Submission #247504

#	Time	Username	Problem	Language	Result	Execution time	Memory
247504		xiryss	Sterilizing Spray (JOI15_sterilizing)	C++17	100 / 100	334 ms	7672 KiB

sterilizing

//#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")
#pragma GCC optimize("fast-math")
/*#pragma GCC optimize("section-anchors")
#pragma GCC optimize("profile-values,profile-reorder-functions,tracer")
#pragma GCC optimize("vpt")
#pragma GCC optimize("rename-registers")
#pragma GCC optimize("move-loop-invariants")
#pragma GCC optimize("unswitch-loops")
#pragma GCC optimize("function-sections")
#pragma GCC optimize("data-sections")
#pragma GCC optimize("branch-target-load-optimize")
#pragma GCC optimize("branch-target-load-optimize2")
#pragma GCC optimize("btr-bb-exclusive")*/
//#pragma comment(linker, "/STACK:367077216")
#define _CRT_SECURE_NO_WARNINGS
#include <chrono>
#include <set>
#include <map>
#include <deque>
#include <string>
#include <cstdint>
#include <cmath>
#include <queue>
#include <cassert>
#include <random>
#include <bitset>
#include <iomanip>
#include <numeric>
#include <time.h>//////////////
#include <ctime>
#include <string>
#include <cstdio>
#include <vector>
#include <cstdlib>
#include <iostream>
#include <algorithm>
#include <unordered_map>
#include <unordered_set>
//++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++
//#define endl '\n'
#define mp make_pair
#define pbc push_back
#define pob pop_back()
#define empb emplace_back
#define queuel queue<long long>
#define sqr(a) ((a) * (a))
#define sqrl(a) (ll(a)*ll(a))
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define pin(p) cin >> p.first >> p.second;
#define uniq(a) sort(all(a));(a).resize(unique(all(a)) - a.begin());
#define rev(v) reverse(v.begin(), v.end());
#define sout(s, c) for (auto i : s) cout << i << c;
#define pout(p) cout << p.first << " " << p.second;
#define er(v, l, r) erase(v.begin() + l, v.begin() + r);
#define vin(v) for (ll i = 0; i < v.size(); ++i) cin >> v[i];
#define vout(v, c) for (int i = 0; i < v.size(); ++i) cout << v[i] << c;
#define pushi(v, a) for (int i = 0; i < a.size(); ++i) v.push_back(a[i]);
#define fastio() ios_base::sync_with_stdio(0); cout.tie(0); cin.tie(0); srand(time(NULL))
#define dab(v) for(auto i:v)cout<<i<<' ';
#define sp system("pause")
//++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++
using namespace std;
//++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
//++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++--++
mt19937 rnd(time(0) + 228 + 'k' + 'e' + 'k' + 'e' + 'r' + 'o' + 'f' + 'e' + 'y');
const ld EPS = 1e-5;//(cos,-sin), (sin, cos)
bool checkprime(int x)
{
	for (int i = 2; i * i <= x; ++i) if (x % i == 0) return 0;
	return 1;
}
const ld PI = acos(-1);
const int MOD7 = 1000000007;
const int MOD9 = 1000000009;
const ll INF = 1e18;
int mod = MOD9;
const int inf = 1e9;
const int MAXN = 1e5 + 2;
int n, q, k;
struct node
{
	int mx;
	ll sum;
	node()
	{
		mx = 0, sum = 0;
	}
	node(int a, ll b)
	{
		mx = a, sum = b;
	}
};
vector<int> a;
node t[4 * MAXN];

void upd(int v, int l, int r, int ql, int qr)
{
	if (l >= qr || ql >= r) return;
	if (l == r - 1)
	{
		t[v].mx = t[v].mx / k;
		t[v].sum = t[v].sum / k;
		return;
	}
	if (!t[v].mx) return;
	if (k == 1)
	{
		return;
	}
	
	upd(2 * v + 1, l, (l + r) / 2, ql, qr);
	upd(2 * v + 2, (l + r) / 2, r, ql, qr);
	t[v].mx = max(t[2 * v + 1].mx, t[2 * v + 2].mx);
	t[v].sum = t[2 * v + 1].sum + t[2 * v + 2].sum;
}
void place(int v, int l, int r, int ql, int qr, int x)
{
	if (l >= qr || ql >= r) return;
	if (l >= ql && r <= qr)
	{
		t[v] = { x,x };
		return;
	}
	place(2 * v + 1, l, (l + r) / 2, ql, qr, x);
	place(2 * v + 2, (l + r) / 2, r, ql, qr, x);
	t[v].mx = max(t[2 * v + 1].mx, t[2 * v + 2].mx);
	t[v].sum = t[2 * v + 1].sum + t[2 * v + 2].sum;
}
ll get(int v, int l, int r, int ql, int qr)
{
	if (l >= qr || ql >= r) return 0;
	if (l >= ql && r <= qr) return t[v].sum;
	ll g1 = get(2 * v + 1, l, (l + r) / 2, ql, qr);
	ll g2 = get(2 * v + 2, (l + r) / 2, r, ql, qr);
	return g1 + g2;
}
signed main()
{
	fastio();
	cin >> n >> q >> k;
	a.resize(n);
	vin(a);
	for (int i = 0; i < n; ++i) place(0, 0, n, i, i + 1, a[i]);
	for (int i = 0; i < q; ++i)
	{
		int tp;
		cin >> tp;
		if (tp == 1)
		{
			int a, b;
			cin >> a >> b;
			place(0, 0, n, a - 1, a, b);
		}
		else if (tp == 2)
		{
			int l, r;
			cin >> l >> r;
			upd(0, 0, n, l - 1, r);
		}
		else
		{
			int l, r;
			cin >> l >> r;
			cout << get(0, 0, n, l - 1, r) << '\n';
		}
	}
	sp;
}

Compilation message (stderr)

sterilizing.cpp: In function 'int main()':
sterilizing.cpp:58:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define vin(v) for (ll i = 0; i < v.size(); ++i) cin >> v[i];
                               ~~^~~~~~~~~~
sterilizing.cpp:148:2: note: in expansion of macro 'vin'
  vin(a);
  ^~~
sterilizing.cpp:63:18: warning: ignoring return value of 'int system(const char*)', declared with attribute warn_unused_result [-Wunused-result]
 #define sp system("pause")
            ~~~~~~^~~~~~~~~
sterilizing.cpp:173:2: note: in expansion of macro 'sp'
  sp;
  ^~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 75 / 75