Submission #332453

# Submission time Handle Problem Language Result Execution time Memory
332453 2020-12-02T15:52:43 Z dolphingarlic Bigger segments (IZhO19_segments) C++14
100 / 100
91 ms 12140 KB
#include <stdio.h>

long long pref[500001], dp_cost[500001];
int dp_cnt[500001], lptr = 0, rptr = 0, dq[500001];

int main() {
    int n;
    scanf("%d", &n);
    for (int i = 1; i <= n; ++i) {
        scanf("%d", pref + i);
        pref[i] += pref[i - 1];
        while (rptr - lptr && pref[i] - pref[dq[lptr + 1]] >= dp_cost[dq[lptr + 1]])
            ++lptr;
        dp_cnt[i] = dp_cnt[dq[lptr]] + 1;
        dp_cost[i] = pref[i] - pref[dq[lptr]];
        while (dp_cost[dq[rptr]] - dp_cost[i] >= pref[i] - pref[dq[rptr]])
            --rptr;
        dq[++rptr] = i;
    }
    printf("%d", dp_cnt[n]);
    return 0;
}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:10:17: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
   10 |         scanf("%d", pref + i);
      |                ~^   ~~~~~~~~
      |                 |        |
      |                 int*     long long int*
      |                %lld
segments.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    8 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
segments.cpp:10:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   10 |         scanf("%d", pref + i);
      |         ~~~~~^~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 0 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 0 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 0 ms 364 KB Output is correct
27 Correct 0 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 0 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 0 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 0 ms 364 KB Output is correct
27 Correct 0 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 2 ms 364 KB Output is correct
36 Correct 2 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 0 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 0 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 0 ms 364 KB Output is correct
27 Correct 0 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 2 ms 364 KB Output is correct
36 Correct 2 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 14 ms 2668 KB Output is correct
47 Correct 15 ms 2540 KB Output is correct
48 Correct 16 ms 2284 KB Output is correct
49 Correct 18 ms 2540 KB Output is correct
50 Correct 27 ms 2668 KB Output is correct
51 Correct 19 ms 2540 KB Output is correct
52 Correct 10 ms 1516 KB Output is correct
53 Correct 6 ms 1004 KB Output is correct
54 Correct 14 ms 2540 KB Output is correct
55 Correct 17 ms 2668 KB Output is correct
56 Correct 14 ms 2668 KB Output is correct
57 Correct 16 ms 2668 KB Output is correct
58 Correct 14 ms 2668 KB Output is correct
59 Correct 14 ms 2668 KB Output is correct
60 Correct 15 ms 2668 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 0 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 0 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 0 ms 364 KB Output is correct
27 Correct 0 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 2 ms 364 KB Output is correct
36 Correct 2 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 14 ms 2668 KB Output is correct
47 Correct 15 ms 2540 KB Output is correct
48 Correct 16 ms 2284 KB Output is correct
49 Correct 18 ms 2540 KB Output is correct
50 Correct 27 ms 2668 KB Output is correct
51 Correct 19 ms 2540 KB Output is correct
52 Correct 10 ms 1516 KB Output is correct
53 Correct 6 ms 1004 KB Output is correct
54 Correct 14 ms 2540 KB Output is correct
55 Correct 17 ms 2668 KB Output is correct
56 Correct 14 ms 2668 KB Output is correct
57 Correct 16 ms 2668 KB Output is correct
58 Correct 14 ms 2668 KB Output is correct
59 Correct 14 ms 2668 KB Output is correct
60 Correct 15 ms 2668 KB Output is correct
61 Correct 65 ms 12044 KB Output is correct
62 Correct 65 ms 12012 KB Output is correct
63 Correct 69 ms 11628 KB Output is correct
64 Correct 86 ms 10476 KB Output is correct
65 Correct 83 ms 12140 KB Output is correct
66 Correct 91 ms 11628 KB Output is correct
67 Correct 73 ms 9452 KB Output is correct
68 Correct 49 ms 4844 KB Output is correct
69 Correct 68 ms 11500 KB Output is correct
70 Correct 86 ms 11884 KB Output is correct
71 Correct 65 ms 12072 KB Output is correct
72 Correct 67 ms 11628 KB Output is correct
73 Correct 71 ms 11756 KB Output is correct
74 Correct 72 ms 12012 KB Output is correct
75 Correct 75 ms 12012 KB Output is correct