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Submission #38464

# Submission time Handle Problem Language Result Execution time Memory
38464 2018-01-04T09:06:37 Z MrPlany Bootfall (IZhO17_bootfall) C++14
100 / 100
 599 ms 5804 KB 
#include<bits/stdc++.h>
using namespace std;
const int maxn = 505;
const int mx = 250000;
int n;
int a[maxn], cnt[mx+505];
int dp[mx+505], temp[mx+505];
vector<int> ans;
int main() {
    scanf("%d",&n);
    for(int i=1;i<=n;i++) scanf("%d",&a[i]);
    int sum = 0;
    for(int i=1;i<=n;i++) sum += a[i];
    dp[0] = 1;
    for(int i=1;i<=n;i++) {
        for(int x=mx;x>=0;x--) dp[x+a[i]] += dp[x];
//        for(int x=0;x<=mx;x++) printf("%lld ",dp[x]);
//        printf("\n");
    }
    if(sum%2!=0 || dp[sum/2]==0) return !printf("0");
    for(int i=1;i<=n;i++) {
        memset(temp,0,sizeof(temp));
        for(int x=0;x<=mx;x++) {
            temp[x] += dp[x];
            temp[x+a[i]] -= temp[x];
        }
//        printf("%d : ",i);
        for(int x=0;x<=mx;x++) {
//            printf("%d ",temp[x]);
            if((sum-a[i]+x)%2==0 && sum-a[i]-x>=0 && temp[(sum-a[i]-x)/2]!=0) cnt[x]++;
        }
//        printf("\n");
    }
    for(int i=1;i<=mx;i++) if(cnt[i]==n) ans.push_back(i);
    printf("%d\n",ans.size());
    for(auto x : ans) printf("%d ",x);
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:35:29: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
     printf("%d\n",ans.size());
                             ^
bootfall.cpp:10:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
bootfall.cpp:11:44: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i=1;i<=n;i++) scanf("%d",&a[i]);
                                            ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 4952 KB Output is correct
2 Correct 13 ms 4952 KB Output is correct
3 Correct 0 ms 4952 KB Output is correct
4 Correct 9 ms 4952 KB Output is correct
5 Correct 23 ms 4952 KB Output is correct
6 Correct 13 ms 4952 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 16 ms 4952 KB Output is correct
9 Correct 19 ms 4952 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 4952 KB Output is correct
2 Correct 13 ms 4952 KB Output is correct
3 Correct 0 ms 4952 KB Output is correct
4 Correct 9 ms 4952 KB Output is correct
5 Correct 23 ms 4952 KB Output is correct
6 Correct 13 ms 4952 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 16 ms 4952 KB Output is correct
9 Correct 19 ms 4952 KB Output is correct
10 Correct 49 ms 4952 KB Output is correct
11 Correct 53 ms 4952 KB Output is correct
12 Correct 46 ms 4952 KB Output is correct
13 Correct 46 ms 4952 KB Output is correct
14 Correct 46 ms 4952 KB Output is correct
15 Correct 46 ms 4952 KB Output is correct
16 Correct 53 ms 4952 KB Output is correct
17 Correct 23 ms 4952 KB Output is correct
18 Correct 43 ms 4952 KB Output is correct
19 Correct 46 ms 4952 KB Output is correct
20 Correct 46 ms 4952 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 4952 KB Output is correct
2 Correct 13 ms 4952 KB Output is correct
3 Correct 0 ms 4952 KB Output is correct
4 Correct 9 ms 4952 KB Output is correct
5 Correct 23 ms 4952 KB Output is correct
6 Correct 13 ms 4952 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 16 ms 4952 KB Output is correct
