oj.uz

Submission #671837

# Submission time Handle Problem Language Result Execution time Memory
671837 2022-12-14T04:15:45 Z Alihan_8 Bootfall (IZhO17_bootfall) C++17
100 / 100
 556 ms 3400 KB 
#include <bits/stdc++.h>
// include <ext/pb_ds/assoc_container.hpp>
// include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
using namespace std;
#define all(x) x.begin(), x.end()
#define pb push_back
// define ordered_set tree<int,null_type,less_equal<int>,rb_tree_tag,tree_order_statistics_node_update>
#define mpr make_pair
#define ln '\n'
void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
//#define int long long
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n; cin >> n;
    vector <int> p(n);
    for ( auto &i: p ) cin >> i;
    int sum = accumulate(all(p), 0);
    vector <int> dp(sum+1); dp[0] = 1;
    for ( auto val: p ){
        for ( int j = sum; j >= val; j-- ) dp[j] += dp[j-val];
    }
    if ( sum & 1 or !dp[sum >> 1] ){
        cout << "0\n";
        return 0;
    }
    vector <int> cnt(sum+1), ans;
    for ( auto val: p ){
        for ( int j = val; j <= sum; j++ ) dp[j] -= dp[j-val];
        for ( int i = 1; i <= sum-val; i++ ){
            int cur = sum-val+i;
            if ( cur & 1 or !dp[cur/2-i] ) continue;
            if ( ++cnt[i] == n ) ans.pb(i);
        }
        for ( int j = sum; j >= val; j-- ) dp[j] += dp[j-val];
    }
    cout << (int)ans.size() << ln;
    for ( auto i: ans ) cout << i << ' ';

    cout << '\n';
}

Compilation message

bootfall.cpp: In function 'void IO(std::string)':
bootfall.cpp:11:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 | void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bootfall.cpp:11:70: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 | void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                                                               ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

