oj.uz

Submission #91295

# Submission time Handle Problem Language Result Execution time Memory
91295 2018-12-27T03:59:49 Z Atashka01 Bootfall (IZhO17_bootfall) C++11
100 / 100
 740 ms 5080 KB 
//Euzibillahiminesseytanirracim Bismillahirrahmanirrahim

/*
ID:
TASK:
LANG: C++
*/

#include <bits/stdc++.h>
#define pb push_back
#define ll long long
#define ff first
#define ss second
#define mp make_pair
#define PII pair<int,int>
#define inf 1000000001
using namespace std;

const int N = 250505;

int n, a[501], dp[N], d[N], k[N];

vector<int>v;

int main()
{
	
	cin>>n;
	
	int jem = 0;
	
	for(int i=1;i<=n;i++) {
		
		cin>>a[i];
		jem += a[i];
		
	}
	
	dp[0] = 1;
	
	for(int i=1;i<=n;i++){
		
		for(int j=N;j>=0;j--) dp[j + a[i]] += dp[j];
		
	}
	
	if(jem % 2 != 0 || dp[jem / 2] == 0) return cout<<"0", 0;
	
	for(int i=1;i<=n;i++){
		
		int ans = jem - a[i];
		
		memset(d , 0 , sizeof(d));
		
		for(int j=0;j<=N;j++){
			
			d[j] += dp[j];
			d[j + a[i]] -= d[j];
			
		}
		
		for(int j=0;j<=N;j++){
			
			if( (ans + j) % 2 == 0 && ans - j >= 0 && ( d[(ans - j) / 2] != 0) ){
				
				k[j]++;
				if(k[j] == n) v.pb(j);
				
			}
			
		}
		
	}
	
	cout<<v.size()<<"\n";
	for(auto x:v) cout<<x<<" ";
	
