답안 #926383

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926383	2024-02-12T21:04:17 Z	Ludissey	Hacker (BOI15_hac)	C++14	100 / 100	52 ms	5412 KB

hac

#include <bits/stdc++.h>
using namespace std; signed main() {ios_base::sync_with_stdio(false); cin.tie(nullptr);int n; cin >> n;int half=((n+1)/2);vector<int> v(n*2,0);for (int i = 0; i < v.size(); i++) {if(i<n) {cin >> v[i];v[i+n]=v[i];}v[i]+=v[i-1];}deque<int> queue;for (int i = 0; i < half; i++){while(!queue.empty()&&v[queue.back()+half-1]-v[queue.back()-1]>(v[i+half-1]-v[i-1])) queue.pop_back();queue.push_back(i);}int outp=v[queue.front()+half-1]-v[queue.front()-1];for (int i = half; i < (n*2)-half; i++){if(!queue.empty()&&queue.front()==i-half) queue.pop_front();while(!queue.empty()&&v[queue.back()+half-1]-v[queue.back()-1]>(v[i+half-1]-v[i-1])) queue.pop_back();queue.push_back(i);outp=max(v[queue.front()+half-1]-v[queue.front()-1], outp);}cout << outp;return 0;}

Compilation message

hac.cpp: In function 'int main()':
hac.cpp:2:162: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    2 | using namespace std; signed main() {ios_base::sync_with_stdio(false); cin.tie(nullptr);int n; cin >> n;int half=((n+1)/2);vector<int> v(n*2,0);for (int i = 0; i < v.size(); i++) {if(i<n) {cin >> v[i];v[i+n]=v[i];}v[i]+=v[i-1];}deque<int> queue;for (int i = 0; i < half; i++){while(!queue.empty()&&v[queue.back()+half-1]-v[queue.back()-1]>(v[i+half-1]-v[i-1])) queue.pop_back();queue.push_back(i);}int outp=v[queue.front()+half-1]-v[queue.front()-1];for (int i = half; i < (n*2)-half; i++){if(!queue.empty()&&queue.front()==i-half) queue.pop_front();while(!queue.empty()&&v[queue.back()+half-1]-v[queue.back()-1]>(v[i+half-1]-v[i-1])) queue.pop_back();queue.push_back(i);outp=max(v[queue.front()+half-1]-v[queue.front()-1], outp);}cout << outp;return 0;}
      |                                                                                                                                                                ~~^~~~~~~~~~

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 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	0 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	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 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	0 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	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 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	1 ms	600 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	7 ms	860 KB	Output is correct
5	Correct	16 ms	2028 KB	Output is correct
6	Correct	20 ms	2392 KB	Output is correct
7	Correct	24 ms	2652 KB	Output is correct
8	Correct	39 ms	4184 KB	Output is correct

Subtask #4

40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 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	0 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	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 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	1 ms	600 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	7 ms	860 KB	Output is correct
36	Correct	16 ms	2028 KB	Output is correct
37	Correct	20 ms	2392 KB	Output is correct
38	Correct	24 ms	2652 KB	Output is correct
39	Correct	39 ms	4184 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	2 ms	604 KB	Output is correct
42	Correct	4 ms	600 KB	Output is correct
43	Correct	20 ms	2036 KB	Output is correct
44	Correct	52 ms	4188 KB	Output is correct
45	Correct	9 ms	1116 KB	Output is correct
46	Correct	24 ms	2652 KB	Output is correct
47	Correct	39 ms	4184 KB	Output is correct
48	Correct	32 ms	5212 KB	Output is correct
49	Correct	30 ms	5212 KB	Output is correct
50	Correct	30 ms	5412 KB	Output is correct