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Submission #344749

# Submission time Handle Problem Language Result Execution time Memory
344749 2021-01-06T13:35:12 Z fixikmila Bootfall (IZhO17_bootfall) C++14
100 / 100
 422 ms 5992 KB 
#include <bits/stdc++.h>
using namespace std;
#define MOD 1000000007
typedef long long ll;
typedef pair<ll,ll>pll;
typedef long double ld;
ll bin_pow(ll a,ll b){
    if(b==0)return 1;
    if(b%2==0){
        ll t=bin_pow(a,b/2);
        return t*t%MOD;
    }
    else return a*bin_pow(a,b-1)%MOD;
}
ll dp[250001],d[250001];
int main()
{
    //freopen("stones.in","r",stdin);
    //freopen("stones.out","w",stdout);
    ios::sync_with_stdio(false);
    cin.tie(0);
    ll t=1,n,m,k=0,sum=0,l=0,r=0,x=0,y=0,z=0,ans=0,mn=LLONG_MAX,mx=LLONG_MIN;
    cin>>n;
    vector<ll>a(n);
    dp[0]=1;
    for(int i=0;i<n;i++){
        cin>>a[i];
        sum+=a[i];
        for(int j=sum;j>=a[i];j--)dp[j]+=dp[j-a[i]];// с конца т к к более мелким еще не успели прибавить
    }
    if(sum%2||!dp[sum/2]){
        cout<<0;
        return 0;
    }
    for(int i=0;i<n;i++){
        for(int j=a[i];j<=sum;j++)dp[j]-=dp[j-a[i]];//сначала, тк чтобы когда мы отнимали от j-того, от j-a[i]-го уже было отнято то, что было сделано с помощью а_и
        sum-=a[i];
            for(int j=0;j<=500*500;j++){
            if((sum+j)%2||!dp[(sum+j)/2])d[j]=1;
        }
        sum+=a[i];
        for(int j=sum;j>=a[i];j--)dp[j]+=dp[j-a[i]];
    }
    vector<ll>c;
    for(int i=0;i<=250000;i++){
        if(d[i])continue;
        c.push_back(i);
    }
    cout<<c.size()<<"\n";
    for(auto u : c)cout<<u<<" ";
    return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:22:8: warning: unused variable 't' [-Wunused-variable]
   22 |     ll t=1,n,m,k=0,sum=0,l=0,r=0,x=0,y=0,z=0,ans=0,mn=LLONG_MAX,mx=LLONG_MIN;
      |        ^
bootfall.cpp:22:14: warning: unused variable 'm' [-Wunused-variable]
   22 |     ll t=1,n,m,k=0,sum=0,l=0,r=0,x=0,y=0,z=0,ans=0,mn=LLONG_MAX,mx=LLONG_MIN;
      |              ^
bootfall.cpp:22:16: warning: unused variable 'k' [-Wunused-variable]
   22 |     ll t=1,n,m,k=0,sum=0,l=0,r=0,x=0,y=0,z=0,ans=0,mn=LLONG_MAX,mx=LLONG_MIN;
      |                ^
bootfall.cpp:22:26: warning: unused variable 'l' [-Wunused-variable]
   22 |     ll t=1,n,m,k=0,sum=0,l=0,r=0,x=0,y=0,z=0,ans=0,mn=LLONG_MAX,mx=LLONG_MIN;
      |                          ^
bootfall.cpp:22:30: warning: unused variable 'r' [-Wunused-variable]
   22 |     ll t=1,n,m,k=0,sum=0,l=0,r=0,x=0,y=0,z=0,ans=0,mn=LLONG_MAX,mx=LLONG_MIN;
      |                              ^
bootfall.cpp:22:34: warning: unused variable 'x' [-Wunused-variable]
   22 |     ll t=1,n,m,k=0,sum=0,l=0,r=0,x=0,y=0,z=0,ans=0,mn=LLONG_MAX,mx=LLONG_MIN;
      |                                  ^
bootfall.cpp:22:38: warning: unused variable 'y' [-Wunused-variable]
   22 |     ll t=1,n,m,k=0,sum=0,l=0,r=0,x=0,y=0,z=0,ans=0,mn=LLONG_MAX,mx=LLONG_MIN;
      |                                      ^
bootfall.cpp:22:42: warning: unused variable 'z' [-Wunused-variable]
   22 |     ll t=1,n,m,k=0,sum=0,l=0,r=0,x=0,y=0,z=0,ans=0,mn=LLONG_MAX,mx=LLONG_MIN;
      |                                          ^
bootfall.cpp:22:46: warning: unused variable 'ans' [-Wunused-variable]
   22 |     ll t=1,n,m,k=0,sum=0,l=0,r=0,x=0,y=0,z=0,ans=0,mn=LLONG_MAX,mx=LLONG_MIN;
      |                                              ^~~
bootfall.cpp:22:52: warning: unused variable 'mn' [-Wunused-variable]
   22 |     ll t=1,n,m,k=0,sum=0,l=0,r=0,x=0,y=0,z=0,ans=0,mn=LLONG_MAX,mx=LLONG_MIN;
      |                                                    ^~
bootfall.cpp:22:65: warning: unused variable 'mx' [-Wunused-variable]
   22 |     ll t=1,n,m,k=0,sum=0,l=0,r=0,x=0,y=0,z=0,ans=0,mn=LLONG_MAX,mx=LLONG_MIN;
