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Submission #633511

# Submission time Handle Problem Language Result Execution time Memory
633511 2022-08-22T15:40:09 Z urosk Cigle (COI21_cigle) C++14
100 / 100
 251 ms 117500 KB 
#define here cerr<<"===========================================\n"
#define dbg(x) cerr<<#x<<": "<<x<<endl;
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
#define ld double
#define ll long long
#define llinf 100000000000000000LL // 10^17
#define pb push_back
#define popb pop_back
#define fi first
#define sc second
#define endl '\n'
#define pll pair<ll,ll>
#define pld pair<ld,ld>
#define sz(a) (ll)(a.size())
#define all(a) a.begin(),a.end()
#define ceri(a,l,r) {cerr<<#a<<": ";for(ll i_ = l;i_<=r;i_++) cerr<<a[i_]<< " ";cerr<<endl;}
#define daj_mi_malo_vremena ios_base::sync_with_stdio(false);cerr.tie(0);cout.tie(0);cin.tie(0);

using namespace std;
using namespace __gnu_pbds;
/*
ll add(ll x,ll y){
    x+=y;
    if(x<0){
        x%=mod;
        x+=mod;
    }else{
        if(x>=mod) x%=mod;
    }
    return x;
}
ll mul(ll a,ll b){
	ll ans = (a*b)%mod;
	if(ans<0) ans+=mod;
	return ans;
}
*/
typedef tree<int,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
typedef tree<int,null_type,less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> ordered_multiset;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll rnd(ll l,ll r){
    return uniform_int_distribution<ll>(l,r)(rng);
}
#define maxn 5005
ll n;
ll a[maxn];
ll ps[maxn];
ll dpmax[maxn];
ll dp[maxn][maxn];
int main(){
	daj_mi_malo_vremena
    cin >> n;
    for(ll i = 1;i<=n;i++) cin >> a[i];
    for(ll l = 1;l<=n;l++){
        ll j = l, cur = 0;
        for(ll i = 1;i<l;i++) dpmax[i] = max(dpmax[i-1],dp[i][l-1]);
        ll delta = 0;
        ll len = 0;
        for(ll r = l+1;r<=n;r++){
            dp[l][r] = dp[l][r-1];
            len+=a[r-1];
            while(j>2&&cur<len)j--,cur+=a[j];
            if(cur==len){
                delta++;
                dp[l][r] = max(dp[l][r],dpmax[j-1]+delta);
            }
        }
    }
    ll ans = 0;
    for(ll i = 1;i<=n;i++) ans = max(ans,dp[i][n]);
    cout<<ans<<endl;
	return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 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 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 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 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 596 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3284 KB Output is correct
2 Correct 3 ms 3284 KB Output is correct
3 Correct 3 ms 3284 KB Output is correct
4 Correct 3 ms 3284 KB Output is correct
5 Correct 3 ms 3284 KB Output is correct
6 Correct 3 ms 3284 KB Output is correct
7 Correct 4 ms 3284 KB Output is correct
8 Correct 3 ms 3284 KB Output is correct
9 Correct 3 ms 3284 KB Output is correct
10 Correct 3 ms 3284 KB Output is correct
11 Correct 3 ms 3284 KB Output is correct
12 Correct 3 ms 3284 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 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 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 3 ms 3284 KB Output is correct
22 Correct 3 ms 3284 KB Output is correct
23 Correct 3 ms 3284 KB Output is correct
24 Correct 3 ms 3284 KB Output is correct
25 Correct 3 ms 3284 KB Output is correct
26 Correct 3 ms 3284 KB Output is correct
27 Correct 4 ms 3284 KB Output is correct
28 Correct 3 ms 3284 KB Output is correct
29 Correct 3 ms 3284 KB Output is correct
30 Correct 3 ms 3284 KB Output is correct
31 Correct 3 ms 3284 KB Output is correct
32 Correct 3 ms 3284 KB Output is correct
33 Correct 3 ms 3224 KB Output is correct
34 Correct 3 ms 3308 KB Output is correct
35 Correct 4 ms 3284 KB Output is correct
36 Correct 3 ms 3284 KB Output is correct
37 Correct 3 ms 3284 KB Output is correct
38 Correct 4 ms 3284 KB Output is correct
39 Correct 3 ms 3284 KB Output is correct
40 Correct 3 ms 3284 KB Output is correct
41 Correct 4 ms 3284 KB Output is correct
42 Correct 3 ms 3284 KB Output is correct
43 Correct 3 ms 3284 KB Output is correct
44 Correct 3 ms 3356 KB Output is correct
45 Correct 3 ms 3284 KB Output is correct
46 Correct 4 ms 3284 KB Output is correct
47 Correct 3 ms 3284 KB Output is correct
48 Correct 3 ms 3284 KB Output is correct
49 Correct 3 ms 3284 KB Output is correct

