Submission #640075

#	Time	Username	Problem	Language	Result	Execution time	Memory
640075		victor_gao	Super Dango Maker (JOI22_dango3)	C++17	0 / 100	391 ms	568 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]={0,1,1,1,1,1,2,2,2,3,3,3,3,3,4,4,4,4,4,5,5,5,5,5,5,5,5};
    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;
        while (find){
            shuffle(all.begin(),all.end(),rng);
            vector<int>now;
            vector<int>ok;
            int sz=all.size();
            for (int j=0;j<sz/B[i];j++){
                now.push_back(all[sz-j-1]);
            }
            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),cnt=0;
                    if (nq==0){
                        now.push_back(out);
                        swap(now[cnt],now[now.size()-1]);
                        cnt++;
                        ok.push_back(out);
                    }
                    else all.push_front(out);
                    if (cnt>=now.size()) break;
                }
                find=0;
                Answer(ok);
            }
        }
    }
}

Compilation message (stderr)

dango3.cpp: In function 'void Solve(int, int)':
dango3.cpp:36:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |                     if (cnt>=now.size()) break;
      |                         ~~~^~~~~~~~~~~~

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