oj.uz

Submission #1089880

# Submission time Handle Problem Language Result Execution time Memory
1089880 2024-09-17T11:00:41 Z KALARRY Tricks of the Trade (CEOI23_trade) C++14
25 / 100
 1480 ms 2097152 KB 
//chockolateman
    
#include<bits/stdc++.h>
    
using namespace std;
    
long long N,K,a[250005],b[250005],dp[250005][205];
vector<pair<int,int>> adj[250005][205];   
bool visited[250005][205];
bool used[250005];

void dfs(int v,int j)
{
    if(visited[v][j])
        return;
    visited[v][j] = true;
    if(j==0)
        return;
    for(auto e : adj[v][j])
    {
        int u = e.first;
        int newj = e.second;
        if(newj==(j-1))
            used[v] = true;
        dfs(u,newj);
    }
}

int main()
{
    scanf("%lld%lld",&N,&K);
    for(long long i = 1 ; i <= N ; i++)
        scanf("%lld",&a[i]);
    for(long long i = 1 ; i <= N ; i++)
        scanf("%lld",&b[i]);
    for(long long j = 1 ; j <= K ; j++)
    {
        dp[0][j%2] = -1e15;
        for(long long i = 1 ; i <= N ; i++)
        {
            dp[i][j%2] = max(dp[i-1][j%2] - a[i],dp[i-1][(j-1)%2] + b[i] - a[i]);
            if(dp[i][j%2]==dp[i-1][j%2] - a[i])
                adj[i][j].push_back({i-1,j});
            if(dp[i][j%2] == dp[i-1][(j-1)%2] + b[i] - a[i])
                adj[i][j].push_back({i-1,j-1});
        }
    }
    long long ans = -1e15;
    for(long long i = 1 ; i <= N ; i++)
        ans = max(ans,dp[i][K%2]);
    for(long long i = 1 ; i <= N ; i++)
        if(dp[i][K%2]==ans)
            dfs(i,K);
    printf("%lld\n",ans);
    for(int i = 1 ; i <= N ; i++)
        printf("%d",used[i]);
    return 0;
}

Compilation message

trade.cpp: In function 'int main()':
trade.cpp:31:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |     scanf("%lld%lld",&N,&K);
      |     ~~~~~^~~~~~~~~~~~~~~~~~
trade.cpp:33:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |         scanf("%lld",&a[i]);
      |         ~~~~~^~~~~~~~~~~~~~
trade.cpp:35:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |         scanf("%lld",&b[i]);
      |         ~~~~~^~~~~~~~~~~~~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 465 ms 1204012 KB Output is correct
2 Correct 476 ms 1203820 KB Output is correct

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 469 ms 1203792 KB Output is correct
2 Correct 455 ms 1203792 KB Output is correct
3 Correct 452 ms 1203884 KB Output is correct
4 Correct 520 ms 1204856 KB Output is correct
5 Correct 469 ms 1205444 KB Output is correct
6 Correct 461 ms 1204304 KB Output is correct
7 Correct 467 ms 1204524 KB Output is correct
8 Correct 476 ms 1204816 KB Output is correct
9 Correct 485 ms 1205016 KB Output is correct
10 Correct 471 ms 1204564 KB Output is correct
11 Correct 480 ms 1204564 KB Output is correct

Subtask #2
5.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 469 ms 1203792 KB Output is correct
2 Correct 455 ms 1203792 KB Output is correct
3 Correct 452 ms 1203884 KB Output is correct
4 Correct 520 ms 1204856 KB Output is correct
5 Correct 469 ms 1205444 KB Output is correct
6 Correct 461 ms 1204304 KB Output is correct
7 Correct 467 ms 1204524 KB Output is correct
8 Correct 476 ms 1204816 KB Output is correct
9 Correct 485 ms 1205016 KB Output is correct
10 Correct 471 ms 1204564 KB Output is correct
11 Correct 480 ms 1204564 KB Output is correct
12 Correct 462 ms 1204004 KB Output is correct
13 Correct 444 ms 1203792 KB Output is correct
14 Correct 453 ms 1204188 KB Output is correct
15 Correct 470 ms 1204820 KB Output is correct
16 Correct 461 ms 1205588 KB Output is correct
17 Correct 420 ms 1204308 KB Output is correct
18 Correct 416 ms 1204560 KB Output is correct
19 Correct 426 ms 1204820 KB Output is correct
20 Correct 444 ms 1204544 KB Output is correct
21 Correct 460 ms 1204552 KB Output is correct
22 Correct 458 ms 1204564 KB Output is correct
23 Partially correct 1480 ms 1551100 KB Partially correct
24 Correct 477 ms 1215568 KB Output is correct
25 Partially correct 843 ms 1306816 KB Partially correct
26 Correct 511 ms 1233752 KB Output is correct
27 Partially correct 1249 ms 1483348 KB Partially correct
28 Correct 483 ms 1214000 KB Output is correct
29 Partially correct 1123 ms 1387856 KB Partially correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 481 ms 1203992 KB Output is correct
2 Correct 701 ms 1676208 KB Output is correct
3 Correct 691 ms 1627984 KB Output is correct
4 Correct 677 ms 1627908 KB Output is correct
5 Correct 726 ms 1679416 KB Output is correct
6 Correct 707 ms 1677904 KB Output is correct
7 Correct 718 ms 1689172 KB Output is correct
8 Correct 677 ms 1627988 KB Output is correct
9 Correct 742 ms 1626452 KB Output is correct
10 Correct 733 ms 1677408 KB Output is correct

