Submission #824983

#	Time	Username	Problem	Language	Result	Execution time	Memory
824983		Tsovak	Cloud Computing (CEOI18_clo)	C++17	100 / 100	1783 ms	3916 KiB

clo

// -------------------- Includes -------------------- //
#define _CRT_SECURE_NO_WARNINGS
#define _USE_MATH_DEFINES
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <stdio.h>
#include <cstdlib>
#include <stdlib.h>
#include <array>
#include <string>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <math.h>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <vector>
#include <stack>
#include <queue>
#include <deque>
#include <bitset>
#include <list>
#include <iterator>
#include <numeric>
#include <complex>
#include <tuple>
#include <utility>
#include <cassert>
#include <assert.h>
#include <climits>
#include <limits.h>
#include <ctime>
#include <time.h>
#include <random>
#include <chrono>
#include <fstream>
using namespace std;
 
// -------------------- Typedefs -------------------- //
 
typedef long long ll;
typedef unsigned long long ull;
typedef double db;
typedef long double ld;
 
// -------------------- Defines -------------------- //
 
#define pr pair
#define mpr make_pair
#define ff first
#define ss second
 
#define mset multiset
#define mmap multimap
#define uset unordered_set
#define umap unordered_map
#define umset unordered_multiset
#define ummap unordered_multimap
#define pqueue priority_queue
 
#define sz(x) (int((x).size()))
#define len(x) (int((x).length()))
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define clr(x) (x).clear()
 
#define pf push_front
#define pb push_back
#define popf pop_front
#define popb pop_back
#define ft front
#define bk back
 
#define lb lower_bound
#define ub upper_bound
#define bs binary_search
 
// -------------------- Constants -------------------- //
 
const int MAX = int(1e9 + 5);
const ll MAXL = ll(1e18 + 5);
const ll MOD = ll(1e9 + 7);
const ll MOD2 = ll(998244353);
 
// -------------------- Functions -------------------- //
 
void fastio()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	return;
}
 
void precision(int x)
{
	cout.setf(ios::fixed | ios::showpoint);
	cout.precision(x);
	return;
}
 
ll gcd(ll a, ll b)
{
	while (b) {
		a %= b;
		swap(a, b);
	}
	return a;
}
 
ll lcm(ll a, ll b)
{
	return a / gcd(a, b) * b;
}
 
bool is_prime(ll a)
{
	if (a == 1) {
		return false;
	}
	for (ll i = 2; i * i <= a; i++) {
		if (a % i == 0) {
			return false;
		}
	}
	return true;
}
 
bool is_square(ll a)
{
	ll b = ll(sqrt(a));
	return (b * b == a);
}
 
bool is_cube(ll a)
{
	ll b = ll(cbrt(a));
	return (b * b * b == a);
}
 
int digit_sum(ll a)
{
	int sum = 0;
	while (a) {
		sum += int(a % 10);
		a /= 10;
	}
	return sum;
}
 
ll binpow(ll a, int b)
{
	ll ans = 1;
	while (b) {
		if ((b & 1) == 1) {
			ans *= a;
		}
		b >>= 1;
		a *= a;
	}
	return ans;
}
 
ll binpow_by_mod(ll a, ll b, ll mod)
{
	ll ans = 1;
	while (b) {
		if ((b & 1) == 1) {
			ans *= a;
			ans %= mod;
		}
		b >>= 1;
		a *= a;
		a %= mod;
	}
	return ans;
}
 
ll factorial(int a)
{
	ll ans = 1;
	for (int i = 2; i <= a; i++) {
		ans *= ll(i);
	}
	return ans;
}
 
ll factorial_by_mod(int a, ll mod)
{
	ll ans = 1;
	for (int i = 2; i <= a; i++) {
		ans *= ll(i);
		ans %= mod;
	}
	return ans;
}
 
