제출 #772267

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
772267		raysh07	Super Dango Maker (JOI22_dango3)	C++17	컴파일 에러	0 ms	0 KiB

dango3

#include "dango3.h"
#include <bits/stdc++.h>
using namespace std;

namespace {

int variable_example = 1;

}  // namespace

void Solve(int n, int m) {
  // std::vector<int> x(3);
  // x[0] = 1;
  // x[1] = 2;
  // x[2] = 3;
  // variable_example = Query(x);
  // for (int i = 0; i < M; i++) {
  //   std::vector<int> a(N);
  //   for (int j = 0; j < N; j++) {
  //     a[j] = N * i + j + 1;
  //   }
  //   Answer(a);
  // }

	vector <vector <int>> ans(m);
	vector <int> a(n * m);
	for (int i = 1; i <= n * m; i++){
		int l = 0, r = m - 1;

		while (l != r){
			int mid = (l + r)/2;

			for (auto &x : a) x = 1;

			for (int i = mid + 1; i < m; i++){
				for (auto x : ans[i]) a[x] = 0;
			}
			a[i] = 0;

			vector <int> qry;
			for (int i = 0; i < n * m; i++) if (a[i]) qry.push_back(i + 1);

			int get = Query(qry);

			if (get >= mid) l = mid + 1;
			else r = mid;
		}

		ans[l].push_back(i);
	}

	for (int i = 0; i < m; i++) Answer(ans);
}

컴파일 시 표준 에러 (stderr) 메시지

dango3.cpp: In function 'void Solve(int, int)':
dango3.cpp:52:37: error: invalid initialization of reference of type 'const std::vector<int>&' from expression of type 'std::vector<std::vector<int> >'
   52 |  for (int i = 0; i < m; i++) Answer(ans);
      |                                     ^~~
In file included from dango3.cpp:1:
dango3.h:6:37: note: in passing argument 1 of 'void Answer(const std::vector<int>&)'
    6 | void Answer(const std::vector<int> &a);
      |             ~~~~~~~~~~~~~~~~~~~~~~~~^
dango3.cpp: At global scope:
dango3.cpp:7:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
    7 | int variable_example = 1;
      |     ^~~~~~~~~~~~~~~~