oj.uz

Submission #700108

# Submission time Handle Problem Language Result Execution time Memory
700108 2023-02-18T16:04:14 Z messiuuuuu Bootfall (IZhO17_bootfall) C++17
65 / 100
 1000 ms 3072 KB 
///
#include<bits/stdc++.h>
#define task "C"
#define ll long long
#define ld long double
#define fi first
#define se second
#define pb push_back
using namespace std;
const int MAXN = 5e2 + 5;
const ll INF = 1e18 + 5;
const int MOD = 1e9 + 22071997;

int n;
int a[MAXN], sum = 0;

void Input()
{
    cin >> n;
    for (int i = 1; i <= n; i++)
    {
        cin >> a[i];
        sum += a[i];
    }
}

int dp[MAXN * MAXN], chk[MAXN * MAXN];

void add(int& a, int b)
{
    a += b;
    if (a >= MOD)
        a -= MOD;
    if (a < 0)
        a += MOD;
}

void Solve()
{
    if (sum % 2)
    {
        cout << 0;
        return;
    }
    dp[0] = 1;
    for (int i = 1; i <= n; i++)
    {
        for (int j = sum; j >= a[i]; j--)
        {
            add(dp[j], dp[j - a[i]]);
        }
    }
    if (!dp[sum / 2])
    {
        cout << 0;
        return;
    }

    for (int i = 1; i <= n; i++)
    {
        for (int j = a[i]; j <= sum; j++)
        {
            add(dp[j], -dp[j - a[i]]);
        }
        for (int j = 0; j <= sum; j++)
        {
            if ((sum + j - a[i]) & 1)
                continue;
            chk[j] += dp[(sum + j - a[i]) / 2] > 0;
        }
        for (int j = sum; j >= a[i]; j--)
        {
            add(dp[j], dp[j - a[i]]);
        }
    }

    vector<int> res;
    for (int i = 0; i <= sum; i++)
        if (chk[i] == n)
            res.pb(i);

