oj.uz

Submission #51306

# Submission time Handle Problem Language Result Execution time Memory
51306 2018-06-17T12:36:31 Z Nicksechko Bootfall (IZhO17_bootfall) C++14
44 / 100
 714 ms 3260 KB 
#include <iostream>
#include <fstream>
#include <set>
#include <map>
#include <cstdio>
#include <string>
#include <vector>
#include <algorithm>
#include <random>
#include <chrono>
#include <queue>
#include <unordered_map>
//#include <unordered_set>
#include <iomanip>
#include <stack>
#include <ctime>
#include <cassert>
#include <cmath>

#define y1 ups
#define left lll
#define right rrr
#define next nnn
//#define find fff

typedef unsigned long long ull;

using namespace std;

//mt19937_64 twister(chrono::steady_clock().now().time_since_epoch().count());
mt19937_64 twister(8888);

long long rnd(long long l, long long r)
{
    uniform_int_distribution<long long> dis(l, r);
    return dis(twister);
}

const int mod = (int)1e9 + 9;
//const int mod[2] = {(int)1e9 + 7, (int)1e9 + 9};
//const int st[2] = {887, 8887};'
const int maxn = 588;
const int inf = 1e4 + 88;
const int logn = 22;
const int maxa = 500*500 + 88;
const int block = 775;
const long long infll = 1e18 + 88;
const char sgl[5] = {'a', 'e', 'i', 'o', 'u'};
const int dx[] = {-1, 1, 0, 0};
const int dy[] = {0, 0, -1, 1};
const int knightx[] = {-2, -2, -1, -1, 1, 1, 2, 2};
const int knighty[] = {-1, 1, -2, 2, -2, 2, -1, 1};
const int kingx[] = {-1, -1, -1, 0, 0, 1, 1, 1};
const int kingy[] = {-1, 0, 1, -1, 1, -1, 0, 1};
const char sep = 'a' - 1;
const double eps = 1e-9;
const int maxn1 = 1e3 + 88;

//#define int long long

int a[588];
int ans[maxa], dp[maxa];
int all_sum;
vector<int> v;

int msum(int a, int b)
{
    return (a + b)%mod;
}

void add(int x)
{
    all_sum += x;
    for (int i = maxa - x - 1; i >= 0; i--)
        dp[i + x] = msum(dp[i + x], dp[i]);
}

void del(int x)
{
    all_sum -= x;
    for (int i = 0; i + x < maxa; i++)
        dp[i + x] = msum(dp[i + x], mod - dp[i]);
}

void solve()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
//    ifstream cin("input.txt");
//    ofstream cout("output.txt");
//    ifstream cin("bootfall.in");
//    ofstream cout("bootfall.out");
    int n, i, j;
    cin >> n;
    dp[0] = 1;
    for (i = 0; i < n; i++)
    {
        cin >> a[i];
        add(a[i]);
    }
    if ((all_sum&1) || dp[all_sum >> 1] == 0)
    {
        cout << 0;
        return;
    }
    for (i = 1; i < maxa; i++)
        ans[i] = true;
    for (i = 0; i < n; i++)
    {
        del(a[i]);
        for (j = 1; j < maxa; j++)
            if (((all_sum + j)&1) || dp[(all_sum + j) >> 1] == 0)
                ans[j] = false;
        add(a[i]);
    }
    for (i = 0; i < maxa; i++)
        if (ans[i])
            v.push_back(i);
    cout << v.size() << "\n";
    for (i = 0; i < v.size(); i++)
        cout << v[i] << " ";
}

//#undef int

int main()
{
//    srand(time(0));
//    srand(8);
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
//    ifstream cin("input.txt");
//    ofstream cout("output.txt");
//    ifstream cin("output.txt");
//    ifstream fin("12.out");
//    int a, b, i = 0;
//    while (cin >> a)
//    {
//        fin >> b;
//        if (a != b)
//        {
//            cout << i << " " << a << " " << b;
//            return 0;
//        }
//        i++;
//    }
//    freopen("input.txt", "r", stdin);
//    freopen("output.txt", "w", stdout);
//    freopen("f.in", "r", stdin);
//    freopen("f.out", "w", stdout);
//    int t = 10000;
//    while (t--)
//    {
//        if (t == 9947)
//            t = 9947;
//        gen();
//        cout << t << endl;
//        brut();
//        if (!solve())
//        {
//            cout << "kek";
//            return 0;
//        }
//    }
    solve();
    return 0;
}

