답안 #343061

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
343061 2021-01-03T11:42:27 Z spike1236 Bootfall (IZhO17_bootfall) C++14
13 / 100
1000 ms 2412 KB
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define f first
#define s second
#define ll long long
#define ld long double
#define all(_v) _v.begin(), _v.end()
#define sz(_v) (int)_v.size()
#define pii pair <int, int>
#define pll pair <ll, ll>
#define veci vector <int>
#define vecll vector <ll>


const int dx[4] = {1, -1, 0, 0};
const int dy[4] = {0, 0, -1, 1};
const double PI = 3.1415926535897932384626433832795;
const double eps = 1e-9;
const int MOD1 = 1e9 + 7;
const int MOD2 = 998244353;

int n;
int a[510];
ll dp[250010];
int sum;

void add(int x) {
    sum += x;
    for(int i = sum; i >= x; --i)
        dp[i] += dp[i - x];
}

void del(int x) {
    for(int i = x; i <= sum; ++i)
        dp[i] -= dp[i - x];
    sum -= x;
}

int go(int x) {
    memset(dp, 0, sizeof(dp));
    sum = 0;
    dp[0] = 1;
    a[n + 1] = x;
    for(int i = 1; i <= n + 1; ++i)
        add(a[i]);
    for(int i = 1; i <= n + 1; ++i) {
        del(a[i]);
        if(sum & 1 || !dp[sum / 2])
            return 0;
        add(a[i]);
    }
    return 1;
}

void solve() {
    cin >> n;
    int s = 0;
    for(int i = 1; i <= n; ++i) cin >> a[i], s += a[i];
    veci ans;
    for(int k = 1; k <= s; ++k)
        if(go(k))
            ans.pb(k);
    cout << sz(ans) << '\n';
    for(auto it : ans) cout << it << ' ';
}