      |                                                                 ^~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2284 KB Output is correct
2 Correct 4 ms 2284 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 3 ms 2284 KB Output is correct
5 Correct 6 ms 2284 KB Output is correct
6 Correct 5 ms 2284 KB Output is correct
7 Correct 4 ms 2284 KB Output is correct
8 Correct 6 ms 2284 KB Output is correct
9 Correct 5 ms 2284 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2284 KB Output is correct
2 Correct 4 ms 2284 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 3 ms 2284 KB Output is correct
5 Correct 6 ms 2284 KB Output is correct
6 Correct 5 ms 2284 KB Output is correct
7 Correct 4 ms 2284 KB Output is correct
8 Correct 6 ms 2284 KB Output is correct
9 Correct 5 ms 2284 KB Output is correct
10 Correct 13 ms 2284 KB Output is correct
11 Correct 13 ms 2284 KB Output is correct
12 Correct 13 ms 2284 KB Output is correct
13 Correct 11 ms 2284 KB Output is correct
14 Correct 12 ms 2284 KB Output is correct
15 Correct 12 ms 2284 KB Output is correct
16 Correct 13 ms 2284 KB Output is correct
17 Correct 8 ms 2284 KB Output is correct
18 Correct 11 ms 2284 KB Output is correct
19 Correct 12 ms 2284 KB Output is correct
20 Correct 13 ms 2284 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2284 KB Output is correct
2 Correct 4 ms 2284 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 3 ms 2284 KB Output is correct
5 Correct 6 ms 2284 KB Output is correct
6 Correct 5 ms 2284 KB Output is correct
7 Correct 4 ms 2284 KB Output is correct
8 Correct 6 ms 2284 KB Output is correct
9 Correct 5 ms 2284 KB Output is correct
10 Correct 13 ms 2284 KB Output is correct
11 Correct 13 ms 2284 KB Output is correct
12 Correct 13 ms 2284 KB Output is correct
13 Correct 11 ms 2284 KB Output is correct
14 Correct 12 ms 2284 KB Output is correct
15 Correct 12 ms 2284 KB Output is correct
16 Correct 13 ms 2284 KB Output is correct
17 Correct 8 ms 2284 KB Output is correct
18 Correct 11 ms 2284 KB Output is correct
19 Correct 12 ms 2284 KB Output is correct
20 Correct 13 ms 2284 KB Output is correct
21 Correct 25 ms 2412 KB Output is correct
22 Correct 30 ms 2412 KB Output is correct
23 Correct 22 ms 2412 KB Output is correct
24 Correct 37 ms 2412 KB Output is correct
25 Correct 37 ms 2412 KB Output is correct
26 Correct 41 ms 2412 KB Output is correct
27 Correct 39 ms 2412 KB Output is correct
28 Correct 41 ms 2540 KB Output is correct
29 Correct 41 ms 2412 KB Output is correct
30 Correct 39 ms 2284 KB Output is correct
31 Correct 39 ms 2432 KB Output is correct
32 Correct 38 ms 2412 KB Output is correct
33 Correct 40 ms 2412 KB Output is correct
34 Correct 39 ms 2432 KB Output is correct
35 Correct 43 ms 2540 KB Output is correct
36 Correct 39 ms 2412 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2284 KB Output is correct
2 Correct 4 ms 2284 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 3 ms 2284 KB Output is correct
5 Correct 6 ms 2284 KB Output is correct
6 Correct 5 ms 2284 KB Output is correct
7 Correct 4 ms 2284 KB Output is correct
8 Correct 6 ms 2284 KB Output is correct
9 Correct 5 ms 2284 KB Output is correct
10 Correct 13 ms 2284 KB Output is correct
11 Correct 13 ms 2284 KB Output is correct
12 Correct 13 ms 2284 KB Output is correct
13 Correct 11 ms 2284 KB Output is correct
14 Correct 12 ms 2284 KB Output is correct
15 Correct 12 ms 2284 KB Output is correct
16 Correct 13 ms 2284 KB Output is correct
17 Correct 8 ms 2284 KB Output is correct
18 Correct 11 ms 2284 KB Output is correct
19 Correct 12 ms 2284 KB Output is correct
20 Correct 13 ms 2284 KB Output is correct
21 Correct 25 ms 2412 KB Output is correct