Compilation message

bootfall.cpp: In function 'void solve()':
bootfall.cpp:121:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (i = 0; i < v.size(); i++)
                 ~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 2296 KB Output is correct
2 Correct 22 ms 2404 KB Output is correct
3 Correct 5 ms 2404 KB Output is correct
4 Correct 11 ms 2412 KB Output is correct
5 Correct 49 ms 2568 KB Output is correct
6 Correct 19 ms 2568 KB Output is correct
7 Correct 14 ms 2568 KB Output is correct
8 Correct 26 ms 2568 KB Output is correct
9 Correct 23 ms 2568 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 2296 KB Output is correct
2 Correct 22 ms 2404 KB Output is correct
3 Correct 5 ms 2404 KB Output is correct
4 Correct 11 ms 2412 KB Output is correct
5 Correct 49 ms 2568 KB Output is correct
6 Correct 19 ms 2568 KB Output is correct
7 Correct 14 ms 2568 KB Output is correct
8 Correct 26 ms 2568 KB Output is correct
9 Correct 23 ms 2568 KB Output is correct
10 Correct 57 ms 2660 KB Output is correct
11 Correct 66 ms 2792 KB Output is correct
12 Correct 58 ms 2792 KB Output is correct
13 Correct 52 ms 2792 KB Output is correct
14 Correct 56 ms 2792 KB Output is correct
15 Correct 60 ms 2792 KB Output is correct
16 Correct 63 ms 2792 KB Output is correct
17 Correct 37 ms 2792 KB Output is correct
18 Correct 56 ms 2792 KB Output is correct
19 Correct 54 ms 2792 KB Output is correct
20 Correct 62 ms 2792 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 2296 KB Output is correct
2 Correct 22 ms 2404 KB Output is correct
3 Correct 5 ms 2404 KB Output is correct
4 Correct 11 ms 2412 KB Output is correct
5 Correct 49 ms 2568 KB Output is correct
6 Correct 19 ms 2568 KB Output is correct
7 Correct 14 ms 2568 KB Output is correct
8 Correct 26 ms 2568 KB Output is correct
9 Correct 23 ms 2568 KB Output is correct
10 Correct 57 ms 2660 KB Output is correct
11 Correct 66 ms 2792 KB Output is correct
12 Correct 58 ms 2792 KB Output is correct
13 Correct 52 ms 2792 KB Output is correct
14 Correct 56 ms 2792 KB Output is correct
15 Correct 60 ms 2792 KB Output is correct
16 Correct 63 ms 2792 KB Output is correct
17 Correct 37 ms 2792 KB Output is correct
18 Correct 56 ms 2792 KB Output is correct
19 Correct 54 ms 2792 KB Output is correct
20 Correct 62 ms 2792 KB Output is correct
21 Correct 119 ms 2792 KB Output is correct
22 Correct 134 ms 2792 KB Output is correct
23 Correct 97 ms 2792 KB Output is correct
24 Correct 322 ms 2792 KB Output is correct
25 Correct 173 ms 2792 KB Output is correct
26 Correct 258 ms 2792 KB Output is correct
27 Correct 223 ms 2792 KB Output is correct
28 Correct 224 ms 2792 KB Output is correct
29 Correct 192 ms 2792 KB Output is correct
30 Correct 235 ms 2792 KB Output is correct
31 Correct 183 ms 2792 KB Output is correct
32 Correct 189 ms 2792 KB Output is correct
33 Correct 188 ms 2792 KB Output is correct
34 Correct 178 ms 2792 KB Output is correct
35 Correct 241 ms 2792 KB Output is correct
36 Correct 185 ms 2792 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 2296 KB Output is correct
2 Correct 22 ms 2404 KB Output is correct
3 Correct 5 ms 2404 KB Output is correct
4 Correct 11 ms 2412 KB Output is correct
5 Correct 49 ms 2568 KB Output is correct
6 Correct 19 ms 2568 KB Output is correct
7 Correct 14 ms 2568 KB Output is correct
8 Correct 26 ms 2568 KB Output is correct
9 Correct 23 ms 2568 KB Output is correct
10 Correct 57 ms 2660 KB Output is correct
11 Correct 66 ms 2792 KB Output is correct
