답안 #55133

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
55133 2018-07-06T05:57:54 Z 윤교준(#1528) 도넛 (JOI14_ho_t3) C++11
100 / 100
50 ms 14488 KB
#include <bits/stdc++.h>
#define pb push_back
#define eb emplace_back
#define sz(V) ((int)(V).size())
#define allv(V) ((V).begin()),((V).end())
#define befv(V) ((V)[sz(V)-2])
#define sorv(V) sort(allv(V))
#define revv(V) reverse(allv(V))
#define univ(V) (V).erase(unique(allv(V)),(V).end())
#define upmax(a,b) (a)=max((a),(b))
#define upmin(a,b) (a)=min((a),(b))
#define rb(x) ((x)&(-(x)))
#define INF (0x3f3f3f3f)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<int, ll> pil;

const int MAXN = 100005;

ll S[MAXN*3];

int A[MAXN];

ll Ans;
int N;

int main() {
    //freopen("input.txt", "r", stdin);
	ios::sync_with_stdio(false);

	cin >> N;
	for(int i = 1; i <= N; i++) cin >> A[i];

	for(int i = 1; i <= N; i++) S[i] = S[i-1] + A[i];
	for(int i = N+1; i <= 2*N; i++) S[i] = S[i-1] + A[i-N];
	for(int i = 2*N+1; i <= 3*N; i++) S[i] = S[i-1] + A[i-2*N];

	for(int i = 1, j = 1; i <= N; i++) {
		for(j = max(i, j); j < i+N; j++) {
			ll sum = S[j] - S[i-1];
			if(S[N] < sum*3) break;

			int s = j+1, e = i+N-1; for(int m; s < e;) {
				m = (s+e)/2;
				ll t = S[m] - S[j];
				if(t < sum) s = m+1;
				else e = m;
			}

			if(S[s] - S[j] < sum) break;
			if(S[i+N-1] - S[s] < sum) break;
		}

		upmax(Ans, S[j-1] - S[i-1]);
	}

	cout << Ans << endl;
	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 548 KB Output is correct
4 Correct 3 ms 548 KB Output is correct
5 Correct 2 ms 548 KB Output is correct
6 Correct 2 ms 548 KB Output is correct
7 Correct 2 ms 556 KB Output is correct
8 Correct 3 ms 728 KB Output is correct
9 Correct 3 ms 728 KB Output is correct
10 Correct 3 ms 728 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 548 KB Output is correct
4 Correct 3 ms 548 KB Output is correct
5 Correct 2 ms 548 KB Output is correct
6 Correct 2 ms 548 KB Output is correct
7 Correct 2 ms 556 KB Output is correct
8 Correct 3 ms 728 KB Output is correct
9 Correct 3 ms 728 KB Output is correct
10 Correct 3 ms 728 KB Output is correct
11 Correct 3 ms 728 KB Output is correct
12 Correct 2 ms 728 KB Output is correct
13 Correct 3 ms 728 KB Output is correct
14 Correct 3 ms 728 KB Output is correct
15 Correct 3 ms 728 KB Output is correct
16 Correct 3 ms 728 KB Output is correct
17 Correct 2 ms 728 KB Output is correct
18 Correct 2 ms 728 KB Output is correct
19 Correct 2 ms 732 KB Output is correct
20 Correct 3 ms 736 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 548 KB Output is correct
4 Correct 3 ms 548 KB Output is correct
5 Correct 2 ms 548 KB Output is correct
6 Correct 2 ms 548 KB Output is correct
7 Correct 2 ms 556 KB Output is correct
8 Correct 3 ms 728 KB Output is correct
9 Correct 3 ms 728 KB Output is correct
10 Correct 3 ms 728 KB Output is correct
11 Correct 3 ms 728 KB Output is correct
12 Correct 2 ms 728 KB Output is correct
13 Correct 3 ms 728 KB Output is correct
14 Correct 3 ms 728 KB Output is correct
15 Correct 3 ms 728 KB Output is correct
16 Correct 3 ms 728 KB Output is correct
17 Correct 2 ms 728 KB Output is correct
18 Correct 2 ms 728 KB Output is correct
19 Correct 2 ms 732 KB Output is correct
20 Correct 3 ms 736 KB Output is correct
21 Correct 4 ms 996 KB Output is correct
22 Correct 4 ms 1040 KB Output is correct
23 Correct 6 ms 1220 KB Output is correct
24 Correct 5 ms 1220 KB Output is correct
25 Correct 4 ms 1220 KB Output is correct
26 Correct 6 ms 1248 KB Output is correct
27 Correct 6 ms 1344 KB Output is correct
28 Correct 5 ms 1480 KB Output is correct
29 Correct 4 ms 1560 KB Output is correct
30 Correct 5 ms 1676 KB Output is correct
31 Correct 5 ms 1808 KB Output is correct
32 Correct 5 ms 1808 KB Output is correct
33 Correct 5 ms 1808 KB Output is correct
34 Correct 6 ms 1808 KB Output is correct
35 Correct 4 ms 1808 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 548 KB Output is correct
4 Correct 3 ms 548 KB Output is correct
5 Correct 2 ms 548 KB Output is correct
6 Correct 2 ms 548 KB Output is correct
7 Correct 2 ms 556 KB Output is correct
8 Correct 3 ms 728 KB Output is correct
9 Correct 3 ms 728 KB Output is correct
10 Correct 3 ms 728 KB Output is correct
11 Correct 3 ms 728 KB Output is correct
12 Correct 2 ms 728 KB Output is correct
13 Correct 3 ms 728 KB Output is correct
14 Correct 3 ms 728 KB Output is correct
15 Correct 3 ms 728 KB Output is correct
16 Correct 3 ms 728 KB Output is correct
17 Correct 2 ms 728 KB Output is correct
18 Correct 2 ms 728 KB Output is correct
19 Correct 2 ms 732 KB Output is correct
20 Correct 3 ms 736 KB Output is correct
21 Correct 4 ms 996 KB Output is correct
22 Correct 4 ms 1040 KB Output is correct
23 Correct 6 ms 1220 KB Output is correct
24 Correct 5 ms 1220 KB Output is correct
25 Correct 4 ms 1220 KB Output is correct
26 Correct 6 ms 1248 KB Output is correct
27 Correct 6 ms 1344 KB Output is correct
28 Correct 5 ms 1480 KB Output is correct
29 Correct 4 ms 1560 KB Output is correct
30 Correct 5 ms 1676 KB Output is correct
31 Correct 5 ms 1808 KB Output is correct
32 Correct 5 ms 1808 KB Output is correct
33 Correct 5 ms 1808 KB Output is correct
34 Correct 6 ms 1808 KB Output is correct
35 Correct 4 ms 1808 KB Output is correct
36 Correct 36 ms 5272 KB Output is correct
37 Correct 48 ms 6108 KB Output is correct
38 Correct 38 ms 7200 KB Output is correct
39 Correct 49 ms 8164 KB Output is correct
40 Correct 37 ms 9016 KB Output is correct
41 Correct 50 ms 9964 KB Output is correct
42 Correct 30 ms 10928 KB Output is correct
43 Correct 39 ms 12020 KB Output is correct
44 Correct 35 ms 12984 KB Output is correct
45 Correct 35 ms 13824 KB Output is correct
46 Correct 29 ms 14148 KB Output is correct
47 Correct 30 ms 14300 KB Output is correct
48 Correct 29 ms 14488 KB Output is correct