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Submission #1006287

# Submission time Handle Problem Language Result Execution time Memory
1006287 2024-06-23T16:29:04 Z andecaandeci Bigger segments (IZhO19_segments) C++17
100 / 100
 142 ms 30336 KB 
#include <bits/stdc++.h>
using namespace std;
#define pii pair<ll,ll>
#define REP(i,x,y) for(ll i=x;i<=y;i++)
#define freeopen   freopen("input.txt","r",stdin); freopen("output.txt","w",stdout);
#define mod 1000000000
#define pb push_back
#define mk make_pair
#define ll long long
#define foor(x,vec) for(auto x:vec ){cout<<x<<" ";}
#define fi first
#define se second
#define MAXN 500069
#define lld long double
#define cha ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define ffl fflush(stdout)
#define sst string
#define pii pair<ll,ll>
ll mvx[]={0,0,-1,1};
ll mvy[]={1,-1,0,0};

ll n;
ll a[MAXN],b[MAXN],ps[MAXN],dp[MAXN];
ll pos[MAXN],pos2[MAXN];
vector <ll> adj[MAXN];
map<ll,ll> mp;

void solve(){
    cin>>n;
    REP(i,1,n){
        cin>>a[i];
    }
    REP(i,1,n){
        ps[i]=ps[i-1]+a[i];
    }
    dp[1]=1;
    REP(i,1,n){
        pos[i]=max(pos[i-1],pos[i]);
        dp[i]=dp[pos[i]]+1;
        ll lb=lower_bound(ps+1,ps+n+1,ps[i]+ps[i]-ps[pos[i]])-ps;
        pos[lb]=i;
    }
    /*
     1 1 1 2 3
     0 0 0 2 4
     6 8 10 18 29
     ps[i]-ps[pos[i]>=ps[j]]-ps[i]
     ps[j]>=ps[i]*2-ps[pos[i]]
     ps[j]-ps[i]>=ps[i]-ps[pos[i]]
     ps[i]+ps[pos[i]]>=ps[j]
     
