답안 #502693

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
502693 2022-01-06T13:00:17 Z tox1c_kid Bootfall (IZhO17_bootfall) C++17
65 / 100
1000 ms 1536 KB
#include <iostream>
#include <iomanip>
#include <fstream>
#include <cstdio>
#include <sstream>
#include <cassert>
#include <vector>
#include <numeric>
#include <string>
#include <bitset>
#include <cmath>
#include <complex>
#include <algorithm>
#include <stack>
#include <queue>
#include <deque>
#include <set>
#include <unordered_set>
#include <map>
#include <unordered_map>
#include <random>
#include <chrono>
#include <ctime>
#include <ext/pb_ds/detail/standard_policies.hpp>
#include <ext/pb_ds/assoc_container.hpp>

/*
 ⠄⠄⠄⢰⣧⣼⣯⠄⣸⣠⣶⣶⣦⣾⠄⠄⠄⠄⡀⠄⢀⣿⣿⠄⠄⠄⢸⡇⠄⠄
⠄⠄⠄⣾⣿⠿⠿⠶⠿⢿⣿⣿⣿⣿⣦⣤⣄⢀⡅⢠⣾⣛⡉⠄⠄⠄⠸⢀⣿⠄
⠄⠄⢀⡋⣡⣴⣶⣶⡀⠄⠄⠙⢿⣿⣿⣿⣿⣿⣴⣿⣿⣿⢃⣤⣄⣀⣥⣿⣿⠄
⠄⠄⢸⣇⠻⣿⣿⣿⣧⣀⢀⣠⡌⢻⣿⣿⣿⣿⣿⣿⣿⣿⣿⠿⠿⠿⣿⣿⣿⠄
⠄⢀⢸⣿⣷⣤⣤⣤⣬⣙⣛⢿⣿⣿⣿⣿⣿⣿⡿⣿⣿⡍⠄⠄⢀⣤⣄⠉⠋⣰
⠄⣼⣖⣿⣿⣿⣿⣿⣿⣿⣿⣿⢿⣿⣿⣿⣿⣿⢇⣿⣿⡷⠶⠶⢿⣿⣿⠇⢀⣤
⠘⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣽⣿⣿⣿⡇⣿⣿⣿⣿⣿⣿⣷⣶⣥⣴⣿⡗
⢀⠈⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡟⠄
⢸⣿⣦⣌⣛⣻⣿⣿⣧⠙⠛⠛⡭⠅⠒⠦⠭⣭⡻⣿⣿⣿⣿⣿⣿⣿⣿⡿⠃⠄
⠘⣿⣿⣿⣿⣿⣿⣿⣿⡆⠄⠄⠄⠄⠄⠄⠄⠄⠹⠈⢋⣽⣿⣿⣿⣿⣵⣾⠃⠄
⠄⠘⣿⣿⣿⣿⣿⣿⣿⣿⠄⣴⣿⣶⣄⠄⣴⣶⠄⢀⣾⣿⣿⣿⣿⣿⣿⠃⠄⠄
⠄⠄⠈⠻⣿⣿⣿⣿⣿⣿⡄⢻⣿⣿⣿⠄⣿⣿⡀⣾⣿⣿⣿⣿⣛⠛⠁⠄⠄⠄
⠄⠄⠄⠄⠈⠛⢿⣿⣿⣿⠁⠞⢿⣿⣿⡄⢿⣿⡇⣸⣿⣿⠿⠛⠁⠄⠄⠄⠄⠄
⠄⠄⠄⠄⠄⠄⠄⠉⠻⣿⣿⣾⣦⡙⠻⣷⣾⣿⠃⠿⠋⠁⠄⠄⠄⠄⠄⢀⣠⣴
⣿⣿⣿⣶⣶⣮⣥⣒⠲⢮⣝⡿⣿⣿⡆⣿⡿⠃⠄⠄⠄⠄⠄⠄⠄⣠⣴⣿⣿⣿
 */

using namespace std;
using namespace __gnu_pbds;

typedef long long ll;
typedef long double ld;
typedef double db;
typedef unsigned long long ull;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
#define all(x) (x).begin(), (x).end()
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

template <typename A, typename B>
string to_string(pair<A, B> p);

template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p);

template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p);

string to_string(const string& s) {
    return '"' + s + '"';
}

string to_string(const char* s) {
    return to_string((string) s);
}

string to_string(vector<bool> v) {
    bool first = true;
    string res = "{";
    for (int i = 0; i < static_cast<int>(v.size()); i++) {
        if (!first) {
            res += ", ";
        }
        first = false;
        res += to_string(v[i]);
    }
    res += "}";
    return res;
}

template <typename A>
string to_string(A v) {
    bool first = true;
    string res = "{";
    for (const auto &x : v) {
        if (!first) {
            res += ", ";
        }
        first = false;
        res += to_string(x);
    }
    res += "}";
    return res;
}

template <typename A, typename B>
string to_string(pair<A, B> p) {
    return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}

template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p) {
    return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")";
}

template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p) {
    return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")";
}

void debug_out() { cout << "\n"; }
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
    cout << " " << to_string(H);
    debug_out(T...);
}