}

/*
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*/

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:57:9: warning: iteration 250505 invokes undefined behavior [-Waggressive-loop-optimizations]
    d[j] += dp[j];
    ~~~~~^~~~~~~~
bootfall.cpp:55:16: note: within this loop
   for(int j=0;j<=N;j++){
               ~^~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 2424 KB Output is correct
2 Correct 13 ms 2432 KB Output is correct
3 Correct 3 ms 2432 KB Output is correct
4 Correct 11 ms 2432 KB Output is correct
5 Correct 24 ms 2448 KB Output is correct
6 Correct 17 ms 2532 KB Output is correct
7 Correct 14 ms 2532 KB Output is correct
8 Correct 27 ms 2628 KB Output is correct
9 Correct 21 ms 2628 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 2424 KB Output is correct
2 Correct 13 ms 2432 KB Output is correct
3 Correct 3 ms 2432 KB Output is correct
4 Correct 11 ms 2432 KB Output is correct
5 Correct 24 ms 2448 KB Output is correct
6 Correct 17 ms 2532 KB Output is correct
7 Correct 14 ms 2532 KB Output is correct
8 Correct 27 ms 2628 KB Output is correct
9 Correct 21 ms 2628 KB Output is correct
10 Correct 59 ms 2628 KB Output is correct
11 Correct 57 ms 2628 KB Output is correct
12 Correct 53 ms 2628 KB Output is correct
13 Correct 52 ms 2628 KB Output is correct
14 Correct 57 ms 2628 KB Output is correct
15 Correct 60 ms 2628 KB Output is correct
16 Correct 63 ms 2644 KB Output is correct
17 Correct 38 ms 2644 KB Output is correct
18 Correct 43 ms 2644 KB Output is correct
19 Correct 50 ms 2660 KB Output is correct
20 Correct 60 ms 2664 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 2424 KB Output is correct
2 Correct 13 ms 2432 KB Output is correct
3 Correct 3 ms 2432 KB Output is correct
4 Correct 11 ms 2432 KB Output is correct
5 Correct 24 ms 2448 KB Output is correct
6 Correct 17 ms 2532 KB Output is correct
7 Correct 14 ms 2532 KB Output is correct
8 Correct 27 ms 2628 KB Output is correct
9 Correct 21 ms 2628 KB Output is correct
10 Correct 59 ms 2628 KB Output is correct
11 Correct 57 ms 2628 KB Output is correct
12 Correct 53 ms 2628 KB Output is correct
13 Correct 52 ms 2628 KB Output is correct
14 Correct 57 ms 2628 KB Output is correct
15 Correct 60 ms 2628 KB Output is correct
16 Correct 63 ms 2644 KB Output is correct
17 Correct 38 ms 2644 KB Output is correct
18 Correct 43 ms 2644 KB Output is correct
19 Correct 50 ms 2660 KB Output is correct
20 Correct 60 ms 2664 KB Output is correct
21 Correct 124 ms 2756 KB Output is correct
22 Correct 145 ms 2760 KB Output is correct
23 Correct 98 ms 2760 KB Output is correct
24 Correct 165 ms 2760 KB Output is correct
25 Correct 175 ms 2820 KB Output is correct
26 Correct 198 ms 2820 KB Output is correct
27 Correct 188 ms 2820 KB Output is correct
28 Correct 169 ms 2832 KB Output is correct
29 Correct 190 ms 2836 KB Output is correct
30 Correct 190 ms 2836 KB Output is correct
31 Correct 175 ms 2836 KB Output is correct
32 Correct 181 ms 2836 KB Output is correct
33 Correct 195 ms 2836 KB Output is correct
34 Correct 195 ms 2852 KB Output is correct
35 Correct 182 ms 2852 KB Output is correct
36 Correct 180 ms 2864 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 2424 KB Output is correct
2 Correct 13 ms 2432 KB Output is correct
3 Correct 3 ms 2432 KB Output is correct
4 Correct 11 ms 2432 KB Output is correct
5 Correct 24 ms 2448 KB Output is correct
6 Correct 17 ms 2532 KB Output is correct
7 Correct 14 ms 2532 KB Output is correct
8 Correct 27 ms 2628 KB Output is correct
9 Correct 21 ms 2628 KB Output is correct
10 Correct 59 ms 2628 KB Output is correct
11 Correct 57 ms 2628 KB Output is correct
12 Correct 53 ms 2628 KB Output is correct
13 Correct 52 ms 2628 KB Output is correct
14 Correct 57 ms 2628 KB Output is correct
15 Correct 60 ms 2628 KB Output is correct
16 Correct 63 ms 2644 KB Output is correct
17 Correct 38 ms 2644 KB Output is correct