// -------------------- Solution -------------------- //
 
struct comp
{
	int c, f;
	ll v;
};
 
const int N = 2005, M = 2005, MC = 55;
comp a[N], b[M];
int n, m, mc;
 
ll dp[2][M][MC][2];
 
bool cond(const comp& x, const comp& y)
{
	return x.f < y.f;
}
 
void maxu(ll& x, ll y)
{
	x = max(x, y);
}
 
void solve()
{
	int i, j;
	int k;
 
	cin >> n;
	for (i = 1; i <= n; i++) {
		cin >> a[i].c >> a[i].f >> a[i].v;
		mc = max(mc, a[i].c);
	}
	cin >> m;
	for (i = 1; i <= m; i++) {
		cin >> b[i].c >> b[i].f >> b[i].v;
		mc = max(mc, b[i].c);
	}
 
	sort(a + 1, a + n + 1, cond);
	sort(b + 1, b + m + 1, cond);
 
	for (i = 0; i <= 1; i++)
		for (j = 0; j <= m + 1; j++)
			for (k = 0; k <= mc + 1; k++)
				dp[i][j][k][0] = dp[i][j][k][1] = -MAXL;
 
	dp[0][0][0][0] = dp[0][0][0][1] = 0;
 
	int h = 0;
 
	for (i = 0; i <= n; i++) {
		for (j = 0; j <= m; j++) {
			if (i == n && j == m) continue;
 
			for (k = 0; k <= mc; k++) {
				maxu(dp[1 - h][j][k][0], dp[h][j][k][0]);
				maxu(dp[h][j + 1][b[j + 1].c][0], dp[h][j][k][0]);
				maxu(dp[h][j + 1][0][0], dp[h][j][k][0]);
				maxu(dp[h][j + 1][k][1], dp[h][j][k][1]);
				maxu(dp[1 - h][j][a[i + 1].c][1], dp[h][j][k][1] - a[i + 1].v);
				maxu(dp[1 - h][j][0][1], dp[h][j][k][1]);
 
				if (k == 0) continue;
 
				if (i < n && a[i + 1].f >= b[j].f) {
					if (a[i + 1].c >= k) {
						maxu(dp[1 - h][j][a[i + 1].c - k][1], dp[h][j][k][0] + b[j].v - a[i + 1].v);
					}
					if (a[i + 1].c <= k) {
						maxu(dp[1 - h][j][k - a[i + 1].c][0], dp[h][j][k][0] - a[i + 1].v + (a[i + 1].c == k ? b[j].v : 0));
					}
				}
 
				if (j < m && a[i].f >= b[j + 1].f) {
					if (k >= b[j + 1].c) {
						maxu(dp[h][j + 1][k - b[j + 1].c][1], dp[h][j][k][1] + b[j + 1].v);
					}
					if (k <= b[j + 1].c) {
						maxu(dp[h][j + 1][b[j + 1].c - k][0], dp[h][j][k][1] + (k == b[j + 1].c ? b[j + 1].v : 0));
					}
				}
			}
		}
 
		if (i < n) for (j = 0; j <= m + 1; j++) for (k = 0; k <= mc + 1; k++) dp[h][j][k][0] = dp[h][j][k][1] = -MAXL;
 
		h = 1 - h;
	}
 
	h = 1 - h;
 
	ll ans = dp[h][m][0][0];
 
	for (i = 0; i <= mc; i++) maxu(ans, dp[h][m][i][1]);
 
	cout << ans << "\n";
 
	return;
}
 
void precalc()
{
	return;
}
 
int main()
{
	fastio();
 
	precalc();
 
	int tests = 1, tc;
	//cin >> tests;
	for (tc = 1; tc <= tests; tc++) {
		solve();
	}
 
	//cout << db(clock()) / CLOCKS_PER_SEC << endl;
 
	return 0;
}
 
/*
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*/

• Subtask 1: 18 / 18
• Subtask 2: 18 / 18
• Subtask 3: 18 / 18
• Subtask 4: 18 / 18
• Subtask 5: 18 / 18
• Subtask 6: 10 / 10