#ifdef CLOWN
#define dbg(...) cout << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__);
#else
#define dbg(...);
#endif

int test = 0;

void fastio() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
}

void solve() {
    int n;
    cin >> n;
    vector<int> a(n);
    for (int i = 0; i < n; i++) cin >> a[i];
    vector<int> ans;
    bitset<500 * 500 + 1> dp1;
    dp1[0] = 1;
    for (int i = 0; i < n; i++) {
        dp1 |= (dp1 << a[i]);
    }
    dbg(accumulate(all(a), 0))
    if (!dp1[accumulate(all(a), 0) / 2] || accumulate(all(a), 0) % 2) {
        cout << 0 << "\n";
        return;
    }

    int sum = accumulate(all(a), 0);

    vector<int> used(sum + 1);
    for (int i = 0; i < n; i++) {
        bitset<500 * 500 + 1> dp;
        dp[0] = 1;
        for (int j = 0; j < n; j++) {
            if (i == j) continue;
            dp |= (dp << a[j]);
        }
//        cout << dp << "\n";
        int start = (sum - a[i]) / 2;
        for (int j = start + 1; j <= sum; j++) {
            int cur = 2 * j - sum + a[i];
            if (cur > 0 && dp[j]) used[cur]++;
        }
    }
    dbg(used)
    for (int i = 1; i < sum + 1; i++) {
        if (used[i] == n) {
            ans.push_back(i);
        }
    }
    cout << ans.size() << "\n";
    for (auto i : ans) cout << i << " ";
}

