제출 #1252847

#제출 시각아이디문제언어결과실행 시간메모리
1252847TIN선물 (IOI25_souvenirs)C++20
7 / 100
11 ms400 KiB
#include "souvenirs.h" #include <utility> #include <vector> void buy_souvenirs(int N, long long P0) { // std::pair<std::vector<int>, long long> res = transaction(3); std::pair<std::vector<int>, long long> res; if (N == 2) { res = transaction(P0 - 1); return; } std::vector<int> p(N, 0); std::vector<int> cnt(N, 0); p[0] = P0; for (int i = 1; i < N; i++) { res = transaction(p[i - 1] - 1); cnt[i]++; p[i] = p[i - 1] - 1; if ((int) res.first.size() > 1 || res.second > 0) p[i]--; if ((int) res.first.size() > 1) cnt[res.first[1]]++; if (p[i] < 1) return; while (cnt[i] < i) { res = transaction(p[i]); ++cnt[i]; } } return; }
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