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답안 #522899

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
522899 2022-02-06T11:13:28 Z Nursik Bootfall (IZhO17_bootfall) C++14
100 / 100
 573 ms 8124 KB 
#include <bits/stdc++.h>

#define pb push_back
#define ll long long
#define ld long double
#define f first
#define s second
#define mp make_pair

const ll maxn = 5e2 + 1, maxm = 3e5 + 1,  maxk = 61;
const ll inf = 1000000000, mod = inf + 7, mod2 = 998244353;
const ll pa = 31, block = 400;

using namespace std;

ll n, sum;
unsigned ll a[maxn], dp[maxm], cnt[maxm], ans[maxm];
int main(){
  //  ios_base::sync_with_stdio(false);
   // cin.tie(0), cout.tie(0);
    cin >> n;
    dp[0] = 1;
    for (int i = 1; i <= n; ++i){
        cin >> a[i];
        for(int j = maxm - 1; j >= a[i]; j--)
            dp[j] += dp[j - a[i]];
        sum += a[i];
    }
    if (sum % 2 != 0 || dp[sum / 2] == 0){
        cout << 0;
        return 0;
    }
    for (int i = 1; i <= n; ++i){
        for (int j = a[i]; j <= maxm - 1; ++j){
            dp[j] -= dp[j - a[i]];
        }
        for (int j = 0; j <= maxm - 1; ++j){
            if (dp[j] > 0){
                int f = j, s = sum - a[i] - j;
                int rz = abs(f - s);
                cnt[rz] = 1;
            }
        }
        for (int j = 0; j <= maxm - 1; ++j){
            if (cnt[j] > 0){
                ans[j]++;
            }
            cnt[j] = 0;
        }
        for (int j = maxm - 1; j >= a[i]; --j){
            dp[j] += dp[j - a[i]];
        }
    }
    vector<int> v;
    for (int i = 1; i <= maxm - 1; ++i){
        if (ans[i] == n){
            v.pb(i);
        }
    }
    cout << v.size() << '\n';
    for (auto it : v){
        cout << it << " ";
    }
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:25:33: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   25 |         for(int j = maxm - 1; j >= a[i]; j--)
      |                               ~~^~~~~~~
bootfall.cpp:50:34: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   50 |         for (int j = maxm - 1; j >= a[i]; --j){
      |                                ~~^~~~~~~
bootfall.cpp:56:20: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'long long int' [-Wsign-compare]
   56 |         if (ans[i] == n){
      |             ~~~~~~~^~~~

