oj.uz

Submission #689931

# Submission time Handle Problem Language Result Execution time Memory
689931 2023-01-29T19:05:59 Z YENGOYAN Bootfall (IZhO17_bootfall) C++17
100 / 100
 593 ms 4532 KB 
/*
        //\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\\
        \\                                    //
        //  271828___182845__904523__53602__  \\
        \\  87___47____13______52____66__24_  //
        //  97___75____72______47____09___36  \\
        \\  999595_____74______96____69___67  //
        //  62___77____24______07____66__30_  \\
        \\  35___35____47______59____45713__  //
        //                                    \\
        \\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\//
                                                    */

#include <iostream>
#include <vector>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <cmath>
#include <climits>
#include <algorithm>
#include <random>
#include <queue>
#include <deque>
#include <iomanip>
#include <string>
#include <tuple>
#include <bitset>
#include <chrono>
#include <ctime>
#include <fstream>
#include <stack>
#include <cstdio>

using namespace std;
using ll = long long;
const int N = 3e5 + 5;
const ll mod = 1e9 + 7, inf = 1e18;

void solve() {
    int n; cin >> n;
    vector<int> v(n);
    for (int i = 0; i < n; ++i) cin >> v[i];
    vector<ll> dp(250005);
    dp[0] = 1;
    ll sm = 0;
    for (int i = 0; i < n; ++i) {
        sm += v[i];
        for (int j = 250000 - v[i]; j >= 0; --j) {
            dp[j + v[i]] += dp[j];
        }
    }
    if (sm % 2 || !dp[sm / 2]) {
        cout << "0\n";
        return;
    }
    //return;
    vector<int> cnts(250005);
    vector<int> res;
    for (int i = 0; i < n; ++i) {
        for (int j = 0; j <= 250000; ++j) {
            if (dp[j] && j * 2 >= sm - v[i]) {
                ++cnts[2 * j - (sm - v[i])];
                if (cnts[2 * j - (sm - v[i])] == n) res.push_back(2 * j - (sm - v[i]));
            }
            if(j + v[i] <= 250000) dp[j + v[i]] -= dp[j];
        }
        for (int j = 250000 - v[i]; j >= 0; --j) dp[j + v[i]] += dp[j];
    }
    cout << res.size() << "\n";
    for (int i = 0; i < res.size(); ++i) cout << res[i] << " \n"[i + 1 == res.size()];
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    //int t; cin >> t;
    //while (t--)	
    solve();
}

