oj.uz

Submission #38496

# Submission time Handle Problem Language Result Execution time Memory
38496 2018-01-04T10:12:24 Z grumpy_gordon Bootfall (IZhO17_bootfall) C++14
13 / 100
 133 ms 17444 KB 
/*
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#include <bits/stdc++.h>

//#pragma GCC optimize("O3")
//#pragma GCC optimize("Ofast,no-stack-protector")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx")
//#pragma GCC target("avx,tune=native")

using namespace std;

__int64_t as;

typedef long long ll;

typedef long double ld;

int mysqrt(ll x){
    int l = 0, r = 1e9 + 1;
    while (r - l > 1){
        int m = (l + r) / 2;
        if (m * (ll)m <= x)
            l = m;
        else
            r = m;
    }
    return l;
}

mt19937 rnd(1337);

ll AR = 19, BR = 13, CR = 23, XR = 228, YR = 322, MODR = 1e9 + 993;

ll myrand(){
    ll ZR = (XR * AR + YR * BR + CR) % MODR;
    XR = YR;
    YR = ZR;
    return ZR;
}

const int Mod = 1e9 + 7;

int bpow(int x, int y){
    if (y == 0)
        return 1;
    if (y == 1)
        return x;
    int ret = bpow(x, y >> 1);
    ret = (ret * (ll)ret) % Mod;
    if (y & 1)
        ret = (ret * (ll)x) % Mod;
    return ret;
}

int bdiv(int x, int y){
    return (x * (ll)bpow(y, Mod - 2)) % Mod;
}

void setmin(int &x, int y){
    x = min(x, y);
}

void setmax(int &x, int y){
    x = max(x, y);
}

const ll llinf = 1e18 + 100;

const int maxn = 1e5 + 100, inf = 2e9 + 100, sq = 2000, mod = 1e9 + 7, LG = 17;

bitset<500 * 500 + 1> q[500];

int n, a[500];

