oj.uz

Submission #452022

# Submission time Handle Problem Language Result Execution time Memory
452022 2021-08-03T16:15:50 Z dxz05 Bootfall (IZhO17_bootfall) C++14
44 / 100
 1000 ms 1472 KB 
#pragma GCC optimize("Ofast,O2,O3")
#pragma GCC target("avx2")

#include <bits/stdc++.h>

using namespace std;

void debug_out() { cerr << endl; }

template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
    cerr << "[" << H << "]";
    debug_out(T...);
}

#ifdef dddxxz
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

#define SZ(s) ((int)s.size())
#define all(x) (x).begin(), (x).end()
#define revall(x) (x).rbegin(), (x).rend()

clock_t startTime;

double getCurrentTime() {
    return (double) (clock() - startTime) / CLOCKS_PER_SEC;
}

#define MP make_pair

typedef long long ll;
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
const double eps = 0.00001;
const int MOD = 1e9;
const int INF = 1000000101;
const long long LLINF = 1223372000000000555;
const int N = 2e6 + 3e2;
const int M = 1024;

int a[N];
int cnt[N];
void solve(int TC) {
    int n;
    cin >> n;

    const int MAXX = 2 * 500*500 + 50;
    bitset<MAXX> bb;
    bb[0] = 1;
    int sum = 0;
    for (int i = 1; i <= n; i++){
        cin >> a[i];
        sum += a[i];
        bb |= bb << a[i];
    }

    if (sum % 2 || !bb[sum / 2]){
        cout << 0;
        return;
    }

    for (int i = 1; i <= n; i++){
        bitset<MAXX/2> b;
        b[0] = 1;
        for (int j = 1; j <= n; j++){
            if (i != j) b |= b << a[j];
        }
        for (int j = 1; j < MAXX / 2; j++){
            int x = 2 * j - sum + a[i];
            if (b[j] && x > 0) cnt[x]++;
        }
    }

    vector<int> ans;
    for (int i = 1; i < MAXX; i++){
        if (cnt[i] == n) ans.push_back(i);
    }

    cout << ans.size() << endl;
    for (int x : ans) cout << x << ' ';

}

int main() {
    startTime = clock();
    cin.tie(nullptr);
    cout.tie(nullptr);
    ios_base::sync_with_stdio(false);

    bool llololcal = false;
#ifdef dddxxz
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    llololcal = true;
#endif

    int TC = 1;
    //cin >> TC;

    for (int test = 1; test <= TC; test++) {
        debug(test);
        //cout << "Case #" << test << ": ";
        solve(test);
    }

    if (llololcal) cerr << endl << "Time: " << int(getCurrentTime() * 1000) << " ms" << endl;

