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Submission #417395

# Submission time Handle Problem Language Result Execution time Memory
417395 2021-06-03T16:15:57 Z doowey Cigle (COI21_cigle) C++14
100 / 100
 249 ms 67420 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

const int N = 5010;
int dp[N][N];
int D[N];

int main(){
    fastIO;
    int n;
    cin >> n;
    for(int i = 1; i <= n; i ++ ){
        cin >> D[i];
    }
    int pp;
    int cum;
    int cur;
    int outp = 0;

    int dpe;
    int val;
    int cur_v;
    int total;
    for(int cut = 2; cut <= n; cut ++ ){
        for(int ash = 2; ash <= cut - 1; ash ++ ){
            dp[ash][cut - 1] = max(dp[ash][cut - 1], dp[ash-1][cut-1]);
        }
        cur = 0;
        cum = 0;
        pp = cut;

        dpe = cut - 1;
        total = 0;
        cur_v = 0;
        for(int go = cut; go <= n; go ++ ){
            dp[cut][go] = dp[dpe][cut - 1] + cur_v;
            if(go == n)
                outp = max(outp, dp[cut][go]);

            cur += D[go];
            while(pp > 1 && cum < cur){
                pp --;
                cum += D[pp];
            }
            if(cum == cur){
                total ++ ;
                if(pp - 1 >= dpe){
                    cur_v ++ ;
                }
                else{
                    if(pp - 1 >= 1 && dp[pp - 1][cut - 1] + total >= dp[dpe][cut - 1] + cur_v){
                        cur_v = total;
                        dpe = pp - 1;
                    }
                }
            }
        }
    }
    cout << outp << "\n";
    return 0;
}

Compilation message

cigle.cpp: In function 'int main()':
cigle.cpp:30:9: warning: unused variable 'val' [-Wunused-variable]
   30 |     int val;
      |         ^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 588 KB Output is correct
13 Correct 1 ms 588 KB Output is correct
14 Correct 1 ms 588 KB Output is correct
15 Correct 1 ms 588 KB Output is correct
16 Correct 1 ms 588 KB Output is correct
17 Correct 1 ms 588 KB Output is correct
18 Correct 1 ms 580 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 588 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2764 KB Output is correct
2 Correct 3 ms 2764 KB Output is correct
3 Correct 3 ms 2764 KB Output is correct
4 Correct 3 ms 2764 KB Output is correct
5 Correct 3 ms 2764 KB Output is correct
6 Correct 3 ms 2764 KB Output is correct
7 Correct 3 ms 2764 KB Output is correct
8 Correct 3 ms 2772 KB Output is correct
9 Correct 3 ms 2764 KB Output is correct
10 Correct 3 ms 2764 KB Output is correct
11 Correct 3 ms 2764 KB Output is correct
12 Correct 3 ms 2764 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 588 KB Output is correct
13 Correct 1 ms 588 KB Output is correct
14 Correct 1 ms 588 KB Output is correct
15 Correct 1 ms 588 KB Output is correct
16 Correct 1 ms 588 KB Output is correct
17 Correct 1 ms 588 KB Output is correct
18 Correct 1 ms 580 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 588 KB Output is correct
21 Correct 3 ms 2764 KB Output is correct
22 Correct 3 ms 2764 KB Output is correct
23 Correct 3 ms 2764 KB Output is correct
24 Correct 3 ms 2764 KB Output is correct
25 Correct 3 ms 2764 KB Output is correct
26 Correct 3 ms 2764 KB Output is correct
27 Correct 3 ms 2764 KB Output is correct
28 Correct 3 ms 2772 KB Output is correct
29 Correct 3 ms 2764 KB Output is correct
30 Correct 3 ms 2764 KB Output is correct
31 Correct 3 ms 2764 KB Output is correct
32 Correct 3 ms 2764 KB Output is correct
33 Correct 3 ms 2764 KB Output is correct
34 Correct 3 ms 2764 KB Output is correct
35 Correct 3 ms 2764 KB Output is correct
36 Correct 4 ms 2764 KB Output is correct
37 Correct 3 ms 2764 KB Output is correct
38 Correct 4 ms 2752 KB Output is correct
39 Correct 3 ms 2764 KB Output is correct
40 Correct 3 ms 2764 KB Output is correct
41 Correct 3 ms 2764 KB Output is correct
42 Correct 3 ms 2764 KB Output is correct
43 Correct 4 ms 2764 KB Output is correct
44 Correct 3 ms 2764 KB Output is correct
45 Correct 3 ms 2764 KB Output is correct
46 Correct 3 ms 2764 KB Output is correct
47 Correct 3 ms 2764 KB Output is correct
48 Correct 3 ms 2764 KB Output is correct
49 Correct 3 ms 2764 KB Output is correct