22 Correct 30 ms 2412 KB Output is correct
23 Correct 22 ms 2412 KB Output is correct
24 Correct 37 ms 2412 KB Output is correct
25 Correct 37 ms 2412 KB Output is correct
26 Correct 41 ms 2412 KB Output is correct
27 Correct 39 ms 2412 KB Output is correct
28 Correct 41 ms 2540 KB Output is correct
29 Correct 41 ms 2412 KB Output is correct
30 Correct 39 ms 2284 KB Output is correct
31 Correct 39 ms 2432 KB Output is correct
32 Correct 38 ms 2412 KB Output is correct
33 Correct 40 ms 2412 KB Output is correct
34 Correct 39 ms 2432 KB Output is correct
35 Correct 43 ms 2540 KB Output is correct
36 Correct 39 ms 2412 KB Output is correct
37 Correct 82 ms 2796 KB Output is correct
38 Correct 82 ms 2668 KB Output is correct
39 Correct 127 ms 2844 KB Output is correct
40 Correct 120 ms 2924 KB Output is correct
41 Correct 140 ms 2936 KB Output is correct
42 Correct 107 ms 2924 KB Output is correct
43 Correct 120 ms 3196 KB Output is correct
44 Correct 118 ms 3180 KB Output is correct
45 Correct 119 ms 3308 KB Output is correct
46 Correct 114 ms 2540 KB Output is correct
47 Correct 111 ms 2872 KB Output is correct
48 Correct 123 ms 3200 KB Output is correct
49 Correct 122 ms 2924 KB Output is correct
50 Correct 107 ms 2924 KB Output is correct
51 Correct 3 ms 620 KB Output is correct
52 Correct 136 ms 3436 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2284 KB Output is correct
2 Correct 4 ms 2284 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 3 ms 2284 KB Output is correct
5 Correct 6 ms 2284 KB Output is correct
6 Correct 5 ms 2284 KB Output is correct
7 Correct 4 ms 2284 KB Output is correct
8 Correct 6 ms 2284 KB Output is correct
9 Correct 5 ms 2284 KB Output is correct
10 Correct 13 ms 2284 KB Output is correct
11 Correct 13 ms 2284 KB Output is correct
12 Correct 13 ms 2284 KB Output is correct
13 Correct 11 ms 2284 KB Output is correct
14 Correct 12 ms 2284 KB Output is correct
15 Correct 12 ms 2284 KB Output is correct
16 Correct 13 ms 2284 KB Output is correct
17 Correct 8 ms 2284 KB Output is correct
18 Correct 11 ms 2284 KB Output is correct
19 Correct 12 ms 2284 KB Output is correct
20 Correct 13 ms 2284 KB Output is correct
21 Correct 25 ms 2412 KB Output is correct
22 Correct 30 ms 2412 KB Output is correct
23 Correct 22 ms 2412 KB Output is correct
24 Correct 37 ms 2412 KB Output is correct
25 Correct 37 ms 2412 KB Output is correct
26 Correct 41 ms 2412 KB Output is correct
27 Correct 39 ms 2412 KB Output is correct
28 Correct 41 ms 2540 KB Output is correct
29 Correct 41 ms 2412 KB Output is correct
30 Correct 39 ms 2284 KB Output is correct
31 Correct 39 ms 2432 KB Output is correct
32 Correct 38 ms 2412 KB Output is correct
33 Correct 40 ms 2412 KB Output is correct
34 Correct 39 ms 2432 KB Output is correct
35 Correct 43 ms 2540 KB Output is correct
36 Correct 39 ms 2412 KB Output is correct
37 Correct 82 ms 2796 KB Output is correct
38 Correct 82 ms 2668 KB Output is correct
39 Correct 127 ms 2844 KB Output is correct
40 Correct 120 ms 2924 KB Output is correct
41 Correct 140 ms 2936 KB Output is correct
42 Correct 107 ms 2924 KB Output is correct
43 Correct 120 ms 3196 KB Output is correct
44 Correct 118 ms 3180 KB Output is correct
45 Correct 119 ms 3308 KB Output is correct
46 Correct 114 ms 2540 KB Output is correct
47 Correct 111 ms 2872 KB Output is correct
48 Correct 123 ms 3200 KB Output is correct
49 Correct 122 ms 2924 KB Output is correct
50 Correct 107 ms 2924 KB Output is correct
51 Correct 3 ms 620 KB Output is correct
52 Correct 136 ms 3436 KB Output is correct
53 Correct 136 ms 3180 KB Output is correct
54 Correct 166 ms 3308 KB Output is correct
55 Correct 207 ms 4072 KB Output is correct
56 Correct 147 ms 3308 KB Output is correct
