#include<bits/stdc++.h>
#define god dimasi5eks
#pragma GCC optimize("O3")
#define fi first
#define se second
#define pb push_back
#define pf push_front
#define mod 1000000007
#define dancila 3.14159265359
#define eps 1e-9
// #define fisier 1
using namespace std;
typedef long long ll;
int n, v[500002];
ll sp[500002];
set<pair<int, int> >s[500002];
int tri(int val, int pz, int pz2)
{
ll sum = sp[pz2] - sp[pz - 1];
int st = pz+1;
int dr = n;
int ans = -1;
while(st <= dr)
{
int mid = (st + dr) / 2;
if(sp[mid] - sp[pz2] >= sum)
ans = mid, dr = mid - 1;
else
st = mid + 1;
}
return ans;
}
int main()
{
#ifdef fisier
ifstream f("input.in");
ofstream g("output.out");
#endif
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> n;
for(int i = 1; i <= n; ++i)
cin >> v[i];
for(int i = 1; i <= n; ++i)
sp[i] = sp[i-1] + v[i];
for(int i = 1; i <= n; ++i)
{
s[i].insert({1, 1});
int lst = 6969696;
if(i == n)
{
cout << (*s[n].rbegin()).fi << '\n';
return 0;
}
while(!s[i].empty())
{
pair<int, int> xx = *s[i].rbegin();
s[i].erase(xx);
if(xx.fi == lst)
continue;
s[i+1].insert(xx);
int ans = tri(xx.fi, xx.se, i);
// cout << i << " " << ans << " " << xx.fi << " " << xx.se << '\n';
if(ans != -1)
s[ans].insert({xx.fi + 1, i + 1});
if(lst != 6969696)
break;
lst = xx.fi;
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
23928 KB |
Output is correct |
2 |
Correct |
24 ms |
23928 KB |
Output is correct |
3 |
Correct |
13 ms |
23872 KB |
Output is correct |
4 |
Correct |
24 ms |
23800 KB |
Output is correct |
5 |
Correct |
24 ms |
23800 KB |
Output is correct |
6 |
Correct |
24 ms |
23800 KB |
Output is correct |
7 |
Correct |
24 ms |
23928 KB |
Output is correct |
8 |
Correct |
24 ms |
23800 KB |
Output is correct |
9 |
Correct |
23 ms |
23800 KB |
Output is correct |
10 |
Correct |
24 ms |
23800 KB |
Output is correct |
11 |
Correct |
24 ms |
23800 KB |
Output is correct |
12 |
Correct |
24 ms |
24056 KB |
Output is correct |
13 |
Correct |
24 ms |
23928 KB |
Output is correct |
14 |
Correct |
28 ms |
23928 KB |
Output is correct |
15 |
Correct |
26 ms |
23864 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
23928 KB |
Output is correct |
2 |
Correct |
24 ms |
23928 KB |
Output is correct |
3 |
Correct |
13 ms |
23872 KB |
Output is correct |
4 |
Correct |
24 ms |
23800 KB |
Output is correct |
5 |
Correct |
24 ms |
23800 KB |
Output is correct |
6 |
Correct |
24 ms |
23800 KB |
Output is correct |
7 |
Correct |
24 ms |
23928 KB |
Output is correct |
8 |
Correct |
24 ms |
23800 KB |
Output is correct |
9 |
Correct |
23 ms |
23800 KB |
Output is correct |
10 |
Correct |
24 ms |
23800 KB |
Output is correct |
11 |
Correct |
24 ms |
23800 KB |
Output is correct |
12 |
Correct |
24 ms |
24056 KB |
Output is correct |
13 |
Correct |
24 ms |
23928 KB |
Output is correct |
14 |
Correct |
28 ms |
23928 KB |
Output is correct |
15 |
Correct |
26 ms |
23864 KB |
Output is correct |
16 |
Correct |
23 ms |
23800 KB |
Output is correct |
17 |
Correct |
24 ms |
23920 KB |
Output is correct |
18 |
Correct |
24 ms |
23928 KB |
Output is correct |
19 |
Correct |
24 ms |
23928 KB |
Output is correct |
20 |
Correct |
24 ms |
23928 KB |
Output is correct |
21 |
Correct |
26 ms |
23868 KB |
Output is correct |
22 |
Correct |
24 ms |
23928 KB |
Output is correct |
23 |
Correct |
24 ms |
23928 KB |
Output is correct |
24 |
Correct |
24 ms |
