#include <bits/stdc++.h>
#define MAX 505000
int N,K;
long long array[MAX];
typedef std::pair<long long,long long> pll;
pll func(long long C){
long long a=1,b=0;
long long max=0,maxval=0;
long long pega=-C,npega=0;
for(int i=0;i!=N;++i){
pega+=array[i];
if(pega>npega){
npega=pega;
b=a;
}
if(npega-C>pega){
pega=npega-C;
a=b;
++a;
}
if(pega>max){
max=pega;
maxval=a;
}
}
return {max,maxval};
}
int main()
{
std::ios::sync_with_stdio(false);
std::cin.tie(0);
std::cout.tie(0);
std::cin>>N>>K;
for(int i=0;i!=N;++i)std::cin>>array[i];
long long l=0,r=1LL<<50LL;
while(l<r){
long long m = (l+r)/2;
long long res = func(m).second;
if(res<=K){
r=m;
}else l=m+1;
}
auto res = func(l);
if(!l){
std::cout<<res.first<<"\n";
return 0;
}
std::cout<<(res.first+(K*l))<<"\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
42 ms |
2576 KB |
Output is correct |
2 |
Correct |
45 ms |
5400 KB |
Output is correct |
3 |
Correct |
44 ms |
5444 KB |
Output is correct |
4 |
Correct |
49 ms |
5444 KB |
Output is correct |
5 |
Correct |
43 ms |
5456 KB |
Output is correct |
6 |
Correct |
43 ms |
5316 KB |
Output is correct |
7 |
Correct |
42 ms |
5292 KB |
Output is correct |
8 |
Correct |
51 ms |
5416 KB |
Output is correct |
9 |
Correct |
44 ms |
5332 KB |
Output is correct |
10 |
Correct |
43 ms |
5436 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
37 ms |
2508 KB |
Output is correct |
2 |
Correct |
37 ms |
2636 KB |
Output is correct |
3 |
Correct |
43 ms |
2484 KB |
Output is correct |
4 |
Correct |
34 ms |
2564 KB |
Output is correct |
5 |
Correct |
42 ms |
5280 KB |
Output is correct |
6 |
Correct |
38 ms |
3660 KB |
Output is correct |
7 |
Correct |
35 ms |
3776 KB |
Output is correct |
8 |
Correct |
42 ms |
5424 KB |
Output is correct |
9 |
Correct |
47 ms |
5340 KB |
Output is correct |
10 |
Correct |
35 ms |
3748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
70 ms |
2664 KB |
Output is correct |
2 |
Correct |
69 ms |
2536 KB |
Output is correct |
3 |
Correct |
69 ms |
2536 KB |
Output is correct |
4 |
Correct |
70 ms |
2508 KB |
Output is correct |
5 |
Correct |
71 ms |
2612 KB |
Output is correct |
6 |
Correct |
72 ms |
2568 KB |
Output is correct |
7 |
Correct |
70 ms |
2636 KB |
Output is correct |
8 |
Correct |
77 ms |
2588 KB |
Output is correct |
9 |
Correct |
69 ms |
2672 KB |
Output is correct |
10 |
Correct |
71 ms |
2636 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
2 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
42 ms |
2576 KB |
Output is correct |
2 |
Correct |
45 ms |
5400 KB |
Output is correct |
3 |
Correct |
44 ms |
5444 KB |
Output is correct |
4 |
Correct |
49 ms |
5444 KB |
Output is correct |
5 |
Correct |
43 ms |
5456 KB |
Output is correct |
6 |
Correct |
43 ms |
5316 KB |
Output is correct |
7 |
Correct |
42 ms |
5292 KB |
Output is correct |
8 |
Correct |
51 ms |
5416 KB |
Output is correct |
9 |
Correct |
44 ms |
5332 KB |
Output is correct |
10 |
Correct |
43 ms |
5436 KB |
Output is correct |
11 |
Correct |
37 ms |
2508 KB |
Output is correct |
12 |
Correct |
