oj.uz

Submission #950113

# Submission time Handle Problem Language Result Execution time Memory
950113 2024-03-20T05:30:13 Z Pragmatism Bootfall (IZhO17_bootfall) C++17
13 / 100
 1000 ms 460 KB 
//Bismillahir-Rahmanir-Rahim

#include <bits/stdc++.h>
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("O1,O2,O3,Ofast,unroll-loops")
#pragma GCC target("sse,sse2,sse3,sse4,sse4.1,sse4.2,popcnt,avx,avx2")

#define pb push_back
#define pii pair <int, int>
#define pll pair <long long, long long>
#define pld pair <long double, long double>
#define ll long long
#define ld long double
#define x first
#define y second
#define all(v) v.begin(),v.end()
#define sz(s) (int)s.size()
#define skip continue
#define bpop(x) (ll)__builtin_popcountll(x)

using namespace std;

const int N = 5e2 + 7;
const int W = 1e4 + 7;
const int maxA = 1e5 + 7;
const int inf = 1e9 + 7;
const ll INF = 2e18 + 7;
const int MOD = 998244353;
const ld eps = 1e-9;

pii dir[] = {{0, 1}, {1, 0}, {0, -1}, {-1, 0}};

//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
//clock_t start = clock();

#define int short

int n, a[N], dp[W];
void add(int x) {
    for (int w = W - 1;w >= 0;w--) {
        if (w + x < W)dp[w + x] += dp[w];
    }
    dp[x]++;
}
void del(int x) {
    dp[x]--;
    for (int w = x;w < W;w++)dp[w] -= dp[w - x];
}
bool check(int Tima) {
    for (int w = 0;w < W;w++)dp[w] = 0;
    int sum = 0;
    for (int i = 1;i <= n;i++)add(a[i]), sum += a[i];
    if (sum % 2 == 1 || !dp[sum / 2])return 0;
    add(Tima), sum += Tima;
    for (int i = 1;i <= n;i++) {
        sum -= a[i], del(a[i]);
        if (sum % 2 == 1 || !dp[sum / 2])return 0;
        sum += a[i], add(a[i]);
    }
    return 1;
}
void solve() {
    cin >> n;
    for (int i = 1;i <= n;i++)cin >> a[i];
    for (int i = 1;i <= n;i++) {
        if (a[i] % 2 != a[1] % 2)cout << 0, exit(0);
    }
    int chet = a[1] % 2;
    vector <int> ans;
    for (int Tima = chet;Tima <= 7777;Tima += 2) {
        if (check(Tima))ans.pb(Tima);
    }
    cout << sz(ans) << '\n';
    for (auto Tima : ans)cout << Tima << ' ';
}
signed main() {
    //srand(time(NULL));
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    //freopen("subsequence.in", "r", stdin);
    //freopen("subsequence.out", "w", stdout);
    int test = 1;
    //cin >> test;
    for (int t = 1;t <= test;t++) {
        //cout << "Case " << t << ": ";
        solve();
    }
    return 0;
}

Compilation message

bootfall.cpp:4: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    4 | #pragma comment(linker, "/stack:200000000")
      |