    cout << res.size() << '\n';
    for (int id : res)
        cout << id << ' ';
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    if (fopen(task".INP","r"))
    {
        freopen(task".INP","r",stdin);
        //freopen(task".OUT","w",stdout);
    }
    Input();
    Solve();
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:93:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   93 |         freopen(task".INP","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 328 KB Output is correct
20 Correct 1 ms 332 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 328 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 3 ms 340 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 4 ms 340 KB Output is correct
25 Correct 6 ms 340 KB Output is correct
26 Correct 7 ms 340 KB Output is correct
27 Correct 7 ms 400 KB Output is correct
28 Correct 7 ms 336 KB Output is correct
29 Correct 6 ms 340 KB Output is correct
30 Correct 5 ms 328 KB Output is correct
31 Correct 7 ms 328 KB Output is correct
32 Correct 5 ms 328 KB Output is correct
33 Correct 4 ms 340 KB Output is correct
34 Correct 4 ms 340 KB Output is correct
35 Correct 5 ms 328 KB Output is correct
36 Correct 5 ms 340 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 328 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 3 ms 340 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 4 ms 340 KB Output is correct
25 Correct 6 ms 340 KB Output is correct
26 Correct 7 ms 340 KB Output is correct
27 Correct 7 ms 400 KB Output is correct
28 Correct 7 ms 336 KB Output is correct
29 Correct 6 ms 340 KB Output is correct
30 Correct 5 ms 328 KB Output is correct
31 Correct 7 ms 328 KB Output is correct
32 Correct 5 ms 328 KB Output is correct
33 Correct 4 ms 340 KB Output is correct
34 Correct 4 ms 340 KB Output is correct
35 Correct 5 ms 328 KB Output is correct
36 Correct 5 ms 340 KB Output is correct
37 Correct 38 ms 532 KB Output is correct
38 Correct 37 ms 596 KB Output is correct
39 Correct 65 ms 724 KB Output is correct
40 Correct 88 ms 716 KB Output is correct
41 Correct 77 ms 868 KB Output is correct
42 Correct 73 ms 672 KB Output is correct
43 Correct 125 ms 1056 KB Output is correct
44 Correct 130 ms 1140 KB Output is correct
45 Correct 133 ms 1140 KB Output is correct
46 Correct 55 ms 568 KB Output is correct
47 Correct 81 ms 712 KB Output is correct
48 Correct 120 ms 1080 KB Output is correct
49 Correct 94 ms 844 KB Output is correct
50 Correct 79 ms 716 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 163 ms 1244 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 328 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 3 ms 340 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 4 ms 340 KB Output is correct
25 Correct 6 ms 340 KB Output is correct
26 Correct 7 ms 340 KB Output is correct
27 Correct 7 ms 400 KB Output is correct
28 Correct 7 ms 336 KB Output is correct
29 Correct 6 ms 340 KB Output is correct
30 Correct 5 ms 328 KB Output is correct
31 Correct 7 ms 328 KB Output is correct
32 Correct 5 ms 328 KB Output is correct
33 Correct 4 ms 340 KB Output is correct
34 Correct 4 ms 340 KB Output is correct
35 Correct 5 ms 328 KB Output is correct
36 Correct 5 ms 340 KB Output is correct
37 Correct 38 ms 532 KB Output is correct
38 Correct 37 ms 596 KB Output is correct
39 Correct 65 ms 724 KB Output is correct
40 Correct 88 ms 716 KB Output is correct
41 Correct 77 ms 868 KB Output is correct
42 Correct 73 ms 672 KB Output is correct
43 Correct 125 ms 1056 KB Output is correct
44 Correct 130 ms 1140 KB Output is correct
45 Correct 133 ms 1140 KB Output is correct
46 Correct 55 ms 568 KB Output is correct
47 Correct 81 ms 712 KB Output is correct
48 Correct 120 ms 1080 KB Output is correct
49 Correct 94 ms 844 KB Output is correct
50 Correct 79 ms 716 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 163 ms 1244 KB Output is correct
53 Correct 134 ms 960 KB Output is correct
54 Correct 185 ms 1052 KB Output is correct
55 Correct 351 ms 1784 KB Output is correct
56 Correct 163 ms 1144 KB Output is correct
57 Correct 373 ms 1928 KB Output is correct
58 Correct 206 ms 1212 KB Output is correct
59 Correct 255 ms 1384 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 291 ms 1508 KB Output is correct
62 Correct 289 ms 1596 KB Output is correct
63 Correct 309 ms 1636 KB Output is correct
64 Correct 297 ms 1632 KB Output is correct
65 Correct 61 ms 692 KB Output is correct
66 Correct 79 ms 728 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 328 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 3 ms 340 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 4 ms 340 KB Output is correct
25 Correct 6 ms 340 KB Output is correct
26 Correct 7 ms 340 KB Output is correct
27 Correct 7 ms 400 KB Output is correct
28 Correct 7 ms 336 KB Output is correct
29 Correct 6 ms 340 KB Output is correct
30 Correct 5 ms 328 KB Output is correct
31 Correct 7 ms 328 KB Output is correct
32 Correct 5 ms 328 KB Output is correct
33 Correct 4 ms 340 KB Output is correct
34 Correct 4 ms 340 KB Output is correct
35 Correct 5 ms 328 KB Output is correct
36 Correct 5 ms 340 KB Output is correct
37 Correct 38 ms 532 KB Output is correct
38 Correct 37 ms 596 KB Output is correct
39 Correct 65 ms 724 KB Output is correct
40 Correct 88 ms 716 KB Output is correct
41 Correct 77 ms 868 KB Output is correct
42 Correct 73 ms 672 KB Output is correct
43 Correct 125 ms 1056 KB Output is correct
44 Correct 130 ms 1140 KB Output is correct
45 Correct 133 ms 1140 KB Output is correct
46 Correct 55 ms 568 KB Output is correct
47 Correct 81 ms 712 KB Output is correct
48 Correct 120 ms 1080 KB Output is correct
49 Correct 94 ms 844 KB Output is correct
50 Correct 79 ms 716 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 163 ms 1244 KB Output is correct
53 Correct 134 ms 960 KB Output is correct
54 Correct 185 ms 1052 KB Output is correct
55 Correct 351 ms 1784 KB Output is correct
56 Correct 163 ms 1144 KB Output is correct
57 Correct 373 ms 1928 KB Output is correct
58 Correct 206 ms 1212 KB Output is correct
59 Correct 255 ms 1384 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 291 ms 1508 KB Output is correct
62 Correct 289 ms 1596 KB Output is correct
63 Correct 309 ms 1636 KB Output is correct
64 Correct 297 ms 1632 KB Output is correct
65 Correct 61 ms 692 KB Output is correct
66 Correct 79 ms 728 KB Output is correct
67 Correct 307 ms 1456 KB Output is correct
68 Correct 118 ms 724 KB Output is correct
69 Execution timed out 1030 ms 3072 KB Time limit exceeded
70 Halted 0 ms 0 KB -