     */
    cout<<dp[n]<<endl;
}

int main(){
    ll tc;
    tc=1;
//    cin>>tc;
    while(tc--){
        solve();
    }
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 16988 KB Output is correct
2 Correct 2 ms 16988 KB Output is correct
3 Correct 2 ms 16988 KB Output is correct
4 Correct 3 ms 16988 KB Output is correct
5 Correct 2 ms 17028 KB Output is correct
6 Correct 2 ms 16988 KB Output is correct
7 Correct 2 ms 16988 KB Output is correct
8 Correct 2 ms 16988 KB Output is correct
9 Correct 2 ms 16984 KB Output is correct
10 Correct 2 ms 17008 KB Output is correct
11 Correct 3 ms 16988 KB Output is correct
12 Correct 2 ms 16988 KB Output is correct
13 Correct 3 ms 16988 KB Output is correct
14 Correct 3 ms 16988 KB Output is correct
15 Correct 2 ms 16988 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 16988 KB Output is correct
2 Correct 2 ms 16988 KB Output is correct
3 Correct 2 ms 16988 KB Output is correct
4 Correct 3 ms 16988 KB Output is correct
5 Correct 2 ms 17028 KB Output is correct
6 Correct 2 ms 16988 KB Output is correct
7 Correct 2 ms 16988 KB Output is correct
8 Correct 2 ms 16988 KB Output is correct
9 Correct 2 ms 16984 KB Output is correct
10 Correct 2 ms 17008 KB Output is correct
11 Correct 3 ms 16988 KB Output is correct
12 Correct 2 ms 16988 KB Output is correct
13 Correct 3 ms 16988 KB Output is correct
14 Correct 3 ms 16988 KB Output is correct
15 Correct 2 ms 16988 KB Output is correct
16 Correct 3 ms 16988 KB Output is correct
17 Correct 2 ms 16988 KB Output is correct
18 Correct 2 ms 16988 KB Output is correct
19 Correct 3 ms 16988 KB Output is correct
20 Correct 3 ms 16988 KB Output is correct
21 Correct 2 ms 16988 KB Output is correct
22 Correct 2 ms 16988 KB Output is correct
23 Correct 2 ms 16988 KB Output is correct
24 Correct 2 ms 16988 KB Output is correct
25 Correct 2 ms 16988 KB Output is correct
26 Correct 2 ms 16988 KB Output is correct
27 Correct 3 ms 16988 KB Output is correct
28 Correct 2 ms 16988 KB Output is correct
29 Correct 2 ms 16988 KB Output is correct
30 Correct 2 ms 16988 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 16988 KB Output is correct
2 Correct 2 ms 16988 KB Output is correct
3 Correct 2 ms 16988 KB Output is correct
4 Correct 3 ms 16988 KB Output is correct
5 Correct 2 ms 17028 KB Output is correct
6 Correct 2 ms 16988 KB Output is correct
7 Correct 2 ms 16988 KB Output is correct
8 Correct 2 ms 16988 KB Output is correct
9 Correct 2 ms 16984 KB Output is correct
10 Correct 2 ms 17008 KB Output is correct
11 Correct 3 ms 16988 KB Output is correct
12 Correct 2 ms 16988 KB Output is correct
13 Correct 3 ms 16988 KB Output is correct
14 Correct 3 ms 16988 KB Output is correct
15 Correct 2 ms 16988 KB Output is correct
16 Correct 3 ms 16988 KB Output is correct
17 Correct 2 ms 16988 KB Output is correct
18 Correct 2 ms 16988 KB Output is correct
19 Correct 3 ms 16988 KB Output is correct
20 Correct 3 ms 16988 KB Output is correct
21 Correct 2 ms 16988 KB Output is correct
22 Correct 2 ms 16988 KB Output is correct
23 Correct 2 ms 16988 KB Output is correct
24 Correct 2 ms 16988 KB Output is correct
25 Correct 2 ms 16988 KB Output is correct
26 Correct 2 ms 16988 KB Output is correct
27 Correct 3 ms 16988 KB Output is correct
28 Correct 2 ms 16988 KB Output is correct
29 Correct 2 ms 16988 KB Output is correct
30 Correct 2 ms 16988 KB Output is correct
31 Correct 3 ms 16984 KB Output is correct
32 Correct 3 ms 16988 KB Output is correct
33 Correct 3 ms 16988 KB Output is correct
34 Correct 3 ms 17032 KB Output is correct
35 Correct 3 ms 16988 KB Output is correct
36 Correct 3 ms 16988 KB Output is correct
37 Correct 3 ms 16988 KB Output is correct
38 Correct 3 ms 16988 KB Output is correct
39 Correct 3 ms 17064 KB Output is correct
40 Correct 3 ms 16988 KB Output is correct
41 Correct 3 ms 16988 KB Output is correct
42 Correct 3 ms 17076 KB Output is correct
43 Correct 2 ms 17000 KB Output is correct
44 Correct 3 ms 16988 KB Output is correct
45 Correct 3 ms 16988 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 16988 KB Output is correct
2 Correct 2 ms 16988 KB Output is correct
3 Correct 2 ms 16988 KB Output is correct
4 Correct 3 ms 16988 KB Output is correct
5 Correct 2 ms 17028 KB Output is correct
6 Correct 2 ms 16988 KB Output is correct
7 Correct 2 ms 16988 KB Output is correct
8 Correct 2 ms 16988 KB Output is correct
9 Correct 2 ms 16984 KB Output is correct
10 Correct 2 ms 17008 KB Output is correct
11 Correct 3 ms 16988 KB Output is correct
12 Correct 2 ms 16988 KB Output is correct
13 Correct 3 ms 16988 KB Output is correct
14 Correct 3 ms 16988 KB Output is correct
15 Correct 2 ms 16988 KB Output is correct
16 Correct 3 ms 16988 KB Output is correct
17 Correct 2 ms 16988 KB Output is correct
18 Correct 2 ms 16988 KB Output is correct
19 Correct 3 ms 16988 KB Output is correct
20 Correct 3 ms 16988 KB Output is correct
21 Correct 2 ms 16988 KB Output is correct
