답안 #1102622

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1102622	2024-10-18T13:10:20 Z	coolsentenceidontremember	Hacker (BOI15_hac)	C++17	100 / 100	295 ms	20300 KB

/*


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*/



#include"bits/stdc++.h"
#define ll long long
#define ld long double
#define ff first
#define ss second
#define pii pair<int, int>
#define mp make_pair
#define make_rng mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())
#define make_rng64 mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count())
using namespace std;

void setIO(string s = ""){
 ios_base::sync_with_stdio(false);
 cin.tie(nullptr);
 cout.tie(nullptr);
 if (!s.empty()){
	freopen((s+".in").c_str(), "r", stdin);
	freopen((s+".out").c_str(), "w", stdout);
	}
}

const double PI = acos(-1);

struct chash{
	const uint64_t C = uint64_t(2e18 * PI) + 71;
	const uint32_t random = chrono::steady_clock::now().time_since_epoch().count();
	size_t operator()(uint64_t x) const {
		return __builtin_bswap64((x^random)*C);
	}
};




int main(){
	setIO();
	int n;
	cin >> n;
	int k = (n+1)/2;
	vector<int> v(2*n+1);
	for (int i = 1; i <= n; i++){
		cin >> v[i];
		v[i+n] = v[i];
	}
	vector<int> min_range(n+1, INT_MAX);
	for (int i = 1; i <= 2*n; i++) v[i] += v[i-1];
	multiset<int> s;
	for (int i = 1; i <= 2*n; i++){
		if (i + k - 1 <= 2*n) s.insert(v[i+k-1] - v[i-1]);
		if (i > k) s.erase(s.find(v[i-1] - v[i-k-1]));
		int cur = ((i-1)%n) + 1;
		min_range[cur] = min(min_range[cur], *s.begin());
	}
	cout << *max_element(min_range.begin()+1, min_range.end());
}

Compilation message

hac.cpp: In function 'void setIO(std::string)':
hac.cpp:139:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  139 |  freopen((s+".in").c_str(), "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
hac.cpp:140:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  140 |  freopen((s+".out").c_str(), "w", stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	504 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	508 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	504 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	504 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	508 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	504 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	2 ms	508 KB	Output is correct
23	Correct	3 ms	596 KB	Output is correct
24	Correct	2 ms	340 KB	Output is correct
25	Correct	3 ms	596 KB	Output is correct
26	Correct	2 ms	596 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	2 ms	596 KB	Output is correct
31	Correct	2 ms	596 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	2 ms	596 KB	Output is correct
4	Correct	31 ms	3496 KB	Output is correct
5	Correct	94 ms	8216 KB	Output is correct
6	Correct	125 ms	10316 KB	Output is correct
7	Correct	125 ms	12364 KB	Output is correct
8	Correct	295 ms	20044 KB	Output is correct

Subtask #4
40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	504 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	508 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	504 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	2 ms	508 KB	Output is correct
23	Correct	3 ms	596 KB	Output is correct
24	Correct	2 ms	340 KB	Output is correct
25	Correct	3 ms	596 KB	Output is correct
26	Correct	2 ms	596 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	2 ms	596 KB	Output is correct
31	Correct	2 ms	596 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	2 ms	596 KB	Output is correct
35	Correct	31 ms	3496 KB	Output is correct
36	Correct	94 ms	8216 KB	Output is correct
37	Correct	125 ms	10316 KB	Output is correct
38	Correct	125 ms	12364 KB	Output is correct
39	Correct	295 ms	20044 KB	Output is correct
40	Correct	4 ms	852 KB	Output is correct
41	Correct	7 ms	1108 KB	Output is correct
42	Correct	11 ms	1620 KB	Output is correct
43	Correct	87 ms	8216 KB	Output is correct
44	Correct	239 ms	20300 KB	Output is correct
45	Correct	36 ms	4180 KB	Output is correct
46	Correct	137 ms	12144 KB	Output is correct
47	Correct	254 ms	20044 KB	Output is correct
48	Correct	183 ms	20300 KB	Output is correct
49	Correct	170 ms	19456 KB	Output is correct
50	Correct	168 ms	19644 KB	Output is correct

답안 #1102622

Compilation message

Subtask #1 20.0 / 20.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 40.0 / 40.0

Subtask #1
20.0 / 20.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
40.0 / 40.0