18 Correct 43 ms 2644 KB Output is correct
19 Correct 50 ms 2660 KB Output is correct
20 Correct 60 ms 2664 KB Output is correct
21 Correct 124 ms 2756 KB Output is correct
22 Correct 145 ms 2760 KB Output is correct
23 Correct 98 ms 2760 KB Output is correct
24 Correct 165 ms 2760 KB Output is correct
25 Correct 175 ms 2820 KB Output is correct
26 Correct 198 ms 2820 KB Output is correct
27 Correct 188 ms 2820 KB Output is correct
28 Correct 169 ms 2832 KB Output is correct
29 Correct 190 ms 2836 KB Output is correct
30 Correct 190 ms 2836 KB Output is correct
31 Correct 175 ms 2836 KB Output is correct
32 Correct 181 ms 2836 KB Output is correct
33 Correct 195 ms 2836 KB Output is correct
34 Correct 195 ms 2852 KB Output is correct
35 Correct 182 ms 2852 KB Output is correct
36 Correct 180 ms 2864 KB Output is correct
37 Correct 357 ms 2976 KB Output is correct
38 Correct 375 ms 2984 KB Output is correct
39 Correct 429 ms 3004 KB Output is correct
40 Correct 469 ms 3004 KB Output is correct
41 Correct 450 ms 3072 KB Output is correct
42 Correct 423 ms 3140 KB Output is correct
43 Correct 411 ms 3392 KB Output is correct
44 Correct 428 ms 3404 KB Output is correct
45 Correct 434 ms 3404 KB Output is correct
46 Correct 484 ms 3404 KB Output is correct
47 Correct 420 ms 3404 KB Output is correct
48 Correct 437 ms 3404 KB Output is correct
49 Correct 406 ms 3404 KB Output is correct
50 Correct 413 ms 3404 KB Output is correct
51 Correct 36 ms 3404 KB Output is correct
52 Correct 408 ms 3452 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 2424 KB Output is correct
2 Correct 13 ms 2432 KB Output is correct
3 Correct 3 ms 2432 KB Output is correct
4 Correct 11 ms 2432 KB Output is correct
5 Correct 24 ms 2448 KB Output is correct
6 Correct 17 ms 2532 KB Output is correct
7 Correct 14 ms 2532 KB Output is correct
8 Correct 27 ms 2628 KB Output is correct
9 Correct 21 ms 2628 KB Output is correct
10 Correct 59 ms 2628 KB Output is correct
11 Correct 57 ms 2628 KB Output is correct
12 Correct 53 ms 2628 KB Output is correct
13 Correct 52 ms 2628 KB Output is correct
14 Correct 57 ms 2628 KB Output is correct
15 Correct 60 ms 2628 KB Output is correct
16 Correct 63 ms 2644 KB Output is correct
17 Correct 38 ms 2644 KB Output is correct
18 Correct 43 ms 2644 KB Output is correct
19 Correct 50 ms 2660 KB Output is correct
20 Correct 60 ms 2664 KB Output is correct
21 Correct 124 ms 2756 KB Output is correct
22 Correct 145 ms 2760 KB Output is correct
23 Correct 98 ms 2760 KB Output is correct
24 Correct 165 ms 2760 KB Output is correct
25 Correct 175 ms 2820 KB Output is correct
26 Correct 198 ms 2820 KB Output is correct
27 Correct 188 ms 2820 KB Output is correct
28 Correct 169 ms 2832 KB Output is correct
29 Correct 190 ms 2836 KB Output is correct
30 Correct 190 ms 2836 KB Output is correct
31 Correct 175 ms 2836 KB Output is correct
32 Correct 181 ms 2836 KB Output is correct
33 Correct 195 ms 2836 KB Output is correct
34 Correct 195 ms 2852 KB Output is correct
35 Correct 182 ms 2852 KB Output is correct
36 Correct 180 ms 2864 KB Output is correct
37 Correct 357 ms 2976 KB Output is correct
38 Correct 375 ms 2984 KB Output is correct
39 Correct 429 ms 3004 KB Output is correct
40 Correct 469 ms 3004 KB Output is correct
41 Correct 450 ms 3072 KB Output is correct
42 Correct 423 ms 3140 KB Output is correct
43 Correct 411 ms 3392 KB Output is correct
44 Correct 428 ms 3404 KB Output is correct
45 Correct 434 ms 3404 KB Output is correct
46 Correct 484 ms 3404 KB Output is correct
47 Correct 420 ms 3404 KB Output is correct
48 Correct 437 ms 3404 KB Output is correct
49 Correct 406 ms 3404 KB Output is correct
50 Correct 413 ms 3404 KB Output is correct
51 Correct 36 ms 3404 KB Output is correct
52 Correct 408 ms 3452 KB Output is correct
53 Correct 517 ms 3452 KB Output is correct
54 Correct 583 ms 3460 KB Output is correct