int32_t main() {
#ifdef CLOWN
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    int t = 1;
    fastio();
    if (test) cin >> t;
    while (t--) { solve(); }
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 432 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 432 KB Output is correct
5 Correct 1 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 1 ms 332 KB Output is correct
9 Correct 1 ms 432 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 432 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 432 KB Output is correct
5 Correct 1 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 1 ms 332 KB Output is correct
9 Correct 1 ms 432 KB Output is correct
10 Correct 7 ms 444 KB Output is correct
11 Correct 7 ms 332 KB Output is correct
12 Correct 6 ms 436 KB Output is correct
13 Correct 5 ms 332 KB Output is correct
14 Correct 6 ms 432 KB Output is correct
15 Correct 7 ms 460 KB Output is correct
16 Correct 9 ms 332 KB Output is correct
17 Correct 4 ms 332 KB Output is correct
18 Correct 7 ms 332 KB Output is correct
19 Correct 5 ms 332 KB Output is correct
20 Correct 6 ms 332 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 432 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 432 KB Output is correct
5 Correct 1 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 1 ms 332 KB Output is correct
9 Correct 1 ms 432 KB Output is correct
10 Correct 7 ms 444 KB Output is correct
11 Correct 7 ms 332 KB Output is correct
12 Correct 6 ms 436 KB Output is correct
13 Correct 5 ms 332 KB Output is correct
14 Correct 6 ms 432 KB Output is correct
15 Correct 7 ms 460 KB Output is correct
16 Correct 9 ms 332 KB Output is correct
17 Correct 4 ms 332 KB Output is correct
18 Correct 7 ms 332 KB Output is correct
19 Correct 5 ms 332 KB Output is correct
20 Correct 6 ms 332 KB Output is correct
21 Correct 29 ms 436 KB Output is correct
22 Correct 37 ms 440 KB Output is correct
23 Correct 18 ms 332 KB Output is correct
24 Correct 83 ms 416 KB Output is correct
25 Correct 77 ms 452 KB Output is correct
26 Correct 90 ms 460 KB Output is correct
27 Correct 85 ms 460 KB Output is correct
28 Correct 108 ms 460 KB Output is correct
29 Correct 96 ms 460 KB Output is correct
30 Correct 68 ms 432 KB Output is correct
31 Correct 67 ms 460 KB Output is correct
32 Correct 75 ms 460 KB Output is correct
33 Correct 88 ms 460 KB Output is correct
34 Correct 88 ms 452 KB Output is correct
35 Correct 72 ms 456 KB Output is correct
36 Correct 94 ms 444 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 432 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 432 KB Output is correct
5 Correct 1 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 1 ms 332 KB Output is correct
9 Correct 1 ms 432 KB Output is correct
10 Correct 7 ms 444 KB Output is correct
11 Correct 7 ms 332 KB Output is correct
12 Correct 6 ms 436 KB Output is correct
13 Correct 5 ms 332 KB Output is correct
14 Correct 6 ms 432 KB Output is correct
15 Correct 7 ms 460 KB Output is correct
16 Correct 9 ms 332 KB Output is correct
17 Correct 4 ms 332 KB Output is correct
18 Correct 7 ms 332 KB Output is correct
19 Correct 5 ms 332 KB Output is correct
20 Correct 6 ms 332 KB Output is correct
21 Correct 29 ms 436 KB Output is correct
22 Correct 37 ms 440 KB Output is correct
23 Correct 18 ms 332 KB Output is correct
24 Correct 83 ms 416 KB Output is correct
25 Correct 77 ms 452 KB Output is correct
26 Correct 90 ms 460 KB Output is correct
27 Correct 85 ms 460 KB Output is correct
28 Correct 108 ms 460 KB Output is correct
29 Correct 96 ms 460 KB Output is correct
30 Correct 68 ms 432 KB Output is correct
31 Correct 67 ms 460 KB Output is correct
32 Correct 75 ms 460 KB Output is correct
33 Correct 88 ms 460 KB Output is correct
34 Correct 88 ms 452 KB Output is correct
35 Correct 72 ms 456 KB Output is correct
36 Correct 94 ms 444 KB Output is correct
37 Correct 295 ms 616 KB Output is correct
38 Correct 319 ms 616 KB Output is correct
39 Correct 464 ms 672 KB Output is correct
40 Correct 543 ms 672 KB Output is correct
41 Correct 511 ms 716 KB Output is correct
42 Correct 469 ms 660 KB Output is correct
43 Correct 455 ms 1028 KB Output is correct
44 Correct 434 ms 1032 KB Output is correct
45 Correct 445 ms 936 KB Output is correct
46 Correct 501 ms 544 KB Output is correct
47 Correct 469 ms 672 KB Output is correct
48 Correct 479 ms 920 KB Output is correct
49 Correct 461 ms 668 KB Output is correct
50 Correct 475 ms 668 KB Output is correct
51 Correct 4 ms 332 KB Output is correct
52 Correct 513 ms 1088 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 432 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 432 KB Output is correct
5 Correct 1 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 1 ms 332 KB Output is correct
9 Correct 1 ms 432 KB Output is correct
10 Correct 7 ms 444 KB Output is correct
11 Correct 7 ms 332 KB Output is correct
12 Correct 6 ms 436 KB Output is correct
13 Correct 5 ms 332 KB Output is correct
