oj.uz

Submission #1071849

# Submission time Handle Problem Language Result Execution time Memory
1071849 2024-08-23T11:50:24 Z edogawa_something Tricks of the Trade (CEOI23_trade) C++17
10 / 100
 513 ms 760 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vii;
typedef pair<ll,ll> pii;
#define F first
#define S second
#define all(v) v.begin(),v.end()
#define pb push_back
const ll M=6e3+10;
const ll inf=2e18;
ll n,k,a[M],b[M],c[M];
int main() {
    ios_base::sync_with_stdio(0),cin.tie(0);
    cin>>n>>k;
    for(int i=0;i<n;i++)
        cin>>a[i];
    for(int i=0;i<n;i++)
        cin>>b[i];
    ll ans=-inf;
    ll l,r;
    for(int i=0;i<n;i++) {
        ll nsum=0,psum=0;
        priority_queue<ll,vii,greater<ll>>q;
        for(int j=i;j<n;j++) {
            nsum+=a[j];
            if(q.size()<k)
                q.push(b[j]),psum+=b[j];
            else {
                if(b[j]<q.top())
                    continue;
                else
                    psum-=q.top(),q.pop(),q.push(b[j]),psum+=b[j];
            }
            if(q.size()==k) {
                if(ans<psum-nsum) {
                    ans=max(ans,psum-nsum);
                    l=i,r=j;
                }
            }
        }
    }
    ll cur=0;
    ans=0;
    for(int i=l;i<=r;i++)
        ans-=a[i];
    for(int j=0;j<k;j++) {
        cur=0;
        ll ind=0;
        for(int i=l;i<=r;i++) {
            if(b[i]>=cur)
            cur=b[i],ind=i;
        }
        ans+=b[ind],b[ind]=-1;
    }
    cout<<ans<<'\n';
    for(int i=0;i<n;i++) {
        if(b[i]==-1)
            cout<<1;
        else
            cout<<0;
    }
    return 0;
}

Compilation message

trade.cpp: In function 'int main()':
trade.cpp:27:24: warning: comparison of integer expressions of different signedness: 'std::priority_queue<long long int, std::vector<long long int>, std::greater<long long int> >::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   27 |             if(q.size()<k)
      |                ~~~~~~~~^~
trade.cpp:35:24: warning: comparison of integer expressions of different signedness: 'std::priority_queue<long long int, std::vector<long long int>, std::greater<long long int> >::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   35 |             if(q.size()==k) {
      |                ~~~~~~~~^~~
trade.cpp:21:10: warning: 'r' may be used uninitialized in this function [-Wmaybe-uninitialized]
   21 |     ll l,r;
      |          ^
trade.cpp:45:13: warning: 'l' may be used uninitialized in this function [-Wmaybe-uninitialized]
   45 |     for(int i=l;i<=r;i++)
      |             ^

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Partially correct 1 ms 348 KB Partially correct

Subtask #1
5.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Partially correct 0 ms 464 KB Partially correct
3 Partially correct 0 ms 348 KB Partially correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 0 ms 456 KB Output is correct
6 Partially correct 1 ms 344 KB Partially correct
7 Partially correct 1 ms 348 KB Partially correct
8 Partially correct 0 ms 348 KB Partially correct
9 Partially correct 1 ms 344 KB Partially correct
10 Correct 1 ms 344 KB Output is correct
11 Partially correct 1 ms 348 KB Partially correct

Subtask #2
5.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Partially correct 0 ms 464 KB Partially correct
3 Partially correct 0 ms 348 KB Partially correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 0 ms 456 KB Output is correct
6 Partially correct 1 ms 344 KB Partially correct
7 Partially correct 1 ms 348 KB Partially correct
8 Partially correct 0 ms 348 KB Partially correct
9 Partially correct 1 ms 344 KB Partially correct
10 Correct 1 ms 344 KB Output is correct
11 Partially correct 1 ms 348 KB Partially correct
12 Correct 0 ms 344 KB Output is correct
13 Partially correct 0 ms 348 KB Partially correct
14 Partially correct 0 ms 348 KB Partially correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Partially correct 0 ms 348 KB Partially correct
18 Partially correct 1 ms 348 KB Partially correct
19 Partially correct 0 ms 348 KB Partially correct
20 Partially correct 1 ms 760 KB Partially correct
21 Correct 1 ms 348 KB Output is correct
22 Partially correct 1 ms 348 KB Partially correct
23 Correct 360 ms 724 KB Output is correct
24 Partially correct 44 ms 604 KB Partially correct
25 Partially correct 513 ms 600 KB Partially correct
26 Partially correct 361 ms 604 KB Partially correct
27 Partially correct 230 ms 600 KB Partially correct
28 Correct 32 ms 348 KB Output is correct
29 Correct 470 ms 652 KB Output is correct

Subtask #3
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB Partially correct
2 Runtime error 1 ms 732 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB Partially correct
2 Runtime error 1 ms 732 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #5
0.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Partially correct 1 ms 348 KB Partially correct
3 Correct 0 ms 348 KB Output is correct
4 Partially correct 0 ms 464 KB Partially correct
5 Partially correct 0 ms 348 KB Partially correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 0 ms 456 KB Output is correct
8 Partially correct 1 ms 344 KB Partially correct
9 Partially correct 1 ms 348 KB Partially correct
10 Partially correct 0 ms 348 KB Partially correct
11 Partially correct 1 ms 344 KB Partially correct
12 Correct 1 ms 344 KB Output is correct
13 Partially correct 1 ms 348 KB Partially correct
14 Correct 0 ms 344 KB Output is correct
15 Partially correct 0 ms 348 KB Partially correct
16 Partially correct 0 ms 348 KB Partially correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Partially correct 0 ms 348 KB Partially correct
20 Partially correct 1 ms 348 KB Partially correct
21 Partially correct 0 ms 348 KB Partially correct
22 Partially correct 1 ms 760 KB Partially correct
23 Correct 1 ms 348 KB Output is correct
24 Partially correct 1 ms 348 KB Partially correct
25 Correct 360 ms 724 KB Output is correct
26 Partially correct 44 ms 604 KB Partially correct
27 Partially correct 513 ms 600 KB Partially correct
28 Partially correct 361 ms 604 KB Partially correct
29 Partially correct 230 ms 600 KB Partially correct
30 Correct 32 ms 348 KB Output is correct
31 Correct 470 ms 652 KB Output is correct
32 Partially correct 0 ms 348 KB Partially correct
33 Runtime error 1 ms 732 KB Execution killed with signal 11
34 Halted 0 ms 0 KB -