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Submission #1006289

# Submission time Handle Problem Language Result Execution time Memory
1006289 2024-06-23T16:38:24 Z makanhulia Bigger segments (IZhO19_segments) C++17
100 / 100
 283 ms 47396 KB 
#include <bits/stdc++.h>
using namespace std;

# define int long long
# define fir first
# define sec second
# define pb push_back
# define endl "\n"

const int cnst = 2e5+5;
bool mutipletestcase = 0;
//bool debug = false;

void solve() {
    int n; cin >> n;

    int num[n+5];
    int dp[n+5]; dp[0] = 0;
    int pos[n+5];
    memset(pos, 0, sizeof(pos));
    int pre[n+5]; pre[0] = 0; pre[n+1] = 1e18;
    set<pair<int, int>> st;

    for(int i = 1; i<=n; i++) cin >> num[i];
    for(int i = 1; i<=n; i++) pre[i] = pre[i-1]+num[i];
    for(int i = 1; i<=n; i++) st.insert({pre[i], i});
    st.insert({pre[n+1], n+1});

    for(int i = 1; i<=n; i++) {
        pos[i] = max(pos[i], pos[i-1]);
        dp[i] = dp[pos[i]]+1;
        pair<int, int> x = *st.lower_bound({2*pre[i]-pre[pos[i]], 0});
        pos[x.sec] = i;
    }

    cout << dp[n] << endl;
}

signed main() {
    ios_base::sync_with_stdio(false); cin.tie(0);
    int t = 1;
    if(mutipletestcase) cin >> t; 
    while(t--) solve();
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 1 ms 604 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 612 KB Output is correct
41 Correct 1 ms 616 KB Output is correct
42 Correct 2 ms 612 KB Output is correct
43 Correct 1 ms 616 KB Output is correct
44 Correct 1 ms 604 KB Output is correct
45 Correct 1 ms 612 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 1 ms 604 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 612 KB Output is correct
41 Correct 1 ms 616 KB Output is correct
42 Correct 2 ms 612 KB Output is correct
43 Correct 1 ms 616 KB Output is correct
44 Correct 1 ms 604 KB Output is correct
45 Correct 1 ms 612 KB Output is correct
46 Correct 33 ms 9816 KB Output is correct
47 Correct 41 ms 9824 KB Output is correct
48 Correct 31 ms 9824 KB Output is correct
49 Correct 35 ms 9820 KB Output is correct
50 Correct 32 ms 9824 KB Output is correct
51 Correct 31 ms 9828 KB Output is correct
52 Correct 16 ms 4964 KB Output is correct
53 Correct 9 ms 3176 KB Output is correct
54 Correct 32 ms 9616 KB Output is correct
55 Correct 35 ms 9784 KB Output is correct
56 Correct 33 ms 9816 KB Output is correct
57 Correct 30 ms 9820 KB Output is correct
58 Correct 31 ms 9820 KB Output is correct
59 Correct 33 ms 9816 KB Output is correct
60 Correct 32 ms 9816 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 1 ms 604 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 612 KB Output is correct
41 Correct 1 ms 616 KB Output is correct
42 Correct 2 ms 612 KB Output is correct
43 Correct 1 ms 616 KB Output is correct
44 Correct 1 ms 604 KB Output is correct
45 Correct 1 ms 612 KB Output is correct
46 Correct 33 ms 9816 KB Output is correct
47 Correct 41 ms 9824 KB Output is correct
48 Correct 31 ms 9824 KB Output is correct
49 Correct 35 ms 9820 KB Output is correct
50 Correct 32 ms 9824 KB Output is correct
51 Correct 31 ms 9828 KB Output is correct
52 Correct 16 ms 4964 KB Output is correct
53 Correct 9 ms 3176 KB Output is correct
54 Correct 32 ms 9616 KB Output is correct
55 Correct 35 ms 9784 KB Output is correct
56 Correct 33 ms 9816 KB Output is correct
57 Correct 30 ms 9820 KB Output is correct
58 Correct 31 ms 9820 KB Output is correct
59 Correct 33 ms 9816 KB Output is correct
60 Correct 32 ms 9816 KB Output is correct
61 Correct 283 ms 47396 KB Output is correct
62 Correct 181 ms 47188 KB Output is correct
63 Correct 192 ms 47184 KB Output is correct
64 Correct 200 ms 47188 KB Output is correct
65 Correct 183 ms 47332 KB Output is correct
66 Correct 193 ms 47328 KB Output is correct
67 Correct 149 ms 37968 KB Output is correct
68 Correct 65 ms 19028 KB Output is correct
69 Correct 173 ms 47364 KB Output is correct
70 Correct 169 ms 47380 KB Output is correct
71 Correct 174 ms 47184 KB Output is correct
72 Correct 180 ms 47344 KB Output is correct
73 Correct 218 ms 47188 KB Output is correct
74 Correct 178 ms 47340 KB Output is correct
75 Correct 187 ms 47388 KB Output is correct