Compilation message

bootfall.cpp: In function 'void solve()':
bootfall.cpp:72:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |     for (int i = 0; i < res.size(); ++i) cout << res[i] << " \n"[i + 1 == res.size()];
      |                     ~~^~~~~~~~~~~~
bootfall.cpp:72:72: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |     for (int i = 0; i < res.size(); ++i) cout << res[i] << " \n"[i + 1 == res.size()];
      |                                                                  ~~~~~~^~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 3156 KB Output is correct
2 Correct 6 ms 3192 KB Output is correct
3 Correct 2 ms 2260 KB Output is correct
4 Correct 4 ms 3276 KB Output is correct
5 Correct 10 ms 3156 KB Output is correct
6 Correct 6 ms 3192 KB Output is correct
7 Correct 6 ms 3156 KB Output is correct
8 Correct 8 ms 3264 KB Output is correct
9 Correct 7 ms 3260 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 3156 KB Output is correct
2 Correct 6 ms 3192 KB Output is correct
3 Correct 2 ms 2260 KB Output is correct
4 Correct 4 ms 3276 KB Output is correct
5 Correct 10 ms 3156 KB Output is correct
6 Correct 6 ms 3192 KB Output is correct
7 Correct 6 ms 3156 KB Output is correct
8 Correct 8 ms 3264 KB Output is correct
9 Correct 7 ms 3260 KB Output is correct
10 Correct 21 ms 3252 KB Output is correct
11 Correct 19 ms 3156 KB Output is correct
12 Correct 18 ms 3256 KB Output is correct
13 Correct 17 ms 3156 KB Output is correct
14 Correct 22 ms 3192 KB Output is correct
15 Correct 17 ms 3300 KB Output is correct
16 Correct 20 ms 3268 KB Output is correct
17 Correct 11 ms 3156 KB Output is correct
18 Correct 15 ms 3200 KB Output is correct
19 Correct 16 ms 3268 KB Output is correct
20 Correct 16 ms 3256 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 3156 KB Output is correct
2 Correct 6 ms 3192 KB Output is correct
3 Correct 2 ms 2260 KB Output is correct
4 Correct 4 ms 3276 KB Output is correct
5 Correct 10 ms 3156 KB Output is correct
6 Correct 6 ms 3192 KB Output is correct
7 Correct 6 ms 3156 KB Output is correct
8 Correct 8 ms 3264 KB Output is correct
9 Correct 7 ms 3260 KB Output is correct
10 Correct 21 ms 3252 KB Output is correct
11 Correct 19 ms 3156 KB Output is correct
12 Correct 18 ms 3256 KB Output is correct
13 Correct 17 ms 3156 KB Output is correct
14 Correct 22 ms 3192 KB Output is correct
15 Correct 17 ms 3300 KB Output is correct
16 Correct 20 ms 3268 KB Output is correct
17 Correct 11 ms 3156 KB Output is correct
18 Correct 15 ms 3200 KB Output is correct
19 Correct 16 ms 3268 KB Output is correct
20 Correct 16 ms 3256 KB Output is correct
21 Correct 47 ms 3156 KB Output is correct
22 Correct 41 ms 3264 KB Output is correct
23 Correct 28 ms 3276 KB Output is correct
24 Correct 55 ms 3252 KB Output is correct
25 Correct 49 ms 3252 KB Output is correct
26 Correct 52 ms 3256 KB Output is correct
27 Correct 53 ms 3272 KB Output is correct
28 Correct 53 ms 3260 KB Output is correct
29 Correct 52 ms 3252 KB Output is correct
30 Correct 52 ms 3156 KB Output is correct
31 Correct 59 ms 3272 KB Output is correct
32 Correct 63 ms 3180 KB Output is correct
33 Correct 51 ms 3160 KB Output is correct
34 Correct 62 ms 3156 KB Output is correct
35 Correct 61 ms 3252 KB Output is correct
36 Correct 55 ms 3252 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 3156 KB Output is correct
2 Correct 6 ms 3192 KB Output is correct
3 Correct 2 ms 2260 KB Output is correct
4 Correct 4 ms 3276 KB Output is correct
5 Correct 10 ms 3156 KB Output is correct
6 Correct 6 ms 3192 KB Output is correct
7 Correct 6 ms 3156 KB Output is correct
8 Correct 8 ms 3264 KB Output is correct
9 Correct 7 ms 3260 KB Output is correct
10 Correct 21 ms 3252 KB Output is correct
11 Correct 19 ms 3156 KB Output is correct
12 Correct 18 ms 3256 KB Output is correct
13 Correct 17 ms 3156 KB Output is correct
14 Correct 22 ms 3192 KB Output is correct