Subtask #5
52.0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 588 KB Output is correct
13 Correct 1 ms 588 KB Output is correct
14 Correct 1 ms 588 KB Output is correct
15 Correct 1 ms 588 KB Output is correct
16 Correct 1 ms 588 KB Output is correct
17 Correct 1 ms 588 KB Output is correct
18 Correct 1 ms 580 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 588 KB Output is correct
21 Correct 3 ms 2764 KB Output is correct
22 Correct 3 ms 2764 KB Output is correct
23 Correct 3 ms 2764 KB Output is correct
24 Correct 3 ms 2764 KB Output is correct
25 Correct 3 ms 2764 KB Output is correct
26 Correct 3 ms 2764 KB Output is correct
27 Correct 3 ms 2764 KB Output is correct
28 Correct 3 ms 2772 KB Output is correct
29 Correct 3 ms 2764 KB Output is correct
30 Correct 3 ms 2764 KB Output is correct
31 Correct 3 ms 2764 KB Output is correct
32 Correct 3 ms 2764 KB Output is correct
33 Correct 3 ms 2764 KB Output is correct
34 Correct 3 ms 2764 KB Output is correct
35 Correct 3 ms 2764 KB Output is correct
36 Correct 4 ms 2764 KB Output is correct
37 Correct 3 ms 2764 KB Output is correct
38 Correct 4 ms 2752 KB Output is correct
39 Correct 3 ms 2764 KB Output is correct
40 Correct 3 ms 2764 KB Output is correct
41 Correct 3 ms 2764 KB Output is correct
42 Correct 3 ms 2764 KB Output is correct
43 Correct 4 ms 2764 KB Output is correct
44 Correct 3 ms 2764 KB Output is correct
45 Correct 3 ms 2764 KB Output is correct
46 Correct 3 ms 2764 KB Output is correct
47 Correct 3 ms 2764 KB Output is correct
48 Correct 3 ms 2764 KB Output is correct
49 Correct 3 ms 2764 KB Output is correct
50 Correct 217 ms 67268 KB Output is correct
51 Correct 217 ms 67220 KB Output is correct
52 Correct 229 ms 67208 KB Output is correct
53 Correct 216 ms 67404 KB Output is correct
54 Correct 210 ms 67268 KB Output is correct
55 Correct 212 ms 67316 KB Output is correct
56 Correct 249 ms 67284 KB Output is correct
57 Correct 249 ms 67204 KB Output is correct
58 Correct 241 ms 67268 KB Output is correct
59 Correct 237 ms 67316 KB Output is correct
60 Correct 232 ms 67252 KB Output is correct
61 Correct 205 ms 67296 KB Output is correct
62 Correct 204 ms 67420 KB Output is correct
63 Correct 194 ms 67268 KB Output is correct
64 Correct 197 ms 67312 KB Output is correct
65 Correct 207 ms 67224 KB Output is correct
66 Correct 199 ms 67268 KB Output is correct
67 Correct 188 ms 67320 KB Output is correct
68 Correct 182 ms 67268 KB Output is correct
69 Correct 192 ms 67300 KB Output is correct
70 Correct 231 ms 67316 KB Output is correct
71 Correct 230 ms 67244 KB Output is correct
72 Correct 223 ms 67296 KB Output is correct