37 ms |
2636 KB |
Output is correct |
13 |
Correct |
43 ms |
2484 KB |
Output is correct |
14 |
Correct |
34 ms |
2564 KB |
Output is correct |
15 |
Correct |
42 ms |
5280 KB |
Output is correct |
16 |
Correct |
38 ms |
3660 KB |
Output is correct |
17 |
Correct |
35 ms |
3776 KB |
Output is correct |
18 |
Correct |
42 ms |
5424 KB |
Output is correct |
19 |
Correct |
47 ms |
5340 KB |
Output is correct |
20 |
Correct |
35 ms |
3748 KB |
Output is correct |
21 |
Correct |
70 ms |
2664 KB |
Output is correct |
22 |
Correct |
69 ms |
2536 KB |
Output is correct |
23 |
Correct |
69 ms |
2536 KB |
Output is correct |
24 |
Correct |
70 ms |
2508 KB |
Output is correct |
25 |
Correct |
71 ms |
2612 KB |
Output is correct |
26 |
Correct |
72 ms |
2568 KB |
Output is correct |
27 |
Correct |
70 ms |
2636 KB |
Output is correct |
28 |
Correct |
77 ms |
2588 KB |
Output is correct |
29 |
Correct |
69 ms |
2672 KB |
Output is correct |
30 |
Correct |
71 ms |
2636 KB |
Output is correct |
31 |
Correct |
0 ms |
204 KB |
Output is correct |
32 |
Correct |
0 ms |
204 KB |
Output is correct |
33 |
Correct |
0 ms |
204 KB |
Output is correct |
34 |
Correct |
0 ms |
204 KB |
Output is correct |
35 |
Correct |
1 ms |
204 KB |
Output is correct |
36 |
Correct |
0 ms |
204 KB |
Output is correct |
37 |
Correct |
0 ms |
204 KB |
Output is correct |
38 |
Correct |
1 ms |
204 KB |
Output is correct |
39 |
Correct |
0 ms |
204 KB |
Output is correct |
40 |
Correct |
0 ms |
204 KB |
Output is correct |
41 |
Correct |
0 ms |
204 KB |
Output is correct |
42 |
Correct |
1 ms |
204 KB |
Output is correct |
43 |
Correct |
0 ms |
204 KB |
Output is correct |
44 |
Correct |
0 ms |
204 KB |
Output is correct |
45 |
Correct |
0 ms |
204 KB |
Output is correct |
46 |
Correct |
1 ms |
204 KB |
Output is correct |
47 |
Correct |
1 ms |
204 KB |
Output is correct |
48 |
Correct |
0 ms |
204 KB |
Output is correct |
49 |
Correct |
1 ms |
204 KB |
Output is correct |
50 |
Correct |
0 ms |
204 KB |
Output is correct |
51 |
Correct |
1 ms |
332 KB |
Output is correct |
52 |
Correct |
1 ms |
332 KB |
Output is correct |
53 |
Correct |
1 ms |
332 KB |
Output is correct |
54 |
Correct |
1 ms |
336 KB |
Output is correct |
55 |
Correct |
1 ms |
332 KB |
Output is correct |
56 |
Correct |
1 ms |
332 KB |
Output is correct |
57 |
Correct |
2 ms |
332 KB |
Output is correct |
58 |
Correct |
1 ms |
332 KB |
Output is correct |
59 |
Correct |
1 ms |
332 KB |
Output is correct |
60 |
Correct |
1 ms |
332 KB |
Output is correct |
61 |
Correct |
113 ms |
5572 KB |
Output is correct |
62 |
Correct |
103 ms |
5588 KB |
Output is correct |
63 |
Correct |
87 ms |
5464 KB |
Output is correct |
64 |
Correct |
111 ms |
5700 KB |
Output is correct |
65 |
Correct |
112 ms |
5664 KB |
Output is correct |
66 |
Correct |
108 ms |
5648 KB |
Output is correct |
67 |
Correct |
113 ms |
5564 KB |
Output is correct |
68 |
Correct |
72 ms |
5632 KB |
Output is correct |
69 |
Correct |
75 ms |
5700 KB |
Output is correct |
70 |
Correct |
69 ms |
5416 KB |
Output is correct |