55 Correct 515 ms 3972 KB Output is correct
56 Correct 528 ms 3972 KB Output is correct
57 Correct 513 ms 4008 KB Output is correct
58 Correct 578 ms 4008 KB Output is correct
59 Correct 575 ms 4008 KB Output is correct
60 Correct 59 ms 4008 KB Output is correct
61 Correct 544 ms 4008 KB Output is correct
62 Correct 486 ms 4008 KB Output is correct
63 Correct 481 ms 4008 KB Output is correct
64 Correct 516 ms 4008 KB Output is correct
65 Correct 564 ms 4008 KB Output is correct
66 Correct 501 ms 4008 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 2424 KB Output is correct
2 Correct 13 ms 2432 KB Output is correct
3 Correct 3 ms 2432 KB Output is correct
4 Correct 11 ms 2432 KB Output is correct
5 Correct 24 ms 2448 KB Output is correct
6 Correct 17 ms 2532 KB Output is correct
7 Correct 14 ms 2532 KB Output is correct
8 Correct 27 ms 2628 KB Output is correct
9 Correct 21 ms 2628 KB Output is correct
10 Correct 59 ms 2628 KB Output is correct
11 Correct 57 ms 2628 KB Output is correct
12 Correct 53 ms 2628 KB Output is correct
13 Correct 52 ms 2628 KB Output is correct
14 Correct 57 ms 2628 KB Output is correct
15 Correct 60 ms 2628 KB Output is correct
16 Correct 63 ms 2644 KB Output is correct
17 Correct 38 ms 2644 KB Output is correct
18 Correct 43 ms 2644 KB Output is correct
19 Correct 50 ms 2660 KB Output is correct
20 Correct 60 ms 2664 KB Output is correct
21 Correct 124 ms 2756 KB Output is correct
22 Correct 145 ms 2760 KB Output is correct
23 Correct 98 ms 2760 KB Output is correct
24 Correct 165 ms 2760 KB Output is correct
25 Correct 175 ms 2820 KB Output is correct
26 Correct 198 ms 2820 KB Output is correct
27 Correct 188 ms 2820 KB Output is correct
28 Correct 169 ms 2832 KB Output is correct
29 Correct 190 ms 2836 KB Output is correct
30 Correct 190 ms 2836 KB Output is correct
31 Correct 175 ms 2836 KB Output is correct
32 Correct 181 ms 2836 KB Output is correct
33 Correct 195 ms 2836 KB Output is correct
34 Correct 195 ms 2852 KB Output is correct
35 Correct 182 ms 2852 KB Output is correct
36 Correct 180 ms 2864 KB Output is correct
37 Correct 357 ms 2976 KB Output is correct
38 Correct 375 ms 2984 KB Output is correct
39 Correct 429 ms 3004 KB Output is correct
40 Correct 469 ms 3004 KB Output is correct
41 Correct 450 ms 3072 KB Output is correct
42 Correct 423 ms 3140 KB Output is correct
43 Correct 411 ms 3392 KB Output is correct
44 Correct 428 ms 3404 KB Output is correct
45 Correct 434 ms 3404 KB Output is correct
46 Correct 484 ms 3404 KB Output is correct
47 Correct 420 ms 3404 KB Output is correct
48 Correct 437 ms 3404 KB Output is correct
49 Correct 406 ms 3404 KB Output is correct
50 Correct 413 ms 3404 KB Output is correct
51 Correct 36 ms 3404 KB Output is correct
52 Correct 408 ms 3452 KB Output is correct
53 Correct 517 ms 3452 KB Output is correct
54 Correct 583 ms 3460 KB Output is correct
55 Correct 515 ms 3972 KB Output is correct
56 Correct 528 ms 3972 KB Output is correct
57 Correct 513 ms 4008 KB Output is correct
58 Correct 578 ms 4008 KB Output is correct
59 Correct 575 ms 4008 KB Output is correct
60 Correct 59 ms 4008 KB Output is correct
61 Correct 544 ms 4008 KB Output is correct
62 Correct 486 ms 4008 KB Output is correct
63 Correct 481 ms 4008 KB Output is correct
64 Correct 516 ms 4008 KB Output is correct
65 Correct 564 ms 4008 KB Output is correct
66 Correct 501 ms 4008 KB Output is correct
67 Correct 622 ms 4008 KB Output is correct
68 Correct 73 ms 4008 KB Output is correct
69 Correct 614 ms 4932 KB Output is correct
70 Correct 711 ms 4932 KB Output is correct
71 Correct 740 ms 4932 KB Output is correct
72 Correct 717 ms 4932 KB Output is correct
73 Correct 713 ms 4932 KB Output is correct
74 Correct 573 ms 5060 KB Output is correct
75 Correct 667 ms 5060 KB Output is correct
76 Correct 551 ms 5080 KB Output is correct
77 Correct 545 ms 5080 KB Output is correct