oj.uz

Submission #633509

# Submission time Handle Problem Language Result Execution time Memory
633509 2022-08-22T15:38:41 Z urosk Cigle (COI21_cigle) C++14
48 / 100
 238 ms 117460 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-1, cur = a[j];
        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 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 328 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct

Subtask #2
11.0 / 11.0

# 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 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 328 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 592 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 588 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 632 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 3292 KB Output is correct
3 Correct 3 ms 3284 KB Output is correct
4 Correct 3 ms 3276 KB Output is correct
5 Correct 3 ms 3284 KB Output is correct
6 Correct 4 ms 3284 KB Output is correct
7 Correct 3 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 3280 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 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 328 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 592 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 588 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 632 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 3292 KB Output is correct
23 Correct 3 ms 3284 KB Output is correct
24 Correct 3 ms 3276 KB Output is correct
25 Correct 3 ms 3284 KB Output is correct
26 Correct 4 ms 3284 KB Output is correct
27 Correct 3 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 3280 KB Output is correct
31 Correct 3 ms 3284 KB Output is correct
32 Correct 3 ms 3284 KB Output is correct
33 Correct 2 ms 3272 KB Output is correct
34 Correct 2 ms 3284 KB Output is correct
35 Correct 3 ms 3284 KB Output is correct
36 Correct 3 ms 3272 KB Output is correct
37 Correct 3 ms 3276 KB Output is correct
38 Correct 3 ms 3284 KB Output is correct
39 Correct 3 ms 3284 KB Output is correct
40 Correct 4 ms 3284 KB Output is correct
41 Correct 3 ms 3284 KB Output is correct
42 Correct 4 ms 3284 KB Output is correct
43 Correct 3 ms 3284 KB Output is correct
44 Correct 4 ms 3284 KB Output is correct
45 Correct 3 ms 3284 KB Output is correct
46 Correct 3 ms 3284 KB Output is correct
47 Correct 3 ms 3284 KB Output is correct
48 Correct 4 ms 3280 KB Output is correct
49 Correct 3 ms 3284 KB Output is correct

Subtask #5
0 / 52.0

# 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 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 328 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 592 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 588 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 632 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 3292 KB Output is correct
23 Correct 3 ms 3284 KB Output is correct
24 Correct 3 ms 3276 KB Output is correct
25 Correct 3 ms 3284 KB Output is correct
26 Correct 4 ms 3284 KB Output is correct
27 Correct 3 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 3280 KB Output is correct
31 Correct 3 ms 3284 KB Output is correct
32 Correct 3 ms 3284 KB Output is correct
33 Correct 2 ms 3272 KB Output is correct
34 Correct 2 ms 3284 KB Output is correct
35 Correct 3 ms 3284 KB Output is correct
36 Correct 3 ms 3272 KB Output is correct
37 Correct 3 ms 3276 KB Output is correct
38 Correct 3 ms 3284 KB Output is correct
39 Correct 3 ms 3284 KB Output is correct
40 Correct 4 ms 3284 KB Output is correct
41 Correct 3 ms 3284 KB Output is correct
42 Correct 4 ms 3284 KB Output is correct
43 Correct 3 ms 3284 KB Output is correct
44 Correct 4 ms 3284 KB Output is correct
45 Correct 3 ms 3284 KB Output is correct
46 Correct 3 ms 3284 KB Output is correct
47 Correct 3 ms 3284 KB Output is correct
48 Correct 4 ms 3280 KB Output is correct
49 Correct 3 ms 3284 KB Output is correct
50 Correct 198 ms 117336 KB Output is correct
51 Correct 210 ms 117340 KB Output is correct
52 Correct 194 ms 117288 KB Output is correct
53 Correct 203 ms 117328 KB Output is correct
54 Correct 211 ms 117300 KB Output is correct
55 Correct 195 ms 117460 KB Output is correct
56 Incorrect 238 ms 117320 KB Output isn't correct
57 Halted 0 ms 0 KB -