oj.uz

Submission #452005

# Submission time Handle Problem Language Result Execution time Memory
452005 2021-08-03T15:54:07 Z dxz05 Bootfall (IZhO17_bootfall) C++14
44 / 100
 1000 ms 1072 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 = 500*500 + 1;
    bitset<MAXX> b;
    b[0] = 1;
    int sum = 0;
    for (int i = 1; i <= n; i++){
        cin >> a[i];
        sum += a[i];
        b |= b << a[i];
    }

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

    for (int i = 1; i <= n; i++){
        b.reset();
        b[0] = 1;
        for (int j = 1; j <= n; j++){
            if (i != j) b |= b << a[j];
        }
        for (int j = 1; j < MAXX; 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 384 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 3 ms 416 KB Output is correct
5 Correct 7 ms 420 KB Output is correct
6 Correct 5 ms 416 KB Output is correct
7 Correct 3 ms 332 KB Output is correct
8 Correct 6 ms 332 KB Output is correct
9 Correct 5 ms 424 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 3 ms 416 KB Output is correct
5 Correct 7 ms 420 KB Output is correct
6 Correct 5 ms 416 KB Output is correct
7 Correct 3 ms 332 KB Output is correct
8 Correct 6 ms 332 KB Output is correct
9 Correct 5 ms 424 KB Output is correct
10 Correct 25 ms 332 KB Output is correct
11 Correct 18 ms 416 KB Output is correct
12 Correct 18 ms 332 KB Output is correct
13 Correct 15 ms 416 KB Output is correct
14 Correct 16 ms 416 KB Output is correct
15 Correct 19 ms 332 KB Output is correct
16 Correct 18 ms 416 KB Output is correct
17 Correct 13 ms 412 KB Output is correct
18 Correct 14 ms 332 KB Output is correct
19 Correct 15 ms 416 KB Output is correct
20 Correct 19 ms 332 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 3 ms 416 KB Output is correct
5 Correct 7 ms 420 KB Output is correct
6 Correct 5 ms 416 KB Output is correct
7 Correct 3 ms 332 KB Output is correct
8 Correct 6 ms 332 KB Output is correct
9 Correct 5 ms 424 KB Output is correct
10 Correct 25 ms 332 KB Output is correct
11 Correct 18 ms 416 KB Output is correct
12 Correct 18 ms 332 KB Output is correct
13 Correct 15 ms 416 KB Output is correct
14 Correct 16 ms 416 KB Output is correct
15 Correct 19 ms 332 KB Output is correct
16 Correct 18 ms 416 KB Output is correct
17 Correct 13 ms 412 KB Output is correct
18 Correct 14 ms 332 KB Output is correct
19 Correct 15 ms 416 KB Output is correct
20 Correct 19 ms 332 KB Output is correct
21 Correct 55 ms 404 KB Output is correct
22 Correct 70 ms 544 KB Output is correct
23 Correct 41 ms 416 KB Output is correct
24 Correct 99 ms 424 KB Output is correct
25 Correct 127 ms 444 KB Output is correct
26 Correct 127 ms 452 KB Output is correct
27 Correct 108 ms 428 KB Output is correct
28 Correct 111 ms 432 KB Output is correct
29 Correct 107 ms 452 KB Output is correct
30 Correct 114 ms 332 KB Output is correct
31 Correct 108 ms 468 KB Output is correct
32 Correct 109 ms 412 KB Output is correct
33 Correct 108 ms 440 KB Output is correct
34 Correct 119 ms 332 KB Output is correct
35 Correct 111 ms 332 KB Output is correct
36 Correct 108 ms 412 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 3 ms 416 KB Output is correct
5 Correct 7 ms 420 KB Output is correct