15 Correct 17 ms 3300 KB Output is correct
16 Correct 20 ms 3268 KB Output is correct
17 Correct 11 ms 3156 KB Output is correct
18 Correct 15 ms 3200 KB Output is correct
19 Correct 16 ms 3268 KB Output is correct
20 Correct 16 ms 3256 KB Output is correct
21 Correct 47 ms 3156 KB Output is correct
22 Correct 41 ms 3264 KB Output is correct
23 Correct 28 ms 3276 KB Output is correct
24 Correct 55 ms 3252 KB Output is correct
25 Correct 49 ms 3252 KB Output is correct
26 Correct 52 ms 3256 KB Output is correct
27 Correct 53 ms 3272 KB Output is correct
28 Correct 53 ms 3260 KB Output is correct
29 Correct 52 ms 3252 KB Output is correct
30 Correct 52 ms 3156 KB Output is correct
31 Correct 59 ms 3272 KB Output is correct
32 Correct 63 ms 3180 KB Output is correct
33 Correct 51 ms 3160 KB Output is correct
34 Correct 62 ms 3156 KB Output is correct
35 Correct 61 ms 3252 KB Output is correct
36 Correct 55 ms 3252 KB Output is correct
37 Correct 112 ms 3304 KB Output is correct
38 Correct 113 ms 3384 KB Output is correct
39 Correct 124 ms 3172 KB Output is correct
40 Correct 165 ms 3384 KB Output is correct
41 Correct 133 ms 3180 KB Output is correct
42 Correct 152 ms 3428 KB Output is correct
43 Correct 169 ms 3568 KB Output is correct
44 Correct 171 ms 3648 KB Output is correct
45 Correct 178 ms 3564 KB Output is correct
46 Correct 150 ms 3248 KB Output is correct
47 Correct 152 ms 3388 KB Output is correct
48 Correct 162 ms 3564 KB Output is correct
49 Correct 144 ms 3252 KB Output is correct
50 Correct 152 ms 3432 KB Output is correct
51 Correct 33 ms 2236 KB Output is correct
52 Correct 197 ms 3632 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 3156 KB Output is correct
2 Correct 6 ms 3192 KB Output is correct
3 Correct 2 ms 2260 KB Output is correct
4 Correct 4 ms 3276 KB Output is correct
5 Correct 10 ms 3156 KB Output is correct
6 Correct 6 ms 3192 KB Output is correct
7 Correct 6 ms 3156 KB Output is correct
8 Correct 8 ms 3264 KB Output is correct
9 Correct 7 ms 3260 KB Output is correct
10 Correct 21 ms 3252 KB Output is correct
11 Correct 19 ms 3156 KB Output is correct
12 Correct 18 ms 3256 KB Output is correct
13 Correct 17 ms 3156 KB Output is correct
14 Correct 22 ms 3192 KB Output is correct
15 Correct 17 ms 3300 KB Output is correct
16 Correct 20 ms 3268 KB Output is correct
17 Correct 11 ms 3156 KB Output is correct
18 Correct 15 ms 3200 KB Output is correct
19 Correct 16 ms 3268 KB Output is correct
20 Correct 16 ms 3256 KB Output is correct
21 Correct 47 ms 3156 KB Output is correct
22 Correct 41 ms 3264 KB Output is correct
23 Correct 28 ms 3276 KB Output is correct
24 Correct 55 ms 3252 KB Output is correct
25 Correct 49 ms 3252 KB Output is correct
26 Correct 52 ms 3256 KB Output is correct
27 Correct 53 ms 3272 KB Output is correct
28 Correct 53 ms 3260 KB Output is correct
29 Correct 52 ms 3252 KB Output is correct
30 Correct 52 ms 3156 KB Output is correct
31 Correct 59 ms 3272 KB Output is correct
32 Correct 63 ms 3180 KB Output is correct
33 Correct 51 ms 3160 KB Output is correct
34 Correct 62 ms 3156 KB Output is correct
35 Correct 61 ms 3252 KB Output is correct
36 Correct 55 ms 3252 KB Output is correct
37 Correct 112 ms 3304 KB Output is correct
38 Correct 113 ms 3384 KB Output is correct
39 Correct 124 ms 3172 KB Output is correct
40 Correct 165 ms 3384 KB Output is correct
41 Correct 133 ms 3180 KB Output is correct
42 Correct 152 ms 3428 KB Output is correct
43 Correct 169 ms 3568 KB Output is correct
44 Correct 171 ms 3648 KB Output is correct
45 Correct 178 ms 3564 KB Output is correct
46 Correct 150 ms 3248 KB Output is correct
47 Correct 152 ms 3388 KB Output is correct
48 Correct 162 ms 3564 KB Output is correct
49 Correct 144 ms 3252 KB Output is correct
50 Correct 152 ms 3432 KB Output is correct
51 Correct 33 ms 2236 KB Output is correct
52 Correct 197 ms 3632 KB Output is correct
53 Correct 187 ms 3512 KB Output is correct
