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Submission #682394

# Submission time Handle Problem Language Result Execution time Memory
682394 2023-01-16T07:58:42 Z iskhakkutbilim Bootfall (IZhO17_bootfall) C++14
13 / 100
 1000 ms 340 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ff first
#define ss second
#define all(a) a.begin(), a.end()
const int N = 500;
const int S = 500 * 500;
main(){
	int n; cin >> n;
	vector<int> a(n);
	int sum = 0, even = 0, odd = 0;
	for(int i = 0;i < n; i++){
		cin >> a[i];
		odd+= (a[i]%2==1);
		even+= (a[i]%2==0);
		sum+= a[i];
	}
	if(even > 0 and odd > 0){
		cout << 0;
		return 0;
	}
	if(sum%2==1){
		cout << 0;
		return 0;
	}
	vector<int> answer;
	for(int tima = 1; tima <= 1000; tima++){
		sum+= tima;
		a.push_back(tima);
		int ok = 1;
		for(int i = 0;i < a.size(); i++){
			if((sum - a[i])%2==1){
				ok = 0; 
				break;
			}
			vector<int> dp(sum+1, 0);
			dp[0] = 1;
			for(int j = 0; j < a.size(); j++){
				if(i == j) continue;
				for(int s = sum; s >= 0; s--){
					if(s >= a[j]){
						dp[s] = max(dp[s], dp[s-a[j]]);
					}
				}
			}
			if(dp[(sum - a[i]) / 2] == 0){
				ok = 0;
				break;
			}
		}
		if(ok){
			answer.push_back(tima);
		}
		sum-= tima;
		a.pop_back();
	}
	cout << answer.size() << '\n';
	for(int x : answer) cout << x << ' ';
	return 0;
}

Compilation message

bootfall.cpp:10:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   10 | main(){
      | ^~~~
bootfall.cpp: In function 'int main()':
bootfall.cpp:33:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |   for(int i = 0;i < a.size(); i++){
      |                 ~~^~~~~~~~~~
bootfall.cpp:40:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |    for(int j = 0; j < a.size(); j++){
      |                   ~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 3 ms 316 KB Output is correct
5 Correct 40 ms 212 KB Output is correct
6 Correct 4 ms 212 KB Output is correct
7 Correct 3 ms 296 KB Output is correct
8 Correct 62 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 3 ms 316 KB Output is correct
5 Correct 40 ms 212 KB Output is correct
6 Correct 4 ms 212 KB Output is correct
7 Correct 3 ms 296 KB Output is correct
8 Correct 62 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 35 ms 340 KB Output is correct
11 Correct 53 ms 296 KB Output is correct
12 Correct 15 ms 308 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 59 ms 292 KB Output is correct
15 Correct 36 ms 288 KB Output is correct
16 Correct 50 ms 300 KB Output is correct
17 Correct 14 ms 212 KB Output is correct
18 Correct 41 ms 300 KB Output is correct
19 Correct 26 ms 212 KB Output is correct
20 Correct 28 ms 296 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 3 ms 316 KB Output is correct
5 Correct 40 ms 212 KB Output is correct
6 Correct 4 ms 212 KB Output is correct
7 Correct 3 ms 296 KB Output is correct
8 Correct 62 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 35 ms 340 KB Output is correct
11 Correct 53 ms 296 KB Output is correct
12 Correct 15 ms 308 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 59 ms 292 KB Output is correct
15 Correct 36 ms 288 KB Output is correct
16 Correct 50 ms 300 KB Output is correct
17 Correct 14 ms 212 KB Output is correct
18 Correct 41 ms 300 KB Output is correct
19 Correct 26 ms 212 KB Output is correct
20 Correct 28 ms 296 KB Output is correct
21 Execution timed out 1090 ms 212 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 3 ms 316 KB Output is correct
5 Correct 40 ms 212 KB Output is correct
6 Correct 4 ms 212 KB Output is correct
7 Correct 3 ms 296 KB Output is correct
8 Correct 62 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 35 ms 340 KB Output is correct
11 Correct 53 ms 296 KB Output is correct
12 Correct 15 ms 308 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 59 ms 292 KB Output is correct
15 Correct 36 ms 288 KB Output is correct
16 Correct 50 ms 300 KB Output is correct
17 Correct 14 ms 212 KB Output is correct
18 Correct 41 ms 300 KB Output is correct
19 Correct 26 ms 212 KB Output is correct
20 Correct 28 ms 296 KB Output is correct
21 Execution timed out 1090 ms 212 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 3 ms 316 KB Output is correct
5 Correct 40 ms 212 KB Output is correct
6 Correct 4 ms 212 KB Output is correct
7 Correct 3 ms 296 KB Output is correct
8 Correct 62 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 35 ms 340 KB Output is correct
11 Correct 53 ms 296 KB Output is correct
12 Correct 15 ms 308 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 59 ms 292 KB Output is correct
15 Correct 36 ms 288 KB Output is correct
16 Correct 50 ms 300 KB Output is correct
17 Correct 14 ms 212 KB Output is correct
18 Correct 41 ms 300 KB Output is correct
19 Correct 26 ms 212 KB Output is correct
20 Correct 28 ms 296 KB Output is correct
21 Execution timed out 1090 ms 212 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 3 ms 316 KB Output is correct
5 Correct 40 ms 212 KB Output is correct
6 Correct 4 ms 212 KB Output is correct
7 Correct 3 ms 296 KB Output is correct
8 Correct 62 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 35 ms 340 KB Output is correct
11 Correct 53 ms 296 KB Output is correct
12 Correct 15 ms 308 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 59 ms 292 KB Output is correct
15 Correct 36 ms 288 KB Output is correct
16 Correct 50 ms 300 KB Output is correct
17 Correct 14 ms 212 KB Output is correct
18 Correct 41 ms 300 KB Output is correct
19 Correct 26 ms 212 KB Output is correct
20 Correct 28 ms 296 KB Output is correct
21 Execution timed out 1090 ms 212 KB Time limit exceeded
22 Halted 0 ms 0 KB -