6 Correct 5 ms 416 KB Output is correct
7 Correct 3 ms 332 KB Output is correct
8 Correct 6 ms 332 KB Output is correct
9 Correct 5 ms 424 KB Output is correct
10 Correct 25 ms 332 KB Output is correct
11 Correct 18 ms 416 KB Output is correct
12 Correct 18 ms 332 KB Output is correct
13 Correct 15 ms 416 KB Output is correct
14 Correct 16 ms 416 KB Output is correct
15 Correct 19 ms 332 KB Output is correct
16 Correct 18 ms 416 KB Output is correct
17 Correct 13 ms 412 KB Output is correct
18 Correct 14 ms 332 KB Output is correct
19 Correct 15 ms 416 KB Output is correct
20 Correct 19 ms 332 KB Output is correct
21 Correct 55 ms 404 KB Output is correct
22 Correct 70 ms 544 KB Output is correct
23 Correct 41 ms 416 KB Output is correct
24 Correct 99 ms 424 KB Output is correct
25 Correct 127 ms 444 KB Output is correct
26 Correct 127 ms 452 KB Output is correct
27 Correct 108 ms 428 KB Output is correct
28 Correct 111 ms 432 KB Output is correct
29 Correct 107 ms 452 KB Output is correct
30 Correct 114 ms 332 KB Output is correct
31 Correct 108 ms 468 KB Output is correct
32 Correct 109 ms 412 KB Output is correct
33 Correct 108 ms 440 KB Output is correct
34 Correct 119 ms 332 KB Output is correct
35 Correct 111 ms 332 KB Output is correct
36 Correct 108 ms 412 KB Output is correct
37 Correct 362 ms 608 KB Output is correct
38 Correct 366 ms 584 KB Output is correct
39 Correct 525 ms 652 KB Output is correct
40 Correct 620 ms 660 KB Output is correct
41 Correct 628 ms 696 KB Output is correct
42 Correct 541 ms 656 KB Output is correct
43 Correct 518 ms 1000 KB Output is correct
44 Correct 556 ms 1004 KB Output is correct
45 Correct 544 ms 964 KB Output is correct
46 Correct 628 ms 580 KB Output is correct
47 Correct 544 ms 660 KB Output is correct
48 Correct 542 ms 896 KB Output is correct
49 Correct 571 ms 708 KB Output is correct
50 Correct 550 ms 668 KB Output is correct
51 Correct 2 ms 332 KB Output is correct
52 Correct 627 ms 1072 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 3 ms 416 KB Output is correct
5 Correct 7 ms 420 KB Output is correct
6 Correct 5 ms 416 KB Output is correct
7 Correct 3 ms 332 KB Output is correct
8 Correct 6 ms 332 KB Output is correct
9 Correct 5 ms 424 KB Output is correct
10 Correct 25 ms 332 KB Output is correct
11 Correct 18 ms 416 KB Output is correct
12 Correct 18 ms 332 KB Output is correct
13 Correct 15 ms 416 KB Output is correct
14 Correct 16 ms 416 KB Output is correct
15 Correct 19 ms 332 KB Output is correct
16 Correct 18 ms 416 KB Output is correct
17 Correct 13 ms 412 KB Output is correct
18 Correct 14 ms 332 KB Output is correct
19 Correct 15 ms 416 KB Output is correct
20 Correct 19 ms 332 KB Output is correct
21 Correct 55 ms 404 KB Output is correct
22 Correct 70 ms 544 KB Output is correct
23 Correct 41 ms 416 KB Output is correct
24 Correct 99 ms 424 KB Output is correct
25 Correct 127 ms 444 KB Output is correct
26 Correct 127 ms 452 KB Output is correct
27 Correct 108 ms 428 KB Output is correct
28 Correct 111 ms 432 KB Output is correct
29 Correct 107 ms 452 KB Output is correct
30 Correct 114 ms 332 KB Output is correct
31 Correct 108 ms 468 KB Output is correct
32 Correct 109 ms 412 KB Output is correct
