Submission #640085

#	Time	Username	Problem	Language	Result	Execution time	Memory
640085		victor_gao	Super Dango Maker (JOI22_dango3)	C++17	7 / 100	1737 ms	628 KiB

dango3

#include<bits/stdc++.h>
#include "dango3.h"
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
void Solve(int N,int M){
    int B[30]={0,1,1,1,1,1,1,1,1,1,1,3,3,3,3,3,4,4,4,4,4,4,5,5,5,5,5};
    deque<int>all;
    for (int i=1;i<=N*M;i++)
        all.push_back(i);
    for (int i=1;i<=M;i++){
        bool find=1;
        assert(all.size()==(N*(M-i+1)));
        while (find){
            shuffle(all.begin(),all.end(),rng);
            vector<int>now;
            vector<int>ok,no;
            int sz=all.size();
            for (int j=0;j<sz/B[i];j++){
                now.push_back(all[sz+j-sz/B[i]]);
            }
            int Q=Query(now);
            if (Q==0) continue;
            else {
                int nsz=now.size();
                for (int i=0;i<nsz;i++){
                    int out=now.back();
                    now.pop_back();
                    all.pop_back();
                    int nq=Query(now);
                    if (nq==0){
                        now.insert(now.begin(),out);
                    }
                    else no.push_back(out);
                }
                for (auto j:no)
                    all.push_back(j);
                if (now.size()!=N){
                    assert(0);
                }
                find=0;
                Answer(now);
            }
        }
    }
}

Compilation message (stderr)

In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from dango3.cpp:1:
dango3.cpp: In function 'void Solve(int, int)':
dango3.cpp:12:26: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   12 |         assert(all.size()==(N*(M-i+1)));
      |                ~~~~~~~~~~^~~~~~~~~~~~~
dango3.cpp:37:31: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   37 |                 if (now.size()!=N){
      |                     ~~~~~~~~~~^~~

• Subtask 1: 2 / 2
• Subtask 2: 5 / 5
• Subtask 3: 0 / 15
• Subtask 4: 0 / 78