54 Correct 247 ms 3644 KB Output is correct
55 Correct 287 ms 3768 KB Output is correct
56 Correct 205 ms 3636 KB Output is correct
57 Correct 298 ms 3820 KB Output is correct
58 Correct 260 ms 3640 KB Output is correct
59 Correct 256 ms 3644 KB Output is correct
60 Correct 46 ms 2260 KB Output is correct
61 Correct 265 ms 3688 KB Output is correct
62 Correct 249 ms 3824 KB Output is correct
63 Correct 259 ms 3840 KB Output is correct
64 Correct 254 ms 3772 KB Output is correct
65 Correct 157 ms 3260 KB Output is correct
66 Correct 195 ms 3248 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 3156 KB Output is correct
2 Correct 6 ms 3192 KB Output is correct
3 Correct 2 ms 2260 KB Output is correct
4 Correct 4 ms 3276 KB Output is correct
5 Correct 10 ms 3156 KB Output is correct
6 Correct 6 ms 3192 KB Output is correct
7 Correct 6 ms 3156 KB Output is correct
8 Correct 8 ms 3264 KB Output is correct
9 Correct 7 ms 3260 KB Output is correct
10 Correct 21 ms 3252 KB Output is correct
11 Correct 19 ms 3156 KB Output is correct
12 Correct 18 ms 3256 KB Output is correct
13 Correct 17 ms 3156 KB Output is correct
14 Correct 22 ms 3192 KB Output is correct
15 Correct 17 ms 3300 KB Output is correct
16 Correct 20 ms 3268 KB Output is correct
17 Correct 11 ms 3156 KB Output is correct
18 Correct 15 ms 3200 KB Output is correct
19 Correct 16 ms 3268 KB Output is correct
20 Correct 16 ms 3256 KB Output is correct
21 Correct 47 ms 3156 KB Output is correct
22 Correct 41 ms 3264 KB Output is correct
23 Correct 28 ms 3276 KB Output is correct
24 Correct 55 ms 3252 KB Output is correct
25 Correct 49 ms 3252 KB Output is correct
26 Correct 52 ms 3256 KB Output is correct
27 Correct 53 ms 3272 KB Output is correct
28 Correct 53 ms 3260 KB Output is correct
29 Correct 52 ms 3252 KB Output is correct
30 Correct 52 ms 3156 KB Output is correct
31 Correct 59 ms 3272 KB Output is correct
32 Correct 63 ms 3180 KB Output is correct
33 Correct 51 ms 3160 KB Output is correct
34 Correct 62 ms 3156 KB Output is correct
35 Correct 61 ms 3252 KB Output is correct
36 Correct 55 ms 3252 KB Output is correct
37 Correct 112 ms 3304 KB Output is correct
38 Correct 113 ms 3384 KB Output is correct
39 Correct 124 ms 3172 KB Output is correct
40 Correct 165 ms 3384 KB Output is correct
41 Correct 133 ms 3180 KB Output is correct
42 Correct 152 ms 3428 KB Output is correct
43 Correct 169 ms 3568 KB Output is correct
44 Correct 171 ms 3648 KB Output is correct
45 Correct 178 ms 3564 KB Output is correct
46 Correct 150 ms 3248 KB Output is correct
47 Correct 152 ms 3388 KB Output is correct
48 Correct 162 ms 3564 KB Output is correct
49 Correct 144 ms 3252 KB Output is correct
50 Correct 152 ms 3432 KB Output is correct
51 Correct 33 ms 2236 KB Output is correct
52 Correct 197 ms 3632 KB Output is correct
53 Correct 187 ms 3512 KB Output is correct
54 Correct 247 ms 3644 KB Output is correct
55 Correct 287 ms 3768 KB Output is correct
56 Correct 205 ms 3636 KB Output is correct
57 Correct 298 ms 3820 KB Output is correct
58 Correct 260 ms 3640 KB Output is correct
59 Correct 256 ms 3644 KB Output is correct
60 Correct 46 ms 2260 KB Output is correct
61 Correct 265 ms 3688 KB Output is correct
62 Correct 249 ms 3824 KB Output is correct
63 Correct 259 ms 3840 KB Output is correct
64 Correct 254 ms 3772 KB Output is correct
65 Correct 157 ms 3260 KB Output is correct
66 Correct 195 ms 3248 KB Output is correct
67 Correct 311 ms 3772 KB Output is correct
68 Correct 63 ms 2236 KB Output is correct
69 Correct 584 ms 4400 KB Output is correct
70 Correct 452 ms 3924 KB Output is correct
71 Correct 475 ms 3896 KB Output is correct
72 Correct 470 ms 3256 KB Output is correct
73 Correct 528 ms 3248 KB Output is correct
74 Correct 593 ms 4396 KB Output is correct
75 Correct 505 ms 4272 KB Output is correct
76 Correct 555 ms 4424 KB Output is correct
77 Correct 574 ms 4532 KB Output is correct