oj.uz

Submission #950692

# Submission time Handle Problem Language Result Execution time Memory
950692 2024-03-20T15:19:22 Z WonderfulWhale Candies (JOI18_candies) C++17
8 / 100
 5000 ms 200168 KB 
#include<bits/stdc++.h>
using namespace std;

#define int int64_t
#define pb push_back
#define pii pair<int, int>
#define st first
#define nd second
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()

ostream& operator<<(ostream &os, vector<auto> v) {
	os << "{";
	for(int i=0;i<sz(v);i++) {
		os << v[i];
		if(i!=sz(v)-1) os << ", ";
	}
	os << "}";
	return os;
}

vector<int> V[1<<19][4];
int tab[200009];
const int INF = 1e18;

vector<int> f(vector<int> a, vector<int> b) {
	vector<int> ret(2*sz(a)-1, -INF);
	for(int i=0;i<sz(a);i++) {
		for(int j=0;j<sz(b);j++) {
			ret[i+j] = max(ret[i+j], a[i]+b[j]);
		}
	}
	// cerr << a << " + " << b << " = " << ret << "\n";
	return ret;
}

int32_t main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	
	int n;
	cin >> n;
	int N = 1;
	while(N<n) N*=2;
	// cerr << N << "\n";
	for(int i=0;i<n;i++) {
		cin >> tab[i];
	}
	for(int i=N;i<2*N;i++) {
		for(int j=0;j<4;j++) {
			V[i][j].resize(2);
			fill(all(V[i][j]), -INF);
		}
		if(i-N<n) {
			// cerr << "here\n";
			V[i][3][1] = tab[i-N];
		}
		V[i][0][0] = 0;
	}
	for(int i=N-1;i;i--) {
		for(int j=0;j<4;j++) {
			V[i][j].resize(2*sz(V[2*i][j])-1);
			fill(all(V[i][j]), -INF);
		}
		for(int j=0;j<4;j++) {
			for(int k=0;k<4;k++) {
				if((j&1)&&(k&2)) continue;
				int type = (j&2)+(k&1);
				vector<int> v = f(V[i*2][j], V[i*2+1][k]); 
				for(int a=0;a<sz(v);a++) {
					V[i][type][a] = max(V[i][type][a], v[a]);
				}
			}
		}
		// cerr << "now: "<< i << ": ";
		// for(int j=0;j<4;j++) {
		// 	cerr << V[i][j] << "\n";
		// }
	}
	for(int i=1;i<=(n+1)/2;i++) {
		int ans = 0;
		for(int j=0;j<4;j++) {
			ans = max(ans, V[1][j][i]);
		}
		cout << ans << "\n";
	}
}

Compilation message

candies.cpp:12:41: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   12 | ostream& operator<<(ostream &os, vector<auto> v) {
      |                                         ^~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 52060 KB Output is correct
2 Correct 35 ms 52060 KB Output is correct
3 Correct 34 ms 52060 KB Output is correct
4 Correct 40 ms 52124 KB Output is correct
5 Correct 35 ms 52056 KB Output is correct
6 Correct 34 ms 52064 KB Output is correct
7 Correct 34 ms 52056 KB Output is correct
8 Correct 35 ms 52100 KB Output is correct
9 Correct 34 ms 52056 KB Output is correct
10 Correct 35 ms 52056 KB Output is correct
11 Correct 37 ms 52128 KB Output is correct
12 Correct 34 ms 52056 KB Output is correct
13 Correct 38 ms 52108 KB Output is correct
14 Correct 35 ms 52232 KB Output is correct
15 Correct 34 ms 52060 KB Output is correct
16 Correct 40 ms 52316 KB Output is correct
17 Correct 34 ms 52056 KB Output is correct
18 Correct 34 ms 52060 KB Output is correct
19 Correct 39 ms 52064 KB Output is correct
20 Correct 35 ms 52144 KB Output is correct

Subtask #2
0 / 92.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 52060 KB Output is correct
2 Correct 35 ms 52060 KB Output is correct
3 Correct 34 ms 52060 KB Output is correct
4 Correct 40 ms 52124 KB Output is correct
5 Correct 35 ms 52056 KB Output is correct
6 Correct 34 ms 52064 KB Output is correct
7 Correct 34 ms 52056 KB Output is correct
8 Correct 35 ms 52100 KB Output is correct
9 Correct 34 ms 52056 KB Output is correct
10 Correct 35 ms 52056 KB Output is correct
11 Correct 37 ms 52128 KB Output is correct
12 Correct 34 ms 52056 KB Output is correct
13 Correct 38 ms 52108 KB Output is correct
14 Correct 35 ms 52232 KB Output is correct
15 Correct 34 ms 52060 KB Output is correct
16 Correct 40 ms 52316 KB Output is correct
17 Correct 34 ms 52056 KB Output is correct
18 Correct 34 ms 52060 KB Output is correct
19 Correct 39 ms 52064 KB Output is correct
20 Correct 35 ms 52144 KB Output is correct
21 Execution timed out 5016 ms 200168 KB Time limit exceeded
22 Halted 0 ms 0 KB -