Submission #497929

#	Time	Username	Problem	Language	Result	Execution time	Memory
497929		xynex	Meteors (POI11_met)	C++17	0 / 100	711 ms	48804 KiB

met

/*
* Author: xynex
* Created: 24.12.2021 09:51
* Why am I so stupid? :c
* Slishkom slab
*/

#include <bits/stdc++.h>

// #pragma GCC optimize("inline")
// #pragma GCC optimize("-fgcse,-fgcse-lm")
// #pragma GCC optimize("-ftree-pre,-ftree-vrp")
// #pragma GCC optimize("-ffast-math")
// #pragma GCC optimize("-fipa-sra")
// #pragma GCC optimize("-fpeephole2")
// #pragma GCC optimize("-fsched-spec")
// #pragma GCC optimize("Ofast,no-stack-protector")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
// #pragma GCC optimize("unroll-loops")

using namespace std;

#define ll long long
#define dl double long
#define ull unsigned long long
#define pr pair
#define vt vector
#define ff first
#define ss second
#define mp make_pair
#define sz(a) (int)a.size()
#define pb push_back
#define pf push_front
#define popB pop_back
#define popF pop_front
#define bit_count __builtin_popcount
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define sp(x) fixed << setprecision(x)

template<typename T> T get_rand(T l, T r) {
    random_device rd;
    mt19937 gen(rd());
    return uniform_int_distribution<T>(l, r)(gen);
}

template<typename T> T lcm(T a, T b) { return a * (b / __gcd(a, b)); }

template<class A> void read(vt<A>& v);
template<class A, size_t S> void read(array<A, S>& a);
template<class T> void read(T& x) { cin >> x; }
void read(double& d) { string t; read(t); d = stod(t); }
void read(long double& d) { string t; read(t); d = stold(t); }
template<class H, class... T> void read(H& h, T&... t) { read(h); read(t...); }
template<class A> void read(vt<A>& x) { for (auto& a : x) read(a); }
template<class A, size_t S> void read(array<A, S>& x) { for (auto& a : x) read(a); }

string to_string(char c) { return string(1, c); }
string to_string(bool b) { return b ? "true" : "false"; }
string to_string(const char* s) { return string(s); }
string to_string(string s) { return s; }
string to_string(vt<bool> v) { string res; for (int i = 0; i < sz(v); ++i) res += char('0' + v[i]); return res; }
template<size_t S> string to_string(bitset<S> b) { string res; for (int i = 0; i < S; ++i) res += char('0' + b[i]); return res; }
template<class T> string to_string(T v) { bool f = 1; string res; for (auto x : v) { if (!f) res += ' '; f = 0; res += to_string(x); } return res; }

template<class A> void write(A x) { cout << to_string(x); }
template<class H, class... T> void write(const H& h, const T&... t) { write(h); write(t...); }

void print() { write("\n"); }
template<class H, class... T> void print(const H& h, const T&... t) { write(h); if (sizeof...(t)) write(' '); print(t...); }

void freop(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}

const int MOD = 1e9 + 7;
const int N = 3e5 + 5;
const ll INF = 9e18;
const int M = 3e3 + 5;
const dl pi = acos(-1);
const dl eps = 1e-12;
const int sq = 700;

int dx[] = {-1, 0, 1, 0};
int dy[] = {0, -1, 0, 1};
/* ll vs int*/

void precalc() {

}

int n, m, q;
vt<ll> whr[N];
ll need[N], x[N], y[N], ind[N], sum[2 * N], ans[N], pos, a[N];
void upd(int l, int r, ll ind, int tl = 1, int tr = N, int v = 1) {
    l += N, r += N;
    sum[l] += ind;
    if(l != r) sum[r] += ind;
    while((r - l) > 1) {
        if(l % 2 == 0) sum[l + 1] += ind;
        if(r % 2 == 1) sum[r - 1] += ind;
        l /= 2;
        r /= 2;
    }
}
ll get(int pos) {
    ll res = 0;
    for(int i = N + pos; i >= 1; i /= 2) res += sum[i];
    return res;
}
void upd(int pos, ll val) {
    ll num = ind[pos] * val;
   // print(num, x[pos], y[pos]);
    if(x[pos] > y[pos]) upd(x[pos], m, num), upd(1, y[pos], num);
    else upd(x[pos], y[pos], num);
}
void go(int l, int r, vt<ll> peop) {
    if(peop.empty()) return;
    //print(l, r, peop);
    int mid = (l + r) >> 1;
    if(pos < mid) {
        while(pos < mid) {
            upd(++pos, 1);
        }
    }
    else {
        while(pos > mid) {
            upd(pos--, -1);
        }
    }
    vt<ll> L, R;
    for(auto p : peop) {
        ll cnt = 0;
        for(auto tut : whr[p]) {
            cnt += get(tut);
            if(cnt >= need[p]) {
                break;
            }
        }
        if(cnt < need[p]) R.pb(p);
        else {
            L.pb(p);
            ans[p] = r;
        }
    }
    peop.clear();
    if(l < r) {
        go(l, mid, L);
        go(mid + 1, r, R);
    }
}
void solve() {
    read(n, m);
    for(int i = 1; i <= m; ++i) {
        read(a[i]);
        whr[a[i]].pb(i);
    }
    for(int i = 1; i <= n; ++i) {
        read(need[i]);
    }
    read(q);
    for(int i = 1; i <= q; ++i) {
        read(x[i], y[i], ind[i]);
    }
    vt<ll> peop;
    for(int i = 1; i <= n; ++i) peop.pb(i);
    go(1, q, peop);
    for(int i = 1; i <= q; ++i) {
        if(!ans[i]) print("NIE");
        else print(ans[i]);
    }
}

int main() {
    //freop("");
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int t = 1;
    //read(t);
    precalc();
    for (int i = 1; i <= t; ++i) {
        //write("Case #" + to_string(i) + ": ");
        solve();
    }
    return 0;
}

Compilation message (stderr)

met.cpp: In function 'void freop(std::string)':
met.cpp:73:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   73 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
met.cpp:74:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   74 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 12
• Subtask 2: 0 / 12
• Subtask 3: 0 / 12
• Subtask 4: 0 / 12
• Subtask 5: 0 / 13
• Subtask 6: 0 / 13
• Subtask 7: 0 / 13
• Subtask 8: 0 / 13