Submission #568911

#	Time	Username	Problem	Language	Result	Execution time	Memory
568911		nonsensenonsense1	Super Dango Maker (JOI22_dango3)	C++17	100 / 100	775 ms	596 KiB

dango3

#include "dango3.h"

int n;

void calc(std::vector<int> &a) {
	if (a.size() == n) Answer(a);
	else {
		int m = a.size() / n / 2;
		std::vector<int> b;
		for (int i = a.size() - 1; i >= 0; --i) {
			int x = a[i];
			a.erase(a.begin() + i);
			if (Query(a) < m) a.push_back(x);
			else b.push_back(x);
		}
		calc(a);
		calc(b);
	}
}

void Solve(int n_, int m) {
	n = n_;
	std::vector<int> a(n * m);
	for (int i = 0; i < n * m; ++i) a[i] = i + 1;
	calc(a);
}

Compilation message (stderr)

dango3.cpp: In function 'void calc(std::vector<int>&)':
dango3.cpp:6:15: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    6 |  if (a.size() == n) Answer(a);
      |      ~~~~~~~~~^~~~

• Subtask 1: 2 / 2
• Subtask 2: 5 / 5
• Subtask 3: 15 / 15
• Subtask 4: 78 / 78