oj.uz

Submission #950110

# Submission time Handle Problem Language Result Execution time Memory
950110 2024-03-20T05:28:53 Z Pragmatism Bootfall (IZhO17_bootfall) C++17
13 / 100
 1000 ms 500 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 long long

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 166 ms 348 KB Output is correct
2 Correct 135 ms 472 KB Output is correct
3 Correct 46 ms 484 KB Output is correct
4 Correct 99 ms 468 KB Output is correct
5 Correct 219 ms 468 KB Output is correct
6 Correct 184 ms 348 KB Output is correct
7 Correct 115 ms 500 KB Output is correct
8 Correct 220 ms 468 KB Output is correct
9 Correct 0 ms 344 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 166 ms 348 KB Output is correct
2 Correct 135 ms 472 KB Output is correct
3 Correct 46 ms 484 KB Output is correct
4 Correct 99 ms 468 KB Output is correct
5 Correct 219 ms 468 KB Output is correct
6 Correct 184 ms 348 KB Output is correct
7 Correct 115 ms 500 KB Output is correct
8 Correct 220 ms 468 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 497 ms 464 KB Output is correct
11 Correct 530 ms 468 KB Output is correct
12 Correct 487 ms 464 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 506 ms 468 KB Output is correct
15 Correct 495 ms 464 KB Output is correct
16 Correct 538 ms 468 KB Output is correct
17 Correct 352 ms 484 KB Output is correct
18 Correct 421 ms 348 KB Output is correct
19 Correct 464 ms 468 KB Output is correct
20 Correct 497 ms 468 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 166 ms 348 KB Output is correct
2 Correct 135 ms 472 KB Output is correct
3 Correct 46 ms 484 KB Output is correct
4 Correct 99 ms 468 KB Output is correct
5 Correct 219 ms 468 KB Output is correct
6 Correct 184 ms 348 KB Output is correct
7 Correct 115 ms 500 KB Output is correct
8 Correct 220 ms 468 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 497 ms 464 KB Output is correct
11 Correct 530 ms 468 KB Output is correct
12 Correct 487 ms 464 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 506 ms 468 KB Output is correct
15 Correct 495 ms 464 KB Output is correct
16 Correct 538 ms 468 KB Output is correct
17 Correct 352 ms 484 KB Output is correct
18 Correct 421 ms 348 KB Output is correct
19 Correct 464 ms 468 KB Output is correct
20 Correct 497 ms 468 KB Output is correct
21 Execution timed out 1098 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 166 ms 348 KB Output is correct
2 Correct 135 ms 472 KB Output is correct
3 Correct 46 ms 484 KB Output is correct
4 Correct 99 ms 468 KB Output is correct
5 Correct 219 ms 468 KB Output is correct
6 Correct 184 ms 348 KB Output is correct
7 Correct 115 ms 500 KB Output is correct
8 Correct 220 ms 468 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 497 ms 464 KB Output is correct
11 Correct 530 ms 468 KB Output is correct
12 Correct 487 ms 464 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 506 ms 468 KB Output is correct
15 Correct 495 ms 464 KB Output is correct
16 Correct 538 ms 468 KB Output is correct
17 Correct 352 ms 484 KB Output is correct
18 Correct 421 ms 348 KB Output is correct
19 Correct 464 ms 468 KB Output is correct
20 Correct 497 ms 468 KB Output is correct
21 Execution timed out 1098 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 166 ms 348 KB Output is correct
2 Correct 135 ms 472 KB Output is correct
3 Correct 46 ms 484 KB Output is correct
4 Correct 99 ms 468 KB Output is correct
5 Correct 219 ms 468 KB Output is correct
6 Correct 184 ms 348 KB Output is correct
7 Correct 115 ms 500 KB Output is correct
8 Correct 220 ms 468 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 497 ms 464 KB Output is correct
11 Correct 530 ms 468 KB Output is correct
12 Correct 487 ms 464 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 506 ms 468 KB Output is correct
15 Correct 495 ms 464 KB Output is correct
16 Correct 538 ms 468 KB Output is correct
17 Correct 352 ms 484 KB Output is correct
18 Correct 421 ms 348 KB Output is correct
19 Correct 464 ms 468 KB Output is correct
20 Correct 497 ms 468 KB Output is correct
21 Execution timed out 1098 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 166 ms 348 KB Output is correct
2 Correct 135 ms 472 KB Output is correct
3 Correct 46 ms 484 KB Output is correct
4 Correct 99 ms 468 KB Output is correct
5 Correct 219 ms 468 KB Output is correct
6 Correct 184 ms 348 KB Output is correct
7 Correct 115 ms 500 KB Output is correct
8 Correct 220 ms 468 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 497 ms 464 KB Output is correct
11 Correct 530 ms 468 KB Output is correct
12 Correct 487 ms 464 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 506 ms 468 KB Output is correct
15 Correct 495 ms 464 KB Output is correct
16 Correct 538 ms 468 KB Output is correct
17 Correct 352 ms 484 KB Output is correct
18 Correct 421 ms 348 KB Output is correct
19 Correct 464 ms 468 KB Output is correct
20 Correct 497 ms 468 KB Output is correct
21 Execution timed out 1098 ms 344 KB Time limit exceeded
22 Halted 0 ms 0 KB -