Subtask #4
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 481 ms 1203992 KB Output is correct
2 Correct 701 ms 1676208 KB Output is correct
3 Correct 691 ms 1627984 KB Output is correct
4 Correct 677 ms 1627908 KB Output is correct
5 Correct 726 ms 1679416 KB Output is correct
6 Correct 707 ms 1677904 KB Output is correct
7 Correct 718 ms 1689172 KB Output is correct
8 Correct 677 ms 1627988 KB Output is correct
9 Correct 742 ms 1626452 KB Output is correct
10 Correct 733 ms 1677408 KB Output is correct
11 Correct 469 ms 1204000 KB Output is correct
12 Correct 714 ms 1676112 KB Output is correct
13 Correct 695 ms 1627988 KB Output is correct
14 Correct 663 ms 1627992 KB Output is correct
15 Correct 778 ms 1679444 KB Output is correct
16 Correct 737 ms 1677832 KB Output is correct
17 Correct 888 ms 1689084 KB Output is correct
18 Correct 693 ms 1627816 KB Output is correct
19 Correct 689 ms 1626460 KB Output is correct
20 Correct 735 ms 1677376 KB Output is correct
21 Correct 431 ms 1203796 KB Output is correct
22 Correct 421 ms 1203796 KB Output is correct
23 Correct 423 ms 1204816 KB Output is correct
24 Correct 422 ms 1205588 KB Output is correct
25 Correct 426 ms 1204308 KB Output is correct
26 Correct 450 ms 1204472 KB Output is correct
27 Correct 463 ms 1204740 KB Output is correct
28 Correct 471 ms 1204744 KB Output is correct
29 Correct 467 ms 1204584 KB Output is correct
30 Correct 461 ms 1204604 KB Output is correct
31 Runtime error 1181 ms 2097152 KB Execution killed with signal 9
32 Halted 0 ms 0 KB -

Subtask #5
0.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 465 ms 1204012 KB Output is correct
2 Correct 476 ms 1203820 KB Output is correct
3 Correct 469 ms 1203792 KB Output is correct
4 Correct 455 ms 1203792 KB Output is correct
5 Correct 452 ms 1203884 KB Output is correct
6 Correct 520 ms 1204856 KB Output is correct
7 Correct 469 ms 1205444 KB Output is correct
8 Correct 461 ms 1204304 KB Output is correct
9 Correct 467 ms 1204524 KB Output is correct
10 Correct 476 ms 1204816 KB Output is correct
11 Correct 485 ms 1205016 KB Output is correct
12 Correct 471 ms 1204564 KB Output is correct
13 Correct 480 ms 1204564 KB Output is correct
14 Correct 462 ms 1204004 KB Output is correct
15 Correct 444 ms 1203792 KB Output is correct
16 Correct 453 ms 1204188 KB Output is correct
17 Correct 470 ms 1204820 KB Output is correct
18 Correct 461 ms 1205588 KB Output is correct
19 Correct 420 ms 1204308 KB Output is correct
20 Correct 416 ms 1204560 KB Output is correct
21 Correct 426 ms 1204820 KB Output is correct
22 Correct 444 ms 1204544 KB Output is correct
23 Correct 460 ms 1204552 KB Output is correct
24 Correct 458 ms 1204564 KB Output is correct
25 Partially correct 1480 ms 1551100 KB Partially correct
26 Correct 477 ms 1215568 KB Output is correct
27 Partially correct 843 ms 1306816 KB Partially correct
28 Correct 511 ms 1233752 KB Output is correct
29 Partially correct 1249 ms 1483348 KB Partially correct
30 Correct 483 ms 1214000 KB Output is correct
31 Partially correct 1123 ms 1387856 KB Partially correct
32 Correct 481 ms 1203992 KB Output is correct
33 Correct 701 ms 1676208 KB Output is correct
34 Correct 691 ms 1627984 KB Output is correct
35 Correct 677 ms 1627908 KB Output is correct
36 Correct 726 ms 1679416 KB Output is correct
37 Correct 707 ms 1677904 KB Output is correct
38 Correct 718 ms 1689172 KB Output is correct
39 Correct 677 ms 1627988 KB Output is correct
40 Correct 742 ms 1626452 KB Output is correct
41 Correct 733 ms 1677408 KB Output is correct
42 Correct 469 ms 1204000 KB Output is correct
43 Correct 714 ms 1676112 KB Output is correct
44 Correct 695 ms 1627988 KB Output is correct
45 Correct 663 ms 1627992 KB Output is correct
46 Correct 778 ms 1679444 KB Output is correct
47 Correct 737 ms 1677832 KB Output is correct
48 Correct 888 ms 1689084 KB Output is correct
49 Correct 693 ms 1627816 KB Output is correct
50 Correct 689 ms 1626460 KB Output is correct
51 Correct 735 ms 1677376 KB Output is correct
52 Correct 431 ms 1203796 KB Output is correct
53 Correct 421 ms 1203796 KB Output is correct
54 Correct 423 ms 1204816 KB Output is correct
55 Correct 422 ms 1205588 KB Output is correct
56 Correct 426 ms 1204308 KB Output is correct
57 Correct 450 ms 1204472 KB Output is correct
58 Correct 463 ms 1204740 KB Output is correct
59 Correct 471 ms 1204744 KB Output is correct
60 Correct 467 ms 1204584 KB Output is correct
61 Correct 461 ms 1204604 KB Output is correct
62 Runtime error 1181 ms 2097152 KB Execution killed with signal 9
63 Halted 0 ms 0 KB -