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 4940 KB Output is correct
2 Correct 10 ms 4972 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 8 ms 4940 KB Output is correct
5 Correct 16 ms 4952 KB Output is correct
6 Correct 12 ms 4940 KB Output is correct
7 Correct 10 ms 4992 KB Output is correct
8 Correct 15 ms 5012 KB Output is correct
9 Correct 14 ms 4952 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 4940 KB Output is correct
2 Correct 10 ms 4972 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 8 ms 4940 KB Output is correct
5 Correct 16 ms 4952 KB Output is correct
6 Correct 12 ms 4940 KB Output is correct
7 Correct 10 ms 4992 KB Output is correct
8 Correct 15 ms 5012 KB Output is correct
9 Correct 14 ms 4952 KB Output is correct
10 Correct 34 ms 4976 KB Output is correct
11 Correct 36 ms 4988 KB Output is correct
12 Correct 36 ms 4940 KB Output is correct
13 Correct 32 ms 4972 KB Output is correct
14 Correct 32 ms 4952 KB Output is correct
15 Correct 36 ms 4984 KB Output is correct
16 Correct 40 ms 4976 KB Output is correct
17 Correct 22 ms 4880 KB Output is correct
18 Correct 30 ms 4976 KB Output is correct
19 Correct 34 ms 4940 KB Output is correct
20 Correct 36 ms 4940 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 4940 KB Output is correct
2 Correct 10 ms 4972 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 8 ms 4940 KB Output is correct
5 Correct 16 ms 4952 KB Output is correct
6 Correct 12 ms 4940 KB Output is correct
7 Correct 10 ms 4992 KB Output is correct
8 Correct 15 ms 5012 KB Output is correct
9 Correct 14 ms 4952 KB Output is correct
10 Correct 34 ms 4976 KB Output is correct
11 Correct 36 ms 4988 KB Output is correct
12 Correct 36 ms 4940 KB Output is correct
13 Correct 32 ms 4972 KB Output is correct
14 Correct 32 ms 4952 KB Output is correct
15 Correct 36 ms 4984 KB Output is correct
16 Correct 40 ms 4976 KB Output is correct
17 Correct 22 ms 4880 KB Output is correct
18 Correct 30 ms 4976 KB Output is correct
19 Correct 34 ms 4940 KB Output is correct
20 Correct 36 ms 4940 KB Output is correct
21 Correct 70 ms 5060 KB Output is correct
22 Correct 80 ms 5000 KB Output is correct
23 Correct 74 ms 5036 KB Output is correct
24 Correct 97 ms 4948 KB Output is correct
25 Correct 103 ms 5056 KB Output is correct
26 Correct 106 ms 5044 KB Output is correct
27 Correct 103 ms 5068 KB Output is correct
28 Correct 106 ms 5068 KB Output is correct
29 Correct 105 ms 5052 KB Output is correct
30 Correct 107 ms 5012 KB Output is correct
31 Correct 102 ms 5060 KB Output is correct
32 Correct 104 ms 5012 KB Output is correct
33 Correct 114 ms 5052 KB Output is correct
34 Correct 103 ms 4948 KB Output is correct
35 Correct 102 ms 5052 KB Output is correct
36 Correct 104 ms 5060 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 4940 KB Output is correct
2 Correct 10 ms 4972 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 8 ms 4940 KB Output is correct
5 Correct 16 ms 4952 KB Output is correct
6 Correct 12 ms 4940 KB Output is correct
7 Correct 10 ms 4992 KB Output is correct
8 Correct 15 ms 5012 KB Output is correct
9 Correct 14 ms 4952 KB Output is correct
10 Correct 34 ms 4976 KB Output is correct
11 Correct 36 ms 4988 KB Output is correct
12 Correct 36 ms 4940 KB Output is correct
13 Correct 32 ms 4972 KB Output is correct
14 Correct 32 ms 4952 KB Output is correct
15 Correct 36 ms 4984 KB Output is correct
16 Correct 40 ms 4976 KB Output is correct
17 Correct 22 ms 4880 KB Output is correct
18 Correct 30 ms 4976 KB Output is correct
19 Correct 34 ms 4940 KB Output is correct
20 Correct 36 ms 4940 KB Output is correct
21 Correct 70 ms 5060 KB Output is correct
22 Correct 80 ms 5000 KB Output is correct
23 Correct 74 ms 5036 KB Output is correct
24 Correct 97 ms 4948 KB Output is correct
25 Correct 103 ms 5056 KB Output is correct
26 Correct 106 ms 5044 KB Output is correct
27 Correct 103 ms 5068 KB Output is correct
