Submission #1250672

#	Time	Username	Problem	Language	Result	Execution time	Memory
1250672		starnightsnow	Souvenirs (IOI25_souvenirs)	C++20	4 / 100	0 ms	412 KiB

souvenirs

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

extern pair<vector<int>, long long> transaction(long long M);

void buy_souvenirs(int N, long long P0) {
    if (N == 2) {
        auto [gotten, change] = transaction(P0 - 1);
        return;
    }
    if(N == 3){
        auto [gotten1, change1] = transaction(P0 - 1);
        ll use;
        // got cheapest
        if(gotten1.size() == 1){
            use = (P0 - 1) - change1;
            auto [gotten2, change2] = transaction(use);
            auto [gotten3, change3] = transaction(use);
        }
        // bough 2 items
        else{
            use = ((P0 - 1) - change1) / 2;
            auto [gotten2, change2] = transaction(use);
        }
    }
}

• Subtask 0: 0 / 0
• Subtask 1: 4 / 4
• Subtask 2: 0 / 3
• Subtask 3: 0 / 14
• Subtask 4: 0 / 18
• Subtask 5: 0 / 28
• Subtask 6: 0 / 33