12 Correct 58 ms 2792 KB Output is correct
13 Correct 52 ms 2792 KB Output is correct
14 Correct 56 ms 2792 KB Output is correct
15 Correct 60 ms 2792 KB Output is correct
16 Correct 63 ms 2792 KB Output is correct
17 Correct 37 ms 2792 KB Output is correct
18 Correct 56 ms 2792 KB Output is correct
19 Correct 54 ms 2792 KB Output is correct
20 Correct 62 ms 2792 KB Output is correct
21 Correct 119 ms 2792 KB Output is correct
22 Correct 134 ms 2792 KB Output is correct
23 Correct 97 ms 2792 KB Output is correct
24 Correct 322 ms 2792 KB Output is correct
25 Correct 173 ms 2792 KB Output is correct
26 Correct 258 ms 2792 KB Output is correct
27 Correct 223 ms 2792 KB Output is correct
28 Correct 224 ms 2792 KB Output is correct
29 Correct 192 ms 2792 KB Output is correct
30 Correct 235 ms 2792 KB Output is correct
31 Correct 183 ms 2792 KB Output is correct
32 Correct 189 ms 2792 KB Output is correct
33 Correct 188 ms 2792 KB Output is correct
34 Correct 178 ms 2792 KB Output is correct
35 Correct 241 ms 2792 KB Output is correct
36 Correct 185 ms 2792 KB Output is correct
37 Correct 367 ms 2828 KB Output is correct
38 Correct 360 ms 2828 KB Output is correct
39 Correct 472 ms 2828 KB Output is correct
40 Correct 518 ms 2828 KB Output is correct
41 Correct 482 ms 2828 KB Output is correct
42 Correct 440 ms 2828 KB Output is correct
43 Correct 431 ms 2920 KB Output is correct
44 Correct 462 ms 3104 KB Output is correct
45 Correct 498 ms 3104 KB Output is correct
46 Correct 512 ms 3104 KB Output is correct
47 Correct 469 ms 3104 KB Output is correct
48 Correct 444 ms 3104 KB Output is correct
49 Correct 479 ms 3104 KB Output is correct
50 Correct 477 ms 3104 KB Output is correct
51 Correct 141 ms 3104 KB Output is correct
52 Correct 498 ms 3104 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 2296 KB Output is correct
2 Correct 22 ms 2404 KB Output is correct
3 Correct 5 ms 2404 KB Output is correct
4 Correct 11 ms 2412 KB Output is correct
5 Correct 49 ms 2568 KB Output is correct
6 Correct 19 ms 2568 KB Output is correct
7 Correct 14 ms 2568 KB Output is correct
8 Correct 26 ms 2568 KB Output is correct
9 Correct 23 ms 2568 KB Output is correct
10 Correct 57 ms 2660 KB Output is correct
11 Correct 66 ms 2792 KB Output is correct
12 Correct 58 ms 2792 KB Output is correct
13 Correct 52 ms 2792 KB Output is correct
14 Correct 56 ms 2792 KB Output is correct
15 Correct 60 ms 2792 KB Output is correct
16 Correct 63 ms 2792 KB Output is correct
17 Correct 37 ms 2792 KB Output is correct
18 Correct 56 ms 2792 KB Output is correct
19 Correct 54 ms 2792 KB Output is correct
20 Correct 62 ms 2792 KB Output is correct
21 Correct 119 ms 2792 KB Output is correct
22 Correct 134 ms 2792 KB Output is correct
23 Correct 97 ms 2792 KB Output is correct
24 Correct 322 ms 2792 KB Output is correct
25 Correct 173 ms 2792 KB Output is correct
26 Correct 258 ms 2792 KB Output is correct
27 Correct 223 ms 2792 KB Output is correct
28 Correct 224 ms 2792 KB Output is correct
29 Correct 192 ms 2792 KB Output is correct
30 Correct 235 ms 2792 KB Output is correct
31 Correct 183 ms 2792 KB Output is correct
32 Correct 189 ms 2792 KB Output is correct
33 Correct 188 ms 2792 KB Output is correct
34 Correct 178 ms 2792 KB Output is correct
35 Correct 241 ms 2792 KB Output is correct
36 Correct 185 ms 2792 KB Output is correct
37 Correct 367 ms 2828 KB Output is correct
38 Correct 360 ms 2828 KB Output is correct
39 Correct 472 ms 2828 KB Output is correct
