oj.uz

Submission #92777

# Submission time Handle Problem Language Result Execution time Memory
92777 2019-01-04T13:45:15 Z toloraia Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 4728 KB 
#include <bits/stdc++.h>
#define ll long long int
#pragma GCC("Ofast")
using namespace std;

const int N = 505, M = 260010;
const int B = 1e9 + 7;

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")

Subtask #1
6.0 / 6.0

# 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 2 ms 420 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 380 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct

Subtask #2
7.0 / 7.0

# 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 2 ms 420 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 380 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 376 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

Subtask #3
15.0 / 15.0

# 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 2 ms 420 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 380 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 376 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 376 KB Output is correct
22 Correct 4 ms 504 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 6 ms 504 KB Output is correct
25 Correct 9 ms 508 KB Output is correct
26 Correct 10 ms 632 KB Output is correct
27 Correct 7 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 2 ms 376 KB Output is correct
31 Correct 10 ms 504 KB Output is correct
32 Correct 7 ms 504 KB Output is correct
33 Correct 3 ms 504 KB Output is correct
34 Correct 3 ms 504 KB Output is correct
35 Correct 6 ms 504 KB Output is correct
36 Correct 7 ms 476 KB Output is correct

Subtask #4
16.0 / 16.0

# 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 2 ms 420 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 380 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 376 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 376 KB Output is correct
22 Correct 4 ms 504 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 6 ms 504 KB Output is correct
25 Correct 9 ms 508 KB Output is correct
26 Correct 10 ms 632 KB Output is correct
27 Correct 7 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 2 ms 376 KB Output is correct
31 Correct 10 ms 504 KB Output is correct
32 Correct 7 ms 504 KB Output is correct
33 Correct 3 ms 504 KB Output is correct
34 Correct 3 ms 504 KB Output is correct
35 Correct 6 ms 504 KB Output is correct
36 Correct 7 ms 476 KB Output is correct
37 Correct 44 ms 760 KB Output is correct
38 Correct 47 ms 860 KB Output is correct
39 Correct 15 ms 1400 KB Output is correct
40 Correct 103 ms 1144 KB Output is correct
41 Correct 19 ms 1528 KB Output is correct
42 Correct 89 ms 1020 KB Output is correct
43 Correct 148 ms 1656 KB Output is correct
44 Correct 153 ms 1656 KB Output is correct
45 Correct 155 ms 1628 KB Output is correct
46 Correct 58 ms 1016 KB Output is correct
47 Correct 94 ms 1144 KB Output is correct
48 Correct 141 ms 1656 KB Output is correct
49 Correct 94 ms 1516 KB Output is correct
50 Correct 96 ms 1144 KB Output is correct
51 Correct 2 ms 256 KB Output is correct
52 Correct 199 ms 1912 KB Output is correct

Subtask #5
21.0 / 21.0

# 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 2 ms 420 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 380 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 376 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 376 KB Output is correct
22 Correct 4 ms 504 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 6 ms 504 KB Output is correct
25 Correct 9 ms 508 KB Output is correct
26 Correct 10 ms 632 KB Output is correct
27 Correct 7 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 2 ms 376 KB Output is correct
31 Correct 10 ms 504 KB Output is correct
32 Correct 7 ms 504 KB Output is correct
33 Correct 3 ms 504 KB Output is correct
34 Correct 3 ms 504 KB Output is correct
35 Correct 6 ms 504 KB Output is correct
36 Correct 7 ms 476 KB Output is correct
37 Correct 44 ms 760 KB Output is correct
38 Correct 47 ms 860 KB Output is correct
39 Correct 15 ms 1400 KB Output is correct
40 Correct 103 ms 1144 KB Output is correct
41 Correct 19 ms 1528 KB Output is correct
42 Correct 89 ms 1020 KB Output is correct
43 Correct 148 ms 1656 KB Output is correct
44 Correct 153 ms 1656 KB Output is correct
45 Correct 155 ms 1628 KB Output is correct
46 Correct 58 ms 1016 KB Output is correct
47 Correct 94 ms 1144 KB Output is correct
48 Correct 141 ms 1656 KB Output is correct
49 Correct 94 ms 1516 KB Output is correct
50 Correct 96 ms 1144 KB Output is correct
51 Correct 2 ms 256 KB Output is correct
52 Correct 199 ms 1912 KB Output is correct
53 Correct 161 ms 1400 KB Output is correct
54 Correct 222 ms 1628 KB Output is correct
55 Correct 416 ms 2920 KB Output is correct
56 Correct 193 ms 1656 KB Output is correct
57 Correct 452 ms 3100 KB Output is correct
58 Correct 246 ms 1784 KB Output is correct
59 Correct 306 ms 2140 KB Output is correct
60 Correct 2 ms 380 KB Output is correct
61 Correct 356 ms 2396 KB Output is correct
62 Correct 346 ms 2552 KB Output is correct
63 Correct 373 ms 2680 KB Output is correct
64 Correct 363 ms 2812 KB Output is correct
65 Correct 31 ms 1144 KB Output is correct
66 Correct 61 ms 1272 KB Output is correct

Subtask #6
0 / 35.0

# 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 2 ms 420 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 380 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 376 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 376 KB Output is correct
22 Correct 4 ms 504 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 6 ms 504 KB Output is correct
25 Correct 9 ms 508 KB Output is correct
26 Correct 10 ms 632 KB Output is correct
27 Correct 7 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 2 ms 376 KB Output is correct
31 Correct 10 ms 504 KB Output is correct
32 Correct 7 ms 504 KB Output is correct
33 Correct 3 ms 504 KB Output is correct
34 Correct 3 ms 504 KB Output is correct
35 Correct 6 ms 504 KB Output is correct
36 Correct 7 ms 476 KB Output is correct
37 Correct 44 ms 760 KB Output is correct
38 Correct 47 ms 860 KB Output is correct
39 Correct 15 ms 1400 KB Output is correct
40 Correct 103 ms 1144 KB Output is correct
41 Correct 19 ms 1528 KB Output is correct
42 Correct 89 ms 1020 KB Output is correct
43 Correct 148 ms 1656 KB Output is correct
44 Correct 153 ms 1656 KB Output is correct
45 Correct 155 ms 1628 KB Output is correct
46 Correct 58 ms 1016 KB Output is correct
47 Correct 94 ms 1144 KB Output is correct
48 Correct 141 ms 1656 KB Output is correct
49 Correct 94 ms 1516 KB Output is correct
50 Correct 96 ms 1144 KB Output is correct
51 Correct 2 ms 256 KB Output is correct
52 Correct 199 ms 1912 KB Output is correct
53 Correct 161 ms 1400 KB Output is correct
54 Correct 222 ms 1628 KB Output is correct
55 Correct 416 ms 2920 KB Output is correct
56 Correct 193 ms 1656 KB Output is correct
57 Correct 452 ms 3100 KB Output is correct
58 Correct 246 ms 1784 KB Output is correct
59 Correct 306 ms 2140 KB Output is correct
60 Correct 2 ms 380 KB Output is correct
61 Correct 356 ms 2396 KB Output is correct
62 Correct 346 ms 2552 KB Output is correct
63 Correct 373 ms 2680 KB Output is correct
64 Correct 363 ms 2812 KB Output is correct
65 Correct 31 ms 1144 KB Output is correct
66 Correct 61 ms 1272 KB Output is correct
67 Correct 382 ms 2192 KB Output is correct
68 Correct 53 ms 988 KB Output is correct
69 Execution timed out 1082 ms 4728 KB Time limit exceeded
70 Halted 0 ms 0 KB -