9 Correct 19 ms 4952 KB Output is correct
10 Correct 49 ms 4952 KB Output is correct
11 Correct 53 ms 4952 KB Output is correct
12 Correct 46 ms 4952 KB Output is correct
13 Correct 46 ms 4952 KB Output is correct
14 Correct 46 ms 4952 KB Output is correct
15 Correct 46 ms 4952 KB Output is correct
16 Correct 53 ms 4952 KB Output is correct
17 Correct 23 ms 4952 KB Output is correct
18 Correct 43 ms 4952 KB Output is correct
19 Correct 46 ms 4952 KB Output is correct
20 Correct 46 ms 4952 KB Output is correct
21 Correct 106 ms 4952 KB Output is correct
22 Correct 109 ms 4952 KB Output is correct
23 Correct 83 ms 4952 KB Output is correct
24 Correct 163 ms 4952 KB Output is correct
25 Correct 179 ms 4952 KB Output is correct
26 Correct 166 ms 4952 KB Output is correct
27 Correct 139 ms 4952 KB Output is correct
28 Correct 179 ms 4952 KB Output is correct
29 Correct 173 ms 4952 KB Output is correct
30 Correct 129 ms 4952 KB Output is correct
31 Correct 169 ms 4952 KB Output is correct
32 Correct 136 ms 4952 KB Output is correct
33 Correct 143 ms 4952 KB Output is correct
34 Correct 133 ms 4952 KB Output is correct
35 Correct 133 ms 4952 KB Output is correct
36 Correct 149 ms 4952 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 4952 KB Output is correct
2 Correct 13 ms 4952 KB Output is correct
3 Correct 0 ms 4952 KB Output is correct
4 Correct 9 ms 4952 KB Output is correct
5 Correct 23 ms 4952 KB Output is correct
6 Correct 13 ms 4952 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 16 ms 4952 KB Output is correct
9 Correct 19 ms 4952 KB Output is correct
10 Correct 49 ms 4952 KB Output is correct
11 Correct 53 ms 4952 KB Output is correct
12 Correct 46 ms 4952 KB Output is correct
13 Correct 46 ms 4952 KB Output is correct
14 Correct 46 ms 4952 KB Output is correct
15 Correct 46 ms 4952 KB Output is correct
16 Correct 53 ms 4952 KB Output is correct
17 Correct 23 ms 4952 KB Output is correct
18 Correct 43 ms 4952 KB Output is correct
19 Correct 46 ms 4952 KB Output is correct
20 Correct 46 ms 4952 KB Output is correct
21 Correct 106 ms 4952 KB Output is correct
22 Correct 109 ms 4952 KB Output is correct
23 Correct 83 ms 4952 KB Output is correct
24 Correct 163 ms 4952 KB Output is correct
25 Correct 179 ms 4952 KB Output is correct
26 Correct 166 ms 4952 KB Output is correct
27 Correct 139 ms 4952 KB Output is correct
28 Correct 179 ms 4952 KB Output is correct
29 Correct 173 ms 4952 KB Output is correct
30 Correct 129 ms 4952 KB Output is correct
31 Correct 169 ms 4952 KB Output is correct
32 Correct 136 ms 4952 KB Output is correct
33 Correct 143 ms 4952 KB Output is correct
34 Correct 133 ms 4952 KB Output is correct
35 Correct 133 ms 4952 KB Output is correct
36 Correct 149 ms 4952 KB Output is correct
37 Correct 289 ms 5092 KB Output is correct
38 Correct 276 ms 5092 KB Output is correct
39 Correct 326 ms 4952 KB Output is correct
40 Correct 399 ms 5092 KB Output is correct
41 Correct 296 ms 4952 KB Output is correct
42 Correct 336 ms 5092 KB Output is correct
43 Correct 339 ms 5224 KB Output is correct
44 Correct 389 ms 5224 KB Output is correct
45 Correct 373 ms 5224 KB Output is correct
46 Correct 409 ms 4952 KB Output is correct