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 162 ms 448 KB Output is correct
2 Correct 137 ms 456 KB Output is correct
3 Correct 46 ms 348 KB Output is correct
4 Correct 81 ms 344 KB Output is correct
5 Correct 220 ms 344 KB Output is correct
6 Correct 152 ms 448 KB Output is correct
7 Correct 117 ms 348 KB Output is correct
8 Correct 216 ms 444 KB Output is correct
9 Correct 0 ms 348 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 162 ms 448 KB Output is correct
2 Correct 137 ms 456 KB Output is correct
3 Correct 46 ms 348 KB Output is correct
4 Correct 81 ms 344 KB Output is correct
5 Correct 220 ms 344 KB Output is correct
6 Correct 152 ms 448 KB Output is correct
7 Correct 117 ms 348 KB Output is correct
8 Correct 216 ms 444 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 495 ms 452 KB Output is correct
11 Correct 529 ms 456 KB Output is correct
12 Correct 510 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 514 ms 460 KB Output is correct
15 Correct 491 ms 348 KB Output is correct
16 Correct 536 ms 444 KB Output is correct
17 Correct 319 ms 448 KB Output is correct
18 Correct 423 ms 444 KB Output is correct
19 Correct 478 ms 344 KB Output is correct
20 Correct 490 ms 448 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 162 ms 448 KB Output is correct
2 Correct 137 ms 456 KB Output is correct
3 Correct 46 ms 348 KB Output is correct
4 Correct 81 ms 344 KB Output is correct
5 Correct 220 ms 344 KB Output is correct
6 Correct 152 ms 448 KB Output is correct
7 Correct 117 ms 348 KB Output is correct
8 Correct 216 ms 444 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 495 ms 452 KB Output is correct
11 Correct 529 ms 456 KB Output is correct
12 Correct 510 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 514 ms 460 KB Output is correct
15 Correct 491 ms 348 KB Output is correct
16 Correct 536 ms 444 KB Output is correct
17 Correct 319 ms 448 KB Output is correct
18 Correct 423 ms 444 KB Output is correct
19 Correct 478 ms 344 KB Output is correct
20 Correct 490 ms 448 KB Output is correct
21 Execution timed out 1018 ms 344 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 162 ms 448 KB Output is correct
2 Correct 137 ms 456 KB Output is correct
3 Correct 46 ms 348 KB Output is correct
4 Correct 81 ms 344 KB Output is correct
5 Correct 220 ms 344 KB Output is correct
6 Correct 152 ms 448 KB Output is correct
7 Correct 117 ms 348 KB Output is correct
8 Correct 216 ms 444 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 495 ms 452 KB Output is correct
11 Correct 529 ms 456 KB Output is correct
12 Correct 510 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 514 ms 460 KB Output is correct
15 Correct 491 ms 348 KB Output is correct
16 Correct 536 ms 444 KB Output is correct
17 Correct 319 ms 448 KB Output is correct
18 Correct 423 ms 444 KB Output is correct
19 Correct 478 ms 344 KB Output is correct
20 Correct 490 ms 448 KB Output is correct
21 Execution timed out 1018 ms 344 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 162 ms 448 KB Output is correct
2 Correct 137 ms 456 KB Output is correct
3 Correct 46 ms 348 KB Output is correct
4 Correct 81 ms 344 KB Output is correct
5 Correct 220 ms 344 KB Output is correct
6 Correct 152 ms 448 KB Output is correct
7 Correct 117 ms 348 KB Output is correct
8 Correct 216 ms 444 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 495 ms 452 KB Output is correct
11 Correct 529 ms 456 KB Output is correct
12 Correct 510 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 514 ms 460 KB Output is correct
15 Correct 491 ms 348 KB Output is correct
16 Correct 536 ms 444 KB Output is correct
17 Correct 319 ms 448 KB Output is correct
18 Correct 423 ms 444 KB Output is correct
19 Correct 478 ms 344 KB Output is correct
20 Correct 490 ms 448 KB Output is correct
21 Execution timed out 1018 ms 344 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 162 ms 448 KB Output is correct
2 Correct 137 ms 456 KB Output is correct
3 Correct 46 ms 348 KB Output is correct
4 Correct 81 ms 344 KB Output is correct
5 Correct 220 ms 344 KB Output is correct
6 Correct 152 ms 448 KB Output is correct
7 Correct 117 ms 348 KB Output is correct
8 Correct 216 ms 444 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 495 ms 452 KB Output is correct
11 Correct 529 ms 456 KB Output is correct
12 Correct 510 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 514 ms 460 KB Output is correct
15 Correct 491 ms 348 KB Output is correct
16 Correct 536 ms 444 KB Output is correct
17 Correct 319 ms 448 KB Output is correct
18 Correct 423 ms 444 KB Output is correct
19 Correct 478 ms 344 KB Output is correct
20 Correct 490 ms 448 KB Output is correct
21 Execution timed out 1018 ms 344 KB Time limit exceeded
22 Halted 0 ms 0 KB -