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

Subtask #2
7.0 / 7.0

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

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 5 ms 388 KB Output is correct
26 Correct 5 ms 388 KB Output is correct
27 Correct 4 ms 340 KB Output is correct
28 Correct 4 ms 340 KB Output is correct
29 Correct 5 ms 392 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 5 ms 372 KB Output is correct
32 Correct 3 ms 340 KB Output is correct
33 Correct 5 ms 396 KB Output is correct
34 Correct 4 ms 340 KB Output is correct
35 Correct 4 ms 340 KB Output is correct
36 Correct 3 ms 340 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 5 ms 388 KB Output is correct
26 Correct 5 ms 388 KB Output is correct
27 Correct 4 ms 340 KB Output is correct
28 Correct 4 ms 340 KB Output is correct
29 Correct 5 ms 392 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 5 ms 372 KB Output is correct
32 Correct 3 ms 340 KB Output is correct
33 Correct 5 ms 396 KB Output is correct
34 Correct 4 ms 340 KB Output is correct
35 Correct 4 ms 340 KB Output is correct
36 Correct 3 ms 340 KB Output is correct
37 Correct 19 ms 584 KB Output is correct
38 Correct 19 ms 600 KB Output is correct
39 Correct 61 ms 704 KB Output is correct
40 Correct 41 ms 688 KB Output is correct
41 Correct 81 ms 884 KB Output is correct
42 Correct 36 ms 680 KB Output is correct
43 Correct 62 ms 1012 KB Output is correct
44 Correct 64 ms 1024 KB Output is correct
45 Correct 66 ms 1028 KB Output is correct
46 Correct 36 ms 448 KB Output is correct
47 Correct 38 ms 700 KB Output is correct
48 Correct 74 ms 1064 KB Output is correct
49 Correct 66 ms 800 KB Output is correct
50 Correct 39 ms 688 KB Output is correct
51 Correct 4 ms 340 KB Output is correct
52 Correct 86 ms 1232 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 5 ms 388 KB Output is correct
26 Correct 5 ms 388 KB Output is correct
27 Correct 4 ms 340 KB Output is correct
28 Correct 4 ms 340 KB Output is correct
29 Correct 5 ms 392 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 5 ms 372 KB Output is correct
32 Correct 3 ms 340 KB Output is correct
33 Correct 5 ms 396 KB Output is correct
34 Correct 4 ms 340 KB Output is correct
35 Correct 4 ms 340 KB Output is correct
36 Correct 3 ms 340 KB Output is correct
37 Correct 19 ms 584 KB Output is correct
38 Correct 19 ms 600 KB Output is correct
39 Correct 61 ms 704 KB Output is correct
40 Correct 41 ms 688 KB Output is correct
41 Correct 81 ms 884 KB Output is correct
42 Correct 36 ms 680 KB Output is correct
43 Correct 62 ms 1012 KB Output is correct
44 Correct 64 ms 1024 KB Output is correct
45 Correct 66 ms 1028 KB Output is correct
46 Correct 36 ms 448 KB Output is correct
47 Correct 38 ms 700 KB Output is correct
48 Correct 74 ms 1064 KB Output is correct
49 Correct 66 ms 800 KB Output is correct
50 Correct 39 ms 688 KB Output is correct
51 Correct 4 ms 340 KB Output is correct
52 Correct 86 ms 1232 KB Output is correct
53 Correct 65 ms 928 KB Output is correct
54 Correct 100 ms 1148 KB Output is correct
55 Correct 178 ms 1708 KB Output is correct
56 Correct 80 ms 1100 KB Output is correct
57 Correct 185 ms 1796 KB Output is correct
58 Correct 101 ms 1204 KB Output is correct
59 Correct 122 ms 1316 KB Output is correct
60 Correct 11 ms 468 KB Output is correct
61 Correct 138 ms 1500 KB Output is correct
62 Correct 141 ms 1616 KB Output is correct
63 Correct 154 ms 1640 KB Output is correct
64 Correct 148 ms 1616 KB Output is correct
65 Correct 67 ms 692 KB Output is correct
66 Correct 69 ms 736 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 5 ms 388 KB Output is correct
26 Correct 5 ms 388 KB Output is correct
27 Correct 4 ms 340 KB Output is correct
28 Correct 4 ms 340 KB Output is correct
29 Correct 5 ms 392 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 5 ms 372 KB Output is correct
32 Correct 3 ms 340 KB Output is correct
33 Correct 5 ms 396 KB Output is correct
34 Correct 4 ms 340 KB Output is correct
35 Correct 4 ms 340 KB Output is correct
36 Correct 3 ms 340 KB Output is correct
37 Correct 19 ms 584 KB Output is correct
38 Correct 19 ms 600 KB Output is correct
39 Correct 61 ms 704 KB Output is correct
40 Correct 41 ms 688 KB Output is correct
41 Correct 81 ms 884 KB Output is correct
42 Correct 36 ms 680 KB Output is correct
43 Correct 62 ms 1012 KB Output is correct
44 Correct 64 ms 1024 KB Output is correct
45 Correct 66 ms 1028 KB Output is correct
46 Correct 36 ms 448 KB Output is correct
47 Correct 38 ms 700 KB Output is correct
48 Correct 74 ms 1064 KB Output is correct
49 Correct 66 ms 800 KB Output is correct
50 Correct 39 ms 688 KB Output is correct
51 Correct 4 ms 340 KB Output is correct
52 Correct 86 ms 1232 KB Output is correct
53 Correct 65 ms 928 KB Output is correct
54 Correct 100 ms 1148 KB Output is correct
55 Correct 178 ms 1708 KB Output is correct
56 Correct 80 ms 1100 KB Output is correct
57 Correct 185 ms 1796 KB Output is correct
58 Correct 101 ms 1204 KB Output is correct
59 Correct 122 ms 1316 KB Output is correct
60 Correct 11 ms 468 KB Output is correct
61 Correct 138 ms 1500 KB Output is correct
62 Correct 141 ms 1616 KB Output is correct
63 Correct 154 ms 1640 KB Output is correct
64 Correct 148 ms 1616 KB Output is correct
65 Correct 67 ms 692 KB Output is correct
66 Correct 69 ms 736 KB Output is correct
67 Correct 151 ms 1460 KB Output is correct
68 Correct 30 ms 724 KB Output is correct
69 Correct 481 ms 3116 KB Output is correct
70 Correct 300 ms 2124 KB Output is correct
71 Correct 287 ms 1928 KB Output is correct
72 Correct 282 ms 1220 KB Output is correct
73 Correct 291 ms 1288 KB Output is correct
74 Correct 514 ms 3212 KB Output is correct
75 Correct 397 ms 2700 KB Output is correct
76 Correct 556 ms 3400 KB Output is correct
77 Correct 537 ms 3400 KB Output is correct