답안 #682441

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
682441	2023-01-16T08:54:29 Z	iskhakkutbilim	Bootfall (IZhO17_bootfall)	C++14	28 / 100	916 ms	668 KB

bootfall

#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 =2*500 * 500;
int dp[S+1];
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];
	}
	dp[0] = 1;
	for(int i = 0;i < n; i++){
		for(int s = sum/2; s >= 0; s--){
			if(s >= a[i]){
				dp[s] = max(dp[s], dp[s-a[i]]);
			}
		}
	}
	if((even > 0 and odd > 0) or sum%2 or !dp[sum/2]){
		cout << 0;
		return 0;
	}
	set<int> can;
	for(int tima = 1; tima <= 10000; tima++){
		sum+= tima;
		int ok = 1;
		for(int i = 0;i < a.size(); i++){
			if((sum-a[i])%2==1){
				ok = 0;
				break;
			}
		}
		if(ok) can.insert(tima);
		sum-= tima;
	}
	for(int i = 0;i < n; i++){
		for(int s = sum; s >= 1; s--) dp[s] = 0;
		for(int j = 0;j < n; 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]]);
			}
		}
		vector<int> del;
		for(int tima : can){
			if(!dp[(sum-a[i]+tima) / 2]) del.push_back(tima);
		}
		for(int x : del) can.erase(x);
	}
	cout << can.size() << '\n';
	for(int x : can) cout << x << ' ';
	return 0;
}

Compilation message

bootfall.cpp:11:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   11 | main(){
      | ^~~~
bootfall.cpp: In function 'int main()':
bootfall.cpp:37:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |   for(int i = 0;i < a.size(); i++){
      |                 ~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	1 ms	596 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	596 KB	Output is correct
5	Correct	2 ms	596 KB	Output is correct
6	Correct	1 ms	468 KB	Output is correct
7	Correct	1 ms	596 KB	Output is correct
8	Correct	2 ms	596 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	1 ms	596 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	596 KB	Output is correct
5	Correct	2 ms	596 KB	Output is correct
6	Correct	1 ms	468 KB	Output is correct
7	Correct	1 ms	596 KB	Output is correct
8	Correct	2 ms	596 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	2 ms	596 KB	Output is correct
11	Correct	2 ms	468 KB	Output is correct
12	Correct	2 ms	468 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	2 ms	620 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	468 KB	Output is correct
19	Correct	2 ms	596 KB	Output is correct
20	Correct	3 ms	468 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	1 ms	596 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	596 KB	Output is correct
5	Correct	2 ms	596 KB	Output is correct
6	Correct	1 ms	468 KB	Output is correct
7	Correct	1 ms	596 KB	Output is correct
8	Correct	2 ms	596 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	2 ms	596 KB	Output is correct
11	Correct	2 ms	468 KB	Output is correct
12	Correct	2 ms	468 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	2 ms	620 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	468 KB	Output is correct
19	Correct	2 ms	596 KB	Output is correct
20	Correct	3 ms	468 KB	Output is correct
21	Correct	17 ms	584 KB	Output is correct
22	Correct	24 ms	564 KB	Output is correct
23	Correct	9 ms	468 KB	Output is correct
24	Correct	51 ms	576 KB	Output is correct
25	Correct	94 ms	668 KB	Output is correct
26	Correct	114 ms	580 KB	Output is correct
27	Correct	104 ms	596 KB	Output is correct
28	Correct	113 ms	596 KB	Output is correct
29	Correct	123 ms	596 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	88 ms	568 KB	Output is correct
32	Correct	60 ms	468 KB	Output is correct
33	Correct	115 ms	596 KB	Output is correct
34	Correct	144 ms	624 KB	Output is correct
35	Correct	121 ms	596 KB	Output is correct
36	Correct	56 ms	468 KB	Output is correct

