define For(i, a, b) for (auto i = (a); i < (b); i++)
#define Fore(i, a, b) for (auto i = (a); i >= (b); i--)
#define FOR(i, a, b) for (auto i = (a); i <= (b); i++)
#define ret(s) return void(cout << s);

const int mod = 1e9 + 7, mod2 = 998244353;
const double PI = acos(-1), eps = 1e-9;
const ull npos = string::npos;
const int dx[] = {0, 0, -1, 1}, dy[] = {-1, 1, 0, 0};
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using cd = complex<double>;
mt19937 mt(chrono::system_clock::now().time_since_epoch().count());
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef vector<double> vdo;
typedef vector<vdo> vvdo;
typedef vector<string> vs;
typedef vector<pii> vpair;
typedef vector<vpair> vvpair;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vector<char> vc;
typedef vector<vc> vvc;
typedef vector<cd> vcd;
typedef priority_queue<int> pq;
typedef priority_queue<int, vi, greater<int>> pqg;
typedef priority_queue<ll> pqll;
typedef priority_queue<ll, vll, greater<ll>> pqgll;

ll add(ll a, ll b, int m) {if (a >= m) a%=m;if (b >= m) b%=m;a+=b;return a >= m ? a - m: a;}
ll sub(ll a, ll b, int m) {if (a >= m) a%=m;if (b >= m) b%=m;a-=b;return a < 0 ? a + m: a;}
ll mul(ll a, ll b, int m) {if (a >= m) a%=m;if (b >= m) b%=m;return a*b % m;}
ll bin_mul(ll a, ll b, ll m) {if (a >= m) a%=m;if (b >= m) b%=m;ll x = 0;while (b) {if (b & 1) x = (x + a) % m;a = (a + a) % m;b>>=1;}return x;}
ll power(ll a, ll b, int m) {ll x = 1;if (a >= m) a%=m; while (b) {if (b & 1) x = x*a % m;a = a*a % m;b>>=1;}return x;}
ll power(ll a, ll b) {ll x = 1;while (b) {if (b & 1) x = x*a;a = a*a;b>>=1;}return x;}
ll ceil(ll a, ll b) {return (a + b - 1)/b;}
ll to_int(const string &s) {ll x = 0; for (int i = (s[0] == '-'); i < sz(s); i++) x = x*10 + s[i] - '0';return x*(s[0] == '-' ? -1: 1);}
bool is_prime(ll n) {if (n < 2) return 0;if (n < 4) return 1;if (n % 2 == 0 || n % 3 == 0) return 0;for (ll i = 5; i*i <= n; i+=6) {if(n % i == 0 || n % (i + 2) == 0) return 0;}return 1;}
bool is_square(ll n) {ll k = sqrt(n); return k*k == n;}
ll factorial(int n) {ll x = 1;for (int i = 2; i <= n; i++) x*=i;return x;}
ll factorial(int n, int m) {ll x = 1;for (ll i = 2; i <= n; i++) x = x*i % m;return x;}
bool is_power(ll n, ll k) {while (n % k == 0) n/=k;return n == 1ll;}
string str(ll n) {if (n == 0) return "0"; string s = ""; bool c = 0; if (n < 0) c = 1, n = -n; while (n) {s+=n % 10 + '0'; n/=10;} if (c) s+='-'; Reverse(s); return s;}
string repeat(const string &s, int n) {if (n < 0) return ""; string x = ""; while (n--) x+=s; return x;}
string bin(ll n) {string s = ""; while (n) {s+=(n & 1) + '0'; n>>=1;} Reverse(s); return s;}
void sieve(vector<bool> &a) {int n = a.size(); a[0] = a[1] = 0; for (int i = 4; i < n; i+=2) a[i] = 0; for (int i = 3; i*i < n; i+=2) {if (a[i]) {for (int j = i*i; j < n; j+=(i << 1)) a[j] = 0;}}}
void sieve(bool a[], int n) {a[0] = a[1] = 0; for (int i = 4; i < n; i+=2) a[i] = 0; for (int i = 3; i*i < n; i+=2) {if (a[i]) {for (int j = i*i; j < n; j+=(i << 1)) a[j] = 0;}}}
void sieve(vector<int> &a) {int n = a.size(); for (int i = 2; i < n; i+=2) a[i] = 2; for (int i = 3; i*i < n; i+=2) {if (!a[i]) {for (int j = i; j < n; j+=(i << 1)) a[j] = i;}} for (int i = 3; i < n; i+=2) {if (!a[i]) a[i] = i;}}