14 Correct 6 ms 432 KB Output is correct
15 Correct 7 ms 460 KB Output is correct
16 Correct 9 ms 332 KB Output is correct
17 Correct 4 ms 332 KB Output is correct
18 Correct 7 ms 332 KB Output is correct
19 Correct 5 ms 332 KB Output is correct
20 Correct 6 ms 332 KB Output is correct
21 Correct 29 ms 436 KB Output is correct
22 Correct 37 ms 440 KB Output is correct
23 Correct 18 ms 332 KB Output is correct
24 Correct 83 ms 416 KB Output is correct
25 Correct 77 ms 452 KB Output is correct
26 Correct 90 ms 460 KB Output is correct
27 Correct 85 ms 460 KB Output is correct
28 Correct 108 ms 460 KB Output is correct
29 Correct 96 ms 460 KB Output is correct
30 Correct 68 ms 432 KB Output is correct
31 Correct 67 ms 460 KB Output is correct
32 Correct 75 ms 460 KB Output is correct
33 Correct 88 ms 460 KB Output is correct
34 Correct 88 ms 452 KB Output is correct
35 Correct 72 ms 456 KB Output is correct
36 Correct 94 ms 444 KB Output is correct
37 Correct 295 ms 616 KB Output is correct
38 Correct 319 ms 616 KB Output is correct
39 Correct 464 ms 672 KB Output is correct
40 Correct 543 ms 672 KB Output is correct
41 Correct 511 ms 716 KB Output is correct
42 Correct 469 ms 660 KB Output is correct
43 Correct 455 ms 1028 KB Output is correct
44 Correct 434 ms 1032 KB Output is correct
45 Correct 445 ms 936 KB Output is correct
46 Correct 501 ms 544 KB Output is correct
47 Correct 469 ms 672 KB Output is correct
48 Correct 479 ms 920 KB Output is correct
49 Correct 461 ms 668 KB Output is correct
50 Correct 475 ms 668 KB Output is correct
51 Correct 4 ms 332 KB Output is correct
52 Correct 513 ms 1088 KB Output is correct
53 Correct 685 ms 864 KB Output is correct
54 Correct 920 ms 1028 KB Output is correct
55 Correct 880 ms 1380 KB Output is correct
56 Correct 669 ms 1028 KB Output is correct
57 Correct 934 ms 1536 KB Output is correct
58 Correct 886 ms 1180 KB Output is correct
59 Correct 956 ms 1112 KB Output is correct
60 Correct 3 ms 432 KB Output is correct
61 Correct 927 ms 1276 KB Output is correct
62 Correct 787 ms 1320 KB Output is correct
63 Correct 770 ms 1352 KB Output is correct
64 Correct 742 ms 1340 KB Output is correct
65 Correct 715 ms 620 KB Output is correct
66 Correct 658 ms 636 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 432 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 432 KB Output is correct
5 Correct 1 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 1 ms 332 KB Output is correct
9 Correct 1 ms 432 KB Output is correct
10 Correct 7 ms 444 KB Output is correct
11 Correct 7 ms 332 KB Output is correct
12 Correct 6 ms 436 KB Output is correct
13 Correct 5 ms 332 KB Output is correct
14 Correct 6 ms 432 KB Output is correct
15 Correct 7 ms 460 KB Output is correct
16 Correct 9 ms 332 KB Output is correct
17 Correct 4 ms 332 KB Output is correct
18 Correct 7 ms 332 KB Output is correct
19 Correct 5 ms 332 KB Output is correct
20 Correct 6 ms 332 KB Output is correct
21 Correct 29 ms 436 KB Output is correct
22 Correct 37 ms 440 KB Output is correct
23 Correct 18 ms 332 KB Output is correct
24 Correct 83 ms 416 KB Output is correct
25 Correct 77 ms 452 KB Output is correct
26 Correct 90 ms 460 KB Output is correct
27 Correct 85 ms 460 KB Output is correct
28 Correct 108 ms 460 KB Output is correct
29 Correct 96 ms 460 KB Output is correct
30 Correct 68 ms 432 KB Output is correct
31 Correct 67 ms 460 KB Output is correct
32 Correct 75 ms 460 KB Output is correct
33 Correct 88 ms 460 KB Output is correct
34 Correct 88 ms 452 KB Output is correct
35 Correct 72 ms 456 KB Output is correct
36 Correct 94 ms 444 KB Output is correct
37 Correct 295 ms 616 KB Output is correct
38 Correct 319 ms 616 KB Output is correct
39 Correct 464 ms 672 KB Output is correct
40 Correct 543 ms 672 KB Output is correct
41 Correct 511 ms 716 KB Output is correct
42 Correct 469 ms 660 KB Output is correct
43 Correct 455 ms 1028 KB Output is correct
44 Correct 434 ms 1032 KB Output is correct
45 Correct 445 ms 936 KB Output is correct
46 Correct 501 ms 544 KB Output is correct
47 Correct 469 ms 672 KB Output is correct
48 Correct 479 ms 920 KB Output is correct
49 Correct 461 ms 668 KB Output is correct
50 Correct 475 ms 668 KB Output is correct
51 Correct 4 ms 332 KB Output is correct
52 Correct 513 ms 1088 KB Output is correct
53 Correct 685 ms 864 KB Output is correct
54 Correct 920 ms 1028 KB Output is correct
55 Correct 880 ms 1380 KB Output is correct
56 Correct 669 ms 1028 KB Output is correct
57 Correct 934 ms 1536 KB Output is correct
58 Correct 886 ms 1180 KB Output is correct
59 Correct 956 ms 1112 KB Output is correct
60 Correct 3 ms 432 KB Output is correct
61 Correct 927 ms 1276 KB Output is correct
62 Correct 787 ms 1320 KB Output is correct
63 Correct 770 ms 1352 KB Output is correct
64 Correct 742 ms 1340 KB Output is correct
65 Correct 715 ms 620 KB Output is correct
66 Correct 658 ms 636 KB Output is correct
67 Execution timed out 1058 ms 708 KB Time limit exceeded
68 Halted 0 ms 0 KB -