답안 #547531

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
547531 2022-04-10T22:24:48 Z penguinhacker Cigle (COI21_cigle) C++14
100 / 100
326 ms 67324 KB
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ar array

const int mxN=5000;
int n, a[mxN], dp[mxN][mxN], need[mxN];

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n;
	for (int i=0; i<n; ++i)
		cin >> a[i];
	for (int i=0; i<n; ++i) {
		//for (int j=0; j<=i; ++j)
		//	cout << i << " " << j << " " << dp[i][j] << "\n";
		for (int j=i-1; ~j; --j)
			dp[i][j]=max(dp[i][j], dp[i][j+1]);
		vector<ar<int, 2>> oc;
		int ind=i, left=a[i];
		for (int j=i+1; j<n; ++j) {
			left-=a[j];
			while(ind>0&&left<0)
				left+=a[--ind];
			if (ind>0&&left==0) {
				left+=a[--ind];
				oc.push_back({j+1, i-ind});
			}
		}
		int cur=dp[i][0];
		for (int j=i+1, k=0; j<n; ++j) {
			if (k<oc.size()&&oc[k][0]==j) {
				cur=max(cur, dp[i][oc[k][1]]+k+1);
				++k;
			}
			dp[j][j-i-1]=max(dp[j][j-i-1], cur);
		}
	}
	cout << *max_element(dp[n-1], dp[n-1]+n);
	return 0;
}

Compilation message

cigle.cpp: In function 'int main()':
cigle.cpp:34:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |    if (k<oc.size()&&oc[k][0]==j) {
      |        ~^~~~~~~~~~
# 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 1 ms 332 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
# 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 1 ms 332 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 580 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2772 KB Output is correct
2 Correct 3 ms 2772 KB Output is correct
3 Correct 3 ms 2772 KB Output is correct
4 Correct 3 ms 2772 KB Output is correct
5 Correct 4 ms 2772 KB Output is correct
6 Correct 3 ms 2772 KB Output is correct
7 Correct 4 ms 2772 KB Output is correct
8 Correct 4 ms 2760 KB Output is correct
9 Correct 3 ms 2772 KB Output is correct
10 Correct 3 ms 2772 KB Output is correct
11 Correct 4 ms 2764 KB Output is correct
12 Correct 4 ms 2772 KB Output is correct
# 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 1 ms 332 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 580 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 3 ms 2772 KB Output is correct
22 Correct 3 ms 2772 KB Output is correct
23 Correct 3 ms 2772 KB Output is correct
24 Correct 3 ms 2772 KB Output is correct
25 Correct 4 ms 2772 KB Output is correct
26 Correct 3 ms 2772 KB Output is correct
27 Correct 4 ms 2772 KB Output is correct
28 Correct 4 ms 2760 KB Output is correct
29 Correct 3 ms 2772 KB Output is correct
30 Correct 3 ms 2772 KB Output is correct
31 Correct 4 ms 2764 KB Output is correct
32 Correct 4 ms 2772 KB Output is correct
33 Correct 4 ms 2772 KB Output is correct
34 Correct 3 ms 2772 KB Output is correct
35 Correct 3 ms 2772 KB Output is correct
36 Correct 3 ms 2772 KB Output is correct
37 Correct 4 ms 2900 KB Output is correct
38 Correct 4 ms 2704 KB Output is correct
39 Correct 4 ms 2772 KB Output is correct
40 Correct 3 ms 2772 KB Output is correct
41 Correct 4 ms 2772 KB Output is correct
42 Correct 4 ms 2772 KB Output is correct
43 Correct 3 ms 2772 KB Output is correct
44 Correct 4 ms 2772 KB Output is correct
45 Correct 3 ms 2760 KB Output is correct
46 Correct 3 ms 2772 KB Output is correct
47 Correct 4 ms 2756 KB Output is correct
48 Correct 3 ms 2772 KB Output is correct
49 Correct 4 ms 2756 KB Output is correct
# 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 1 ms 332 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 580 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 3 ms 2772 KB Output is correct
22 Correct 3 ms 2772 KB Output is correct
23 Correct 3 ms 2772 KB Output is correct
24 Correct 3 ms 2772 KB Output is correct
25 Correct 4 ms 2772 KB Output is correct
26 Correct 3 ms 2772 KB Output is correct
27 Correct 4 ms 2772 KB Output is correct
28 Correct 4 ms 2760 KB Output is correct
29 Correct 3 ms 2772 KB Output is correct
30 Correct 3 ms 2772 KB Output is correct
31 Correct 4 ms 2764 KB Output is correct
32 Correct 4 ms 2772 KB Output is correct
33 Correct 4 ms 2772 KB Output is correct
34 Correct 3 ms 2772 KB Output is correct
35 Correct 3 ms 2772 KB Output is correct
36 Correct 3 ms 2772 KB Output is correct
37 Correct 4 ms 2900 KB Output is correct
38 Correct 4 ms 2704 KB Output is correct
39 Correct 4 ms 2772 KB Output is correct
40 Correct 3 ms 2772 KB Output is correct
41 Correct 4 ms 2772 KB Output is correct
42 Correct 4 ms 2772 KB Output is correct
43 Correct 3 ms 2772 KB Output is correct
44 Correct 4 ms 2772 KB Output is correct
45 Correct 3 ms 2760 KB Output is correct
46 Correct 3 ms 2772 KB Output is correct
47 Correct 4 ms 2756 KB Output is correct
48 Correct 3 ms 2772 KB Output is correct
49 Correct 4 ms 2756 KB Output is correct
50 Correct 297 ms 67176 KB Output is correct
51 Correct 273 ms 67152 KB Output is correct
52 Correct 276 ms 67252 KB Output is correct
53 Correct 283 ms 67260 KB Output is correct
54 Correct 295 ms 67228 KB Output is correct
55 Correct 272 ms 67232 KB Output is correct
56 Correct 306 ms 67268 KB Output is correct
57 Correct 326 ms 67152 KB Output is correct
58 Correct 323 ms 67148 KB Output is correct
59 Correct 261 ms 67196 KB Output is correct
60 Correct 278 ms 67232 KB Output is correct
61 Correct 253 ms 67268 KB Output is correct
62 Correct 230 ms 67124 KB Output is correct
63 Correct 235 ms 67180 KB Output is correct
64 Correct 240 ms 67164 KB Output is correct
65 Correct 252 ms 67156 KB Output is correct
66 Correct 239 ms 67172 KB Output is correct
67 Correct 220 ms 67220 KB Output is correct
68 Correct 225 ms 67188 KB Output is correct
69 Correct 231 ms 67148 KB Output is correct
70 Correct 269 ms 67324 KB Output is correct
71 Correct 267 ms 67244 KB Output is correct
72 Correct 246 ms 67232 KB Output is correct