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답안 #681770

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
681770 2023-01-14T08:43:53 Z Cross_Ratio Cigle (COI21_cigle) C++14
100 / 100
 258 ms 67396 KB 
#include <bits/stdc++.h>
using namespace std;
int A[5005];
int B[5005][5005];
int C[5005];
signed main() {
    cin.sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int N;
    cin >> N;
    int i, j;
    for(i=0;i<N;i++) cin >> A[i];
    //A[0][0] = A[0][1] = .. = A[0][N+1] = 0
    for(j=1;j<N;j++) {
        for(i=0;i<=j-1;i++) C[i] = B[i][j];
        for(i=0;i+1<=j-1;i++) C[i+1] = max(C[i+1], C[i]);
        int val = C[j-1];
        int pt = j;
        int cnt = 0;
        int sum1 = 0, sum2 = 0;
        for(int k=j+1;k<N+1;k++) {
            if(k >= j+2) sum1 += A[k-2];
            while(sum2 < sum1 && pt-1>=0) {
                sum2 += A[pt-1];
                pt--;
            }
            if(k>=j+2&&sum1==sum2) {
                cnt++;
            }
            //cout << j << ", " << k << " : " << sum1 << ' '<< sum2 << ' ' << pt << ' ' << cnt << '\n';
            if(pt>=1) val = max(val, cnt + C[pt-1]);
            B[j][k] = max(B[j][k], val);
        }
    }
    int ans = 0;
    for(i=0;i<N;i++) ans = max(ans, B[i][N]);
    cout << ans;
}

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 392 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 328 KB Output is correct
9 Correct 1 ms 340 KB Output is correct

Subtask #2
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 392 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 328 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 588 KB Output is correct
13 Correct 1 ms 596 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 588 KB Output is correct
17 Correct 1 ms 580 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

Subtask #3
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2772 KB Output is correct
2 Correct 2 ms 2772 KB Output is correct
3 Correct 2 ms 2772 KB Output is correct
4 Correct 2 ms 2772 KB Output is correct
5 Correct 3 ms 2772 KB Output is correct
6 Correct 3 ms 2772 KB Output is correct
7 Correct 3 ms 2772 KB Output is correct
8 Correct 3 ms 2772 KB Output is correct
9 Correct 3 ms 2772 KB Output is correct
10 Correct 3 ms 2772 KB Output is correct
11 Correct 3 ms 2772 KB Output is correct
12 Correct 3 ms 2824 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 392 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 328 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 588 KB Output is correct
13 Correct 1 ms 596 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 588 KB Output is correct
17 Correct 1 ms 580 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 2 ms 2772 KB Output is correct
23 Correct 2 ms 2772 KB Output is correct
24 Correct 2 ms 2772 KB Output is correct
25 Correct 3 ms 2772 KB Output is correct
26 Correct 3 ms 2772 KB Output is correct
27 Correct 3 ms 2772 KB Output is correct
28 Correct 3 ms 2772 KB Output is correct
29 Correct 3 ms 2772 KB Output is correct
30 Correct 3 ms 2772 KB Output is correct
31 Correct 3 ms 2772 KB Output is correct
32 Correct 3 ms 2824 KB Output is correct
33 Correct 2 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 3 ms 2760 KB Output is correct
38 Correct 3 ms 2772 KB Output is correct
39 Correct 3 ms 2772 KB Output is correct
40 Correct 3 ms 2772 KB Output is correct
41 Correct 3 ms 2772 KB Output is correct
42 Correct 3 ms 2772 KB Output is correct
43 Correct 3 ms 2760 KB Output is correct
44 Correct 3 ms 2756 KB Output is correct
45 Correct 3 ms 2772 KB Output is correct
46 Correct 3 ms 2772 KB Output is correct
47 Correct 3 ms 2772 KB Output is correct
48 Correct 5 ms 2772 KB Output is correct
49 Correct 3 ms 2772 KB Output is correct

Subtask #5
52.0 / 52.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 392 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 328 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 588 KB Output is correct
13 Correct 1 ms 596 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 588 KB Output is correct
17 Correct 1 ms 580 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 2 ms 2772 KB Output is correct
23 Correct 2 ms 2772 KB Output is correct
24 Correct 2 ms 2772 KB Output is correct
25 Correct 3 ms 2772 KB Output is correct
26 Correct 3 ms 2772 KB Output is correct
27 Correct 3 ms 2772 KB Output is correct
28 Correct 3 ms 2772 KB Output is correct
29 Correct 3 ms 2772 KB Output is correct
30 Correct 3 ms 2772 KB Output is correct
31 Correct 3 ms 2772 KB Output is correct
32 Correct 3 ms 2824 KB Output is correct
33 Correct 2 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 3 ms 2760 KB Output is correct
38 Correct 3 ms 2772 KB Output is correct
39 Correct 3 ms 2772 KB Output is correct
40 Correct 3 ms 2772 KB Output is correct
41 Correct 3 ms 2772 KB Output is correct
42 Correct 3 ms 2772 KB Output is correct
43 Correct 3 ms 2760 KB Output is correct
44 Correct 3 ms 2756 KB Output is correct
45 Correct 3 ms 2772 KB Output is correct
46 Correct 3 ms 2772 KB Output is correct
47 Correct 3 ms 2772 KB Output is correct
48 Correct 5 ms 2772 KB Output is correct
49 Correct 3 ms 2772 KB Output is correct
50 Correct 180 ms 67348 KB Output is correct
51 Correct 210 ms 67280 KB Output is correct
52 Correct 191 ms 67224 KB Output is correct
53 Correct 193 ms 67272 KB Output is correct
54 Correct 198 ms 67228 KB Output is correct
55 Correct 193 ms 67272 KB Output is correct
56 Correct 219 ms 67224 KB Output is correct
57 Correct 232 ms 67232 KB Output is correct
58 Correct 227 ms 67276 KB Output is correct
59 Correct 258 ms 67340 KB Output is correct
60 Correct 233 ms 67236 KB Output is correct
61 Correct 208 ms 67292 KB Output is correct
62 Correct 210 ms 67356 KB Output is correct
63 Correct 207 ms 67368 KB Output is correct
64 Correct 250 ms 67280 KB Output is correct
65 Correct 209 ms 67292 KB Output is correct
66 Correct 217 ms 67248 KB Output is correct
67 Correct 217 ms 67240 KB Output is correct
68 Correct 195 ms 67228 KB Output is correct
69 Correct 199 ms 67324 KB Output is correct
70 Correct 239 ms 67396 KB Output is correct
71 Correct 233 ms 67320 KB Output is correct
72 Correct 219 ms 67328 KB Output is correct