Submission #776211

#	Time	Username	Problem	Language	Result	Execution time	Memory
776211		rxlfd314	Art Collections (BOI22_art)	C++17	100 / 100	1291 ms	572 KiB

art

#include "art.h"
#include <bits/stdc++.h>
using namespace std;

void solve(int N) {
	vector<int> ans(N);
	iota(ans.begin(), ans.end(), 1);
	int cur = publish(ans);
	for (int i = 1; i < N; i++) {
		reverse(ans.begin(), ans.begin()+i+1);
		int nxt = publish(ans);
		int v = cur - nxt + i*(i-1)/2 + i >> 1;
		reverse(ans.begin(), ans.begin()+i+1);
		for (int j = i; j > i-v; j--) {
			swap(ans[j], ans[j-1]);
		}
		cur -= v;
	}
	answer(ans);
}

Compilation message (stderr)

art.cpp: In function 'void solve(int)':
art.cpp:12:33: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   12 |   int v = cur - nxt + i*(i-1)/2 + i >> 1;
      |           ~~~~~~~~~~~~~~~~~~~~~~^~~
interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~

• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 30 / 30