Submission #1071871

# Submission time Handle Problem Language Result Execution time Memory
1071871 2024-08-23T12:01:37 Z edogawa_something Tricks of the Trade (CEOI23_trade) C++17
10 / 100
1123 ms 162716 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];
vii psh[M],pp[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;
                }
            }
        }
    }
    cout<<ans<<'\n';
    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) {
                    psh[l].pb(q.top());
                    pp[r].pb(q.top());
                }
            }
        }
    }
    multiset<ll>s;
    for(int i=0;i<n;i++) {
        for(auto it:psh[i])
            s.insert(it);
        if(s.size()>0&&b[i]>=*s.begin())
            cout<<1;
        else
            cout<<0;
        for(auto it:pp[i])
            s.erase(s.find(it));
    }
    return 0;
}

Compilation message

trade.cpp: In function 'int main()':
trade.cpp:28:24: 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]
   28 |             if(q.size()<k)
      |                ~~~~~~~~^~
trade.cpp:36:24: 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]
   36 |             if(q.size()==k) {
      |                ~~~~~~~~^~~
trade.cpp:50:24: 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]
   50 |             if(q.size()<k)
      |                ~~~~~~~~^~
trade.cpp:58:24: 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]
   58 |             if(q.size()==k) {
      |                ~~~~~~~~^~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 604 KB Output is correct
2 Partially correct 1 ms 604 KB Partially correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Partially correct 1 ms 604 KB Partially correct
3 Partially correct 1 ms 604 KB Partially correct
4 Correct 2 ms 600 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Partially correct 1 ms 600 KB Partially correct
7 Partially correct 2 ms 604 KB Partially correct
8 Partially correct 1 ms 860 KB Partially correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Partially correct 1 ms 604 KB Partially correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Partially correct 1 ms 604 KB Partially correct
3 Partially correct 1 ms 604 KB Partially correct
4 Correct 2 ms 600 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Partially correct 1 ms 600 KB Partially correct
7 Partially correct 2 ms 604 KB Partially correct
8 Partially correct 1 ms 860 KB Partially correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Partially correct 1 ms 604 KB Partially correct
12 Correct 1 ms 600 KB Output is correct
13 Partially correct 1 ms 604 KB Partially correct
14 Partially correct 1 ms 604 KB Partially correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 2 ms 600 KB Output is correct
17 Partially correct 0 ms 604 KB Partially correct
18 Partially correct 1 ms 604 KB Partially correct
19 Partially correct 2 ms 860 KB Partially correct
20 Correct 2 ms 604 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Partially correct 2 ms 600 KB Partially correct
23 Correct 619 ms 932 KB Output is correct
24 Partially correct 83 ms 856 KB Partially correct
25 Partially correct 1123 ms 844 KB Partially correct
26 Partially correct 760 ms 852 KB Partially correct
27 Partially correct 1112 ms 162716 KB Partially correct
28 Correct 70 ms 820 KB Output is correct
29 Correct 1045 ms 880 KB Output is correct
# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 604 KB Partially correct
2 Incorrect 1 ms 604 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 604 KB Partially correct
2 Incorrect 1 ms 604 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 604 KB Output is correct
2 Partially correct 1 ms 604 KB Partially correct
3 Correct 1 ms 604 KB Output is correct
4 Partially correct 1 ms 604 KB Partially correct
5 Partially correct 1 ms 604 KB Partially correct
6 Correct 2 ms 600 KB Output is correct
7 Correct 2 ms 604 KB Output is correct
8 Partially correct 1 ms 600 KB Partially correct
9 Partially correct 2 ms 604 KB Partially correct
10 Partially correct 1 ms 860 KB Partially correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Partially correct 1 ms 604 KB Partially correct
14 Correct 1 ms 600 KB Output is correct
15 Partially correct 1 ms 604 KB Partially correct
16 Partially correct 1 ms 604 KB Partially correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 2 ms 600 KB Output is correct
19 Partially correct 0 ms 604 KB Partially correct
20 Partially correct 1 ms 604 KB Partially correct
21 Partially correct 2 ms 860 KB Partially correct
22 Correct 2 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Partially correct 2 ms 600 KB Partially correct
25 Correct 619 ms 932 KB Output is correct
26 Partially correct 83 ms 856 KB Partially correct
27 Partially correct 1123 ms 844 KB Partially correct
28 Partially correct 760 ms 852 KB Partially correct
29 Partially correct 1112 ms 162716 KB Partially correct
30 Correct 70 ms 820 KB Output is correct
31 Correct 1045 ms 880 KB Output is correct
32 Partially correct 1 ms 604 KB Partially correct
33 Incorrect 1 ms 604 KB Output isn't correct
34 Halted 0 ms 0 KB -