    return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:19:20: warning: statement has no effect [-Wunused-value]
   19 | #define debug(...) 42
      |                    ^~
bootfall.cpp:103:9: note: in expansion of macro 'debug'
  103 |         debug(test);
      |         ^~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 460 KB Output is correct
2 Correct 3 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 6 ms 460 KB Output is correct
6 Correct 4 ms 532 KB Output is correct
7 Correct 3 ms 460 KB Output is correct
8 Correct 5 ms 540 KB Output is correct
9 Correct 5 ms 460 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 460 KB Output is correct
2 Correct 3 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 6 ms 460 KB Output is correct
6 Correct 4 ms 532 KB Output is correct
7 Correct 3 ms 460 KB Output is correct
8 Correct 5 ms 540 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 16 ms 588 KB Output is correct
11 Correct 17 ms 536 KB Output is correct
12 Correct 16 ms 460 KB Output is correct
13 Correct 13 ms 460 KB Output is correct
14 Correct 14 ms 460 KB Output is correct
15 Correct 15 ms 540 KB Output is correct
16 Correct 15 ms 536 KB Output is correct
17 Correct 9 ms 540 KB Output is correct
18 Correct 12 ms 460 KB Output is correct
19 Correct 13 ms 532 KB Output is correct
20 Correct 16 ms 540 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 460 KB Output is correct
2 Correct 3 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 6 ms 460 KB Output is correct
6 Correct 4 ms 532 KB Output is correct
7 Correct 3 ms 460 KB Output is correct
8 Correct 5 ms 540 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 16 ms 588 KB Output is correct
11 Correct 17 ms 536 KB Output is correct
12 Correct 16 ms 460 KB Output is correct
13 Correct 13 ms 460 KB Output is correct
14 Correct 14 ms 460 KB Output is correct
15 Correct 15 ms 540 KB Output is correct
16 Correct 15 ms 536 KB Output is correct
17 Correct 9 ms 540 KB Output is correct
18 Correct 12 ms 460 KB Output is correct
19 Correct 13 ms 532 KB Output is correct
20 Correct 16 ms 540 KB Output is correct
21 Correct 49 ms 544 KB Output is correct
22 Correct 65 ms 544 KB Output is correct
23 Correct 32 ms 540 KB Output is correct
24 Correct 90 ms 548 KB Output is correct
25 Correct 89 ms 568 KB Output is correct
26 Correct 101 ms 564 KB Output is correct
27 Correct 118 ms 552 KB Output is correct
28 Correct 106 ms 560 KB Output is correct
29 Correct 100 ms 556 KB Output is correct
30 Correct 99 ms 460 KB Output is correct
31 Correct 98 ms 560 KB Output is correct
32 Correct 98 ms 540 KB Output is correct
33 Correct 100 ms 556 KB Output is correct
34 Correct 100 ms 556 KB Output is correct
35 Correct 99 ms 560 KB Output is correct
36 Correct 99 ms 460 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 460 KB Output is correct
2 Correct 3 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 6 ms 460 KB Output is correct
6 Correct 4 ms 532 KB Output is correct
7 Correct 3 ms 460 KB Output is correct
8 Correct 5 ms 540 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 16 ms 588 KB Output is correct
11 Correct 17 ms 536 KB Output is correct
12 Correct 16 ms 460 KB Output is correct
13 Correct 13 ms 460 KB Output is correct
14 Correct 14 ms 460 KB Output is correct
15 Correct 15 ms 540 KB Output is correct
16 Correct 15 ms 536 KB Output is correct
17 Correct 9 ms 540 KB Output is correct
18 Correct 12 ms 460 KB Output is correct
19 Correct 13 ms 532 KB Output is correct
20 Correct 16 ms 540 KB Output is correct
21 Correct 49 ms 544 KB Output is correct
22 Correct 65 ms 544 KB Output is correct
23 Correct 32 ms 540 KB Output is correct
24 Correct 90 ms 548 KB Output is correct
25 Correct 89 ms 568 KB Output is correct
26 Correct 101 ms 564 KB Output is correct
27 Correct 118 ms 552 KB Output is correct
28 Correct 106 ms 560 KB Output is correct
29 Correct 100 ms 556 KB Output is correct
30 Correct 99 ms 460 KB Output is correct
31 Correct 98 ms 560 KB Output is correct
32 Correct 98 ms 540 KB Output is correct
33 Correct 100 ms 556 KB Output is correct
34 Correct 100 ms 556 KB Output is correct
35 Correct 99 ms 560 KB Output is correct
36 Correct 99 ms 460 KB Output is correct
37 Correct 370 ms 724 KB Output is correct
38 Correct 345 ms 720 KB Output is correct
39 Correct 518 ms 772 KB Output is correct
40 Correct 604 ms 772 KB Output is correct
41 Correct 616 ms 804 KB Output is correct
42 Correct 518 ms 764 KB Output is correct
43 Correct 501 ms 1116 KB Output is correct
44 Correct 506 ms 1044 KB Output is correct
45 Correct 525 ms 1128 KB Output is correct
46 Correct 593 ms 656 KB Output is correct
47 Correct 574 ms 780 KB Output is correct
48 Correct 549 ms 1016 KB Output is correct
