Submission #940689

#	Time	Username	Problem	Language	Result	Execution time	Memory
940689		velislavgarkov	Super Dango Maker (JOI22_dango3)	C++17	100 / 100	305 ms	852 KiB

dango3

#include "dango3.h"
#include <iostream>
#include <algorithm>
#include <vector>
#include <cstring>
using namespace std;
const int MAXN=1e4+10;
bool used[MAXN];
void solve(vector <int> a, int n, int m) {
    if (a.size()==n) {
        Answer(a);
        return;
    }
    vector <int> cur_ans;
    for (auto i:a) cur_ans.push_back(i);
    int gr=m/2;

    for (int i=0;i<a.size();i++) {
        if (cur_ans.size()==n*gr) break;
        cur_ans.erase(cur_ans.begin());
        if (Query(cur_ans)<gr) cur_ans.push_back(a[i]);
    }
    memset(used,false,sizeof(used));
    for (int i=0;i<n*gr;i++) used[cur_ans[i]]=true;
    vector <int> newa;
    for (int i=0;i<a.size();i++) {
        if (!used[a[i]]) newa.push_back(a[i]);
    }
    solve(cur_ans,n,gr);
    solve(newa,n,m-gr);
}
void Solve(int N, int M) {
    int n, m;
    n=N; m=M;
    vector <int> a;
    for (int i=1;i<=n*m;i++) a.push_back(i);
    //random_shuffle(a.begin(),a.end());
    solve(a,n,m);
}

Compilation message (stderr)

dango3.cpp: In function 'void solve(std::vector<int>, int, int)':
dango3.cpp:10:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   10 |     if (a.size()==n) {
      |         ~~~~~~~~^~~
dango3.cpp:18:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |     for (int i=0;i<a.size();i++) {
      |                  ~^~~~~~~~~
dango3.cpp:19:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   19 |         if (cur_ans.size()==n*gr) break;
      |             ~~~~~~~~~~~~~~^~~~~~
dango3.cpp:26:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     for (int i=0;i<a.size();i++) {
      |                  ~^~~~~~~~~

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