제출 #1285062

#제출 시각아이디문제언어결과실행 시간메모리
1285062georgeckito선물 (IOI25_souvenirs)C++20
7 / 100
13 ms400 KiB
#include "souvenirs.h" #include <bits/stdc++.h> using namespace std; void buy_souvenirs(int N, long long P0) { if(N == 2) { std::pair<std::vector<int>, long long> res = transaction(P0-1); } else if(N == 3) { std::pair<std::vector<int>, long long> res = transaction(P0-1); if(res.first.size() == 1) { int p1 = P0-1-res.second;// a > b > c // b+c+x=a-1 => c = a-1-x-b std::pair<std::vector<int>, long long> res1 = transaction(p1-1); transaction(p1-res1.second-1); } else { transaction(P0-3-res.second);// 8 3 1 } } else { for(int i = 1; i < N; i++) { for(int j = 0; j < i; j++) { transaction(N-i); } } } return; }
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