int main()
{
    #ifdef ONPC
    //ifstream cin("a.in");
    //ofstream cout("a.out");
    freopen("a.in", "r", stdin);
    freopen("a.out", "w", stdout);
    #else
    //ifstream cin("bootfall.in");
    //ofstream cout("bootfall.out");
    //freopen("trap.in", "r", stdin);
    //freopen("trap.out", "w", stdout);
    #endif // ONPC
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin >> n;
    int W = 0;
    for (int i = 0; i < n; i++){
        cin >> a[i];
        W += a[i];
    }
    for (int i = 1; i < n; i++)
    if ((a[i] & 1) != (a[0] & 1)){
        cout << 0 << '\n';
        return 0;
    }
    for (int i = 0; i < n; i++)
        q[i][0] = 1;
    for (int i = 0; i < n; i++)
        for (int j = 0; j < n; j++)
        if (i != j)
            q[j] |= q[j] << a[i];
    int ss = 0;
    if (W & 1){
        cout << 0;
        return 0;
    }
    for (int i = 0; i < n; i++)
    if (q[i][W / 2]){
        ss = 1;
        break;
    }
    if (!ss){
        cout << 0;
        return 0;
    }
    vector<int> ans;
    for (int k = 1; k <= W; k++)
    if ((k & 1) == (a[0] & 1)){
        bool is = 1;
        for (int i = 0; i < n && is; i++)
            if (((W + k - a[i]) / 2 > W || !q[i][(W + k - a[i]) / 2]) && (W - k - a[i] < 0 || !q[i][(W - k - a[i]) / 2]))
                is = 0;
        if (is)
            ans.push_back(k);
    }
    cout << ans.size() << '\n';
    for (auto i : ans)
        cout << i << ' ';
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 17444 KB Output is correct
2 Correct 0 ms 17444 KB Output is correct
3 Correct 0 ms 17444 KB Output is correct
4 Correct 0 ms 17444 KB Output is correct
5 Correct 0 ms 17444 KB Output is correct
6 Correct 0 ms 17444 KB Output is correct
7 Correct 0 ms 17444 KB Output is correct
8 Correct 0 ms 17444 KB Output is correct
9 Correct 0 ms 17444 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 17444 KB Output is correct
2 Correct 0 ms 17444 KB Output is correct
3 Correct 0 ms 17444 KB Output is correct
4 Correct 0 ms 17444 KB Output is correct
5 Correct 0 ms 17444 KB Output is correct
6 Correct 0 ms 17444 KB Output is correct
7 Correct 0 ms 17444 KB Output is correct
8 Correct 0 ms 17444 KB Output is correct
9 Correct 0 ms 17444 KB Output is correct
10 Correct 19 ms 17444 KB Output is correct
11 Correct 13 ms 17444 KB Output is correct
12 Correct 16 ms 17444 KB Output is correct
13 Correct 0 ms 17444 KB Output is correct
14 Correct 9 ms 17444 KB Output is correct
15 Correct 9 ms 17444 KB Output is correct
16 Correct 19 ms 17444 KB Output is correct
17 Correct 3 ms 17444 KB Output is correct
18 Correct 6 ms 17444 KB Output is correct
19 Correct 9 ms 17444 KB Output is correct
20 Correct 19 ms 17444 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 17444 KB Output is correct
2 Correct 0 ms 17444 KB Output is correct
3 Correct 0 ms 17444 KB Output is correct
4 Correct 0 ms 17444 KB Output is correct
5 Correct 0 ms 17444 KB Output is correct
6 Correct 0 ms 17444 KB Output is correct
7 Correct 0 ms 17444 KB Output is correct
8 Correct 0 ms 17444 KB Output is correct
9 Correct 0 ms 17444 KB Output is correct
10 Correct 19 ms 17444 KB Output is correct
11 Correct 13 ms 17444 KB Output is correct
12 Correct 16 ms 17444 KB Output is correct
13 Correct 0 ms 17444 KB Output is correct
14 Correct 9 ms 17444 KB Output is correct
15 Correct 9 ms 17444 KB Output is correct
16 Correct 19 ms 17444 KB Output is correct
17 Correct 3 ms 17444 KB Output is correct
18 Correct 6 ms 17444 KB Output is correct
19 Correct 9 ms 17444 KB Output is correct
20 Correct 19 ms 17444 KB Output is correct
21 Correct 59 ms 17444 KB Output is correct
22 Correct 93 ms 17444 KB Output is correct
23 Correct 39 ms 17444 KB Output is correct
24 Runtime error 133 ms 17444 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 17444 KB Output is correct
2 Correct 0 ms 17444 KB Output is correct
3 Correct 0 ms 17444 KB Output is correct
4 Correct 0 ms 17444 KB Output is correct
5 Correct 0 ms 17444 KB Output is correct
6 Correct 0 ms 17444 KB Output is correct
7 Correct 0 ms 17444 KB Output is correct
8 Correct 0 ms 17444 KB Output is correct
9 Correct 0 ms 17444 KB Output is correct
10 Correct 19 ms 17444 KB Output is correct
11 Correct 13 ms 17444 KB Output is correct
12 Correct 16 ms 17444 KB Output is correct
13 Correct 0 ms 17444 KB Output is correct
14 Correct 9 ms 17444 KB Output is correct
15 Correct 9 ms 17444 KB Output is correct
16 Correct 19 ms 17444 KB Output is correct
17 Correct 3 ms 17444 KB Output is correct
18 Correct 6 ms 17444 KB Output is correct
19 Correct 9 ms 17444 KB Output is correct
20 Correct 19 ms 17444 KB Output is correct
21 Correct 59 ms 17444 KB Output is correct
22 Correct 93 ms 17444 KB Output is correct
23 Correct 39 ms 17444 KB Output is correct
24 Runtime error 133 ms 17444 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 17444 KB Output is correct
2 Correct 0 ms 17444 KB Output is correct
3 Correct 0 ms 17444 KB Output is correct
4 Correct 0 ms 17444 KB Output is correct
5 Correct 0 ms 17444 KB Output is correct
6 Correct 0 ms 17444 KB Output is correct
7 Correct 0 ms 17444 KB Output is correct
8 Correct 0 ms 17444 KB Output is correct
9 Correct 0 ms 17444 KB Output is correct
10 Correct 19 ms 17444 KB Output is correct
11 Correct 13 ms 17444 KB Output is correct
12 Correct 16 ms 17444 KB Output is correct
13 Correct 0 ms 17444 KB Output is correct
14 Correct 9 ms 17444 KB Output is correct
15 Correct 9 ms 17444 KB Output is correct
16 Correct 19 ms 17444 KB Output is correct
17 Correct 3 ms 17444 KB Output is correct
18 Correct 6 ms 17444 KB Output is correct
19 Correct 9 ms 17444 KB Output is correct
20 Correct 19 ms 17444 KB Output is correct
21 Correct 59 ms 17444 KB Output is correct
22 Correct 93 ms 17444 KB Output is correct
23 Correct 39 ms 17444 KB Output is correct
24 Runtime error 133 ms 17444 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 17444 KB Output is correct
2 Correct 0 ms 17444 KB Output is correct
3 Correct 0 ms 17444 KB Output is correct
4 Correct 0 ms 17444 KB Output is correct
5 Correct 0 ms 17444 KB Output is correct
6 Correct 0 ms 17444 KB Output is correct
7 Correct 0 ms 17444 KB Output is correct
8 Correct 0 ms 17444 KB Output is correct
9 Correct 0 ms 17444 KB Output is correct
10 Correct 19 ms 17444 KB Output is correct
11 Correct 13 ms 17444 KB Output is correct
12 Correct 16 ms 17444 KB Output is correct
13 Correct 0 ms 17444 KB Output is correct
14 Correct 9 ms 17444 KB Output is correct
15 Correct 9 ms 17444 KB Output is correct
16 Correct 19 ms 17444 KB Output is correct
17 Correct 3 ms 17444 KB Output is correct
18 Correct 6 ms 17444 KB Output is correct
19 Correct 9 ms 17444 KB Output is correct
20 Correct 19 ms 17444 KB Output is correct
21 Correct 59 ms 17444 KB Output is correct
22 Correct 93 ms 17444 KB Output is correct
23 Correct 39 ms 17444 KB Output is correct
24 Runtime error 133 ms 17444 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -