Submission #1089883

# Submission time Handle Problem Language Result Execution time Memory
1089883 2024-09-17T11:07:23 Z KALARRY Tricks of the Trade (CEOI23_trade) C++14
15 / 100
1444 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 startv,int startj)
{
    queue<pair<int,int>> q;
    q.push({startv,startj});
    while(!q.empty())
    {
        int v = q.front().first;
        int j = q.front().second;
        q.pop();
        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;
            q.push({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:39:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |     scanf("%lld%lld",&N,&K);
      |     ~~~~~^~~~~~~~~~~~~~~~~~
trade.cpp:41:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |         scanf("%lld",&a[i]);
      |         ~~~~~^~~~~~~~~~~~~~
trade.cpp:43:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |         scanf("%lld",&b[i]);
      |         ~~~~~^~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 453 ms 1204048 KB Output is correct
2 Correct 433 ms 1203792 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 479 ms 1203988 KB Output is correct
2 Correct 473 ms 1203764 KB Output is correct
3 Correct 488 ms 1203796 KB Output is correct
4 Correct 473 ms 1204948 KB Output is correct
5 Correct 430 ms 1205528 KB Output is correct
6 Partially correct 427 ms 1204308 KB Partially correct
7 Partially correct 429 ms 1204480 KB Partially correct
8 Partially correct 451 ms 1204716 KB Partially correct
9 Partially correct 434 ms 1204560 KB Partially correct
10 Correct 439 ms 1204404 KB Output is correct
11 Partially correct 488 ms 1204380 KB Partially correct
# Verdict Execution time Memory Grader output
1 Correct 479 ms 1203988 KB Output is correct
2 Correct 473 ms 1203764 KB Output is correct
3 Correct 488 ms 1203796 KB Output is correct
4 Correct 473 ms 1204948 KB Output is correct
5 Correct 430 ms 1205528 KB Output is correct
6 Partially correct 427 ms 1204308 KB Partially correct
7 Partially correct 429 ms 1204480 KB Partially correct
8 Partially correct 451 ms 1204716 KB Partially correct
9 Partially correct 434 ms 1204560 KB Partially correct
10 Correct 439 ms 1204404 KB Output is correct
11 Partially correct 488 ms 1204380 KB Partially correct
12 Correct 465 ms 1203792 KB Output is correct
13 Correct 456 ms 1204012 KB Output is correct
14 Correct 461 ms 1203792 KB Output is correct
15 Correct 431 ms 1204828 KB Output is correct
16 Correct 432 ms 1205520 KB Output is correct
17 Partially correct 428 ms 1204304 KB Partially correct
18 Partially correct 427 ms 1204528 KB Partially correct
19 Partially correct 430 ms 1204648 KB Partially correct
20 Partially correct 430 ms 1204568 KB Partially correct
21 Correct 458 ms 1204816 KB Output is correct
22 Partially correct 469 ms 1204560 KB Partially correct
23 Partially correct 1444 ms 1551036 KB Partially correct
24 Partially correct 467 ms 1214924 KB Partially correct
25 Partially correct 699 ms 1305936 KB Partially correct
26 Partially correct 490 ms 1233232 KB Partially correct
27 Partially correct 1012 ms 1482580 KB Partially correct
28 Correct 458 ms 1214032 KB Output is correct
29 Partially correct 1024 ms 1387092 KB Partially correct
# Verdict Execution time Memory Grader output
1 Correct 489 ms 1203792 KB Output is correct
2 Correct 713 ms 1676272 KB Output is correct
3 Correct 602 ms 1628076 KB Output is correct
4 Correct 616 ms 1627960 KB Output is correct
5 Partially correct 655 ms 1653328 KB Partially correct
6 Partially correct 637 ms 1653328 KB Partially correct
7 Partially correct 620 ms 1626964 KB Partially correct
8 Correct 650 ms 1627984 KB Output is correct
9 Correct 659 ms 1626352 KB Output is correct
10 Correct 685 ms 1677496 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 489 ms 1203792 KB Output is correct
2 Correct 713 ms 1676272 KB Output is correct
3 Correct 602 ms 1628076 KB Output is correct
4 Correct 616 ms 1627960 KB Output is correct
5 Partially correct 655 ms 1653328 KB Partially correct
6 Partially correct 637 ms 1653328 KB Partially correct
7 Partially correct 620 ms 1626964 KB Partially correct
8 Correct 650 ms 1627984 KB Output is correct
9 Correct 659 ms 1626352 KB Output is correct
10 Correct 685 ms 1677496 KB Output is correct
11 Correct 427 ms 1203796 KB Output is correct
