oj.uz

Submission #1064521

# Submission time Handle Problem Language Result Execution time Memory
1064521 2024-08-18T13:51:27 Z beaconmc Tricks of the Trade (CEOI23_trade) C++14
5 / 100
 8000 ms 5212 KB 
#include <bits/stdc++.h>
 
typedef long long ll;
#define FOR(i,x,y) for(ll i=x; i<y; i++)
#define FORNEG(i,x,y) for(ll i=x; i>y; i--)
 
using namespace std;



int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	ll n,k;
	cin >> n >> k;
	vector<ll> price(n), sell(n);
	FOR(i,0,n) cin >> price[i];
	FOR(i,0,n) cin >> sell[i];
	ll ans = -1000000000000000;
	FOR(i,0,n){
		set<array<ll,2>> stuff;
		ll sum = 0;
		ll cost = 0;
		FOR(j,i,n){
			cost += price[j];
			sum += sell[j];

			stuff.insert({sell[j], j});
			if (stuff.size() > k){
				auto it = stuff.begin();
				sum -= (*it)[0];
				stuff.erase(it);
			}

			if (stuff.size()==k) ans = max(ans, sum-cost);
		}
	}

	cout << ans << "\n";

	vector<ll> used(n);

	FOR(i,0,n){
		
		set<array<ll,2>> stuff;
		
		ll sum = 0;
		ll cost = 0;
		FOR(j,i,n){
			cost += price[j];
			sum += sell[j];

			stuff.insert({sell[j], -j});

			if (stuff.size() > k){
				auto it = stuff.begin();
				sum -= (*it)[0];
				stuff.erase(it);
			}

			if (stuff.size()==k && (sum-cost) == ans){
				for (auto&i : stuff) used[-i[1]] = 1;

			}
		}
	}
	for (auto&i : used) cout << i;







}

Compilation message

trade.cpp: In function 'int main()':
trade.cpp:30:21: warning: comparison of integer expressions of different signedness: 'std::set<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   30 |    if (stuff.size() > k){
      |        ~~~~~~~~~~~~~^~~
trade.cpp:36:20: warning: comparison of integer expressions of different signedness: 'std::set<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   36 |    if (stuff.size()==k) ans = max(ans, sum-cost);
      |        ~~~~~~~~~~~~^~~
trade.cpp:56:21: warning: comparison of integer expressions of different signedness: 'std::set<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   56 |    if (stuff.size() > k){
      |        ~~~~~~~~~~~~~^~~
trade.cpp:62:20: warning: comparison of integer expressions of different signedness: 'std::set<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   62 |    if (stuff.size()==k && (sum-cost) == ans){
      |        ~~~~~~~~~~~~^~~

Subtask #0
0.0 / 0.0

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

Subtask #1
5.0 / 10.0

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

Subtask #2
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 5 ms 348 KB Output is correct
5 Correct 4 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 3 ms 348 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Partially correct 3 ms 348 KB Partially correct
10 Correct 3 ms 348 KB Output is correct
11 Partially correct 5 ms 348 KB Partially correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 3 ms 348 KB Output is correct
16 Correct 3 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Partially correct 3 ms 348 KB Partially correct
21 Correct 3 ms 348 KB Output is correct
22 Partially correct 3 ms 460 KB Partially correct
23 Correct 4266 ms 996 KB Output is correct
24 Correct 1020 ms 604 KB Output is correct
25 Partially correct 3213 ms 600 KB Partially correct
26 Partially correct 2190 ms 604 KB Partially correct
27 Execution timed out 8039 ms 600 KB Time limit exceeded
28 Halted 0 ms 0 KB -

Subtask #3
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Execution timed out 8061 ms 5212 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Execution timed out 8061 ms 5212 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 5 ms 348 KB Output is correct
7 Correct 4 ms 348 KB Output is correct
8 Correct 2 ms 348 KB Output is correct
9 Correct 3 ms 348 KB Output is correct
10 Correct 4 ms 344 KB Output is correct
11 Partially correct 3 ms 348 KB Partially correct
12 Correct 3 ms 348 KB Output is correct
13 Partially correct 5 ms 348 KB Partially correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 3 ms 348 KB Output is correct
18 Correct 3 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 4 ms 344 KB Output is correct
22 Partially correct 3 ms 348 KB Partially correct
23 Correct 3 ms 348 KB Output is correct
24 Partially correct 3 ms 460 KB Partially correct
25 Correct 4266 ms 996 KB Output is correct
26 Correct 1020 ms 604 KB Output is correct
27 Partially correct 3213 ms 600 KB Partially correct
28 Partially correct 2190 ms 604 KB Partially correct
29 Execution timed out 8039 ms 600 KB Time limit exceeded
30 Halted 0 ms 0 KB -