답안 #682476

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
682476	2023-01-16T09:20:10 Z	iskhakkutbilim	Bootfall (IZhO17_bootfall)	C++14	100 / 100	792 ms	7768 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; s >= a[i]; s--){
			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 <= sum; 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 = a[i]; s <= sum; s++){
			dp[s]-= dp[s - a[i]];
		}
		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);
		for(int s = sum; s >= a[i]; s--) dp[s]+= dp[s-a[i]];
	}
	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:35:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |   for(int i = 0;i < a.size(); i++){
      |                 ~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	340 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	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	2 ms	340 KB	Output is correct
22	Correct	2 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	3 ms	340 KB	Output is correct
25	Correct	5 ms	468 KB	Output is correct
26	Correct	6 ms	468 KB	Output is correct
27	Correct	5 ms	568 KB	Output is correct
28	Correct	5 ms	468 KB	Output is correct
29	Correct	5 ms	596 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	5 ms	468 KB	Output is correct
32	Correct	3 ms	340 KB	Output is correct
33	Correct	5 ms	596 KB	Output is correct
34	Correct	4 ms	596 KB	Output is correct
35	Correct	5 ms	596 KB	Output is correct
36	Correct	3 ms	340 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	2 ms	340 KB	Output is correct
22	Correct	2 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	3 ms	340 KB	Output is correct
25	Correct	5 ms	468 KB	Output is correct
26	Correct	6 ms	468 KB	Output is correct
27	Correct	5 ms	568 KB	Output is correct
28	Correct	5 ms	468 KB	Output is correct
29	Correct	5 ms	596 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	5 ms	468 KB	Output is correct
32	Correct	3 ms	340 KB	Output is correct
33	Correct	5 ms	596 KB	Output is correct
34	Correct	4 ms	596 KB	Output is correct
35	Correct	5 ms	596 KB	Output is correct
36	Correct	3 ms	340 KB	Output is correct
37	Correct	26 ms	836 KB	Output is correct
38	Correct	28 ms	844 KB	Output is correct
39	Correct	53 ms	2204 KB	Output is correct
40	Correct	51 ms	1228 KB	Output is correct
41	Correct	66 ms	2636 KB	Output is correct
42	Correct	51 ms	1124 KB	Output is correct
43	Correct	76 ms	1944 KB	Output is correct
44	Correct	92 ms	2092 KB	Output is correct
45	Correct	98 ms	1928 KB	Output is correct
46	Correct	30 ms	1216 KB	Output is correct
47	Correct	57 ms	1184 KB	Output is correct
48	Correct	85 ms	2032 KB	Output is correct
49	Correct	60 ms	2132 KB	Output is correct
50	Correct	54 ms	1228 KB	Output is correct
51	Correct	7 ms	468 KB	Output is correct
52	Correct	101 ms	2376 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	2 ms	340 KB	Output is correct
22	Correct	2 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	3 ms	340 KB	Output is correct
25	Correct	5 ms	468 KB	Output is correct
26	Correct	6 ms	468 KB	Output is correct
27	Correct	5 ms	568 KB	Output is correct
28	Correct	5 ms	468 KB	Output is correct
29	Correct	5 ms	596 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	5 ms	468 KB	Output is correct
32	Correct	3 ms	340 KB	Output is correct
33	Correct	5 ms	596 KB	Output is correct
34	Correct	4 ms	596 KB	Output is correct
35	Correct	5 ms	596 KB	Output is correct
36	Correct	3 ms	340 KB	Output is correct
37	Correct	26 ms	836 KB	Output is correct
38	Correct	28 ms	844 KB	Output is correct
39	Correct	53 ms	2204 KB	Output is correct
40	Correct	51 ms	1228 KB	Output is correct
41	Correct	66 ms	2636 KB	Output is correct
42	Correct	51 ms	1124 KB	Output is correct
