oj.uz

Submission #892528

# Submission time Handle Problem Language Result Execution time Memory
892528 2023-12-25T13:13:00 Z LeVanThuc Bigger segments (IZhO19_segments) C++17
100 / 100
 226 ms 130488 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define p(x,y) pair<ll,ll>(x,y)
#define BIT(i,x) ((x>>i)&1)
#define MASK(x) (1<<x)
#define ld long double
#define __builtin_popcount __builtin_popcountll
#define pll pair<ll,ll>
#define kt cerr << "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n"
template<class T1,class T2>
bool maximize(T1 &x,T2 y)
{
    if(x<y)
    {
        x=y;
        return 1;
    }
    return 0;
}
template<class T1,class T2>
bool minimize(T1 &x,T2 y)
{
    if(y<x)
    {
        x=y;
        return 1;
    }
    return 0;
}
const ll M=1e9+7;
template <class T1,class T2>
void add(T1 &x,T2 y)
{
    x+=y;
    if(x>=M) x-=M;
}
template <class T1,class T2>
void sub(T1 &x, T2 y)
{
    x-=y;
    if(x<0) x+=M;
}
void online()
{
    std::ios_base::sync_with_stdio(0);
    cin.tie(0);
#ifdef thuc
    freopen("input.inp","r",stdin);
    freopen("output.out","w",stdout);
#else
#endif // thuc
}
const ll N=5e5+10,S=400;
ll n,a[N],f[N];
map<ll,ll> dp[N];
int main()
{
    online();
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
        a[i]+=a[i-1];
    }
    ll ans=1;
    dp[1][1]=1;
    f[1]=1;
    for(int i=1;i<=n;i++)
    {
        for(int j=f[i];j>=f[i]-1;j--)
        {
            if(j==0) continue;
            maximize(dp[i+1][j],dp[i][j]);
            maximize(f[i+1],j);
            ll z=a[i]-a[dp[i][j]-1];
            ll nxt=lower_bound(a+1,a+n+1,a[i]+z)-a;
            maximize(dp[nxt][j+1],i+1);
            maximize(f[nxt],j+1);
        }
    }
    cout<<f[n];
    kt;
}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:68:8: warning: unused variable 'ans' [-Wunused-variable]
   68 |     ll ans=1;
      |        ^~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 27228 KB Output is correct
2 Correct 5 ms 27248 KB Output is correct
3 Correct 5 ms 27224 KB Output is correct
4 Correct 6 ms 27272 KB Output is correct
5 Correct 6 ms 27256 KB Output is correct
6 Correct 6 ms 27244 KB Output is correct
7 Correct 6 ms 27228 KB Output is correct
8 Correct 5 ms 27228 KB Output is correct
9 Correct 6 ms 27228 KB Output is correct
10 Correct 5 ms 27304 KB Output is correct
11 Correct 5 ms 27224 KB Output is correct
12 Correct 6 ms 27224 KB Output is correct
13 Correct 5 ms 27224 KB Output is correct
14 Correct 6 ms 27228 KB Output is correct
15 Correct 6 ms 27228 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 27228 KB Output is correct
2 Correct 5 ms 27248 KB Output is correct
3 Correct 5 ms 27224 KB Output is correct
4 Correct 6 ms 27272 KB Output is correct
5 Correct 6 ms 27256 KB Output is correct
6 Correct 6 ms 27244 KB Output is correct
7 Correct 6 ms 27228 KB Output is correct
8 Correct 5 ms 27228 KB Output is correct
9 Correct 6 ms 27228 KB Output is correct
10 Correct 5 ms 27304 KB Output is correct
11 Correct 5 ms 27224 KB Output is correct
12 Correct 6 ms 27224 KB Output is correct
13 Correct 5 ms 27224 KB Output is correct
14 Correct 6 ms 27228 KB Output is correct
15 Correct 6 ms 27228 KB Output is correct
16 Correct 5 ms 27224 KB Output is correct
17 Correct 7 ms 27224 KB Output is correct
18 Correct 5 ms 27224 KB Output is correct
19 Correct 5 ms 27228 KB Output is correct
20 Correct 5 ms 27224 KB Output is correct
21 Correct 5 ms 27228 KB Output is correct
22 Correct 5 ms 27228 KB Output is correct
23 Correct 6 ms 27304 KB Output is correct
24 Correct 6 ms 27228 KB Output is correct
25 Correct 5 ms 27228 KB Output is correct
26 Correct 6 ms 27228 KB Output is correct
27 Correct 5 ms 27228 KB Output is correct
28 Correct 5 ms 27228 KB Output is correct
29 Correct 6 ms 27228 KB Output is correct
30 Correct 6 ms 27228 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 27228 KB Output is correct
