#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define ppb pop_back
#define ep insert
#define endl '\n'
#define elif else if
#define pow pwr
#define sqrt sqrtt
#define int long long
#define ll long long
typedef unsigned long long ull;
using namespace std;
const int N=3e5+5,K=205;
int dp[N][K],n,k,a[N],b[N];
bool vis[N][K],ans[N],viss[N][K];
int rec(int i,int j){
if (j==k) return 0;
if (j>k) return -1e15;
if (i>n) return -1e15;
if (vis[i][j]) return dp[i][j];
vis[i][j]=1;
if (j==0) return dp[i][j]=max(rec(i+1,j),rec(i+1,j+1)+b[i]-a[i]);
return dp[i][j]=max(rec(i+1,j)-a[i],rec(i+1,j+1)+b[i]-a[i]);
}
void getans(){
queue<pair<int,int>> q;
q.push({1,0});
viss[1][0]=1;
while (!q.empty()){
int i=q.front().F,j=q.front().S;
q.pop();
if (j==k) continue;
if (j==0){
if (rec(i+1,j)==dp[i][j] && !viss[i+1][j]){
q.push({i+1,j});
viss[i+1][j]=1;
}
if (rec(i+1,j+1)+b[i]-a[i]==dp[i][j]){
ans[i]=1;
if (!viss[i+1][j+1]){
q.push({i+1,j+1});
viss[i+1][j+1]=1;
}
}
}
else{
if (rec(i+1,j)-a[i]==dp[i][j] && !viss[i+1][j]){
q.push({i+1,j});
viss[i+1][j]=1;
}
if (rec(i+1,j+1)+b[i]-a[i]==dp[i][j]){
ans[i]=1;
if (!viss[i+1][j+1]){
q.push({i+1,j+1});
viss[i+1][j+1]=1;
}
}
}
}
return;
}
int32_t main(){
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
cin>>n>>k;
for (int i=1;i<=n;i++) cin>>a[i];
for (int i=1;i<=n;i++) cin>>b[i];
cout<<rec(1,0)<<endl;
getans();
for (int i=1;i<=n;i++) cout<<ans[i];cout<<endl;
return 0;
}
Compilation message
trade.cpp: In function 'int32_t main()':
trade.cpp:71:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
71 | for (int i=1;i<=n;i++) cout<<ans[i];cout<<endl;
| ^~~
trade.cpp:71:38: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
71 | for (int i=1;i<=n;i++) cout<<ans[i];cout<<endl;
| ^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
8540 KB |
Output is correct |
2 |
Correct |
1 ms |
8540 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
8796 KB |
Output is correct |
2 |
Correct |
1 ms |
8536 KB |
Output is correct |
3 |
Correct |
1 ms |
8540 KB |
Output is correct |
4 |
Correct |
1 ms |
8540 KB |
Output is correct |
5 |
Correct |
1 ms |
8540 KB |
Output is correct |
6 |
Correct |
1 ms |
8540 KB |
Output is correct |
7 |
Correct |
1 ms |
8540 KB |
Output is correct |
8 |
Correct |
2 ms |
8648 KB |
Output is correct |
9 |
Correct |
2 ms |
8536 KB |
Output is correct |
10 |
Correct |
1 ms |
8540 KB |
Output is correct |
11 |
Correct |
1 ms |
8540 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
8796 KB |
Output is correct |
2 |
Correct |
1 ms |
8536 KB |
Output is correct |
3 |
Correct |
1 ms |
8540 KB |
Output is correct |
4 |
Correct |
1 ms |
8540 KB |
Output is correct |
5 |
Correct |
1 ms |
8540 KB |
Output is correct |
6 |
Correct |
1 ms |
8540 KB |
Output is correct |
7 |
Correct |
1 ms |
8540 KB |
Output is correct |
8 |
Correct |
2 ms |
8648 KB |
Output is correct |
9 |
Correct |
2 ms |
8536 KB |
Output is correct |
10 |
Correct |
1 ms |
8540 KB |
Output is correct |
11 |
Correct |
1 ms |
8540 KB |
Output is correct |
12 |
Correct |
1 ms |
8540 KB |
Output is correct |
13 |
Correct |
2 ms |
8540 KB |
Output is correct |
14 |
Correct |
1 ms |
8536 KB |
Output is correct |
15 |
Correct |
2 ms |
8540 KB |
Output is correct |
16 |
Correct |
2 ms |
8660 KB |
Output is correct |
17 |
Correct |
1 ms |
8540 KB |
Output is correct |
18 |
Correct |
1 ms |
8540 KB |
Output is correct |
19 |
Correct |
1 ms |
8536 KB |
Output is correct |
20 |
Correct |
1 ms |
8540 KB |
Output is correct |
21 |
Correct |
1 ms |
8540 KB |
Output is correct |
22 |
Correct |
1 ms |
8536 KB |
Output is correct |
23 |
Incorrect |
15 ms |
18520 KB |
Output isn't correct |
24 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
8536 KB |
Output is correct |
2 |
Correct |
217 ms |
525928 KB |
Output is correct |
3 |
Correct |
