oj.uz

Submission #765023

# Submission time Handle Problem Language Result Execution time Memory
765023 2023-06-24T07:40:33 Z minhcool Candies (JOI18_candies) C++17
100 / 100
 232 ms 19528 KB 
#define local
#ifndef local
#include ""
#endif
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;

#define int long long
#define fi first
#define se second
#define pb push_back
#define mp make_pair

typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;

const int N = 3e5 + 5;

const int oo = 1e18 + 7, mod = 1e9 + 7;

mt19937 rng(1);

int rnd(int l, int r){
	int temp = rng() % (r - l + 1);
	return abs(temp) + l;
}

int n, a[N];

vector<vector<int>> cal(int l, int r){// from left to right: (0,0), (0,1), (1,0), (1,1)
	if(l == r){
		vector<vector<int>> v;
		v.pb({0, 0});
		v.pb({0, 0});
		v.pb({0, 0});
		v.pb({0, a[l]});
		return v;
	}
	int mid = (l + r) >> 1;
	vector<vector<int>> cal1 = cal(l, mid), cal2 = cal(mid + 1, r);
	vector<vector<int>> ans;
	for(int i = 0; i <= 3; i++){
		vector<int> temp;
		temp.resize(r - l + 2);
		ans.pb(temp);
	}
	//int want = (l + r + 1) >> 1;
	for(int le = 0; le < 2; le++){
		for(int ri = 0; ri < 2; ri++){
			for(int mile = 0; mile < 2; mile++){
				for(int miri = 0; miri < 2; miri++){
					if(mile & miri) continue;
					int cur_opt = 0;
					int temp1 = (mid - l + 1 - (1 - le) - (1 - mile) + 1) / 2, temp2 = (r - mid - (1 - ri) - (1 - miri) + 1) / 2;  
				//	cout << temp1 << " " << temp2 << "\n";
					for(int tol = 0; tol <= temp1 + temp2; tol++){
						while(tol - cur_opt > temp2) cur_opt++;
						while(cur_opt < min(temp1, tol)){
				//			cout << cur_opt << "\n";
							int val1 = cal1[(le << 1) | mile][cur_opt] + cal2[(miri << 1) | ri][tol - cur_opt];
							int val2 = cal1[(le << 1) | mile][cur_opt + 1] + cal2[(miri << 1) | ri][tol - cur_opt - 1];
						//	cout << val1 << " " << val2 << "\n";
							if(val1 < val2) cur_opt++;
							else break;
						}
					//	cout << le << " " << ri << " " << mile << " " << miri << " " << tol << " " << cur_opt << " " << cal1[(le << 1) | mile][cur_opt] + cal2[(miri << 1) | ri][tol - cur_opt] << "\n";
						ans[(le << 1) | ri][tol] = max(ans[(le << 1) | ri][tol], cal1[(le << 1) | mile][cur_opt] + cal2[(miri << 1) | ri][tol - cur_opt]);
					}
				}
			}
		}
	}
	//cout << l << " " << r << "\n";
	for(int i = 0; i < 4; i++){
	//	cout << "OK ";
	//	for(int j = 0; j < ans[i].size(); j++) cout << ans[i][j] << " ";
	//	cout << "\n";
	}
	return ans;
}

#ifdef local
void process(){
	cin >> n;
	for(int i = 1; i <= n; i++) cin >> a[i];
	vector<vector<int>> v = cal(1, n);
	for(int i = 1; i <= (n + 1)/2; i++) cout << max({v[0][i], v[1][i], v[2][i], v[3][i]}) << "\n"; 
}

signed main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	process();
}
#endif

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 468 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 472 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 3 ms 464 KB Output is correct
14 Correct 2 ms 476 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 2 ms 604 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 2 ms 468 KB Output is correct

Subtask #2
92.0 / 92.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 468 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 472 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 3 ms 464 KB Output is correct
14 Correct 2 ms 476 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 2 ms 604 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 2 ms 468 KB Output is correct
21 Correct 223 ms 19420 KB Output is correct
22 Correct 218 ms 19376 KB Output is correct
23 Correct 220 ms 19412 KB Output is correct
24 Correct 186 ms 19392 KB Output is correct
25 Correct 180 ms 19328 KB Output is correct
26 Correct 207 ms 19236 KB Output is correct
27 Correct 183 ms 19496 KB Output is correct
28 Correct 191 ms 19408 KB Output is correct
29 Correct 186 ms 19464 KB Output is correct
30 Correct 198 ms 19400 KB Output is correct
31 Correct 186 ms 19480 KB Output is correct
32 Correct 207 ms 19516 KB Output is correct
33 Correct 196 ms 19256 KB Output is correct
34 Correct 199 ms 19264 KB Output is correct
35 Correct 230 ms 19276 KB Output is correct
36 Correct 224 ms 19400 KB Output is correct
37 Correct 232 ms 19492 KB Output is correct
38 Correct 216 ms 19388 KB Output is correct
39 Correct 179 ms 19224 KB Output is correct
40 Correct 191 ms 19220 KB Output is correct
41 Correct 179 ms 19272 KB Output is correct
42 Correct 185 ms 19448 KB Output is correct
43 Correct 207 ms 19484 KB Output is correct
44 Correct 187 ms 19524 KB Output is correct
45 Correct 185 ms 19528 KB Output is correct
46 Correct 184 ms 19496 KB Output is correct
47 Correct 188 ms 19504 KB Output is correct
48 Correct 195 ms 19268 KB Output is correct
49 Correct 221 ms 19328 KB Output is correct
50 Correct 198 ms 19180 KB Output is correct