2 Correct 5 ms 27248 KB Output is correct
3 Correct 5 ms 27224 KB Output is correct
4 Correct 6 ms 27272 KB Output is correct
5 Correct 6 ms 27256 KB Output is correct
6 Correct 6 ms 27244 KB Output is correct
7 Correct 6 ms 27228 KB Output is correct
8 Correct 5 ms 27228 KB Output is correct
9 Correct 6 ms 27228 KB Output is correct
10 Correct 5 ms 27304 KB Output is correct
11 Correct 5 ms 27224 KB Output is correct
12 Correct 6 ms 27224 KB Output is correct
13 Correct 5 ms 27224 KB Output is correct
14 Correct 6 ms 27228 KB Output is correct
15 Correct 6 ms 27228 KB Output is correct
16 Correct 5 ms 27224 KB Output is correct
17 Correct 7 ms 27224 KB Output is correct
18 Correct 5 ms 27224 KB Output is correct
19 Correct 5 ms 27228 KB Output is correct
20 Correct 5 ms 27224 KB Output is correct
21 Correct 5 ms 27228 KB Output is correct
22 Correct 5 ms 27228 KB Output is correct
23 Correct 6 ms 27304 KB Output is correct
24 Correct 6 ms 27228 KB Output is correct
25 Correct 5 ms 27228 KB Output is correct
26 Correct 6 ms 27228 KB Output is correct
27 Correct 5 ms 27228 KB Output is correct
28 Correct 5 ms 27228 KB Output is correct
29 Correct 6 ms 27228 KB Output is correct
30 Correct 6 ms 27228 KB Output is correct
31 Correct 6 ms 27484 KB Output is correct
32 Correct 6 ms 27560 KB Output is correct
33 Correct 6 ms 27740 KB Output is correct
34 Correct 6 ms 27740 KB Output is correct
35 Correct 9 ms 27744 KB Output is correct
36 Correct 6 ms 27484 KB Output is correct
37 Correct 6 ms 27484 KB Output is correct
38 Correct 6 ms 27572 KB Output is correct
39 Correct 6 ms 27564 KB Output is correct
40 Correct 7 ms 27740 KB Output is correct
41 Correct 6 ms 27740 KB Output is correct
42 Correct 7 ms 27740 KB Output is correct
43 Correct 8 ms 27740 KB Output is correct
44 Correct 6 ms 27840 KB Output is correct
45 Correct 6 ms 27740 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 27228 KB Output is correct
2 Correct 5 ms 27248 KB Output is correct
3 Correct 5 ms 27224 KB Output is correct
4 Correct 6 ms 27272 KB Output is correct
5 Correct 6 ms 27256 KB Output is correct
6 Correct 6 ms 27244 KB Output is correct
7 Correct 6 ms 27228 KB Output is correct
8 Correct 5 ms 27228 KB Output is correct
9 Correct 6 ms 27228 KB Output is correct
10 Correct 5 ms 27304 KB Output is correct
11 Correct 5 ms 27224 KB Output is correct
12 Correct 6 ms 27224 KB Output is correct
13 Correct 5 ms 27224 KB Output is correct
14 Correct 6 ms 27228 KB Output is correct
15 Correct 6 ms 27228 KB Output is correct
16 Correct 5 ms 27224 KB Output is correct
17 Correct 7 ms 27224 KB Output is correct
18 Correct 5 ms 27224 KB Output is correct
19 Correct 5 ms 27228 KB Output is correct
20 Correct 5 ms 27224 KB Output is correct
21 Correct 5 ms 27228 KB Output is correct
22 Correct 5 ms 27228 KB Output is correct
23 Correct 6 ms 27304 KB Output is correct
24 Correct 6 ms 27228 KB Output is correct
25 Correct 5 ms 27228 KB Output is correct
26 Correct 6 ms 27228 KB Output is correct
27 Correct 5 ms 27228 KB Output is correct
28 Correct 5 ms 27228 KB Output is correct
29 Correct 6 ms 27228 KB Output is correct
30 Correct 6 ms 27228 KB Output is correct
31 Correct 6 ms 27484 KB Output is correct
32 Correct 6 ms 27560 KB Output is correct
33 Correct 6 ms 27740 KB Output is correct
34 Correct 6 ms 27740 KB Output is correct
35 Correct 9 ms 27744 KB Output is correct
36 Correct 6 ms 27484 KB Output is correct
37 Correct 6 ms 27484 KB Output is correct
38 Correct 6 ms 27572 KB Output is correct
39 Correct 6 ms 27564 KB Output is correct
40 Correct 7 ms 27740 KB Output is correct
41 Correct 6 ms 27740 KB Output is correct
42 Correct 7 ms 27740 KB Output is correct
43 Correct 8 ms 27740 KB Output is correct
44 Correct 6 ms 27840 KB Output is correct
45 Correct 6 ms 27740 KB Output is correct
46 Correct 21 ms 33884 KB Output is correct
