oj.uz

Submission #405583

# Submission time Handle Problem Language Result Execution time Memory
405583 2021-05-16T14:51:41 Z sad Cigle (COI21_cigle) C++14
48 / 100
 1000 ms 63436 KB 
#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define pb push_back
using namespace std;
int n;const int N=5100,M=500*5009;
pair<int,int>dp[N][N];int a[N],prf[M];
pair<int,int>mxdp[N][N];
int main()
{ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin>>n;int ans=0;int rw=0;
    for(int i=1;i<n+1;i++)cin>>a[i];
    for(int m=1;m<=n;m++)
    {
        memset(prf,-1,sizeof prf);
        int re=0;
        for(int i=m;i>0;i--)
        {
            re+=a[i];
            prf[re]=i;
        }
        re=0;
        dp[m][m]={0,n+1};
        mxdp[m][1]={dp[m][1].fi,1};
        for(int i=2;i<m;i++)
        {

            if(dp[m][i].fi>mxdp[m][i-1].fi)
            {
                mxdp[m][i]={dp[m][i].fi,i};continue;
            }
            mxdp[m][i]=mxdp[m][i-1];
        }
        dp[m+1][m]=mxdp[m][m-1];ans=max(ans,dp[m+1][m].fi);
        rw=0;
        for(int r=m+2;r<n+1;r++)
        {re+=a[r-1];
            if(prf[re]!=-1)rw++;
            int last=dp[r-1][m].se;
            int mx=dp[r-1][m].fi;
            if(prf[re]==-1||prf[re]-2<0)
            {
                dp[r][m]=dp[r-1][m];
                ans=max(ans,mx);continue;
            }
            pair<int,int>z=mxdp[m][prf[re]-2];
            z.fi+=rw;
            if(z.fi>mx)
            {
                dp[r][m]=z;
                ans=max(ans,z.fi);continue;
            }
            dp[r][m]=dp[r-1][m];
            ans=max(ans,mx);
            continue;
        }
    }
    cout<<ans;

}
/*
10
2 3 2 1 1 5 5 2 5 1
*/

Compilation message

cigle.cpp: In function 'int main()':
cigle.cpp:40:17: warning: unused variable 'last' [-Wunused-variable]
   40 |             int last=dp[r-1][m].se;
      |                 ^~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 10188 KB Output is correct
2 Correct 28 ms 10188 KB Output is correct
3 Correct 25 ms 10260 KB Output is correct
4 Correct 27 ms 10188 KB Output is correct
5 Correct 24 ms 10240 KB Output is correct
6 Correct 24 ms 10248 KB Output is correct
7 Correct 27 ms 10256 KB Output is correct
8 Correct 28 ms 10276 KB Output is correct
9 Correct 28 ms 10188 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 10188 KB Output is correct
2 Correct 28 ms 10188 KB Output is correct
3 Correct 25 ms 10260 KB Output is correct
4 Correct 27 ms 10188 KB Output is correct
5 Correct 24 ms 10240 KB Output is correct
6 Correct 24 ms 10248 KB Output is correct
7 Correct 27 ms 10256 KB Output is correct
8 Correct 28 ms 10276 KB Output is correct
9 Correct 28 ms 10188 KB Output is correct
10 Correct 104 ms 10764 KB Output is correct
11 Correct 94 ms 10796 KB Output is correct
12 Correct 103 ms 10836 KB Output is correct
13 Correct 107 ms 10776 KB Output is correct
14 Correct 105 ms 10876 KB Output is correct
15 Correct 98 ms 10820 KB Output is correct
16 Correct 98 ms 10764 KB Output is correct
17 Correct 90 ms 10816 KB Output is correct
18 Correct 97 ms 10772 KB Output is correct
19 Correct 92 ms 10820 KB Output is correct
20 Correct 98 ms 10768 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 607 ms 16132 KB Output is correct
2 Correct 607 ms 16068 KB Output is correct
3 Correct 567 ms 16068 KB Output is correct
4 Correct 565 ms 16060 KB Output is correct
5 Correct 508 ms 16100 KB Output is correct
6 Correct 582 ms 16116 KB Output is correct
7 Correct 570 ms 16132 KB Output is correct
8 Correct 543 ms 16008 KB Output is correct
9 Correct 543 ms 16092 KB Output is correct
10 Correct 576 ms 16272 KB Output is correct
11 Correct 545 ms 16128 KB Output is correct
12 Correct 577 ms 16068 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 10188 KB Output is correct
2 Correct 28 ms 10188 KB Output is correct
3 Correct 25 ms 10260 KB Output is correct
4 Correct 27 ms 10188 KB Output is correct
5 Correct 24 ms 10240 KB Output is correct
6 Correct 24 ms 10248 KB Output is correct
7 Correct 27 ms 10256 KB Output is correct
8 Correct 28 ms 10276 KB Output is correct
9 Correct 28 ms 10188 KB Output is correct
10 Correct 104 ms 10764 KB Output is correct
11 Correct 94 ms 10796 KB Output is correct
12 Correct 103 ms 10836 KB Output is correct
13 Correct 107 ms 10776 KB Output is correct
14 Correct 105 ms 10876 KB Output is correct
15 Correct 98 ms 10820 KB Output is correct
16 Correct 98 ms 10764 KB Output is correct
17 Correct 90 ms 10816 KB Output is correct
18 Correct 97 ms 10772 KB Output is correct
19 Correct 92 ms 10820 KB Output is correct
20 Correct 98 ms 10768 KB Output is correct
21 Correct 607 ms 16132 KB Output is correct
22 Correct 607 ms 16068 KB Output is correct
23 Correct 567 ms 16068 KB Output is correct
24 Correct 565 ms 16060 KB Output is correct
25 Correct 508 ms 16100 KB Output is correct
26 Correct 582 ms 16116 KB Output is correct
27 Correct 570 ms 16132 KB Output is correct
28 Correct 543 ms 16008 KB Output is correct
29 Correct 543 ms 16092 KB Output is correct
30 Correct 576 ms 16272 KB Output is correct
31 Correct 545 ms 16128 KB Output is correct
32 Correct 577 ms 16068 KB Output is correct
33 Correct 612 ms 16076 KB Output is correct
34 Correct 555 ms 16020 KB Output is correct
35 Correct 575 ms 16068 KB Output is correct
36 Correct 584 ms 16024 KB Output is correct
37 Correct 541 ms 16020 KB Output is correct
38 Correct 566 ms 16052 KB Output is correct
39 Correct 536 ms 16068 KB Output is correct
40 Correct 552 ms 16076 KB Output is correct
41 Correct 569 ms 16292 KB Output is correct
42 Correct 601 ms 16112 KB Output is correct
43 Correct 567 ms 16220 KB Output is correct
44 Correct 578 ms 16040 KB Output is correct
45 Correct 547 ms 16124 KB Output is correct
46 Correct 573 ms 16068 KB Output is correct
47 Correct 579 ms 16048 KB Output is correct
48 Correct 533 ms 16132 KB Output is correct
49 Correct 541 ms 16044 KB Output is correct

