oj.uz

Submission #502009

# Submission time Handle Problem Language Result Execution time Memory
502009 2022-01-05T05:54:03 Z syrtin Bootfall (IZhO17_bootfall) C++17
13 / 100
 1000 ms 720 KB 
#include <bits/stdc++.h>
#define pb push_back
#define all(v) v.begin(),v.end()
#define ff first
#define ss second
using namespace std;
typedef long long ll;
typedef pair<long long, long long> pll;
typedef pair < int, int > pii;
typedef vector<int> vi;
typedef vector<long long> vll;
const int N = 250000 + 1;
const ll mod = 1e9 + 7;
void solve(){
	int n;
	cin >> n;
	int a[n], x = 0;
	bitset<N> can;
	for(int i = 0; i < n; i++) {
		cin >> a[i];
		x += a[i];
	}
	map<int, bool> hv;
	hv[0] = 1;
	for(int j = 0; j < n; j++) {
		vi ev;
		for(auto o : hv) {
			ev.pb(o.ff + a[j]);
		}
		for(auto o : ev)hv[o] = 1;
	}
	if(x % 2 || hv.find(x / 2) == hv.end()) {
		cout << "0";
		return;
	}
	for(int i = 1; i < N; i++) can[i] = 1;
	for(int i = 0; i < n; i++) {
		hv.clear();
		x = 0;
		hv[0] = 1;
		for(int j = 0; j < n; j++) {
			if(j == i)continue;
			vi ev;
			for(auto o : hv) {
				ev.pb(o.ff + a[j]);
			}
			for(auto o : ev)hv[o] = 1;
			x += a[j];
		}
		for(int p = can._Find_first(); p != can.size(); p = can._Find_next(p)) {
			if((x + p) % 2)can[p] = 0;
			else if(hv.find((x + p) / 2) == hv.end() && hv.find((x + p) / 2 - p) == hv.end()) can[p] = 0;
		}
	}
	cout << can.count() << '\n';
		for(int p = can._Find_first(); p != can.size(); p = can._Find_next(p)) {
			cout << p << ' ';
		}	
}
int main() {
    //freopen("input.txt", "r", stdin);
	//freopen("output.txt", "w", stdout);
	ios_base::sync_with_stdio(false);
	cin.tie(0);
    int times = 1;
	//cin >> times;
    while(times--)solve();
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 336 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 3 ms 332 KB Output is correct
5 Correct 6 ms 340 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 4 ms 332 KB Output is correct
8 Correct 6 ms 460 KB Output is correct
9 Correct 5 ms 340 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 336 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 3 ms 332 KB Output is correct
5 Correct 6 ms 340 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 4 ms 332 KB Output is correct
8 Correct 6 ms 460 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 4 ms 332 KB Output is correct
11 Correct 8 ms 336 KB Output is correct
12 Correct 7 ms 464 KB Output is correct
13 Correct 6 ms 356 KB Output is correct
14 Correct 8 ms 332 KB Output is correct
15 Correct 6 ms 348 KB Output is correct
16 Correct 7 ms 332 KB Output is correct
17 Correct 5 ms 336 KB Output is correct
18 Correct 6 ms 332 KB Output is correct
19 Correct 6 ms 332 KB Output is correct
20 Correct 3 ms 332 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 336 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 3 ms 332 KB Output is correct
5 Correct 6 ms 340 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 4 ms 332 KB Output is correct
8 Correct 6 ms 460 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 4 ms 332 KB Output is correct
11 Correct 8 ms 336 KB Output is correct
12 Correct 7 ms 464 KB Output is correct
13 Correct 6 ms 356 KB Output is correct
14 Correct 8 ms 332 KB Output is correct
15 Correct 6 ms 348 KB Output is correct
16 Correct 7 ms 332 KB Output is correct
17 Correct 5 ms 336 KB Output is correct
18 Correct 6 ms 332 KB Output is correct
19 Correct 6 ms 332 KB Output is correct
20 Correct 3 ms 332 KB Output is correct
21 Correct 303 ms 512 KB Output is correct
22 Correct 509 ms 516 KB Output is correct
23 Correct 143 ms 480 KB Output is correct
24 Correct 920 ms 616 KB Output is correct
25 Execution timed out 1084 ms 720 KB Time limit exceeded
26 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 336 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 3 ms 332 KB Output is correct
5 Correct 6 ms 340 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 4 ms 332 KB Output is correct
8 Correct 6 ms 460 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 4 ms 332 KB Output is correct
11 Correct 8 ms 336 KB Output is correct
12 Correct 7 ms 464 KB Output is correct
13 Correct 6 ms 356 KB Output is correct
14 Correct 8 ms 332 KB Output is correct
15 Correct 6 ms 348 KB Output is correct
16 Correct 7 ms 332 KB Output is correct
17 Correct 5 ms 336 KB Output is correct
18 Correct 6 ms 332 KB Output is correct
19 Correct 6 ms 332 KB Output is correct
20 Correct 3 ms 332 KB Output is correct
21 Correct 303 ms 512 KB Output is correct
22 Correct 509 ms 516 KB Output is correct
23 Correct 143 ms 480 KB Output is correct
24 Correct 920 ms 616 KB Output is correct
25 Execution timed out 1084 ms 720 KB Time limit exceeded
26 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 336 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 3 ms 332 KB Output is correct
5 Correct 6 ms 340 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 4 ms 332 KB Output is correct
8 Correct 6 ms 460 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 4 ms 332 KB Output is correct
11 Correct 8 ms 336 KB Output is correct
12 Correct 7 ms 464 KB Output is correct
13 Correct 6 ms 356 KB Output is correct
14 Correct 8 ms 332 KB Output is correct
15 Correct 6 ms 348 KB Output is correct
16 Correct 7 ms 332 KB Output is correct
17 Correct 5 ms 336 KB Output is correct
18 Correct 6 ms 332 KB Output is correct
19 Correct 6 ms 332 KB Output is correct
20 Correct 3 ms 332 KB Output is correct
21 Correct 303 ms 512 KB Output is correct
22 Correct 509 ms 516 KB Output is correct
23 Correct 143 ms 480 KB Output is correct
24 Correct 920 ms 616 KB Output is correct
25 Execution timed out 1084 ms 720 KB Time limit exceeded
26 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 336 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 3 ms 332 KB Output is correct
5 Correct 6 ms 340 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 4 ms 332 KB Output is correct
8 Correct 6 ms 460 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 4 ms 332 KB Output is correct
11 Correct 8 ms 336 KB Output is correct
12 Correct 7 ms 464 KB Output is correct
13 Correct 6 ms 356 KB Output is correct
14 Correct 8 ms 332 KB Output is correct
15 Correct 6 ms 348 KB Output is correct
16 Correct 7 ms 332 KB Output is correct
17 Correct 5 ms 336 KB Output is correct
18 Correct 6 ms 332 KB Output is correct
19 Correct 6 ms 332 KB Output is correct
20 Correct 3 ms 332 KB Output is correct
21 Correct 303 ms 512 KB Output is correct
22 Correct 509 ms 516 KB Output is correct
23 Correct 143 ms 480 KB Output is correct
24 Correct 920 ms 616 KB Output is correct
25 Execution timed out 1084 ms 720 KB Time limit exceeded
26 Halted 0 ms 0 KB -