23928 KB |
Output is correct |
25 |
Correct |
24 ms |
23820 KB |
Output is correct |
26 |
Correct |
23 ms |
23848 KB |
Output is correct |
27 |
Correct |
24 ms |
23928 KB |
Output is correct |
28 |
Correct |
24 ms |
23928 KB |
Output is correct |
29 |
Correct |
24 ms |
23928 KB |
Output is correct |
30 |
Correct |
24 ms |
23928 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
23928 KB |
Output is correct |
2 |
Correct |
24 ms |
23928 KB |
Output is correct |
3 |
Correct |
13 ms |
23872 KB |
Output is correct |
4 |
Correct |
24 ms |
23800 KB |
Output is correct |
5 |
Correct |
24 ms |
23800 KB |
Output is correct |
6 |
Correct |
24 ms |
23800 KB |
Output is correct |
7 |
Correct |
24 ms |
23928 KB |
Output is correct |
8 |
Correct |
24 ms |
23800 KB |
Output is correct |
9 |
Correct |
23 ms |
23800 KB |
Output is correct |
10 |
Correct |
24 ms |
23800 KB |
Output is correct |
11 |
Correct |
24 ms |
23800 KB |
Output is correct |
12 |
Correct |
24 ms |
24056 KB |
Output is correct |
13 |
Correct |
24 ms |
23928 KB |
Output is correct |
14 |
Correct |
28 ms |
23928 KB |
Output is correct |
15 |
Correct |
26 ms |
23864 KB |
Output is correct |
16 |
Correct |
23 ms |
23800 KB |
Output is correct |
17 |
Correct |
24 ms |
23920 KB |
Output is correct |
18 |
Correct |
24 ms |
23928 KB |
Output is correct |
19 |
Correct |
24 ms |
23928 KB |
Output is correct |
20 |
Correct |
24 ms |
23928 KB |
Output is correct |
21 |
Correct |
26 ms |
23868 KB |
Output is correct |
22 |
Correct |
24 ms |
23928 KB |
Output is correct |
23 |
Correct |
24 ms |
23928 KB |
Output is correct |
24 |
Correct |
24 ms |
23928 KB |
Output is correct |
25 |
Correct |
24 ms |
23820 KB |
Output is correct |
26 |
Correct |
23 ms |
23848 KB |
Output is correct |
27 |
Correct |
24 ms |
23928 KB |
Output is correct |
28 |
Correct |
24 ms |
23928 KB |
Output is correct |
29 |
Correct |
24 ms |
23928 KB |
Output is correct |
30 |
Correct |
24 ms |
23928 KB |
Output is correct |
31 |
Correct |
24 ms |
23928 KB |
Output is correct |
32 |
Correct |
26 ms |
24184 KB |
Output is correct |
33 |
Correct |
27 ms |
24312 KB |
Output is correct |
34 |
Correct |
26 ms |
24148 KB |
Output is correct |
35 |
Correct |
26 ms |
24312 KB |
Output is correct |
36 |
Correct |
27 ms |
24312 KB |
Output is correct |
37 |
Correct |
26 ms |
24184 KB |
Output is correct |
38 |
Correct |
29 ms |
24112 KB |
Output is correct |
39 |
Correct |
29 ms |
24312 KB |
Output is correct |
40 |
Correct |
27 ms |
24184 KB |
Output is correct |
41 |
Correct |
26 ms |
24312 KB |
Output is correct |
42 |
Correct |
25 ms |
24312 KB |
Output is correct |
43 |
Correct |
27 ms |
24184 KB |
Output is correct |
44 |
Correct |
26 ms |
24312 KB |
Output is correct |
45 |
Correct |
25 ms |
24312 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
23928 KB |
Output is correct |
2 |
Correct |
24 ms |
23928 KB |
Output is correct |
3 |
Correct |
13 ms |
23872 KB |
Output is correct |
4 |
Correct |
24 ms |
23800 KB |
Output is correct |
5 |
Correct |
24 ms |
23800 KB |
Output is correct |
6 |
Correct |
24 ms |
23800 KB |
Output is correct |
7 |
Correct |
24 ms |
23928 KB |
Output is correct |
8 |
Correct |
24 ms |
23800 KB |
Output is correct |
9 |
Correct |
23 ms |
23800 KB |
Output is correct |
10 |
Correct |
24 ms |
23800 KB |
Output is correct |
11 |
Correct |
24 ms |
23800 KB |
Output is correct |
