oj.uz

Submission #452003

# Submission time Handle Problem Language Result Execution time Memory
452003 2021-08-03T15:53:19 Z dxz05 Bootfall (IZhO17_bootfall) C++14
65 / 100
 977 ms 1464 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 = 350*350 + 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 1 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 4 ms 332 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 3 ms 368 KB Output is correct
9 Correct 4 ms 332 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 4 ms 332 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 3 ms 368 KB Output is correct
9 Correct 4 ms 332 KB Output is correct
10 Correct 9 ms 372 KB Output is correct
11 Correct 9 ms 332 KB Output is correct
12 Correct 9 ms 332 KB Output is correct
13 Correct 10 ms 372 KB Output is correct
14 Correct 9 ms 332 KB Output is correct
15 Correct 8 ms 332 KB Output is correct
16 Correct 9 ms 332 KB Output is correct
17 Correct 8 ms 364 KB Output is correct
18 Correct 7 ms 332 KB Output is correct
19 Correct 8 ms 332 KB Output is correct
20 Correct 9 ms 332 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 4 ms 332 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 3 ms 368 KB Output is correct
9 Correct 4 ms 332 KB Output is correct
10 Correct 9 ms 372 KB Output is correct
11 Correct 9 ms 332 KB Output is correct
12 Correct 9 ms 332 KB Output is correct
13 Correct 10 ms 372 KB Output is correct
14 Correct 9 ms 332 KB Output is correct
15 Correct 8 ms 332 KB Output is correct
16 Correct 9 ms 332 KB Output is correct
17 Correct 8 ms 364 KB Output is correct
18 Correct 7 ms 332 KB Output is correct
19 Correct 8 ms 332 KB Output is correct
20 Correct 9 ms 332 KB Output is correct
21 Correct 27 ms 332 KB Output is correct
22 Correct 35 ms 376 KB Output is correct
23 Correct 18 ms 376 KB Output is correct
24 Correct 62 ms 364 KB Output is correct
25 Correct 48 ms 332 KB Output is correct
26 Correct 54 ms 396 KB Output is correct
27 Correct 54 ms 388 KB Output is correct
28 Correct 53 ms 380 KB Output is correct
29 Correct 63 ms 332 KB Output is correct
30 Correct 54 ms 364 KB Output is correct
31 Correct 54 ms 376 KB Output is correct
32 Correct 54 ms 376 KB Output is correct
33 Correct 54 ms 388 KB Output is correct
34 Correct 55 ms 332 KB Output is correct
35 Correct 55 ms 396 KB Output is correct
36 Correct 56 ms 372 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 4 ms 332 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 3 ms 368 KB Output is correct
9 Correct 4 ms 332 KB Output is correct
10 Correct 9 ms 372 KB Output is correct
11 Correct 9 ms 332 KB Output is correct
12 Correct 9 ms 332 KB Output is correct
13 Correct 10 ms 372 KB Output is correct
14 Correct 9 ms 332 KB Output is correct
15 Correct 8 ms 332 KB Output is correct
16 Correct 9 ms 332 KB Output is correct
17 Correct 8 ms 364 KB Output is correct
18 Correct 7 ms 332 KB Output is correct
19 Correct 8 ms 332 KB Output is correct
20 Correct 9 ms 332 KB Output is correct
21 Correct 27 ms 332 KB Output is correct
22 Correct 35 ms 376 KB Output is correct
23 Correct 18 ms 376 KB Output is correct
24 Correct 62 ms 364 KB Output is correct
25 Correct 48 ms 332 KB Output is correct
26 Correct 54 ms 396 KB Output is correct
27 Correct 54 ms 388 KB Output is correct
28 Correct 53 ms 380 KB Output is correct
29 Correct 63 ms 332 KB Output is correct
30 Correct 54 ms 364 KB Output is correct
31 Correct 54 ms 376 KB Output is correct
32 Correct 54 ms 376 KB Output is correct
33 Correct 54 ms 388 KB Output is correct
34 Correct 55 ms 332 KB Output is correct
35 Correct 55 ms 396 KB Output is correct
36 Correct 56 ms 372 KB Output is correct
37 Correct 180 ms 548 KB Output is correct
38 Correct 179 ms 552 KB Output is correct
39 Correct 263 ms 596 KB Output is correct
40 Correct 305 ms 620 KB Output is correct
41 Correct 309 ms 588 KB Output is correct
42 Correct 265 ms 596 KB Output is correct
43 Correct 256 ms 956 KB Output is correct
44 Correct 263 ms 972 KB Output is correct
45 Correct 280 ms 956 KB Output is correct
46 Correct 348 ms 480 KB Output is correct
47 Correct 278 ms 664 KB Output is correct
48 Correct 284 ms 848 KB Output is correct
49 Correct 298 ms 600 KB Output is correct
50 Correct 276 ms 608 KB Output is correct
51 Correct 2 ms 332 KB Output is correct
52 Correct 302 ms 1020 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 4 ms 332 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 3 ms 368 KB Output is correct
9 Correct 4 ms 332 KB Output is correct
10 Correct 9 ms 372 KB Output is correct
11 Correct 9 ms 332 KB Output is correct
12 Correct 9 ms 332 KB Output is correct
13 Correct 10 ms 372 KB Output is correct
14 Correct 9 ms 332 KB Output is correct
15 Correct 8 ms 332 KB Output is correct
16 Correct 9 ms 332 KB Output is correct