int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int T = 1;
    ///cin >> T;
    while(T--) solve(), cout << '\n';
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2284 KB Output is correct
2 Correct 5 ms 2284 KB Output is correct
3 Correct 2 ms 2284 KB Output is correct
4 Correct 57 ms 2284 KB Output is correct
5 Correct 71 ms 2412 KB Output is correct
6 Correct 15 ms 2284 KB Output is correct
7 Correct 24 ms 2412 KB Output is correct
8 Correct 127 ms 2284 KB Output is correct
9 Correct 41 ms 2412 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2284 KB Output is correct
2 Correct 5 ms 2284 KB Output is correct
3 Correct 2 ms 2284 KB Output is correct
4 Correct 57 ms 2284 KB Output is correct
5 Correct 71 ms 2412 KB Output is correct
6 Correct 15 ms 2284 KB Output is correct
7 Correct 24 ms 2412 KB Output is correct
8 Correct 127 ms 2284 KB Output is correct
9 Correct 41 ms 2412 KB Output is correct
10 Correct 44 ms 2284 KB Output is correct
11 Correct 21 ms 2284 KB Output is correct
12 Correct 29 ms 2284 KB Output is correct
13 Correct 19 ms 2284 KB Output is correct
14 Correct 24 ms 2284 KB Output is correct
15 Correct 18 ms 2284 KB Output is correct
16 Correct 21 ms 2284 KB Output is correct
17 Correct 15 ms 2284 KB Output is correct
18 Correct 20 ms 2284 KB Output is correct
19 Correct 16 ms 2284 KB Output is correct
20 Correct 46 ms 2284 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2284 KB Output is correct
2 Correct 5 ms 2284 KB Output is correct
3 Correct 2 ms 2284 KB Output is correct
4 Correct 57 ms 2284 KB Output is correct
5 Correct 71 ms 2412 KB Output is correct
6 Correct 15 ms 2284 KB Output is correct
7 Correct 24 ms 2412 KB Output is correct
8 Correct 127 ms 2284 KB Output is correct
9 Correct 41 ms 2412 KB Output is correct
10 Correct 44 ms 2284 KB Output is correct
11 Correct 21 ms 2284 KB Output is correct
12 Correct 29 ms 2284 KB Output is correct
13 Correct 19 ms 2284 KB Output is correct
14 Correct 24 ms 2284 KB Output is correct
15 Correct 18 ms 2284 KB Output is correct
16 Correct 21 ms 2284 KB Output is correct
17 Correct 15 ms 2284 KB Output is correct
18 Correct 20 ms 2284 KB Output is correct
19 Correct 16 ms 2284 KB Output is correct
20 Correct 46 ms 2284 KB Output is correct
21 Correct 912 ms 2412 KB Output is correct
22 Execution timed out 1094 ms 2412 KB Time limit exceeded
23 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2284 KB Output is correct
2 Correct 5 ms 2284 KB Output is correct
3 Correct 2 ms 2284 KB Output is correct
4 Correct 57 ms 2284 KB Output is correct
5 Correct 71 ms 2412 KB Output is correct
6 Correct 15 ms 2284 KB Output is correct
7 Correct 24 ms 2412 KB Output is correct
8 Correct 127 ms 2284 KB Output is correct
9 Correct 41 ms 2412 KB Output is correct
10 Correct 44 ms 2284 KB Output is correct
11 Correct 21 ms 2284 KB Output is correct
12 Correct 29 ms 2284 KB Output is correct
13 Correct 19 ms 2284 KB Output is correct
14 Correct 24 ms 2284 KB Output is correct
15 Correct 18 ms 2284 KB Output is correct
16 Correct 21 ms 2284 KB Output is correct
17 Correct 15 ms 2284 KB Output is correct
18 Correct 20 ms 2284 KB Output is correct
19 Correct 16 ms 2284 KB Output is correct
20 Correct 46 ms 2284 KB Output is correct
21 Correct 912 ms 2412 KB Output is correct
22 Execution timed out 1094 ms 2412 KB Time limit exceeded
23 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2284 KB Output is correct
2 Correct 5 ms 2284 KB Output is correct
3 Correct 2 ms 2284 KB Output is correct
4 Correct 57 ms 2284 KB Output is correct
5 Correct 71 ms 2412 KB Output is correct
6 Correct 15 ms 2284 KB Output is correct
7 Correct 24 ms 2412 KB Output is correct
8 Correct 127 ms 2284 KB Output is correct
9 Correct 41 ms 2412 KB Output is correct
10 Correct 44 ms 2284 KB Output is correct
11 Correct 21 ms 2284 KB Output is correct
12 Correct 29 ms 2284 KB Output is correct
13 Correct 19 ms 2284 KB Output is correct
14 Correct 24 ms 2284 KB Output is correct
15 Correct 18 ms 2284 KB Output is correct
16 Correct 21 ms 2284 KB Output is correct
17 Correct 15 ms 2284 KB Output is correct
18 Correct 20 ms 2284 KB Output is correct
19 Correct 16 ms 2284 KB Output is correct
20 Correct 46 ms 2284 KB Output is correct
21 Correct 912 ms 2412 KB Output is correct
22 Execution timed out 1094 ms 2412 KB Time limit exceeded
23 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2284 KB Output is correct
2 Correct 5 ms 2284 KB Output is correct
3 Correct 2 ms 2284 KB Output is correct
4 Correct 57 ms 2284 KB Output is correct
5 Correct 71 ms 2412 KB Output is correct
6 Correct 15 ms 2284 KB Output is correct
7 Correct 24 ms 2412 KB Output is correct
8 Correct 127 ms 2284 KB Output is correct
9 Correct 41 ms 2412 KB Output is correct
10 Correct 44 ms 2284 KB Output is correct
11 Correct 21 ms 2284 KB Output is correct
12 Correct 29 ms 2284 KB Output is correct
13 Correct 19 ms 2284 KB Output is correct
14 Correct 24 ms 2284 KB Output is correct
15 Correct 18 ms 2284 KB Output is correct
16 Correct 21 ms 2284 KB Output is correct
17 Correct 15 ms 2284 KB Output is correct
18 Correct 20 ms 2284 KB Output is correct
19 Correct 16 ms 2284 KB Output is correct
20 Correct 46 ms 2284 KB Output is correct
21 Correct 912 ms 2412 KB Output is correct
22 Execution timed out 1094 ms 2412 KB Time limit exceeded
23 Halted 0 ms 0 KB -