47 Correct 313 ms 5092 KB Output is correct
48 Correct 326 ms 5224 KB Output is correct
49 Correct 316 ms 5092 KB Output is correct
50 Correct 339 ms 5092 KB Output is correct
51 Correct 66 ms 4952 KB Output is correct
52 Correct 359 ms 5224 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 4952 KB Output is correct
2 Correct 13 ms 4952 KB Output is correct
3 Correct 0 ms 4952 KB Output is correct
4 Correct 9 ms 4952 KB Output is correct
5 Correct 23 ms 4952 KB Output is correct
6 Correct 13 ms 4952 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 16 ms 4952 KB Output is correct
9 Correct 19 ms 4952 KB Output is correct
10 Correct 49 ms 4952 KB Output is correct
11 Correct 53 ms 4952 KB Output is correct
12 Correct 46 ms 4952 KB Output is correct
13 Correct 46 ms 4952 KB Output is correct
14 Correct 46 ms 4952 KB Output is correct
15 Correct 46 ms 4952 KB Output is correct
16 Correct 53 ms 4952 KB Output is correct
17 Correct 23 ms 4952 KB Output is correct
18 Correct 43 ms 4952 KB Output is correct
19 Correct 46 ms 4952 KB Output is correct
20 Correct 46 ms 4952 KB Output is correct
21 Correct 106 ms 4952 KB Output is correct
22 Correct 109 ms 4952 KB Output is correct
23 Correct 83 ms 4952 KB Output is correct
24 Correct 163 ms 4952 KB Output is correct
25 Correct 179 ms 4952 KB Output is correct
26 Correct 166 ms 4952 KB Output is correct
27 Correct 139 ms 4952 KB Output is correct
28 Correct 179 ms 4952 KB Output is correct
29 Correct 173 ms 4952 KB Output is correct
30 Correct 129 ms 4952 KB Output is correct
31 Correct 169 ms 4952 KB Output is correct
32 Correct 136 ms 4952 KB Output is correct
33 Correct 143 ms 4952 KB Output is correct
34 Correct 133 ms 4952 KB Output is correct
35 Correct 133 ms 4952 KB Output is correct
36 Correct 149 ms 4952 KB Output is correct
37 Correct 289 ms 5092 KB Output is correct
38 Correct 276 ms 5092 KB Output is correct
39 Correct 326 ms 4952 KB Output is correct
40 Correct 399 ms 5092 KB Output is correct
41 Correct 296 ms 4952 KB Output is correct
42 Correct 336 ms 5092 KB Output is correct
43 Correct 339 ms 5224 KB Output is correct
44 Correct 389 ms 5224 KB Output is correct
45 Correct 373 ms 5224 KB Output is correct
46 Correct 409 ms 4952 KB Output is correct
47 Correct 313 ms 5092 KB Output is correct
48 Correct 326 ms 5224 KB Output is correct
49 Correct 316 ms 5092 KB Output is correct
50 Correct 339 ms 5092 KB Output is correct
51 Correct 66 ms 4952 KB Output is correct
52 Correct 359 ms 5224 KB Output is correct
53 Correct 416 ms 5224 KB Output is correct
54 Correct 479 ms 5224 KB Output is correct
55 Correct 463 ms 5420 KB Output is correct
56 Correct 436 ms 5224 KB Output is correct
57 Correct 489 ms 5420 KB Output is correct
58 Correct 456 ms 5224 KB Output is correct
59 Correct 459 ms 5420 KB Output is correct
60 Correct 106 ms 4952 KB Output is correct
61 Correct 449 ms 5420 KB Output is correct
62 Correct 399 ms 5420 KB Output is correct
63 Correct 446 ms 5420 KB Output is correct
64 Correct 436 ms 5420 KB Output is correct
65 Correct 496 ms 4952 KB Output is correct
66 Correct 483 ms 5092 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 4952 KB Output is correct
2 Correct 13 ms 4952 KB Output is correct