Subtask #5
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 10188 KB Output is correct
2 Correct 28 ms 10188 KB Output is correct
3 Correct 25 ms 10260 KB Output is correct
4 Correct 27 ms 10188 KB Output is correct
5 Correct 24 ms 10240 KB Output is correct
6 Correct 24 ms 10248 KB Output is correct
7 Correct 27 ms 10256 KB Output is correct
8 Correct 28 ms 10276 KB Output is correct
9 Correct 28 ms 10188 KB Output is correct
10 Correct 104 ms 10764 KB Output is correct
11 Correct 94 ms 10796 KB Output is correct
12 Correct 103 ms 10836 KB Output is correct
13 Correct 107 ms 10776 KB Output is correct
14 Correct 105 ms 10876 KB Output is correct
15 Correct 98 ms 10820 KB Output is correct
16 Correct 98 ms 10764 KB Output is correct
17 Correct 90 ms 10816 KB Output is correct
18 Correct 97 ms 10772 KB Output is correct
19 Correct 92 ms 10820 KB Output is correct
20 Correct 98 ms 10768 KB Output is correct
21 Correct 607 ms 16132 KB Output is correct
22 Correct 607 ms 16068 KB Output is correct
23 Correct 567 ms 16068 KB Output is correct
24 Correct 565 ms 16060 KB Output is correct
25 Correct 508 ms 16100 KB Output is correct
26 Correct 582 ms 16116 KB Output is correct
27 Correct 570 ms 16132 KB Output is correct
28 Correct 543 ms 16008 KB Output is correct
29 Correct 543 ms 16092 KB Output is correct
30 Correct 576 ms 16272 KB Output is correct
31 Correct 545 ms 16128 KB Output is correct
32 Correct 577 ms 16068 KB Output is correct
33 Correct 612 ms 16076 KB Output is correct
34 Correct 555 ms 16020 KB Output is correct
35 Correct 575 ms 16068 KB Output is correct
36 Correct 584 ms 16024 KB Output is correct
37 Correct 541 ms 16020 KB Output is correct
38 Correct 566 ms 16052 KB Output is correct
39 Correct 536 ms 16068 KB Output is correct
40 Correct 552 ms 16076 KB Output is correct
41 Correct 569 ms 16292 KB Output is correct
42 Correct 601 ms 16112 KB Output is correct
43 Correct 567 ms 16220 KB Output is correct
44 Correct 578 ms 16040 KB Output is correct
45 Correct 547 ms 16124 KB Output is correct
46 Correct 573 ms 16068 KB Output is correct
47 Correct 579 ms 16048 KB Output is correct
48 Correct 533 ms 16132 KB Output is correct
49 Correct 541 ms 16044 KB Output is correct
50 Execution timed out 1093 ms 63436 KB Time limit exceeded
51 Halted 0 ms 0 KB -