57 Correct 212 ms 4072 KB Output is correct
58 Correct 171 ms 3308 KB Output is correct
59 Correct 178 ms 3564 KB Output is correct
60 Correct 7 ms 876 KB Output is correct
61 Correct 188 ms 3688 KB Output is correct
62 Correct 179 ms 3816 KB Output is correct
63 Correct 181 ms 3944 KB Output is correct
64 Correct 179 ms 4056 KB Output is correct
65 Correct 148 ms 2668 KB Output is correct
66 Correct 147 ms 2924 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2284 KB Output is correct
2 Correct 4 ms 2284 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 3 ms 2284 KB Output is correct
5 Correct 6 ms 2284 KB Output is correct
6 Correct 5 ms 2284 KB Output is correct
7 Correct 4 ms 2284 KB Output is correct
8 Correct 6 ms 2284 KB Output is correct
9 Correct 5 ms 2284 KB Output is correct
10 Correct 13 ms 2284 KB Output is correct
11 Correct 13 ms 2284 KB Output is correct
12 Correct 13 ms 2284 KB Output is correct
13 Correct 11 ms 2284 KB Output is correct
14 Correct 12 ms 2284 KB Output is correct
15 Correct 12 ms 2284 KB Output is correct
16 Correct 13 ms 2284 KB Output is correct
17 Correct 8 ms 2284 KB Output is correct
18 Correct 11 ms 2284 KB Output is correct
19 Correct 12 ms 2284 KB Output is correct
20 Correct 13 ms 2284 KB Output is correct
21 Correct 25 ms 2412 KB Output is correct
22 Correct 30 ms 2412 KB Output is correct
23 Correct 22 ms 2412 KB Output is correct
24 Correct 37 ms 2412 KB Output is correct
25 Correct 37 ms 2412 KB Output is correct
26 Correct 41 ms 2412 KB Output is correct
27 Correct 39 ms 2412 KB Output is correct
28 Correct 41 ms 2540 KB Output is correct
29 Correct 41 ms 2412 KB Output is correct
30 Correct 39 ms 2284 KB Output is correct
31 Correct 39 ms 2432 KB Output is correct
32 Correct 38 ms 2412 KB Output is correct
33 Correct 40 ms 2412 KB Output is correct
34 Correct 39 ms 2432 KB Output is correct
35 Correct 43 ms 2540 KB Output is correct
36 Correct 39 ms 2412 KB Output is correct
37 Correct 82 ms 2796 KB Output is correct
38 Correct 82 ms 2668 KB Output is correct
39 Correct 127 ms 2844 KB Output is correct
40 Correct 120 ms 2924 KB Output is correct
41 Correct 140 ms 2936 KB Output is correct
42 Correct 107 ms 2924 KB Output is correct
43 Correct 120 ms 3196 KB Output is correct
44 Correct 118 ms 3180 KB Output is correct
45 Correct 119 ms 3308 KB Output is correct
46 Correct 114 ms 2540 KB Output is correct
47 Correct 111 ms 2872 KB Output is correct
48 Correct 123 ms 3200 KB Output is correct
49 Correct 122 ms 2924 KB Output is correct
50 Correct 107 ms 2924 KB Output is correct
51 Correct 3 ms 620 KB Output is correct
52 Correct 136 ms 3436 KB Output is correct
53 Correct 136 ms 3180 KB Output is correct
54 Correct 166 ms 3308 KB Output is correct
55 Correct 207 ms 4072 KB Output is correct
56 Correct 147 ms 3308 KB Output is correct
57 Correct 212 ms 4072 KB Output is correct
58 Correct 171 ms 3308 KB Output is correct
59 Correct 178 ms 3564 KB Output is correct
60 Correct 7 ms 876 KB Output is correct
61 Correct 188 ms 3688 KB Output is correct
62 Correct 179 ms 3816 KB Output is correct
63 Correct 181 ms 3944 KB Output is correct
64 Correct 179 ms 4056 KB Output is correct
65 Correct 148 ms 2668 KB Output is correct
66 Correct 147 ms 2924 KB Output is correct
67 Correct 206 ms 3628 KB Output is correct
68 Correct 19 ms 1260 KB Output is correct
69 Correct 391 ms 5608 KB Output is correct
70 Correct 309 ms 4388 KB Output is correct
71 Correct 305 ms 4332 KB Output is correct
72 Correct 302 ms 3436 KB Output is correct
73 Correct 301 ms 3308 KB Output is correct
74 Correct 401 ms 5736 KB Output is correct
75 Correct 350 ms 5096 KB Output is correct
76 Correct 422 ms 5808 KB Output is correct
77 Correct 413 ms 5992 KB Output is correct