Subtask #5
52.0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 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 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 3 ms 3284 KB Output is correct
22 Correct 3 ms 3284 KB Output is correct
23 Correct 3 ms 3284 KB Output is correct
24 Correct 3 ms 3284 KB Output is correct
25 Correct 3 ms 3284 KB Output is correct
26 Correct 3 ms 3284 KB Output is correct
27 Correct 4 ms 3284 KB Output is correct
28 Correct 3 ms 3284 KB Output is correct
29 Correct 3 ms 3284 KB Output is correct
30 Correct 3 ms 3284 KB Output is correct
31 Correct 3 ms 3284 KB Output is correct
32 Correct 3 ms 3284 KB Output is correct
33 Correct 3 ms 3224 KB Output is correct
34 Correct 3 ms 3308 KB Output is correct
35 Correct 4 ms 3284 KB Output is correct
36 Correct 3 ms 3284 KB Output is correct
37 Correct 3 ms 3284 KB Output is correct
38 Correct 4 ms 3284 KB Output is correct
39 Correct 3 ms 3284 KB Output is correct
40 Correct 3 ms 3284 KB Output is correct
41 Correct 4 ms 3284 KB Output is correct
42 Correct 3 ms 3284 KB Output is correct
43 Correct 3 ms 3284 KB Output is correct
44 Correct 3 ms 3356 KB Output is correct
45 Correct 3 ms 3284 KB Output is correct
46 Correct 4 ms 3284 KB Output is correct
47 Correct 3 ms 3284 KB Output is correct
48 Correct 3 ms 3284 KB Output is correct
49 Correct 3 ms 3284 KB Output is correct
50 Correct 201 ms 117332 KB Output is correct
51 Correct 200 ms 117308 KB Output is correct
52 Correct 200 ms 117404 KB Output is correct
53 Correct 208 ms 117368 KB Output is correct
54 Correct 206 ms 117344 KB Output is correct
55 Correct 204 ms 117400 KB Output is correct
56 Correct 230 ms 117296 KB Output is correct
57 Correct 220 ms 117352 KB Output is correct
58 Correct 236 ms 117500 KB Output is correct
59 Correct 251 ms 117324 KB Output is correct
60 Correct 225 ms 117392 KB Output is correct
61 Correct 219 ms 117292 KB Output is correct
62 Correct 225 ms 117324 KB Output is correct
63 Correct 197 ms 117308 KB Output is correct
64 Correct 211 ms 117336 KB Output is correct
65 Correct 202 ms 117324 KB Output is correct
66 Correct 215 ms 117364 KB Output is correct
67 Correct 199 ms 117468 KB Output is correct
68 Correct 197 ms 117464 KB Output is correct
69 Correct 198 ms 117372 KB Output is correct
70 Correct 230 ms 117420 KB Output is correct
71 Correct 231 ms 117340 KB Output is correct
72 Correct 238 ms 117404 KB Output is correct