40 Correct 518 ms 2828 KB Output is correct
41 Correct 482 ms 2828 KB Output is correct
42 Correct 440 ms 2828 KB Output is correct
43 Correct 431 ms 2920 KB Output is correct
44 Correct 462 ms 3104 KB Output is correct
45 Correct 498 ms 3104 KB Output is correct
46 Correct 512 ms 3104 KB Output is correct
47 Correct 469 ms 3104 KB Output is correct
48 Correct 444 ms 3104 KB Output is correct
49 Correct 479 ms 3104 KB Output is correct
50 Correct 477 ms 3104 KB Output is correct
51 Correct 141 ms 3104 KB Output is correct
52 Correct 498 ms 3104 KB Output is correct
53 Correct 560 ms 3104 KB Output is correct
54 Correct 635 ms 3104 KB Output is correct
55 Correct 643 ms 3228 KB Output is correct
56 Correct 545 ms 3228 KB Output is correct
57 Correct 714 ms 3260 KB Output is correct
58 Correct 633 ms 3260 KB Output is correct
59 Incorrect 627 ms 3260 KB Output isn't correct
60 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 2296 KB Output is correct
2 Correct 22 ms 2404 KB Output is correct
3 Correct 5 ms 2404 KB Output is correct
4 Correct 11 ms 2412 KB Output is correct
5 Correct 49 ms 2568 KB Output is correct
6 Correct 19 ms 2568 KB Output is correct
7 Correct 14 ms 2568 KB Output is correct
8 Correct 26 ms 2568 KB Output is correct
9 Correct 23 ms 2568 KB Output is correct
10 Correct 57 ms 2660 KB Output is correct
11 Correct 66 ms 2792 KB Output is correct
12 Correct 58 ms 2792 KB Output is correct
13 Correct 52 ms 2792 KB Output is correct
14 Correct 56 ms 2792 KB Output is correct
15 Correct 60 ms 2792 KB Output is correct
16 Correct 63 ms 2792 KB Output is correct
17 Correct 37 ms 2792 KB Output is correct
18 Correct 56 ms 2792 KB Output is correct
19 Correct 54 ms 2792 KB Output is correct
20 Correct 62 ms 2792 KB Output is correct
21 Correct 119 ms 2792 KB Output is correct
22 Correct 134 ms 2792 KB Output is correct
23 Correct 97 ms 2792 KB Output is correct
24 Correct 322 ms 2792 KB Output is correct
25 Correct 173 ms 2792 KB Output is correct
26 Correct 258 ms 2792 KB Output is correct
27 Correct 223 ms 2792 KB Output is correct
28 Correct 224 ms 2792 KB Output is correct
29 Correct 192 ms 2792 KB Output is correct
30 Correct 235 ms 2792 KB Output is correct
31 Correct 183 ms 2792 KB Output is correct
32 Correct 189 ms 2792 KB Output is correct
33 Correct 188 ms 2792 KB Output is correct
34 Correct 178 ms 2792 KB Output is correct
35 Correct 241 ms 2792 KB Output is correct
36 Correct 185 ms 2792 KB Output is correct
37 Correct 367 ms 2828 KB Output is correct
38 Correct 360 ms 2828 KB Output is correct
39 Correct 472 ms 2828 KB Output is correct
40 Correct 518 ms 2828 KB Output is correct
41 Correct 482 ms 2828 KB Output is correct
42 Correct 440 ms 2828 KB Output is correct
43 Correct 431 ms 2920 KB Output is correct
44 Correct 462 ms 3104 KB Output is correct
45 Correct 498 ms 3104 KB Output is correct
46 Correct 512 ms 3104 KB Output is correct
47 Correct 469 ms 3104 KB Output is correct
48 Correct 444 ms 3104 KB Output is correct
49 Correct 479 ms 3104 KB Output is correct
50 Correct 477 ms 3104 KB Output is correct
51 Correct 141 ms 3104 KB Output is correct
52 Correct 498 ms 3104 KB Output is correct
53 Correct 560 ms 3104 KB Output is correct
54 Correct 635 ms 3104 KB Output is correct
55 Correct 643 ms 3228 KB Output is correct
56 Correct 545 ms 3228 KB Output is correct
57 Correct 714 ms 3260 KB Output is correct
58 Correct 633 ms 3260 KB Output is correct
59 Incorrect 627 ms 3260 KB Output isn't correct
60 Halted 0 ms 0 KB -