Submission #998708

#	Time	Username	Problem	Language	Result	Execution time	Memory
998708		Sharky	Super Dango Maker (JOI22_dango3)	C++17	100 / 100	2570 ms	848 KiB

dango3

// let's hope this works
 
#include "dango3.h"
#include <bits/stdc++.h>
using namespace std;
 
namespace {
 
int var = 0;
 
}  // namespace
 
random_device rd;
mt19937 g(rd());
 
void Solve(int N, int M) {
    vector<int> p;
    for (int i = 1; i <= N * M; i++) p.push_back(i);
    shuffle(p.begin(), p.end(), g);
    vector<int> sus(N * M + 1, 0);
    vector<vector<int>> amogus(M + 1);
    vector<vector<bool>> rizz(M + 1, vector<bool> (N * M + 1, 0));
    for (int ii = 1; ii <= N * M; ii++) {
        int i = p[ii - 1];
        int l = 1, r = M;
        while (l < r) {
            int it = (l + r) / 2;
            rizz[it][i] = 1;
            vector<int> alice;
            for (int j = 1; j <= N * M; j++) if (!rizz[it][j]) alice.push_back(j);
            rizz[it][i] = 0;
            if (Query(alice) < M - 1) l = it + 1;
            else r = it;
        }
        amogus[l].push_back(i);
        rizz[l][i] = 1;
    }
    for (int it = 1; it <= M; it++) Answer(amogus[it]);
}

Compilation message (stderr)

dango3.cpp:9:5: warning: '{anonymous}::var' defined but not used [-Wunused-variable]
    9 | int var = 0;
      |     ^~~

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