47 Correct 35 ms 41604 KB Output is correct
48 Correct 55 ms 43928 KB Output is correct
49 Correct 43 ms 46312 KB Output is correct
50 Correct 42 ms 47180 KB Output is correct
51 Correct 42 ms 40784 KB Output is correct
52 Correct 24 ms 33880 KB Output is correct
53 Correct 17 ms 31324 KB Output is correct
54 Correct 41 ms 40364 KB Output is correct
55 Correct 39 ms 40788 KB Output is correct
56 Correct 48 ms 46416 KB Output is correct
57 Correct 35 ms 43868 KB Output is correct
58 Correct 37 ms 44368 KB Output is correct
59 Correct 39 ms 46420 KB Output is correct
60 Correct 36 ms 42580 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 27228 KB Output is correct
2 Correct 5 ms 27248 KB Output is correct
3 Correct 5 ms 27224 KB Output is correct
4 Correct 6 ms 27272 KB Output is correct
5 Correct 6 ms 27256 KB Output is correct
6 Correct 6 ms 27244 KB Output is correct
7 Correct 6 ms 27228 KB Output is correct
8 Correct 5 ms 27228 KB Output is correct
9 Correct 6 ms 27228 KB Output is correct
10 Correct 5 ms 27304 KB Output is correct
11 Correct 5 ms 27224 KB Output is correct
12 Correct 6 ms 27224 KB Output is correct
13 Correct 5 ms 27224 KB Output is correct
14 Correct 6 ms 27228 KB Output is correct
15 Correct 6 ms 27228 KB Output is correct
16 Correct 5 ms 27224 KB Output is correct
17 Correct 7 ms 27224 KB Output is correct
18 Correct 5 ms 27224 KB Output is correct
19 Correct 5 ms 27228 KB Output is correct
20 Correct 5 ms 27224 KB Output is correct
21 Correct 5 ms 27228 KB Output is correct
22 Correct 5 ms 27228 KB Output is correct
23 Correct 6 ms 27304 KB Output is correct
24 Correct 6 ms 27228 KB Output is correct
25 Correct 5 ms 27228 KB Output is correct
26 Correct 6 ms 27228 KB Output is correct
27 Correct 5 ms 27228 KB Output is correct
28 Correct 5 ms 27228 KB Output is correct
29 Correct 6 ms 27228 KB Output is correct
30 Correct 6 ms 27228 KB Output is correct
31 Correct 6 ms 27484 KB Output is correct
32 Correct 6 ms 27560 KB Output is correct
33 Correct 6 ms 27740 KB Output is correct
34 Correct 6 ms 27740 KB Output is correct
35 Correct 9 ms 27744 KB Output is correct
36 Correct 6 ms 27484 KB Output is correct
37 Correct 6 ms 27484 KB Output is correct
38 Correct 6 ms 27572 KB Output is correct
39 Correct 6 ms 27564 KB Output is correct
40 Correct 7 ms 27740 KB Output is correct
41 Correct 6 ms 27740 KB Output is correct
42 Correct 7 ms 27740 KB Output is correct
43 Correct 8 ms 27740 KB Output is correct
44 Correct 6 ms 27840 KB Output is correct
45 Correct 6 ms 27740 KB Output is correct
46 Correct 21 ms 33884 KB Output is correct
47 Correct 35 ms 41604 KB Output is correct
48 Correct 55 ms 43928 KB Output is correct
49 Correct 43 ms 46312 KB Output is correct
50 Correct 42 ms 47180 KB Output is correct
51 Correct 42 ms 40784 KB Output is correct
52 Correct 24 ms 33880 KB Output is correct
53 Correct 17 ms 31324 KB Output is correct
54 Correct 41 ms 40364 KB Output is correct
55 Correct 39 ms 40788 KB Output is correct
56 Correct 48 ms 46416 KB Output is correct
57 Correct 35 ms 43868 KB Output is correct
58 Correct 37 ms 44368 KB Output is correct
59 Correct 39 ms 46420 KB Output is correct
60 Correct 36 ms 42580 KB Output is correct
61 Correct 93 ms 64852 KB Output is correct
62 Correct 115 ms 80620 KB Output is correct
63 Correct 193 ms 103764 KB Output is correct
64 Correct 226 ms 124508 KB Output is correct
65 Correct 214 ms 130488 KB Output is correct
66 Correct 203 ms 99356 KB Output is correct
67 Correct 173 ms 85520 KB Output is correct
68 Correct 80 ms 56544 KB Output is correct
69 Correct 176 ms 95568 KB Output is correct
70 Correct 179 ms 99412 KB Output is correct
71 Correct 198 ms 127520 KB Output is correct
72 Correct 156 ms 115488 KB Output is correct
73 Correct 177 ms 123832 KB Output is correct
74 Correct 180 ms 128852 KB Output is correct
75 Correct 179 ms 122452 KB Output is correct