49 Correct 517 ms 768 KB Output is correct
50 Correct 524 ms 780 KB Output is correct
51 Correct 4 ms 460 KB Output is correct
52 Correct 620 ms 1184 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 460 KB Output is correct
2 Correct 3 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 6 ms 460 KB Output is correct
6 Correct 4 ms 532 KB Output is correct
7 Correct 3 ms 460 KB Output is correct
8 Correct 5 ms 540 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 16 ms 588 KB Output is correct
11 Correct 17 ms 536 KB Output is correct
12 Correct 16 ms 460 KB Output is correct
13 Correct 13 ms 460 KB Output is correct
14 Correct 14 ms 460 KB Output is correct
15 Correct 15 ms 540 KB Output is correct
16 Correct 15 ms 536 KB Output is correct
17 Correct 9 ms 540 KB Output is correct
18 Correct 12 ms 460 KB Output is correct
19 Correct 13 ms 532 KB Output is correct
20 Correct 16 ms 540 KB Output is correct
21 Correct 49 ms 544 KB Output is correct
22 Correct 65 ms 544 KB Output is correct
23 Correct 32 ms 540 KB Output is correct
24 Correct 90 ms 548 KB Output is correct
25 Correct 89 ms 568 KB Output is correct
26 Correct 101 ms 564 KB Output is correct
27 Correct 118 ms 552 KB Output is correct
28 Correct 106 ms 560 KB Output is correct
29 Correct 100 ms 556 KB Output is correct
30 Correct 99 ms 460 KB Output is correct
31 Correct 98 ms 560 KB Output is correct
32 Correct 98 ms 540 KB Output is correct
33 Correct 100 ms 556 KB Output is correct
34 Correct 100 ms 556 KB Output is correct
35 Correct 99 ms 560 KB Output is correct
36 Correct 99 ms 460 KB Output is correct
37 Correct 370 ms 724 KB Output is correct
38 Correct 345 ms 720 KB Output is correct
39 Correct 518 ms 772 KB Output is correct
40 Correct 604 ms 772 KB Output is correct
41 Correct 616 ms 804 KB Output is correct
42 Correct 518 ms 764 KB Output is correct
43 Correct 501 ms 1116 KB Output is correct
44 Correct 506 ms 1044 KB Output is correct
45 Correct 525 ms 1128 KB Output is correct
46 Correct 593 ms 656 KB Output is correct
47 Correct 574 ms 780 KB Output is correct
48 Correct 549 ms 1016 KB Output is correct
49 Correct 517 ms 768 KB Output is correct
50 Correct 524 ms 780 KB Output is correct
51 Correct 4 ms 460 KB Output is correct
52 Correct 620 ms 1184 KB Output is correct
53 Correct 746 ms 956 KB Output is correct
54 Correct 997 ms 1092 KB Output is correct
55 Execution timed out 1002 ms 1472 KB Time limit exceeded
56 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 460 KB Output is correct
2 Correct 3 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 6 ms 460 KB Output is correct
6 Correct 4 ms 532 KB Output is correct
7 Correct 3 ms 460 KB Output is correct
8 Correct 5 ms 540 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 16 ms 588 KB Output is correct
11 Correct 17 ms 536 KB Output is correct
12 Correct 16 ms 460 KB Output is correct
13 Correct 13 ms 460 KB Output is correct
14 Correct 14 ms 460 KB Output is correct
15 Correct 15 ms 540 KB Output is correct
16 Correct 15 ms 536 KB Output is correct
17 Correct 9 ms 540 KB Output is correct
18 Correct 12 ms 460 KB Output is correct
19 Correct 13 ms 532 KB Output is correct
20 Correct 16 ms 540 KB Output is correct
21 Correct 49 ms 544 KB Output is correct
22 Correct 65 ms 544 KB Output is correct
23 Correct 32 ms 540 KB Output is correct
24 Correct 90 ms 548 KB Output is correct
25 Correct 89 ms 568 KB Output is correct
26 Correct 101 ms 564 KB Output is correct
27 Correct 118 ms 552 KB Output is correct
28 Correct 106 ms 560 KB Output is correct
29 Correct 100 ms 556 KB Output is correct
30 Correct 99 ms 460 KB Output is correct
31 Correct 98 ms 560 KB Output is correct
32 Correct 98 ms 540 KB Output is correct
33 Correct 100 ms 556 KB Output is correct
34 Correct 100 ms 556 KB Output is correct
35 Correct 99 ms 560 KB Output is correct
36 Correct 99 ms 460 KB Output is correct
37 Correct 370 ms 724 KB Output is correct
38 Correct 345 ms 720 KB Output is correct
39 Correct 518 ms 772 KB Output is correct
40 Correct 604 ms 772 KB Output is correct
41 Correct 616 ms 804 KB Output is correct
42 Correct 518 ms 764 KB Output is correct
43 Correct 501 ms 1116 KB Output is correct
44 Correct 506 ms 1044 KB Output is correct
45 Correct 525 ms 1128 KB Output is correct
46 Correct 593 ms 656 KB Output is correct
47 Correct 574 ms 780 KB Output is correct
48 Correct 549 ms 1016 KB Output is correct
49 Correct 517 ms 768 KB Output is correct
50 Correct 524 ms 780 KB Output is correct
51 Correct 4 ms 460 KB Output is correct
52 Correct 620 ms 1184 KB Output is correct
53 Correct 746 ms 956 KB Output is correct
54 Correct 997 ms 1092 KB Output is correct
55 Execution timed out 1002 ms 1472 KB Time limit exceeded
56 Halted 0 ms 0 KB -