217 ms |
481564 KB |
Output is correct |
4 |
Correct |
234 ms |
526676 KB |
Output is correct |
5 |
Correct |
235 ms |
526924 KB |
Output is correct |
6 |
Correct |
228 ms |
526676 KB |
Output is correct |
7 |
Correct |
231 ms |
526456 KB |
Output is correct |
8 |
Correct |
221 ms |
513872 KB |
Output is correct |
9 |
Correct |
206 ms |
501092 KB |
Output is correct |
10 |
Correct |
236 ms |
526300 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
8536 KB |
Output is correct |
2 |
Correct |
217 ms |
525928 KB |
Output is correct |
3 |
Correct |
217 ms |
481564 KB |
Output is correct |
4 |
Correct |
234 ms |
526676 KB |
Output is correct |
5 |
Correct |
235 ms |
526924 KB |
Output is correct |
6 |
Correct |
228 ms |
526676 KB |
Output is correct |
7 |
Correct |
231 ms |
526456 KB |
Output is correct |
8 |
Correct |
221 ms |
513872 KB |
Output is correct |
9 |
Correct |
206 ms |
501092 KB |
Output is correct |
10 |
Correct |
236 ms |
526300 KB |
Output is correct |
11 |
Correct |
1 ms |
8536 KB |
Output is correct |
12 |
Correct |
251 ms |
525904 KB |
Output is correct |
13 |
Correct |
192 ms |
481604 KB |
Output is correct |
14 |
Correct |
261 ms |
526740 KB |
Output is correct |
15 |
Correct |
228 ms |
526928 KB |
Output is correct |
16 |
Correct |
278 ms |
526712 KB |
Output is correct |
17 |
Correct |
241 ms |
526292 KB |
Output is correct |
18 |
Correct |
261 ms |
513876 KB |
Output is correct |
19 |
Correct |
202 ms |
501192 KB |
Output is correct |
20 |
Correct |
220 ms |
526412 KB |
Output is correct |
21 |
Correct |
2 ms |
8792 KB |
Output is correct |
22 |
Correct |
1 ms |
8540 KB |
Output is correct |
23 |
Correct |
2 ms |
8656 KB |
Output is correct |
24 |
Correct |
1 ms |
8540 KB |
Output is correct |
25 |
Correct |
1 ms |
8656 KB |
Output is correct |
26 |
Correct |
1 ms |
8540 KB |
Output is correct |
27 |
Correct |
1 ms |
8540 KB |
Output is correct |
28 |
Correct |
1 ms |
8540 KB |
Output is correct |
29 |
Correct |
2 ms |
8540 KB |
Output is correct |
30 |
Correct |
2 ms |
8540 KB |
Output is correct |
31 |
Correct |
1949 ms |
524636 KB |
Output is correct |
32 |
Correct |
262 ms |
527024 KB |
Output is correct |
33 |
Correct |
2218 ms |
526664 KB |
Output is correct |
34 |
Correct |
2340 ms |
526656 KB |
Output is correct |
35 |
Correct |
2112 ms |
526276 KB |
Output is correct |
36 |
Correct |
2188 ms |
526096 KB |
Output is correct |
37 |
Correct |
2275 ms |
525092 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
8540 KB |
Output is correct |
2 |
Correct |
1 ms |
8540 KB |
Output is correct |
3 |
Correct |
2 ms |
8796 KB |
Output is correct |
4 |
Correct |
1 ms |
8536 KB |
Output is correct |
5 |
Correct |
1 ms |
8540 KB |
Output is correct |
6 |
Correct |
1 ms |
8540 KB |
Output is correct |
7 |
Correct |
1 ms |
8540 KB |
Output is correct |
8 |
Correct |
1 ms |
8540 KB |
Output is correct |
9 |
Correct |
1 ms |
8540 KB |
Output is correct |
10 |
Correct |
2 ms |
8648 KB |
Output is correct |
11 |
Correct |
2 ms |
8536 KB |
Output is correct |
12 |
Correct |
1 ms |
8540 KB |
Output is correct |
13 |
Correct |
1 ms |
8540 KB |
Output is correct |
14 |
Correct |
1 ms |
8540 KB |
Output is correct |
15 |
Correct |
2 ms |
8540 KB |
Output is correct |
16 |
Correct |
1 ms |
8536 KB |
Output is correct |
17 |
Correct |
2 ms |
8540 KB |
Output is correct |
18 |
Correct |
2 ms |
8660 KB |
Output is correct |
19 |
Correct |
1 ms |
8540 KB |
Output is correct |
20 |
Correct |
1 ms |
8540 KB |
Output is correct |
21 |
Correct |
1 ms |
8536 KB |
Output is correct |
22 |
Correct |
1 ms |
8540 KB |
Output is correct |
23 |
Correct |
1 ms |
8540 KB |
Output is correct |
24 |
Correct |
1 ms |
8536 KB |
Output is correct |
25 |
Incorrect |
15 ms |
18520 KB |
Output isn't correct |
26 |
Halted |
0 ms |
0 KB |
- |