| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1285240 | ecen30 | Souvenirs (IOI25_souvenirs) | C++20 | 0 ms | 0 KiB |
#include <vector>
#include <iostream>
#include <utility>
//This is ChatGPT code. I am using this website to test different AI's and their abilities to solve IOI problems. Please understand. I do not mean to cheat. Just trying to get a good grade on my science project.
using namespace std;
// This function simulates a transaction with the seller.
// It returns a pair:
// - A list of souvenir types bought (in increasing order),
// - The number of coins returned to Amaru after the transaction.
pair<vector<int>, long long> transaction(long long M) {
// Placeholder for the actual transaction logic in an online judge system
// Here, you would normally make a request to the grader system
return {{}, 0}; // For illustration, this just returns an empty list and 0 coins
}
// Function to solve the problem and instruct Amaru to buy the souvenirs.
void buy_souvenirs(int N, long long P0) {
// Prices array where we store the price of each souvenir type
vector<long long> P(N, 0);
P[0] = P0; // Set the price of the first souvenir type
// Deduce the prices of other souvenirs by considering possible values
vector<long long> possible_prices(N);
for (int i = 0; i < N; ++i) {
possible_prices[i] = P0 - i;
}
// Start the deduction process. We'll use binary search or transaction exploration.
for (int i = 1; i < N; ++i) {
long long M = P[i-1] - 1; // Query with a value less than the price of the previous type
auto result = transaction(M); // Get the transaction result
vector<int> souvenirs = result.first;
long long remaining = result.second;
// Use the response to deduce the price of each type
for (int j : souvenirs) {
P[j] = possible_prices[j];
}
}
// Now, proceed to buy the required souvenirs in exactly the right amounts.
for (int i = 1; i < N; ++i) {
long long M = P[i];
auto result = transaction(M); // Buy souvenirs of type i
vector<int> souvenirs = result.first;
long long remaining = result.second;
}
// Final output: the number of souvenirs bought for each type
vector<int> result_count(N, 0);
for (int i = 0; i < N; ++i) {
result_count[i] = 1; // Placeholder for actual logic
}
// Print the result to match the output format expected by the online judge
for (int i = 0; i < N; ++i) {
cout << result_count[i] << " ";
}
cout << endl;
}
int main() {
// Example input
int N = 3;
long long P0 = 4;
// Call the function to solve the problem
buy_souvenirs(N, P0);
return 0;
}