3 Correct 0 ms 4952 KB Output is correct
4 Correct 9 ms 4952 KB Output is correct
5 Correct 23 ms 4952 KB Output is correct
6 Correct 13 ms 4952 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 16 ms 4952 KB Output is correct
9 Correct 19 ms 4952 KB Output is correct
10 Correct 49 ms 4952 KB Output is correct
11 Correct 53 ms 4952 KB Output is correct
12 Correct 46 ms 4952 KB Output is correct
13 Correct 46 ms 4952 KB Output is correct
14 Correct 46 ms 4952 KB Output is correct
15 Correct 46 ms 4952 KB Output is correct
16 Correct 53 ms 4952 KB Output is correct
17 Correct 23 ms 4952 KB Output is correct
18 Correct 43 ms 4952 KB Output is correct
19 Correct 46 ms 4952 KB Output is correct
20 Correct 46 ms 4952 KB Output is correct
21 Correct 106 ms 4952 KB Output is correct
22 Correct 109 ms 4952 KB Output is correct
23 Correct 83 ms 4952 KB Output is correct
24 Correct 163 ms 4952 KB Output is correct
25 Correct 179 ms 4952 KB Output is correct
26 Correct 166 ms 4952 KB Output is correct
27 Correct 139 ms 4952 KB Output is correct
28 Correct 179 ms 4952 KB Output is correct
29 Correct 173 ms 4952 KB Output is correct
30 Correct 129 ms 4952 KB Output is correct
31 Correct 169 ms 4952 KB Output is correct
32 Correct 136 ms 4952 KB Output is correct
33 Correct 143 ms 4952 KB Output is correct
34 Correct 133 ms 4952 KB Output is correct
35 Correct 133 ms 4952 KB Output is correct
36 Correct 149 ms 4952 KB Output is correct
37 Correct 289 ms 5092 KB Output is correct
38 Correct 276 ms 5092 KB Output is correct
39 Correct 326 ms 4952 KB Output is correct
40 Correct 399 ms 5092 KB Output is correct
41 Correct 296 ms 4952 KB Output is correct
42 Correct 336 ms 5092 KB Output is correct
43 Correct 339 ms 5224 KB Output is correct
44 Correct 389 ms 5224 KB Output is correct
45 Correct 373 ms 5224 KB Output is correct
46 Correct 409 ms 4952 KB Output is correct
47 Correct 313 ms 5092 KB Output is correct
48 Correct 326 ms 5224 KB Output is correct
49 Correct 316 ms 5092 KB Output is correct
50 Correct 339 ms 5092 KB Output is correct
51 Correct 66 ms 4952 KB Output is correct
52 Correct 359 ms 5224 KB Output is correct
53 Correct 416 ms 5224 KB Output is correct
54 Correct 479 ms 5224 KB Output is correct
55 Correct 463 ms 5420 KB Output is correct
56 Correct 436 ms 5224 KB Output is correct
57 Correct 489 ms 5420 KB Output is correct
58 Correct 456 ms 5224 KB Output is correct
59 Correct 459 ms 5420 KB Output is correct
60 Correct 106 ms 4952 KB Output is correct
61 Correct 449 ms 5420 KB Output is correct
62 Correct 399 ms 5420 KB Output is correct
63 Correct 446 ms 5420 KB Output is correct
64 Correct 436 ms 5420 KB Output is correct
65 Correct 496 ms 4952 KB Output is correct
66 Correct 483 ms 5092 KB Output is correct
67 Correct 569 ms 5420 KB Output is correct
68 Correct 136 ms 4952 KB Output is correct
69 Correct 523 ms 5804 KB Output is correct
70 Correct 529 ms 5420 KB Output is correct
71 Correct 543 ms 5420 KB Output is correct
72 Correct 553 ms 4952 KB Output is correct
73 Correct 533 ms 4952 KB Output is correct
74 Correct 516 ms 5804 KB Output is correct
75 Correct 599 ms 5804 KB Output is correct
76 Correct 523 ms 5804 KB Output is correct
77 Correct 559 ms 5804 KB Output is correct