Submission #92776

# Submission time Handle Problem Language Result Execution time Memory
92776 2019-01-04T13:44:31 Z toloraia Bootfall (IZhO17_bootfall) C++14
44 / 100
450 ms 3128 KB
#include <bits/stdc++.h>
#define ll long long int
#pragma GCC("Ofast")
using namespace std;

const int N = 505, M = 260010, P = 4;
const int B = 1e9 + 9;

int n;
int a[N];
bool F[M], f;
int S;
int DP[M];
int dp[M];
int ans[M], ANS[M];
int V[M], np;
int main()
{
    cin>>n;
    for (int i = 1; i <= n; i++){
        cin>>a[i];
        S += a[i];
    }
    sort (a + 1, a + n + 1);
    bool ok = 0;
    for (int i = 2; i <= n; i++)
        if ((a[i] - a[i - 1]) % 2 == 1)
            ok = 1;
    if (S % 2 == 1)
        ok = 1;
    if (ok){
        cout<<0<<endl;
        return 0;
    }
    F[0] = 1;
    DP[0] = 1;
    for (int i = 1; i <= n; i++){
        for (int j = S; j >= a[i]; j--)
            if (F[j - a[i]]){
                F[j] = 1;
                DP[j] += DP[j - a[i]];
                if (DP[j] > B)
                    DP[j] -= B;
            }
    }
    if (F[S / 2] == 0){
        cout<<0<<endl;
        return 0;
    }
    for (int i = 0; i <= S; i++)
        if (F[i])
            V[np++] = i;
    for (int I = 1; I <= n; ++I){
        for (int i1 = 0; i1 < np; ++i1){
            int i = V[i1];
            dp[i] = DP[i];
            ans[abs (S - 2 * i - a[I])] = 0;
        }
        for (int i1 = 0; i1 < np; ++i1){
            int i = V[i1];
                f = 1;
                if (i >= a[I]){
                    f = 0;
                        dp[i] -= dp[i - a[I]];
                        if (dp[i] < 0)
                            dp[i] += B;
                        if (dp[i])
                            f = 1;
                }
                if (f && ans[abs (S - a[I] - 2 * i)] == 0){
                    ans[abs (S - a[I] - 2 * i)] = 1;
                    ANS[abs (S - a[I] - 2 * i)]++;
                }
            }
    }
    np = 0;
    for (int i = 1; i <= S; i++)
        if (ANS[i] == n)
            V[np++] = i;
    cout<<np<<endl;
    for (int i = 0; i < np; i++)
        cout<<V[i]<<" ";
    cout<<endl;
    return 0;
}

