Submission #1250699

#	Time	Username	Problem	Language	Result	Execution time	Memory
1250699		harvsftw	선물 (IOI25_souvenirs)	C++20	25 / 100	12 ms	412 KiB

souvenirs

#include "souvenirs.h"
#include <bits/stdc++.h>
using namespace std;

#define F(i, n) for(int i = 0; i < (n); i++)
#define FF(i, s, n) for(int i = (s); i < (n); i++)
using out = std::pair<std::vector<int>, long long>;
void buy_souvenirs(int N, long long P0) {
    out res = transaction(P0 - 1);

    if(N == 3) {
        // n = 3
        
        if(res.first.size() == 2) { // rebuy
            transaction((P0 - 1 - res.second) / 2);
        } else {
            auto P1 = P0 - 1 - res.second;
            transaction(P1 - 1);
            transaction(P1 - 1);
        }
    } else if(N > 3) { // st3
        FF(i, 2, N) {
            F(j, i) {
                transaction(P0 - i);
            }
        }
    }
    return;
}

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