12 |
Correct |
24 ms |
24056 KB |
Output is correct |
13 |
Correct |
24 ms |
23928 KB |
Output is correct |
14 |
Correct |
28 ms |
23928 KB |
Output is correct |
15 |
Correct |
26 ms |
23864 KB |
Output is correct |
16 |
Correct |
23 ms |
23800 KB |
Output is correct |
17 |
Correct |
24 ms |
23920 KB |
Output is correct |
18 |
Correct |
24 ms |
23928 KB |
Output is correct |
19 |
Correct |
24 ms |
23928 KB |
Output is correct |
20 |
Correct |
24 ms |
23928 KB |
Output is correct |
21 |
Correct |
26 ms |
23868 KB |
Output is correct |
22 |
Correct |
24 ms |
23928 KB |
Output is correct |
23 |
Correct |
24 ms |
23928 KB |
Output is correct |
24 |
Correct |
24 ms |
23928 KB |
Output is correct |
25 |
Correct |
24 ms |
23820 KB |
Output is correct |
26 |
Correct |
23 ms |
23848 KB |
Output is correct |
27 |
Correct |
24 ms |
23928 KB |
Output is correct |
28 |
Correct |
24 ms |
23928 KB |
Output is correct |
29 |
Correct |
24 ms |
23928 KB |
Output is correct |
30 |
Correct |
24 ms |
23928 KB |
Output is correct |
31 |
Correct |
24 ms |
23928 KB |
Output is correct |
32 |
Correct |
26 ms |
24184 KB |
Output is correct |
33 |
Correct |
27 ms |
24312 KB |
Output is correct |
34 |
Correct |
26 ms |
24148 KB |
Output is correct |
35 |
Correct |
26 ms |
24312 KB |
Output is correct |
36 |
Correct |
27 ms |
24312 KB |
Output is correct |
37 |
Correct |
26 ms |
24184 KB |
Output is correct |
38 |
Correct |
29 ms |
24112 KB |
Output is correct |
39 |
Correct |
29 ms |
24312 KB |
Output is correct |
40 |
Correct |
27 ms |
24184 KB |
Output is correct |
41 |
Correct |
26 ms |
24312 KB |
Output is correct |
42 |
Correct |
25 ms |
24312 KB |
Output is correct |
43 |
Correct |
27 ms |
24184 KB |
Output is correct |
44 |
Correct |
26 ms |
24312 KB |
Output is correct |
45 |
Correct |
25 ms |
24312 KB |
Output is correct |
46 |
Correct |
44 ms |
25464 KB |
Output is correct |
47 |
Correct |
102 ms |
34424 KB |
Output is correct |
48 |
Correct |
111 ms |
39672 KB |
Output is correct |
49 |
Correct |
91 ms |
39120 KB |
Output is correct |
50 |
Correct |
91 ms |
40056 KB |
Output is correct |
51 |
Correct |
122 ms |
35448 KB |
Output is correct |
52 |
Correct |
74 ms |
29724 KB |
Output is correct |
53 |
Correct |
50 ms |
27384 KB |
Output is correct |
54 |
Correct |
106 ms |
34808 KB |
Output is correct |
55 |
Correct |
108 ms |
35584 KB |
Output is correct |
56 |
Correct |
85 ms |
39544 KB |
Output is correct |
57 |
Correct |
98 ms |
39472 KB |
Output is correct |
58 |
Correct |
97 ms |
38620 KB |
Output is correct |
59 |
Correct |
90 ms |
39616 KB |
Output is correct |
60 |
Correct |
87 ms |
36856 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
23928 KB |
Output is correct |
2 |
Correct |
24 ms |
23928 KB |
Output is correct |
3 |
Correct |
13 ms |
23872 KB |
Output is correct |
4 |
Correct |
24 ms |
23800 KB |
Output is correct |
5 |
Correct |
24 ms |
23800 KB |
Output is correct |
6 |
Correct |
24 ms |
23800 KB |
Output is correct |
7 |
Correct |
24 ms |
23928 KB |
Output is correct |
8 |
Correct |
24 ms |
23800 KB |
Output is correct |
9 |
Correct |
23 ms |
23800 KB |
Output is correct |
10 |
Correct |
24 ms |
23800 KB |
Output is correct |
11 |
Correct |
24 ms |
23800 KB |
Output is correct |
12 |
Correct |
24 ms |
24056 KB |
Output is correct |
13 |
Correct |
24 ms |
23928 KB |
Output is correct |
14 |