Compilation message

bootfall.cpp:3:0: warning: ignoring #pragma GCC  [-Wunknown-pragmas]
 #pragma GCC("Ofast")
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 1 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 1 ms 376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 1 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 1 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 1 ms 376 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 1 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 1 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 1 ms 376 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 4 ms 504 KB Output is correct
22 Correct 4 ms 504 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 6 ms 404 KB Output is correct
25 Correct 9 ms 504 KB Output is correct
26 Correct 10 ms 504 KB Output is correct
27 Correct 6 ms 504 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 7 ms 504 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 9 ms 632 KB Output is correct
32 Correct 6 ms 504 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 6 ms 504 KB Output is correct
36 Correct 7 ms 504 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 1 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 1 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 1 ms 376 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 4 ms 504 KB Output is correct
22 Correct 4 ms 504 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 6 ms 404 KB Output is correct
25 Correct 9 ms 504 KB Output is correct
26 Correct 10 ms 504 KB Output is correct
27 Correct 6 ms 504 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 7 ms 504 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 9 ms 632 KB Output is correct
32 Correct 6 ms 504 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 6 ms 504 KB Output is correct
36 Correct 7 ms 504 KB Output is correct
37 Correct 45 ms 760 KB Output is correct
38 Correct 45 ms 840 KB Output is correct
39 Correct 15 ms 1400 KB Output is correct
40 Correct 100 ms 1104 KB Output is correct
41 Correct 19 ms 1528 KB Output is correct
42 Correct 87 ms 1020 KB Output is correct
43 Correct 149 ms 1656 KB Output is correct
44 Correct 157 ms 1576 KB Output is correct
45 Correct 160 ms 1656 KB Output is correct
46 Correct 56 ms 1020 KB Output is correct
47 Correct 94 ms 1144 KB Output is correct
48 Correct 141 ms 1628 KB Output is correct
49 Correct 95 ms 1500 KB Output is correct
50 Correct 96 ms 1064 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 203 ms 2040 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 1 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 1 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 1 ms 376 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 4 ms 504 KB Output is correct
22 Correct 4 ms 504 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 6 ms 404 KB Output is correct
25 Correct 9 ms 504 KB Output is correct
26 Correct 10 ms 504 KB Output is correct
27 Correct 6 ms 504 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 7 ms 504 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 9 ms 632 KB Output is correct
32 Correct 6 ms 504 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 6 ms 504 KB Output is correct
36 Correct 7 ms 504 KB Output is correct
37 Correct 45 ms 760 KB Output is correct
38 Correct 45 ms 840 KB Output is correct
39 Correct 15 ms 1400 KB Output is correct
40 Correct 100 ms 1104 KB Output is correct
41 Correct 19 ms 1528 KB Output is correct
42 Correct 87 ms 1020 KB Output is correct
43 Correct 149 ms 1656 KB Output is correct
44 Correct 157 ms 1576 KB Output is correct
45 Correct 160 ms 1656 KB Output is correct
46 Correct 56 ms 1020 KB Output is correct
47 Correct 94 ms 1144 KB Output is correct
48 Correct 141 ms 1628 KB Output is correct
49 Correct 95 ms 1500 KB Output is correct
50 Correct 96 ms 1064 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 203 ms 2040 KB Output is correct
53 Correct 159 ms 1464 KB Output is correct
54 Correct 224 ms 1664 KB Output is correct
55 Correct 422 ms 2912 KB Output is correct
56 Correct 193 ms 1656 KB Output is correct
57 Correct 450 ms 3128 KB Output is correct
58 Correct 245 ms 1784 KB Output is correct
59 Incorrect 310 ms 2140 KB Output isn't correct
60 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 1 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 1 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 1 ms 376 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 4 ms 504 KB Output is correct
22 Correct 4 ms 504 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 6 ms 404 KB Output is correct
25 Correct 9 ms 504 KB Output is correct
26 Correct 10 ms 504 KB Output is correct
27 Correct 6 ms 504 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 7 ms 504 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 9 ms 632 KB Output is correct
32 Correct 6 ms 504 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 6 ms 504 KB Output is correct
36 Correct 7 ms 504 KB Output is correct
37 Correct 45 ms 760 KB Output is correct
38 Correct 45 ms 840 KB Output is correct
39 Correct 15 ms 1400 KB Output is correct
40 Correct 100 ms 1104 KB Output is correct
41 Correct 19 ms 1528 KB Output is correct
42 Correct 87 ms 1020 KB Output is correct
43 Correct 149 ms 1656 KB Output is correct
44 Correct 157 ms 1576 KB Output is correct
45 Correct 160 ms 1656 KB Output is correct
46 Correct 56 ms 1020 KB Output is correct
47 Correct 94 ms 1144 KB Output is correct
48 Correct 141 ms 1628 KB Output is correct
49 Correct 95 ms 1500 KB Output is correct
50 Correct 96 ms 1064 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 203 ms 2040 KB Output is correct
53 Correct 159 ms 1464 KB Output is correct
54 Correct 224 ms 1664 KB Output is correct
55 Correct 422 ms 2912 KB Output is correct
56 Correct 193 ms 1656 KB Output is correct
57 Correct 450 ms 3128 KB Output is correct
58 Correct 245 ms 1784 KB Output is correct
59 Incorrect 310 ms 2140 KB Output isn't correct
60 Halted 0 ms 0 KB -