oj.uz

Submission #452002

# Submission time Handle Problem Language Result Execution time Memory
452002 2021-08-03T15:52:35 Z dxz05 Bootfall (IZhO17_bootfall) C++14
44 / 100
 296 ms 1008 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 = 270*270 + 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 1 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 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 1 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 7 ms 332 KB Output is correct
11 Correct 4 ms 332 KB Output is correct
12 Correct 6 ms 332 KB Output is correct
13 Correct 4 ms 352 KB Output is correct
14 Correct 4 ms 332 KB Output is correct
15 Correct 4 ms 332 KB Output is correct
16 Correct 5 ms 332 KB Output is correct
17 Correct 3 ms 332 KB Output is correct
18 Correct 3 ms 288 KB Output is correct
19 Correct 4 ms 332 KB Output is correct
20 Correct 5 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 1 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 7 ms 332 KB Output is correct
11 Correct 4 ms 332 KB Output is correct
12 Correct 6 ms 332 KB Output is correct
13 Correct 4 ms 352 KB Output is correct
14 Correct 4 ms 332 KB Output is correct
15 Correct 4 ms 332 KB Output is correct
16 Correct 5 ms 332 KB Output is correct
17 Correct 3 ms 332 KB Output is correct
18 Correct 3 ms 288 KB Output is correct
19 Correct 4 ms 332 KB Output is correct
20 Correct 5 ms 332 KB Output is correct
21 Correct 14 ms 364 KB Output is correct
22 Correct 17 ms 360 KB Output is correct
23 Correct 10 ms 460 KB Output is correct
24 Correct 26 ms 368 KB Output is correct
25 Correct 27 ms 364 KB Output is correct
26 Correct 29 ms 388 KB Output is correct
27 Correct 28 ms 376 KB Output is correct
28 Correct 29 ms 376 KB Output is correct
29 Correct 31 ms 380 KB Output is correct
30 Correct 28 ms 332 KB Output is correct
31 Correct 39 ms 368 KB Output is correct
32 Correct 36 ms 360 KB Output is correct
33 Correct 28 ms 332 KB Output is correct
34 Correct 30 ms 380 KB Output is correct
35 Correct 30 ms 332 KB Output is correct
36 Correct 28 ms 368 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 1 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 7 ms 332 KB Output is correct
11 Correct 4 ms 332 KB Output is correct
12 Correct 6 ms 332 KB Output is correct
13 Correct 4 ms 352 KB Output is correct
14 Correct 4 ms 332 KB Output is correct
15 Correct 4 ms 332 KB Output is correct
16 Correct 5 ms 332 KB Output is correct
17 Correct 3 ms 332 KB Output is correct
18 Correct 3 ms 288 KB Output is correct
19 Correct 4 ms 332 KB Output is correct
20 Correct 5 ms 332 KB Output is correct
21 Correct 14 ms 364 KB Output is correct
22 Correct 17 ms 360 KB Output is correct
23 Correct 10 ms 460 KB Output is correct
24 Correct 26 ms 368 KB Output is correct
25 Correct 27 ms 364 KB Output is correct
26 Correct 29 ms 388 KB Output is correct
27 Correct 28 ms 376 KB Output is correct
28 Correct 29 ms 376 KB Output is correct
29 Correct 31 ms 380 KB Output is correct
30 Correct 28 ms 332 KB Output is correct
31 Correct 39 ms 368 KB Output is correct
32 Correct 36 ms 360 KB Output is correct
33 Correct 28 ms 332 KB Output is correct
34 Correct 30 ms 380 KB Output is correct
35 Correct 30 ms 332 KB Output is correct
36 Correct 28 ms 368 KB Output is correct
37 Correct 116 ms 552 KB Output is correct
38 Correct 110 ms 544 KB Output is correct
39 Correct 146 ms 588 KB Output is correct
40 Correct 172 ms 600 KB Output is correct
41 Correct 169 ms 628 KB Output is correct
42 Correct 154 ms 592 KB Output is correct
43 Correct 161 ms 820 KB Output is correct
44 Correct 147 ms 824 KB Output is correct
45 Correct 155 ms 960 KB Output is correct
46 Correct 190 ms 468 KB Output is correct
47 Correct 153 ms 608 KB Output is correct
48 Correct 151 ms 832 KB Output is correct
49 Correct 161 ms 588 KB Output is correct
50 Correct 154 ms 604 KB Output is correct
51 Correct 1 ms 332 KB Output is correct
