Submission #988576

#	Time	Username	Problem	Language	Result	Execution time	Memory
988576		toan2602	Super Dango Maker (JOI22_dango3)	C++17	22 / 100	317 ms	600 KiB

dango3

#include<bits/stdc++.h>
#include "dango3.h"

using namespace std;

vector<int> ans, v2, x;
bool mark[100005];

void Solve(int n, int m) {

    for (int Q = 1; Q <= m; Q++) {
        x.clear();
        for (int i = n * m; i >= 1; i--) if(!mark[i]) x.push_back(i);
        ans.clear();
        v2 = x;
        while(!x.empty()) {
            int l = 0, r = x.size() - 1, mid, mx = 0;
            while(l <= r) {
                v2.clear();
                mid = (l + r) / 2;
                for (int i = 0; i < x.size() - mid; i++) {
                    v2.push_back(x[i]);
                }
                for (int i: ans) v2.push_back(i);
                if(Query(v2) == 0) r = mid - 1;
                else {
                    l = mid + 1;
                    mx = max(mx, mid);
                }
            }
            for (int i = 1; i <= mx; i++) {
                x.pop_back();
            }
            mark[x.back()] = true;
            ans.push_back(x.back());
            x.pop_back();
            if(ans.size() == n) break;
        }
        Answer(ans);
    }
}

Compilation message (stderr)

dango3.cpp: In function 'void Solve(int, int)':
dango3.cpp:21:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |                 for (int i = 0; i < x.size() - mid; i++) {
      |                                 ~~^~~~~~~~~~~~~~~~
dango3.cpp:37:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   37 |             if(ans.size() == n) break;
      |                ~~~~~~~~~~~^~~~

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