17 Correct 8 ms 364 KB Output is correct
18 Correct 7 ms 332 KB Output is correct
19 Correct 8 ms 332 KB Output is correct
20 Correct 9 ms 332 KB Output is correct
21 Correct 27 ms 332 KB Output is correct
22 Correct 35 ms 376 KB Output is correct
23 Correct 18 ms 376 KB Output is correct
24 Correct 62 ms 364 KB Output is correct
25 Correct 48 ms 332 KB Output is correct
26 Correct 54 ms 396 KB Output is correct
27 Correct 54 ms 388 KB Output is correct
28 Correct 53 ms 380 KB Output is correct
29 Correct 63 ms 332 KB Output is correct
30 Correct 54 ms 364 KB Output is correct
31 Correct 54 ms 376 KB Output is correct
32 Correct 54 ms 376 KB Output is correct
33 Correct 54 ms 388 KB Output is correct
34 Correct 55 ms 332 KB Output is correct
35 Correct 55 ms 396 KB Output is correct
36 Correct 56 ms 372 KB Output is correct
37 Correct 180 ms 548 KB Output is correct
38 Correct 179 ms 552 KB Output is correct
39 Correct 263 ms 596 KB Output is correct
40 Correct 305 ms 620 KB Output is correct
41 Correct 309 ms 588 KB Output is correct
42 Correct 265 ms 596 KB Output is correct
43 Correct 256 ms 956 KB Output is correct
44 Correct 263 ms 972 KB Output is correct
45 Correct 280 ms 956 KB Output is correct
46 Correct 348 ms 480 KB Output is correct
47 Correct 278 ms 664 KB Output is correct
48 Correct 284 ms 848 KB Output is correct
49 Correct 298 ms 600 KB Output is correct
50 Correct 276 ms 608 KB Output is correct
51 Correct 2 ms 332 KB Output is correct
52 Correct 302 ms 1020 KB Output is correct
53 Correct 378 ms 756 KB Output is correct
54 Correct 496 ms 952 KB Output is correct
55 Correct 504 ms 1300 KB Output is correct
56 Correct 394 ms 964 KB Output is correct
57 Correct 510 ms 1464 KB Output is correct
58 Correct 515 ms 980 KB Output is correct
59 Correct 515 ms 1176 KB Output is correct
60 Correct 2 ms 332 KB Output is correct
61 Correct 496 ms 1208 KB Output is correct
62 Correct 423 ms 1248 KB Output is correct
63 Correct 427 ms 1276 KB Output is correct
64 Correct 408 ms 1272 KB Output is correct
65 Correct 419 ms 580 KB Output is correct
66 Correct 400 ms 564 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 4 ms 332 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 3 ms 368 KB Output is correct
9 Correct 4 ms 332 KB Output is correct
10 Correct 9 ms 372 KB Output is correct
11 Correct 9 ms 332 KB Output is correct
12 Correct 9 ms 332 KB Output is correct
13 Correct 10 ms 372 KB Output is correct
14 Correct 9 ms 332 KB Output is correct
15 Correct 8 ms 332 KB Output is correct
16 Correct 9 ms 332 KB Output is correct
17 Correct 8 ms 364 KB Output is correct
18 Correct 7 ms 332 KB Output is correct
19 Correct 8 ms 332 KB Output is correct
20 Correct 9 ms 332 KB Output is correct
21 Correct 27 ms 332 KB Output is correct
22 Correct 35 ms 376 KB Output is correct
23 Correct 18 ms 376 KB Output is correct
24 Correct 62 ms 364 KB Output is correct
25 Correct 48 ms 332 KB Output is correct
26 Correct 54 ms 396 KB Output is correct
27 Correct 54 ms 388 KB Output is correct
28 Correct 53 ms 380 KB Output is correct
29 Correct 63 ms 332 KB Output is correct
30 Correct 54 ms 364 KB Output is correct
31 Correct 54 ms 376 KB Output is correct
32 Correct 54 ms 376 KB Output is correct
33 Correct 54 ms 388 KB Output is correct
34 Correct 55 ms 332 KB Output is correct
35 Correct 55 ms 396 KB Output is correct
36 Correct 56 ms 372 KB Output is correct
37 Correct 180 ms 548 KB Output is correct
38 Correct 179 ms 552 KB Output is correct
39 Correct 263 ms 596 KB Output is correct
40 Correct 305 ms 620 KB Output is correct
41 Correct 309 ms 588 KB Output is correct
42 Correct 265 ms 596 KB Output is correct
43 Correct 256 ms 956 KB Output is correct
44 Correct 263 ms 972 KB Output is correct
45 Correct 280 ms 956 KB Output is correct
46 Correct 348 ms 480 KB Output is correct
47 Correct 278 ms 664 KB Output is correct
48 Correct 284 ms 848 KB Output is correct
49 Correct 298 ms 600 KB Output is correct
50 Correct 276 ms 608 KB Output is correct
51 Correct 2 ms 332 KB Output is correct
52 Correct 302 ms 1020 KB Output is correct
53 Correct 378 ms 756 KB Output is correct
54 Correct 496 ms 952 KB Output is correct
55 Correct 504 ms 1300 KB Output is correct
56 Correct 394 ms 964 KB Output is correct
57 Correct 510 ms 1464 KB Output is correct
58 Correct 515 ms 980 KB Output is correct
59 Correct 515 ms 1176 KB Output is correct
60 Correct 2 ms 332 KB Output is correct
61 Correct 496 ms 1208 KB Output is correct
62 Correct 423 ms 1248 KB Output is correct
63 Correct 427 ms 1276 KB Output is correct
64 Correct 408 ms 1272 KB Output is correct
65 Correct 419 ms 580 KB Output is correct
66 Correct 400 ms 564 KB Output is correct
67 Correct 642 ms 1196 KB Output is correct
68 Correct 2 ms 332 KB Output is correct
69 Incorrect 977 ms 740 KB Output isn't correct
70 Halted 0 ms 0 KB -