52 Correct 188 ms 1008 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 7 ms 332 KB Output is correct
11 Correct 4 ms 332 KB Output is correct
12 Correct 6 ms 332 KB Output is correct
13 Correct 4 ms 352 KB Output is correct
14 Correct 4 ms 332 KB Output is correct
15 Correct 4 ms 332 KB Output is correct
16 Correct 5 ms 332 KB Output is correct
17 Correct 3 ms 332 KB Output is correct
18 Correct 3 ms 288 KB Output is correct
19 Correct 4 ms 332 KB Output is correct
20 Correct 5 ms 332 KB Output is correct
21 Correct 14 ms 364 KB Output is correct
22 Correct 17 ms 360 KB Output is correct
23 Correct 10 ms 460 KB Output is correct
24 Correct 26 ms 368 KB Output is correct
25 Correct 27 ms 364 KB Output is correct
26 Correct 29 ms 388 KB Output is correct
27 Correct 28 ms 376 KB Output is correct
28 Correct 29 ms 376 KB Output is correct
29 Correct 31 ms 380 KB Output is correct
30 Correct 28 ms 332 KB Output is correct
31 Correct 39 ms 368 KB Output is correct
32 Correct 36 ms 360 KB Output is correct
33 Correct 28 ms 332 KB Output is correct
34 Correct 30 ms 380 KB Output is correct
35 Correct 30 ms 332 KB Output is correct
36 Correct 28 ms 368 KB Output is correct
37 Correct 116 ms 552 KB Output is correct
38 Correct 110 ms 544 KB Output is correct
39 Correct 146 ms 588 KB Output is correct
40 Correct 172 ms 600 KB Output is correct
41 Correct 169 ms 628 KB Output is correct
42 Correct 154 ms 592 KB Output is correct
43 Correct 161 ms 820 KB Output is correct
44 Correct 147 ms 824 KB Output is correct
45 Correct 155 ms 960 KB Output is correct
46 Correct 190 ms 468 KB Output is correct
47 Correct 153 ms 608 KB Output is correct
48 Correct 151 ms 832 KB Output is correct
49 Correct 161 ms 588 KB Output is correct
50 Correct 154 ms 604 KB Output is correct
51 Correct 1 ms 332 KB Output is correct
52 Correct 188 ms 1008 KB Output is correct
53 Correct 235 ms 772 KB Output is correct
54 Correct 288 ms 952 KB Output is correct
55 Incorrect 296 ms 740 KB Output isn't correct
56 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 7 ms 332 KB Output is correct
11 Correct 4 ms 332 KB Output is correct
12 Correct 6 ms 332 KB Output is correct
13 Correct 4 ms 352 KB Output is correct
14 Correct 4 ms 332 KB Output is correct
15 Correct 4 ms 332 KB Output is correct
16 Correct 5 ms 332 KB Output is correct
17 Correct 3 ms 332 KB Output is correct
18 Correct 3 ms 288 KB Output is correct
19 Correct 4 ms 332 KB Output is correct
20 Correct 5 ms 332 KB Output is correct
21 Correct 14 ms 364 KB Output is correct
22 Correct 17 ms 360 KB Output is correct
23 Correct 10 ms 460 KB Output is correct
24 Correct 26 ms 368 KB Output is correct
25 Correct 27 ms 364 KB Output is correct
26 Correct 29 ms 388 KB Output is correct
27 Correct 28 ms 376 KB Output is correct
28 Correct 29 ms 376 KB Output is correct
29 Correct 31 ms 380 KB Output is correct
30 Correct 28 ms 332 KB Output is correct
31 Correct 39 ms 368 KB Output is correct
32 Correct 36 ms 360 KB Output is correct
33 Correct 28 ms 332 KB Output is correct
34 Correct 30 ms 380 KB Output is correct
35 Correct 30 ms 332 KB Output is correct
36 Correct 28 ms 368 KB Output is correct
37 Correct 116 ms 552 KB Output is correct
38 Correct 110 ms 544 KB Output is correct
39 Correct 146 ms 588 KB Output is correct
40 Correct 172 ms 600 KB Output is correct
41 Correct 169 ms 628 KB Output is correct
42 Correct 154 ms 592 KB Output is correct
43 Correct 161 ms 820 KB Output is correct
44 Correct 147 ms 824 KB Output is correct
45 Correct 155 ms 960 KB Output is correct
46 Correct 190 ms 468 KB Output is correct
47 Correct 153 ms 608 KB Output is correct
48 Correct 151 ms 832 KB Output is correct
49 Correct 161 ms 588 KB Output is correct
50 Correct 154 ms 604 KB Output is correct
51 Correct 1 ms 332 KB Output is correct
52 Correct 188 ms 1008 KB Output is correct
53 Correct 235 ms 772 KB Output is correct
54 Correct 288 ms 952 KB Output is correct
55 Incorrect 296 ms 740 KB Output isn't correct
56 Halted 0 ms 0 KB -