void sieve(int a[], int n) {for (int i = 2; i < n; i+=2) a[i] = 2; for (int i = 3; i*i < n; i+=2) {if (!a[i]) {for (int j = i; j < n; j+=(i << 1)) a[j] = i;}} for (int i = 3; i < n; i+=2) {if (!a[i]) a[i] = i;}}
vector<pii> factorize(int n) {vector<pii> a; for (int i = 2; i*i <= n; i++) {if (n % i == 0) {int k = 0; while (n % i == 0) k++, n/=i; a.emplace_back(i, k);}} if (n > 1) a.emplace_back(n, 1); return a;}
int rand(int l, int r) {return uniform_int_distribution<int>(l, r)(mt);}
int Log2(int n) {return 31 - __builtin_clz(n);}
template<class T> void compress(vector<T> &a) {vector<T> b; for (T &i: a) b.push_back(i); sort(all(b)); b.resize(unique(all(b)) - b.begin()); for (T &i: a) i = lower_bound(all(b), i) - b.begin() + 1;}

template<class A, class B> istream& operator>>(istream& in, pair<A, B> &p) {in >> p.first >> p.second; return in;}
template<class A, class B> ostream& operator<<(ostream& out, const pair<A, B> &p) {out << p.first << ' ' << p.second; return out;}
template<class T> istream& operator>>(istream& in, vector<T> &a) {for (auto &i: a) in >> i; return in;}
template<class T> ostream& operator<<(ostream& out, const vector<T> &a) {for (auto &i: a) out << i << ' '; return out;}
template<class T> istream& operator>>(istream& in, vector<vector<T>> &a) {for (auto &i: a) in >> i; return in;}
template<class T> ostream& operator<<(ostream& out, const vector<vector<T>> &a) {for (auto &i: a) out << i << '\n'; return out;}
template<class T> istream& operator>>(istream& in, deque<T> &a) {for (auto &i: a) in >> i; return in;}
template<class T> ostream& operator<<(ostream& out, const deque<T> &a) {for (auto &i: a) out << i << ' '; return out;}
// istream& operator>>(istream& in, __int128_t &a) {string s; in >> s; a = 0; for (auto &i: s) a = a*10 + (i - '0'); return in;}
// ostream& operator<<(ostream& out, __int128_t a) {string s = ""; while (a > 0) {s+=(int)a % 10 + '0'; a/=10;} Reverse(s); out << s; return out;}

template<class T>
struct BIT {
    int n;
    vector<T> bit;
    void init(int N) {
        n = N;
        bit.resize(n + 1);
    }
    void build(const vector<T> &a) {
        for (int i = 1; i <= n; i++) set(i, a[i]);
    }
    void set(int i, T v) {
        for (; i <= n; i+=i & (-i)) bit[i]+=v;
    }
    T get(int i) {
        T x = 0;
        for (; i; i-=i & (-i)) x+=bit[i];
        return x;
    }
    T get(int l, int r) {
        return get(r) - get(l - 1);
    }
};
BIT<int> b;
struct stu {
    int x, y, z, i;
    stu() {}
};
const int N = 2e5 + 5;
vector<stu> t[4*N];
int n, q, ans[N], pos[N];
stu a[N];
void cdq(int l, int r) {
    if (l == r) return;
    int m = (l + r) >> 1;
    cdq(l, m); cdq(m + 1, r);
    int i = 0, j = 0, s = 0;
    vi u;
    vector<stu> c(a + l, a + m + 1), d(a + m + 1, a + r + 1);
    // while (i <= m && j <= r) {
    //     if (a[i].y >= a[j].y) s++, b.set(pos[i], 1), u.pb(pos[i]);
    //     else ans[a[j].i]+=s - b.get(pos[j] - 1);
    // }
    sort(all(c), [](stu x, stu y){
        return x.y > y.y;
    });
    sort(all(d), [](stu x, stu y){
        return x.y > y.y;
    });
    // cout << l << ' ' << r << '\n';
    // trav(i,c) cout << vi{i.i,i.x,i.y,i.z} << '\n';
    // cout << '\n';
    // trav(i,d) cout << vi{i.i,i.x,i.y,i.z} << '\n';
    // cout << '\n';
    while (i < sz(c) && j < sz(d)) {