Correct |
28 ms |
23928 KB |
Output is correct |
15 |
Correct |
26 ms |
23864 KB |
Output is correct |
16 |
Correct |
23 ms |
23800 KB |
Output is correct |
17 |
Correct |
24 ms |
23920 KB |
Output is correct |
18 |
Correct |
24 ms |
23928 KB |
Output is correct |
19 |
Correct |
24 ms |
23928 KB |
Output is correct |
20 |
Correct |
24 ms |
23928 KB |
Output is correct |
21 |
Correct |
26 ms |
23868 KB |
Output is correct |
22 |
Correct |
24 ms |
23928 KB |
Output is correct |
23 |
Correct |
24 ms |
23928 KB |
Output is correct |
24 |
Correct |
24 ms |
23928 KB |
Output is correct |
25 |
Correct |
24 ms |
23820 KB |
Output is correct |
26 |
Correct |
23 ms |
23848 KB |
Output is correct |
27 |
Correct |
24 ms |
23928 KB |
Output is correct |
28 |
Correct |
24 ms |
23928 KB |
Output is correct |
29 |
Correct |
24 ms |
23928 KB |
Output is correct |
30 |
Correct |
24 ms |
23928 KB |
Output is correct |
31 |
Correct |
24 ms |
23928 KB |
Output is correct |
32 |
Correct |
26 ms |
24184 KB |
Output is correct |
33 |
Correct |
27 ms |
24312 KB |
Output is correct |
34 |
Correct |
26 ms |
24148 KB |
Output is correct |
35 |
Correct |
26 ms |
24312 KB |
Output is correct |
36 |
Correct |
27 ms |
24312 KB |
Output is correct |
37 |
Correct |
26 ms |
24184 KB |
Output is correct |
38 |
Correct |
29 ms |
24112 KB |
Output is correct |
39 |
Correct |
29 ms |
24312 KB |
Output is correct |
40 |
Correct |
27 ms |
24184 KB |
Output is correct |
41 |
Correct |
26 ms |
24312 KB |
Output is correct |
42 |
Correct |
25 ms |
24312 KB |
Output is correct |
43 |
Correct |
27 ms |
24184 KB |
Output is correct |
44 |
Correct |
26 ms |
24312 KB |
Output is correct |
45 |
Correct |
25 ms |
24312 KB |
Output is correct |
46 |
Correct |
44 ms |
25464 KB |
Output is correct |
47 |
Correct |
102 ms |
34424 KB |
Output is correct |
48 |
Correct |
111 ms |
39672 KB |
Output is correct |
49 |
Correct |
91 ms |
39120 KB |
Output is correct |
50 |
Correct |
91 ms |
40056 KB |
Output is correct |
51 |
Correct |
122 ms |
35448 KB |
Output is correct |
52 |
Correct |
74 ms |
29724 KB |
Output is correct |
53 |
Correct |
50 ms |
27384 KB |
Output is correct |
54 |
Correct |
106 ms |
34808 KB |
Output is correct |
55 |
Correct |
108 ms |
35584 KB |
Output is correct |
56 |
Correct |
85 ms |
39544 KB |
Output is correct |
57 |
Correct |
98 ms |
39472 KB |
Output is correct |
58 |
Correct |
97 ms |
38620 KB |
Output is correct |
59 |
Correct |
90 ms |
39616 KB |
Output is correct |
60 |
Correct |
87 ms |
36856 KB |
Output is correct |
61 |
Correct |
124 ms |
31608 KB |
Output is correct |
62 |
Correct |
238 ms |
43572 KB |
Output is correct |
63 |
Correct |
446 ms |
68856 KB |
Output is correct |
64 |
Correct |
444 ms |
104844 KB |
Output is correct |
65 |
Correct |
363 ms |
105236 KB |
Output is correct |
66 |
Correct |
462 ms |
82032 KB |
Output is correct |
67 |
Correct |
383 ms |
70264 KB |
Output is correct |
68 |
Correct |
198 ms |
47064 KB |
Output is correct |
69 |
Correct |
439 ms |
78304 KB |
Output is correct |
70 |
Correct |
398 ms |
81908 KB |
Output is correct |
71 |
Correct |
334 ms |
102184 KB |
Output is correct |
72 |
Correct |
436 ms |
102648 KB |
Output is correct |
73 |
Correct |
376 ms |
103080 KB |
Output is correct |
74 |
Correct |
347 ms |
103692 KB |
Output is correct |
75 |
Correct |
351 ms |
98576 KB |
Output is correct |