22 Correct 2 ms 16988 KB Output is correct
23 Correct 2 ms 16988 KB Output is correct
24 Correct 2 ms 16988 KB Output is correct
25 Correct 2 ms 16988 KB Output is correct
26 Correct 2 ms 16988 KB Output is correct
27 Correct 3 ms 16988 KB Output is correct
28 Correct 2 ms 16988 KB Output is correct
29 Correct 2 ms 16988 KB Output is correct
30 Correct 2 ms 16988 KB Output is correct
31 Correct 3 ms 16984 KB Output is correct
32 Correct 3 ms 16988 KB Output is correct
33 Correct 3 ms 16988 KB Output is correct
34 Correct 3 ms 17032 KB Output is correct
35 Correct 3 ms 16988 KB Output is correct
36 Correct 3 ms 16988 KB Output is correct
37 Correct 3 ms 16988 KB Output is correct
38 Correct 3 ms 16988 KB Output is correct
39 Correct 3 ms 17064 KB Output is correct
40 Correct 3 ms 16988 KB Output is correct
41 Correct 3 ms 16988 KB Output is correct
42 Correct 3 ms 17076 KB Output is correct
43 Correct 2 ms 17000 KB Output is correct
44 Correct 3 ms 16988 KB Output is correct
45 Correct 3 ms 16988 KB Output is correct
46 Correct 16 ms 18576 KB Output is correct
47 Correct 18 ms 18568 KB Output is correct
48 Correct 25 ms 18572 KB Output is correct
49 Correct 29 ms 18512 KB Output is correct
50 Correct 29 ms 18556 KB Output is correct
51 Correct 29 ms 18512 KB Output is correct
52 Correct 16 ms 17808 KB Output is correct
53 Correct 10 ms 17292 KB Output is correct
54 Correct 14 ms 18520 KB Output is correct
55 Correct 30 ms 18512 KB Output is correct
56 Correct 19 ms 18524 KB Output is correct
57 Correct 17 ms 18524 KB Output is correct
58 Correct 18 ms 18520 KB Output is correct
59 Correct 21 ms 18560 KB Output is correct
60 Correct 22 ms 18520 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 16988 KB Output is correct
2 Correct 2 ms 16988 KB Output is correct
3 Correct 2 ms 16988 KB Output is correct
4 Correct 3 ms 16988 KB Output is correct
5 Correct 2 ms 17028 KB Output is correct
6 Correct 2 ms 16988 KB Output is correct
7 Correct 2 ms 16988 KB Output is correct
8 Correct 2 ms 16988 KB Output is correct
9 Correct 2 ms 16984 KB Output is correct
10 Correct 2 ms 17008 KB Output is correct
11 Correct 3 ms 16988 KB Output is correct
12 Correct 2 ms 16988 KB Output is correct
13 Correct 3 ms 16988 KB Output is correct
14 Correct 3 ms 16988 KB Output is correct
15 Correct 2 ms 16988 KB Output is correct
16 Correct 3 ms 16988 KB Output is correct
17 Correct 2 ms 16988 KB Output is correct
18 Correct 2 ms 16988 KB Output is correct
19 Correct 3 ms 16988 KB Output is correct
20 Correct 3 ms 16988 KB Output is correct
21 Correct 2 ms 16988 KB Output is correct
22 Correct 2 ms 16988 KB Output is correct
23 Correct 2 ms 16988 KB Output is correct
24 Correct 2 ms 16988 KB Output is correct
25 Correct 2 ms 16988 KB Output is correct
26 Correct 2 ms 16988 KB Output is correct
27 Correct 3 ms 16988 KB Output is correct
28 Correct 2 ms 16988 KB Output is correct
29 Correct 2 ms 16988 KB Output is correct
30 Correct 2 ms 16988 KB Output is correct
31 Correct 3 ms 16984 KB Output is correct
32 Correct 3 ms 16988 KB Output is correct
33 Correct 3 ms 16988 KB Output is correct
34 Correct 3 ms 17032 KB Output is correct
35 Correct 3 ms 16988 KB Output is correct
36 Correct 3 ms 16988 KB Output is correct
37 Correct 3 ms 16988 KB Output is correct
38 Correct 3 ms 16988 KB Output is correct
39 Correct 3 ms 17064 KB Output is correct
40 Correct 3 ms 16988 KB Output is correct
41 Correct 3 ms 16988 KB Output is correct
42 Correct 3 ms 17076 KB Output is correct
43 Correct 2 ms 17000 KB Output is correct
44 Correct 3 ms 16988 KB Output is correct
45 Correct 3 ms 16988 KB Output is correct
46 Correct 16 ms 18576 KB Output is correct
47 Correct 18 ms 18568 KB Output is correct
48 Correct 25 ms 18572 KB Output is correct
49 Correct 29 ms 18512 KB Output is correct
50 Correct 29 ms 18556 KB Output is correct
51 Correct 29 ms 18512 KB Output is correct
52 Correct 16 ms 17808 KB Output is correct
53 Correct 10 ms 17292 KB Output is correct
54 Correct 14 ms 18520 KB Output is correct
55 Correct 30 ms 18512 KB Output is correct
56 Correct 19 ms 18524 KB Output is correct
57 Correct 17 ms 18524 KB Output is correct
58 Correct 18 ms 18520 KB Output is correct
59 Correct 21 ms 18560 KB Output is correct
60 Correct 22 ms 18520 KB Output is correct
61 Correct 69 ms 30292 KB Output is correct
62 Correct 67 ms 30288 KB Output is correct
63 Correct 80 ms 30332 KB Output is correct
64 Correct 133 ms 30292 KB Output is correct
65 Correct 142 ms 30292 KB Output is correct
66 Correct 133 ms 30336 KB Output is correct
67 Correct 101 ms 27472 KB Output is correct
68 Correct 55 ms 25424 KB Output is correct
69 Correct 63 ms 30288 KB Output is correct
70 Correct 133 ms 30288 KB Output is correct
71 Correct 81 ms 30292 KB Output is correct
72 Correct 79 ms 30288 KB Output is correct
73 Correct 96 ms 30288 KB Output is correct
74 Correct 110 ms 30328 KB Output is correct
75 Correct 104 ms 30328 KB Output is correct