28 Correct 106 ms 5068 KB Output is correct
29 Correct 105 ms 5052 KB Output is correct
30 Correct 107 ms 5012 KB Output is correct
31 Correct 102 ms 5060 KB Output is correct
32 Correct 104 ms 5012 KB Output is correct
33 Correct 114 ms 5052 KB Output is correct
34 Correct 103 ms 4948 KB Output is correct
35 Correct 102 ms 5052 KB Output is correct
36 Correct 104 ms 5060 KB Output is correct
37 Correct 224 ms 5256 KB Output is correct
38 Correct 201 ms 5188 KB Output is correct
39 Correct 265 ms 5456 KB Output is correct
40 Correct 296 ms 5444 KB Output is correct
41 Correct 280 ms 5576 KB Output is correct
42 Correct 251 ms 5340 KB Output is correct
43 Correct 264 ms 5788 KB Output is correct
44 Correct 257 ms 5796 KB Output is correct
45 Correct 261 ms 5700 KB Output is correct
46 Correct 285 ms 5224 KB Output is correct
47 Correct 256 ms 5360 KB Output is correct
48 Correct 267 ms 5712 KB Output is correct
49 Correct 256 ms 5456 KB Output is correct
50 Correct 254 ms 5456 KB Output is correct
51 Correct 52 ms 2636 KB Output is correct
52 Correct 276 ms 5840 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 4940 KB Output is correct
2 Correct 10 ms 4972 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 8 ms 4940 KB Output is correct
5 Correct 16 ms 4952 KB Output is correct
6 Correct 12 ms 4940 KB Output is correct
7 Correct 10 ms 4992 KB Output is correct
8 Correct 15 ms 5012 KB Output is correct
9 Correct 14 ms 4952 KB Output is correct
10 Correct 34 ms 4976 KB Output is correct
11 Correct 36 ms 4988 KB Output is correct
12 Correct 36 ms 4940 KB Output is correct
13 Correct 32 ms 4972 KB Output is correct
14 Correct 32 ms 4952 KB Output is correct
15 Correct 36 ms 4984 KB Output is correct
16 Correct 40 ms 4976 KB Output is correct
17 Correct 22 ms 4880 KB Output is correct
18 Correct 30 ms 4976 KB Output is correct
19 Correct 34 ms 4940 KB Output is correct
20 Correct 36 ms 4940 KB Output is correct
21 Correct 70 ms 5060 KB Output is correct
22 Correct 80 ms 5000 KB Output is correct
23 Correct 74 ms 5036 KB Output is correct
24 Correct 97 ms 4948 KB Output is correct
25 Correct 103 ms 5056 KB Output is correct
26 Correct 106 ms 5044 KB Output is correct
27 Correct 103 ms 5068 KB Output is correct
28 Correct 106 ms 5068 KB Output is correct
29 Correct 105 ms 5052 KB Output is correct
30 Correct 107 ms 5012 KB Output is correct
31 Correct 102 ms 5060 KB Output is correct
32 Correct 104 ms 5012 KB Output is correct
33 Correct 114 ms 5052 KB Output is correct
34 Correct 103 ms 4948 KB Output is correct
35 Correct 102 ms 5052 KB Output is correct
36 Correct 104 ms 5060 KB Output is correct
37 Correct 224 ms 5256 KB Output is correct
38 Correct 201 ms 5188 KB Output is correct
39 Correct 265 ms 5456 KB Output is correct
40 Correct 296 ms 5444 KB Output is correct
41 Correct 280 ms 5576 KB Output is correct
42 Correct 251 ms 5340 KB Output is correct
43 Correct 264 ms 5788 KB Output is correct
44 Correct 257 ms 5796 KB Output is correct
45 Correct 261 ms 5700 KB Output is correct
46 Correct 285 ms 5224 KB Output is correct
47 Correct 256 ms 5360 KB Output is correct
48 Correct 267 ms 5712 KB Output is correct
49 Correct 256 ms 5456 KB Output is correct
50 Correct 254 ms 5456 KB Output is correct
51 Correct 52 ms 2636 KB Output is correct
52 Correct 276 ms 5840 KB Output is correct
53 Correct 305 ms 5576 KB Output is correct
54 Correct 363 ms 5828 KB Output is correct
55 Correct 375 ms 6348 KB Output is correct
56 Correct 354 ms 5800 KB Output is correct
57 Correct 371 ms 6464 KB Output is correct
58 Correct 370 ms 5836 KB Output is correct
59 Correct 360 ms 6208 KB Output is correct
60 Correct 78 ms 2636 KB Output is correct
61 Correct 381 ms 6076 KB Output is correct
62 Correct 370 ms 6208 KB Output is correct
63 Correct 342 ms 6300 KB Output is correct
64 Correct 343 ms 6348 KB Output is correct
65 Correct 344 ms 5352 KB Output is correct
66 Correct 312 ms 5452 KB Output is correct

