Submission #915738

#	Time	Username	Problem	Language	Result	Execution time	Memory
915738		IBory	Super Dango Maker (JOI22_dango3)	C++17	100 / 100	640 ms	856 KiB

dango3

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

const int MAX = 10004;
int V[MAX];

void Solve(int N, int M) {
	random_device rd;
	vector<int> P;
	for (int i = 1; i <= N * M; ++i) P.push_back(i);

	for (int t = 1; t <= M; ++t) {
		vector<int> G, T;
		shuffle(P.begin(), P.end(), rd);

		for (int i = 0; i < N * M; ++i) {
			if (V[P[i]]) continue;
			G.push_back(P[i]);
		}

		if (G.size() == N) {
			Answer(G);
			return;
		}

		T.push_back(G.back()); G.pop_back();
		int idx = 0;
		while (T.size() < N) {
			swap(G[idx], G[G.size() - 1]);
			int n = G.back(); G.pop_back();
			if (Query(G) == M - t) T.push_back(n);
			else {
				G.push_back(n);
				swap(G[idx], G[G.size() - 1]);
				idx++;
			}

		}

		Answer(T);
		for (int n : T) V[n] = 1;
	}
}

Compilation message (stderr)

dango3.cpp: In function 'void Solve(int, int)':
dango3.cpp:23:16: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   23 |   if (G.size() == N) {
      |       ~~~~~~~~~^~~~
dango3.cpp:30:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   30 |   while (T.size() < N) {
      |          ~~~~~~~~~^~~

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