Submission #589690

#	Time	Username	Problem	Language	Result	Execution time	Memory
589690		LastRonin	Super Dango Maker (JOI22_dango3)	C++17	100 / 100	1845 ms	668 KiB

dango3

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

mt19937_64 bruh(chrono::steady_clock::now().time_since_epoch().count());

namespace {

int variable_example = 1;

}  // namespace

void Solve(int N, int M) {
  	vector<int> x;
  	for(int i = 0; i < N; i++) {
  		for(int j = 0; j < M; j++) {
  			x.pb(M * i + j + 1);
  		}
  	}
  	int kek = 0;
  	vector<int> y;
  	while(kek < M) {
	  	shuffle(x.begin(), x.end(), bruh);
	  	int za = Query(x);
	  	int f = x.size();
	  	vector<int> ans;
		if(kek  <= 25 ) {
			ans.pb(x.back());
			x.pop_back();
			for(int j = f - 2; j >= 0; j--) {
				int mem = x.back();
				x.pop_back();
				for(auto u : y) x.pb(u);
				int answ = Query(x);				
				for(auto u : y)x.pop_back();
				if(answ == za - 2) y.pb(mem);
				else ans.pb(mem);
				if(ans.size() == N)break;
			}
			for(auto u : x)y.pb(u);
			x = y;
			y.clear();
		}
		else {
			ans.pb(x.back());
			x.pop_back();
			for(int j = f - 2; j >= 0; j--) {
				int mem = x.back();
				x.pop_back();
				for(auto u : y) x.pb(u);
				int answ = Query(x);				
				for(auto u : y)x.pop_back();
				if(answ == za - 2) y.pb(mem);
				else ans.pb(mem);
			}
			x = y;
			y.clear();						
	  	}
		kek++;
	    Answer(ans);
  	}
}

Compilation message (stderr)

dango3.cpp: In function 'void Solve(int, int)':
dango3.cpp:37:14: warning: unused variable 'u' [-Wunused-variable]
   37 |     for(auto u : y)x.pop_back();
      |              ^
dango3.cpp:40:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   40 |     if(ans.size() == N)break;
      |        ~~~~~~~~~~~^~~~
dango3.cpp:54:14: warning: unused variable 'u' [-Wunused-variable]
   54 |     for(auto u : y)x.pop_back();
      |              ^
dango3.cpp: At global scope:
dango3.cpp:11:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
   11 | int variable_example = 1;
      |     ^~~~~~~~~~~~~~~~

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