제출 #1250706

#제출 시각아이디문제언어결과실행 시간메모리
1250706JelalTkmSouvenirs (IOI25_souvenirs)C++20
7 / 100
12 ms412 KiB
#include <bits/stdc++.h> #pragma GCC optimize ("O3") #pragma GCC target ("sse4") using namespace std; // #define int long long int // const int N = 5e5 + 10; // const int md = 1e9 + 7; // const int INF = 1e18; pair<vector<int>, long long> transaction(long long m); void buy_souvenirs(int n, long long p0) { vector<long long> p(n); p[0] = p0; bool ok = 0; for (int i = 1; i < n; i++) { if (ok) { for (int j = 0; j < (i - 1); j++) transaction(1ll); break; } auto ans = transaction(p[i - 1] - 1ll); long long sm = p[i - 1] - 1ll; if ((int) ans.first.size() == 2) { ok = 1; } if ((int) ans.first.size() == 2 || ans.second == 1ll) sm--; for (int j = 0; j < (i - 1); j++) { transaction(sm); } p[i] = sm; } return; } // int32_t main(int32_t argc, char *argv[]) { // ios::sync_with_stdio(false); // cin.tie(nullptr); // int T = 1; // // cin >> T; // while (T--) { // } // return 0; // }
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