43	Correct	76 ms	1944 KB	Output is correct
44	Correct	92 ms	2092 KB	Output is correct
45	Correct	98 ms	1928 KB	Output is correct
46	Correct	30 ms	1216 KB	Output is correct
47	Correct	57 ms	1184 KB	Output is correct
48	Correct	85 ms	2032 KB	Output is correct
49	Correct	60 ms	2132 KB	Output is correct
50	Correct	54 ms	1228 KB	Output is correct
51	Correct	7 ms	468 KB	Output is correct
52	Correct	101 ms	2376 KB	Output is correct
53	Correct	78 ms	1552 KB	Output is correct
54	Correct	109 ms	1940 KB	Output is correct
55	Correct	210 ms	3640 KB	Output is correct
56	Correct	101 ms	1968 KB	Output is correct
57	Correct	219 ms	3764 KB	Output is correct
58	Correct	122 ms	2100 KB	Output is correct
59	Correct	153 ms	2524 KB	Output is correct
60	Correct	17 ms	544 KB	Output is correct
61	Correct	171 ms	2768 KB	Output is correct
62	Correct	180 ms	3280 KB	Output is correct
63	Correct	197 ms	3412 KB	Output is correct
64	Correct	202 ms	3404 KB	Output is correct
65	Correct	55 ms	1732 KB	Output is correct
66	Correct	71 ms	1940 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	2 ms	340 KB	Output is correct
22	Correct	2 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	3 ms	340 KB	Output is correct
25	Correct	5 ms	468 KB	Output is correct
26	Correct	6 ms	468 KB	Output is correct
27	Correct	5 ms	568 KB	Output is correct
28	Correct	5 ms	468 KB	Output is correct
29	Correct	5 ms	596 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	5 ms	468 KB	Output is correct
32	Correct	3 ms	340 KB	Output is correct
33	Correct	5 ms	596 KB	Output is correct
34	Correct	4 ms	596 KB	Output is correct
35	Correct	5 ms	596 KB	Output is correct
36	Correct	3 ms	340 KB	Output is correct
37	Correct	26 ms	836 KB	Output is correct
38	Correct	28 ms	844 KB	Output is correct
39	Correct	53 ms	2204 KB	Output is correct
40	Correct	51 ms	1228 KB	Output is correct
41	Correct	66 ms	2636 KB	Output is correct
42	Correct	51 ms	1124 KB	Output is correct
43	Correct	76 ms	1944 KB	Output is correct
44	Correct	92 ms	2092 KB	Output is correct
45	Correct	98 ms	1928 KB	Output is correct
46	Correct	30 ms	1216 KB	Output is correct
47	Correct	57 ms	1184 KB	Output is correct
48	Correct	85 ms	2032 KB	Output is correct
49	Correct	60 ms	2132 KB	Output is correct
50	Correct	54 ms	1228 KB	Output is correct
51	Correct	7 ms	468 KB	Output is correct
52	Correct	101 ms	2376 KB	Output is correct
53	Correct	78 ms	1552 KB	Output is correct
54	Correct	109 ms	1940 KB	Output is correct
55	Correct	210 ms	3640 KB	Output is correct
56	Correct	101 ms	1968 KB	Output is correct
57	Correct	219 ms	3764 KB	Output is correct
58	Correct	122 ms	2100 KB	Output is correct
59	Correct	153 ms	2524 KB	Output is correct
60	Correct	17 ms	544 KB	Output is correct
61	Correct	171 ms	2768 KB	Output is correct
62	Correct	180 ms	3280 KB	Output is correct
63	Correct	197 ms	3412 KB	Output is correct
64	Correct	202 ms	3404 KB	Output is correct
65	Correct	55 ms	1732 KB	Output is correct
66	Correct	71 ms	1940 KB	Output is correct
67	Correct	189 ms	2696 KB	Output is correct
68	Correct	47 ms	724 KB	Output is correct
69	Correct	629 ms	6872 KB	Output is correct
70	Correct	374 ms	4192 KB	Output is correct
71	Correct	366 ms	3944 KB	Output is correct
72	Correct	48 ms	724 KB	Output is correct
73	Correct	50 ms	692 KB	Output is correct
74	Correct	792 ms	7092 KB	Output is correct
75	Correct	500 ms	5576 KB	Output is correct
76	Correct	704 ms	7768 KB	Output is correct
77	Correct	708 ms	7500 KB	Output is correct

답안 #682476

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 21.0 / 21.0

Subtask #6 35.0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
21.0 / 21.0

Subtask #6
35.0 / 35.0