Submission #597781

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
597781	2022-07-16T21:10:15 Z	yanndev	Art Collections (BOI22_art)	C++17	Compilation error	0 ms	0 KB

art

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

void solve(int n) {
    vector<int> posOfVal(n, -1);
    // 0 indexed ranks
    // newInv = oldInv - (rank) + (n - rank - 1)
    // newInv = oldInv - (2 * rank) + (n - 1)
    // rank = -(newInv - oldInv - (n - 1)) / 2

    vector<int> ls (n);
    for (int i = 0; i < n; i++)
        ls[i] = i + 1;

    int firstInv = publish(ls);
    int oldInv = firstInv;
    
    for (int i = 0; i < n; i++) {
        rotate(ls.begin(), ls.begin() + 1, ls.end());
        int newInv = publish(ls);
        posOfVal[i + 1] = -(newInv - oldInv - (n - 1)) / 2;
        lastQ = curQ;
    }

    vector<int> ls (n, -1);
    for (int i = 1; i <= n; i++)
        ls[posOfVal[i]] = i;
    answer(ls);
}

Compilation message

art.cpp: In function 'void solve(int)':
art.cpp:23:9: error: 'lastQ' was not declared in this scope
   23 |         lastQ = curQ;
      |         ^~~~~
art.cpp:23:17: error: 'curQ' was not declared in this scope
   23 |         lastQ = curQ;
      |                 ^~~~
art.cpp:26:17: error: redeclaration of 'std::vector<int> ls'
   26 |     vector<int> ls (n, -1);
      |                 ^~
art.cpp:12:17: note: 'std::vector<int> ls' previously declared here
   12 |     vector<int> ls (n);
      |                 ^~
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) {
      |        ~~~~~~~~~^~~~