12 Correct 657 ms 1676104 KB Output is correct
13 Correct 627 ms 1627984 KB Output is correct
14 Correct 626 ms 1627984 KB Output is correct
15 Partially correct 692 ms 1652948 KB Partially correct
16 Partially correct 714 ms 1653352 KB Partially correct
17 Partially correct 670 ms 1627068 KB Partially correct
18 Correct 610 ms 1627800 KB Output is correct
19 Correct 606 ms 1626324 KB Output is correct
20 Correct 906 ms 1677392 KB Output is correct
21 Correct 434 ms 1204048 KB Output is correct
22 Correct 434 ms 1203796 KB Output is correct
23 Correct 490 ms 1204924 KB Output is correct
24 Correct 469 ms 1205584 KB Output is correct
25 Partially correct 469 ms 1204268 KB Partially correct
26 Partially correct 448 ms 1204660 KB Partially correct
27 Partially correct 433 ms 1204744 KB Partially correct
28 Partially correct 435 ms 1204604 KB Partially correct
29 Correct 436 ms 1204564 KB Output is correct
30 Partially correct 429 ms 1204560 KB Partially correct
31 Runtime error 1099 ms 2097152 KB Execution killed with signal 9
32 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 453 ms 1204048 KB Output is correct
2 Correct 433 ms 1203792 KB Output is correct
3 Correct 479 ms 1203988 KB Output is correct
4 Correct 473 ms 1203764 KB Output is correct
5 Correct 488 ms 1203796 KB Output is correct
6 Correct 473 ms 1204948 KB Output is correct
7 Correct 430 ms 1205528 KB Output is correct
8 Partially correct 427 ms 1204308 KB Partially correct
9 Partially correct 429 ms 1204480 KB Partially correct
10 Partially correct 451 ms 1204716 KB Partially correct
11 Partially correct 434 ms 1204560 KB Partially correct
12 Correct 439 ms 1204404 KB Output is correct
13 Partially correct 488 ms 1204380 KB Partially correct
14 Correct 465 ms 1203792 KB Output is correct
15 Correct 456 ms 1204012 KB Output is correct
16 Correct 461 ms 1203792 KB Output is correct
17 Correct 431 ms 1204828 KB Output is correct
18 Correct 432 ms 1205520 KB Output is correct
19 Partially correct 428 ms 1204304 KB Partially correct
20 Partially correct 427 ms 1204528 KB Partially correct
21 Partially correct 430 ms 1204648 KB Partially correct
22 Partially correct 430 ms 1204568 KB Partially correct
23 Correct 458 ms 1204816 KB Output is correct
24 Partially correct 469 ms 1204560 KB Partially correct
25 Partially correct 1444 ms 1551036 KB Partially correct
26 Partially correct 467 ms 1214924 KB Partially correct
27 Partially correct 699 ms 1305936 KB Partially correct
28 Partially correct 490 ms 1233232 KB Partially correct
29 Partially correct 1012 ms 1482580 KB Partially correct
30 Correct 458 ms 1214032 KB Output is correct
31 Partially correct 1024 ms 1387092 KB Partially correct
32 Correct 489 ms 1203792 KB Output is correct
33 Correct 713 ms 1676272 KB Output is correct
34 Correct 602 ms 1628076 KB Output is correct
35 Correct 616 ms 1627960 KB Output is correct
36 Partially correct 655 ms 1653328 KB Partially correct
37 Partially correct 637 ms 1653328 KB Partially correct
38 Partially correct 620 ms 1626964 KB Partially correct
39 Correct 650 ms 1627984 KB Output is correct
40 Correct 659 ms 1626352 KB Output is correct
41 Correct 685 ms 1677496 KB Output is correct
42 Correct 427 ms 1203796 KB Output is correct
43 Correct 657 ms 1676104 KB Output is correct
44 Correct 627 ms 1627984 KB Output is correct
45 Correct 626 ms 1627984 KB Output is correct
46 Partially correct 692 ms 1652948 KB Partially correct
47 Partially correct 714 ms 1653352 KB Partially correct
48 Partially correct 670 ms 1627068 KB Partially correct
49 Correct 610 ms 1627800 KB Output is correct
50 Correct 606 ms 1626324 KB Output is correct
51 Correct 906 ms 1677392 KB Output is correct
52 Correct 434 ms 1204048 KB Output is correct
53 Correct 434 ms 1203796 KB Output is correct
54 Correct 490 ms 1204924 KB Output is correct
55 Correct 469 ms 1205584 KB Output is correct
56 Partially correct 469 ms 1204268 KB Partially correct
57 Partially correct 448 ms 1204660 KB Partially correct
58 Partially correct 433 ms 1204744 KB Partially correct
59 Partially correct 435 ms 1204604 KB Partially correct
60 Correct 436 ms 1204564 KB Output is correct
61 Partially correct 429 ms 1204560 KB Partially correct
62 Runtime error 1099 ms 2097152 KB Execution killed with signal 9
63 Halted 0 ms 0 KB -