Subtask #4
0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	1 ms	596 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	596 KB	Output is correct
5	Correct	2 ms	596 KB	Output is correct
6	Correct	1 ms	468 KB	Output is correct
7	Correct	1 ms	596 KB	Output is correct
8	Correct	2 ms	596 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	2 ms	596 KB	Output is correct
11	Correct	2 ms	468 KB	Output is correct
12	Correct	2 ms	468 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	2 ms	620 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	468 KB	Output is correct
19	Correct	2 ms	596 KB	Output is correct
20	Correct	3 ms	468 KB	Output is correct
21	Correct	17 ms	584 KB	Output is correct
22	Correct	24 ms	564 KB	Output is correct
23	Correct	9 ms	468 KB	Output is correct
24	Correct	51 ms	576 KB	Output is correct
25	Correct	94 ms	668 KB	Output is correct
26	Correct	114 ms	580 KB	Output is correct
27	Correct	104 ms	596 KB	Output is correct
28	Correct	113 ms	596 KB	Output is correct
29	Correct	123 ms	596 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	88 ms	568 KB	Output is correct
32	Correct	60 ms	468 KB	Output is correct
33	Correct	115 ms	596 KB	Output is correct
34	Correct	144 ms	624 KB	Output is correct
35	Correct	121 ms	596 KB	Output is correct
36	Correct	56 ms	468 KB	Output is correct
37	Incorrect	916 ms	604 KB	Output isn't correct
38	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	1 ms	596 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	596 KB	Output is correct
5	Correct	2 ms	596 KB	Output is correct
6	Correct	1 ms	468 KB	Output is correct
7	Correct	1 ms	596 KB	Output is correct
8	Correct	2 ms	596 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	2 ms	596 KB	Output is correct
11	Correct	2 ms	468 KB	Output is correct
12	Correct	2 ms	468 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	2 ms	620 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	468 KB	Output is correct
19	Correct	2 ms	596 KB	Output is correct
20	Correct	3 ms	468 KB	Output is correct
21	Correct	17 ms	584 KB	Output is correct
22	Correct	24 ms	564 KB	Output is correct
23	Correct	9 ms	468 KB	Output is correct
24	Correct	51 ms	576 KB	Output is correct
25	Correct	94 ms	668 KB	Output is correct
26	Correct	114 ms	580 KB	Output is correct
27	Correct	104 ms	596 KB	Output is correct
28	Correct	113 ms	596 KB	Output is correct
29	Correct	123 ms	596 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	88 ms	568 KB	Output is correct
32	Correct	60 ms	468 KB	Output is correct
33	Correct	115 ms	596 KB	Output is correct
34	Correct	144 ms	624 KB	Output is correct
35	Correct	121 ms	596 KB	Output is correct
36	Correct	56 ms	468 KB	Output is correct
37	Incorrect	916 ms	604 KB	Output isn't correct
38	Halted	0 ms	0 KB	-

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	1 ms	596 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	596 KB	Output is correct
5	Correct	2 ms	596 KB	Output is correct
6	Correct	1 ms	468 KB	Output is correct
7	Correct	1 ms	596 KB	Output is correct
8	Correct	2 ms	596 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	2 ms	596 KB	Output is correct
11	Correct	2 ms	468 KB	Output is correct
12	Correct	2 ms	468 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	2 ms	620 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	468 KB	Output is correct
19	Correct	2 ms	596 KB	Output is correct
20	Correct	3 ms	468 KB	Output is correct
21	Correct	17 ms	584 KB	Output is correct
22	Correct	24 ms	564 KB	Output is correct
23	Correct	9 ms	468 KB	Output is correct
24	Correct	51 ms	576 KB	Output is correct
25	Correct	94 ms	668 KB	Output is correct
26	Correct	114 ms	580 KB	Output is correct
27	Correct	104 ms	596 KB	Output is correct
28	Correct	113 ms	596 KB	Output is correct
29	Correct	123 ms	596 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	88 ms	568 KB	Output is correct
32	Correct	60 ms	468 KB	Output is correct
33	Correct	115 ms	596 KB	Output is correct
34	Correct	144 ms	624 KB	Output is correct
35	Correct	121 ms	596 KB	Output is correct
36	Correct	56 ms	468 KB	Output is correct
37	Incorrect	916 ms	604 KB	Output isn't correct
38	Halted	0 ms	0 KB	-

답안 #682441

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 0 / 16.0

Subtask #5 0 / 21.0

Subtask #6 0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
0 / 16.0

Subtask #5
0 / 21.0

Subtask #6
0 / 35.0