Subtask #6
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 4940 KB Output is correct
2 Correct 10 ms 4972 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 8 ms 4940 KB Output is correct
5 Correct 16 ms 4952 KB Output is correct
6 Correct 12 ms 4940 KB Output is correct
7 Correct 10 ms 4992 KB Output is correct
8 Correct 15 ms 5012 KB Output is correct
9 Correct 14 ms 4952 KB Output is correct
10 Correct 34 ms 4976 KB Output is correct
11 Correct 36 ms 4988 KB Output is correct
12 Correct 36 ms 4940 KB Output is correct
13 Correct 32 ms 4972 KB Output is correct
14 Correct 32 ms 4952 KB Output is correct
15 Correct 36 ms 4984 KB Output is correct
16 Correct 40 ms 4976 KB Output is correct
17 Correct 22 ms 4880 KB Output is correct
18 Correct 30 ms 4976 KB Output is correct
19 Correct 34 ms 4940 KB Output is correct
20 Correct 36 ms 4940 KB Output is correct
21 Correct 70 ms 5060 KB Output is correct
22 Correct 80 ms 5000 KB Output is correct
23 Correct 74 ms 5036 KB Output is correct
24 Correct 97 ms 4948 KB Output is correct
25 Correct 103 ms 5056 KB Output is correct
26 Correct 106 ms 5044 KB Output is correct
27 Correct 103 ms 5068 KB Output is correct
28 Correct 106 ms 5068 KB Output is correct
29 Correct 105 ms 5052 KB Output is correct
30 Correct 107 ms 5012 KB Output is correct
31 Correct 102 ms 5060 KB Output is correct
32 Correct 104 ms 5012 KB Output is correct
33 Correct 114 ms 5052 KB Output is correct
34 Correct 103 ms 4948 KB Output is correct
35 Correct 102 ms 5052 KB Output is correct
36 Correct 104 ms 5060 KB Output is correct
37 Correct 224 ms 5256 KB Output is correct
38 Correct 201 ms 5188 KB Output is correct
39 Correct 265 ms 5456 KB Output is correct
40 Correct 296 ms 5444 KB Output is correct
41 Correct 280 ms 5576 KB Output is correct
42 Correct 251 ms 5340 KB Output is correct
43 Correct 264 ms 5788 KB Output is correct
44 Correct 257 ms 5796 KB Output is correct
45 Correct 261 ms 5700 KB Output is correct
46 Correct 285 ms 5224 KB Output is correct
47 Correct 256 ms 5360 KB Output is correct
48 Correct 267 ms 5712 KB Output is correct
49 Correct 256 ms 5456 KB Output is correct
50 Correct 254 ms 5456 KB Output is correct
51 Correct 52 ms 2636 KB Output is correct
52 Correct 276 ms 5840 KB Output is correct
53 Correct 305 ms 5576 KB Output is correct
54 Correct 363 ms 5828 KB Output is correct
55 Correct 375 ms 6348 KB Output is correct
56 Correct 354 ms 5800 KB Output is correct
57 Correct 371 ms 6464 KB Output is correct
58 Correct 370 ms 5836 KB Output is correct
59 Correct 360 ms 6208 KB Output is correct
60 Correct 78 ms 2636 KB Output is correct
61 Correct 381 ms 6076 KB Output is correct
62 Correct 370 ms 6208 KB Output is correct
63 Correct 342 ms 6300 KB Output is correct
64 Correct 343 ms 6348 KB Output is correct
65 Correct 344 ms 5352 KB Output is correct
66 Correct 312 ms 5452 KB Output is correct
67 Correct 439 ms 6204 KB Output is correct
68 Correct 109 ms 2636 KB Output is correct
69 Correct 573 ms 7880 KB Output is correct
70 Correct 528 ms 6716 KB Output is correct
71 Correct 555 ms 6584 KB Output is correct
72 Correct 551 ms 5964 KB Output is correct
73 Correct 560 ms 5952 KB Output is correct
74 Correct 563 ms 7868 KB Output is correct
75 Correct 560 ms 7352 KB Output is correct
76 Correct 570 ms 8008 KB Output is correct
77 Correct 567 ms 8124 KB Output is correct