oj.uz

Submission #575128

# Submission time Handle Problem Language Result Execution time Memory
575128 2022-06-09T17:28:44 Z MohammadAghil Bootfall (IZhO17_bootfall) C++14
100 / 100
 403 ms 4384 KB 
      #include <bits/stdc++.h>
//   #pragma GCC optimize ("Ofast,unroll-loops")
// #pragma GCC target ("avx2")
    using namespace std;
  typedef long long ll;
   typedef pair<int, int> pp;
    #define er(args ...) cerr << __LINE__ << ": ", err(new istringstream(string(#args)), args), cerr << endl
      #define per(i,r,l) for(int i = (r); i >= (l); i--)
        #define rep(i,l,r) for(int i = (l); i < (r); i++)
           #define all(x) x.begin(), x.end()
              #define sz(x) (int)(x).size()
                  #define pb push_back
                      #define ss second
                           #define ff first
                                   void err(istringstream *iss){}template<typename T,typename ...Args> void err(istringstream *iss,const T &_val, const Args&...args){string _name;*iss>>_name;if(_name.back()==',')_name.pop_back();cerr<<_name<<" = "<<_val<<", ",err(iss,args...);}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const ll mod = 1e9 + 7, maxn = 5e2+1, lg = 20, inf = ll(1e9) + 5;
ll pw(ll a,ll b,ll md=mod){if(!b)return 1;ll k=pw(a,b>>1ll);return k*k%md*(b&1ll?a:1)%md;}
 
int dp[maxn*maxn], tmp[maxn*maxn], is[maxn*maxn];
 
int main(){
     cin.tie(0) -> sync_with_stdio(0);
     int n; cin >> n;
     vector<int> a(n);
     int sum = 0;
     rep(i,0,n) cin >> a[i];

     int k = -1, f = 1;
     rep(i,0,n){
          int t = 0;
          while(a[i]%2 == 0) t++, a[i] >>= 1, f *= 1 + (k == -1);
          if(k == -1) k = t;
          if(t - k) return cout << "0\n", 0;
          sum += a[i];
     }
     rep(i,0,sum+1) is[i] = true;
     dp[0] = 1;
     rep(i,0,n) per(j,sum,a[i]) dp[j] += dp[j-a[i]], dp[j] -= dp[j]<mod?0:mod; 
     rep(k,0,n){
          rep(i,0,sum+1) tmp[i] = dp[i];
          rep(j,a[k],sum+1) tmp[j] -= tmp[j-a[k]], tmp[j] += tmp[j]<0?mod:0;
          int bg = (sum - a[k] + 1)>>1;
          rep(i,bg,sum+1) is[i-bg] &= (tmp[i] > 0);
          rep(i,sum-bg+1,sum+1) is[i] = false;
     }
     // rep(k,0,n+1) rep(i,0,sum) er(k, i, dp[k][i]); 
     if((sum&1) || !dp[sum>>1]) return cout << "0\n", 0;
     vector<int> ans;
     rep(i,0,sum+1) if(is[i]) ans.pb((i<<1)+1);
     cout << sz(ans) << '\n';
     for(int c: ans) cout << c*f << ' ';
     if(sz(ans)) cout << '\n';
     return 0; 
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 3 ms 468 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 3 ms 340 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 3 ms 468 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 4 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 2 ms 340 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 3 ms 468 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 3 ms 340 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 3 ms 468 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 4 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 2 ms 340 KB Output is correct
37 Correct 14 ms 724 KB Output is correct
38 Correct 13 ms 724 KB Output is correct
39 Correct 46 ms 1040 KB Output is correct
40 Correct 31 ms 844 KB Output is correct
41 Correct 36 ms 752 KB Output is correct
42 Correct 27 ms 808 KB Output is correct
43 Correct 50 ms 1356 KB Output is correct
44 Correct 45 ms 1368 KB Output is correct
45 Correct 47 ms 1272 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 31 ms 840 KB Output is correct
48 Correct 61 ms 1324 KB Output is correct
49 Correct 49 ms 1044 KB Output is correct
50 Correct 26 ms 836 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 60 ms 1520 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 3 ms 468 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 3 ms 340 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 3 ms 468 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 4 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 2 ms 340 KB Output is correct
37 Correct 14 ms 724 KB Output is correct
38 Correct 13 ms 724 KB Output is correct
39 Correct 46 ms 1040 KB Output is correct
40 Correct 31 ms 844 KB Output is correct
41 Correct 36 ms 752 KB Output is correct
42 Correct 27 ms 808 KB Output is correct
43 Correct 50 ms 1356 KB Output is correct
44 Correct 45 ms 1368 KB Output is correct
45 Correct 47 ms 1272 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 31 ms 840 KB Output is correct
48 Correct 61 ms 1324 KB Output is correct
49 Correct 49 ms 1044 KB Output is correct
50 Correct 26 ms 836 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 60 ms 1520 KB Output is correct
53 Correct 45 ms 1120 KB Output is correct
54 Correct 63 ms 1356 KB Output is correct
55 Correct 132 ms 2140 KB Output is correct
56 Correct 53 ms 1356 KB Output is correct
57 Correct 129 ms 2260 KB Output is correct
58 Correct 70 ms 1424 KB Output is correct
59 Correct 96 ms 1688 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 103 ms 1904 KB Output is correct
62 Correct 115 ms 1984 KB Output is correct
63 Correct 115 ms 2256 KB Output is correct
64 Correct 103 ms 2040 KB Output is correct
65 Correct 12 ms 468 KB Output is correct
66 Correct 58 ms 952 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 3 ms 468 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 3 ms 340 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 3 ms 468 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 4 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 2 ms 340 KB Output is correct
37 Correct 14 ms 724 KB Output is correct
38 Correct 13 ms 724 KB Output is correct
39 Correct 46 ms 1040 KB Output is correct
40 Correct 31 ms 844 KB Output is correct
41 Correct 36 ms 752 KB Output is correct
42 Correct 27 ms 808 KB Output is correct
43 Correct 50 ms 1356 KB Output is correct
44 Correct 45 ms 1368 KB Output is correct
45 Correct 47 ms 1272 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 31 ms 840 KB Output is correct
48 Correct 61 ms 1324 KB Output is correct
49 Correct 49 ms 1044 KB Output is correct
50 Correct 26 ms 836 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 60 ms 1520 KB Output is correct
53 Correct 45 ms 1120 KB Output is correct
54 Correct 63 ms 1356 KB Output is correct
55 Correct 132 ms 2140 KB Output is correct
56 Correct 53 ms 1356 KB Output is correct
57 Correct 129 ms 2260 KB Output is correct
58 Correct 70 ms 1424 KB Output is correct
59 Correct 96 ms 1688 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 103 ms 1904 KB Output is correct
62 Correct 115 ms 1984 KB Output is correct
63 Correct 115 ms 2256 KB Output is correct
64 Correct 103 ms 2040 KB Output is correct
65 Correct 12 ms 468 KB Output is correct
66 Correct 58 ms 952 KB Output is correct
67 Correct 107 ms 1780 KB Output is correct
68 Correct 0 ms 212 KB Output is correct
69 Correct 345 ms 3872 KB Output is correct
70 Correct 196 ms 2616 KB Output is correct
71 Correct 196 ms 2548 KB Output is correct
72 Correct 1 ms 212 KB Output is correct
73 Correct 1 ms 340 KB Output is correct
74 Correct 393 ms 4116 KB Output is correct
75 Correct 259 ms 3384 KB Output is correct
76 Correct 397 ms 4300 KB Output is correct
77 Correct 403 ms 4384 KB Output is correct