Submission #577829

#	Time	Username	Problem	Language	Result	Execution time	Memory
577829		Markomafko972	Art Collections (BOI22_art)	C++17	Compilation error	0 ms	0 KiB

art

#include "art.h"
#include <bits/stdc++.h>
#include <vector>

void solve(int n) {
	vector<int> v[4005];
	int a[4005];
	for (int i = 0; i < n; i++) {
		v[i].clear();
		for (int j = 0; j < n; j++) {
			v[i].push_back((i+j)%n+1);
		}
		a[i] = publish(v[i]);
	}
	
	vector<int> sol;
	for (int i = n-1; i >= 1; i--) {
		int p = 0, da = 0;
		for (int j = 0; j < n; j++) {
			while (p < n && (p <= j || a[p] == -1)) p++;
			if (p >= n) break;
			
			if (a[p]-a[j] == i) {
				a[j] = -1;
				sol.push_back(j+1);
				da = 1;
				
				int d = 1;
				while (j-d >= 0) {
					if (a[j-d] != -1) a[j-d] -= d;
					d++;
				}
				
				d = 1;
				while (j+d < n) {
					if (a[j+d] != -1) a[j+d] -= i-d+1;
					d++;
				}
				
				break;
			}
		}
		
		if (da == 0) {
			if (a[0]-a[n-1] == i) {
				a[n-1] = -1;
				sol.push_back(n);
				
				for (int j = n-2; j >= 0; j--) {
					if (a[j] != -1) a[j] -= (n-1)-j;
				}
			}
			else assert(0);
		}
	}
	
	for (int i = 0; i < n; i++) {
		if (a[i] != -1) sol.push_back(i);
	}
	answer(sol);
}

Compilation message (stderr)

art.cpp: In function 'void solve(int)':
art.cpp:6:2: error: 'vector' was not declared in this scope
    6 |  vector<int> v[4005];
      |  ^~~~~~
art.cpp:6:2: note: suggested alternatives:
In file included from /usr/include/c++/10/vector:67,
                 from art.h:1,
                 from art.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:389:11: note:   'std::vector'
  389 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
In file included from art.h:1,
                 from art.cpp:1:
/usr/include/c++/10/vector:86:13: note:   'std::pmr::vector'
   86 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
art.cpp:6:9: error: expected primary-expression before 'int'
    6 |  vector<int> v[4005];
      |         ^~~
art.cpp:9:3: error: 'v' was not declared in this scope
    9 |   v[i].clear();
      |   ^
art.cpp:16:9: error: expected primary-expression before 'int'
   16 |  vector<int> sol;
      |         ^~~
art.cpp:25:5: error: 'sol' was not declared in this scope
   25 |     sol.push_back(j+1);
      |     ^~~
art.cpp:47:5: error: 'sol' was not declared in this scope
   47 |     sol.push_back(n);
      |     ^~~
art.cpp:58:19: error: 'sol' was not declared in this scope
   58 |   if (a[i] != -1) sol.push_back(i);
      |                   ^~~
art.cpp:60:9: error: 'sol' was not declared in this scope
   60 |  answer(sol);
      |         ^~~
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) {
      |        ~~~~~~~~~^~~~