제출 #941647

#제출 시각아이디문제언어결과실행 시간메모리
941647PanndaSuper Dango Maker (JOI22_dango3)C++17
100 / 100
191 ms860 KiB
#include "dango3.h" #include <bits/stdc++.h> using namespace std; void Solve(int n, int m) { mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); auto query = [&](vector<int> x) -> int { for (int &i : x) i++; return Query(x); }; auto answer = [&](vector<int> x) -> void { for (int &i : x) i++; Answer(x); }; vector<int> rem(n * m); iota(rem.begin(), rem.end(), 0); for (int t = 0; t < m; t++) { shuffle(rem.begin(), rem.end(), rng); int l = n, r = rem.size(); while (l < r) { int m = (l + r) >> 1; if (query(vector<int>(rem.begin(), rem.begin() + m)) > 0) { r = m; } else { l = m + 1; } } int C = l; vector<int> f(rem.begin(), rem.begin() + C); int cur = query(f); vector<int> new_rem(rem.begin() + C, rem.end()); while (f.size() > n) { int i = f.back(); f.pop_back(); int nxt = query(f); if (nxt == 0) { f.insert(f.begin(), i); } else { new_rem.push_back(i); } } rem = new_rem; answer(f); } }

컴파일 시 표준 에러 (stderr) 메시지

dango3.cpp: In function 'void Solve(int, int)':
dango3.cpp:35:25: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   35 |         while (f.size() > n) {
      |                ~~~~~~~~~^~~
dango3.cpp:33:13: warning: unused variable 'cur' [-Wunused-variable]
   33 |         int cur = query(f);
      |             ^~~
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