33 Correct 108 ms 440 KB Output is correct
34 Correct 119 ms 332 KB Output is correct
35 Correct 111 ms 332 KB Output is correct
36 Correct 108 ms 412 KB Output is correct
37 Correct 362 ms 608 KB Output is correct
38 Correct 366 ms 584 KB Output is correct
39 Correct 525 ms 652 KB Output is correct
40 Correct 620 ms 660 KB Output is correct
41 Correct 628 ms 696 KB Output is correct
42 Correct 541 ms 656 KB Output is correct
43 Correct 518 ms 1000 KB Output is correct
44 Correct 556 ms 1004 KB Output is correct
45 Correct 544 ms 964 KB Output is correct
46 Correct 628 ms 580 KB Output is correct
47 Correct 544 ms 660 KB Output is correct
48 Correct 542 ms 896 KB Output is correct
49 Correct 571 ms 708 KB Output is correct
50 Correct 550 ms 668 KB Output is correct
51 Correct 2 ms 332 KB Output is correct
52 Correct 627 ms 1072 KB Output is correct
53 Correct 760 ms 832 KB Output is correct
54 Execution timed out 1048 ms 1004 KB Time limit exceeded
55 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 3 ms 416 KB Output is correct
5 Correct 7 ms 420 KB Output is correct
6 Correct 5 ms 416 KB Output is correct
7 Correct 3 ms 332 KB Output is correct
8 Correct 6 ms 332 KB Output is correct
9 Correct 5 ms 424 KB Output is correct
10 Correct 25 ms 332 KB Output is correct
11 Correct 18 ms 416 KB Output is correct
12 Correct 18 ms 332 KB Output is correct
13 Correct 15 ms 416 KB Output is correct
14 Correct 16 ms 416 KB Output is correct
15 Correct 19 ms 332 KB Output is correct
16 Correct 18 ms 416 KB Output is correct
17 Correct 13 ms 412 KB Output is correct
18 Correct 14 ms 332 KB Output is correct
19 Correct 15 ms 416 KB Output is correct
20 Correct 19 ms 332 KB Output is correct
21 Correct 55 ms 404 KB Output is correct
22 Correct 70 ms 544 KB Output is correct
23 Correct 41 ms 416 KB Output is correct
24 Correct 99 ms 424 KB Output is correct
25 Correct 127 ms 444 KB Output is correct
26 Correct 127 ms 452 KB Output is correct
27 Correct 108 ms 428 KB Output is correct
28 Correct 111 ms 432 KB Output is correct
29 Correct 107 ms 452 KB Output is correct
30 Correct 114 ms 332 KB Output is correct
31 Correct 108 ms 468 KB Output is correct
32 Correct 109 ms 412 KB Output is correct
33 Correct 108 ms 440 KB Output is correct
34 Correct 119 ms 332 KB Output is correct
35 Correct 111 ms 332 KB Output is correct
36 Correct 108 ms 412 KB Output is correct
37 Correct 362 ms 608 KB Output is correct
38 Correct 366 ms 584 KB Output is correct
39 Correct 525 ms 652 KB Output is correct
40 Correct 620 ms 660 KB Output is correct
41 Correct 628 ms 696 KB Output is correct
42 Correct 541 ms 656 KB Output is correct
43 Correct 518 ms 1000 KB Output is correct
44 Correct 556 ms 1004 KB Output is correct
45 Correct 544 ms 964 KB Output is correct
46 Correct 628 ms 580 KB Output is correct
47 Correct 544 ms 660 KB Output is correct
48 Correct 542 ms 896 KB Output is correct
49 Correct 571 ms 708 KB Output is correct
50 Correct 550 ms 668 KB Output is correct
51 Correct 2 ms 332 KB Output is correct
52 Correct 627 ms 1072 KB Output is correct
53 Correct 760 ms 832 KB Output is correct
54 Execution timed out 1048 ms 1004 KB Time limit exceeded
55 Halted 0 ms 0 KB -