        if (c[i].y >= d[j].y) {
            if (c[i].i <= n) s++, b.set(pos[c[i].i], 1), u.pb(pos[c[i].i]);
            i++;
        } else {
            if (d[j].i > n) ans[d[j].i]+=s - b.get(pos[d[j].i] - 1);
            j++;
        }
    }
    while (j < sz(d)) {
        if (d[j].i > n) ans[d[j].i]+=s - b.get(pos[d[j].i] - 1);
        j++;
    }
    trav(i,u) b.set(i, -1);
    // cout << "ans: ";
    // FOR(i,1,n+q) cout << ans[i] << ' ';
    // cout << '\n';
    // FOR(i,l,r) a[i] = c[i - l];
    // if (l == 1 && r == 9) {
    //     FOR(i,l,r) cout << vi{a[i].i,a[i].x,a[i].y,a[i].z} << '\n';
    // }
}
int main() {
    // open("input.txt"); write("output.out");
    ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);
    cout << fixed << setprecision(10);
    cin >> n >> q;
    FOR(i,1,n) cin >> a[i].x >> a[i].y, a[i].z = a[i].x + a[i].y, a[i].i = i;
    FOR(i,n+1,n+q) cin >> a[i].x >> a[i].y >> a[i].z, a[i].i = i;
    sort(a + 1, a + n + q + 1, [](stu x, stu y){
        if (x.x != y.x) return x.x > y.x;
        if (x.y != y.y) return x.y > y.y;
        return x.z > y.z;
    });
    b.init(n + q + 5);
    vi com;
    FOR(i,1,n+q) com.pb(a[i].z);
    Unique(com);
    FOR(i,1,n+q) pos[a[i].i] = Lower(com, a[i].z) + 1;
    // FOR(i,1,n+q) cout << vi{a[i].i,a[i].x,a[i].y,a[i].z} << '\n';
    // cout << '\n';
    cdq(1, n + q);
    FOR(i,n+1,n+q) cout << ans[i] << '\n';
    cerr << "\nProcess returned 0 (0x0)   execution time :  " << 0.001*clock() << " s";
    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 6 ms 21596 KB Output is correct
2 Correct 5 ms 21592 KB Output is correct
3 Correct 5 ms 21740 KB Output is correct
4 Correct 5 ms 21724 KB Output is correct
5 Correct 5 ms 21596 KB Output is correct
6 Correct 5 ms 21596 KB Output is correct
7 Correct 11 ms 21852 KB Output is correct
8 Correct 12 ms 21916 KB Output is correct
9 Correct 11 ms 21920 KB Output is correct
10 Correct 11 ms 21852 KB Output is correct
11 Correct 11 ms 21916 KB Output is correct
12 Incorrect 11 ms 21852 KB Output isn't correct
13 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 322 ms 28992 KB Output is correct
2 Correct 303 ms 28992 KB Output is correct
3 Correct 302 ms 29044 KB Output is correct
4 Correct 225 ms 28996 KB Output is correct
5 Correct 245 ms 29140 KB Output is correct
6 Incorrect 149 ms 28996 KB Output isn't correct
7 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 322 ms 28992 KB Output is correct
2 Correct 303 ms 28992 KB Output is correct
3 Correct 302 ms 29044 KB Output is correct
4 Correct 225 ms 28996 KB Output is correct
5 Correct 245 ms 29140 KB Output is correct
6 Incorrect 149 ms 28996 KB Output isn't correct
7 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 6 ms 21596 KB Output is correct
2 Correct 5 ms 21592 KB Output is correct
3 Correct 5 ms 21740 KB Output is correct
4 Correct 5 ms 21724 KB Output is correct
5 Correct 5 ms 21596 KB Output is correct
6 Correct 5 ms 21596 KB Output is correct
7 Correct 11 ms 21852 KB Output is correct
8 Correct 12 ms 21916 KB Output is correct
9 Correct 11 ms 21920 KB Output is correct
10 Correct 11 ms 21852 KB Output is correct
11 Correct 11 ms 21916 KB Output is correct
12 Incorrect 11 ms 21852 KB Output isn't correct
13 Halted 0 ms 0 KB -