Submission #1120152

#	Time	Username	Problem	Language	Result	Execution time	Memory
1120152		vjudge1	Art Collections (BOI22_art)	C++17	Compilation error	0 ms	0 KiB

art

#include <bits/stdc++.h>
using namespace std;
void solve(int n) {
    vector<int> p;
    for(int i = 1; i <= n; i++) {
        p.push_back(i);
    }
    int cur = publish(p);
    vector<int> ans(n, -1);
    for(int i = 0; i < n - 1; i++) {
        reverse(p.begin(), p.end());
        int d = p.back();
        p.pop_back();
        reverse(p.begin(), p.end());
        p.push_back(d);
        int cur2 = publish(p);
        //a - b = cur - cur2;
        //a + b = n - 1
        //2 * a = cur - cur2 + n - 1;
        int a = (cur - cur2 + n - 1)/2;
        ans[a] = d;
        cur = cur2;
    }
    int pos = 0;
    for(int i = 0; i < n; i++) {
        if(ans[i] == -1) { 
            ans[i] = p[0];
        }
    }
    answer(ans);
}

Compilation message (stderr)

art.cpp: In function 'void solve(int)':
art.cpp:8:15: error: 'publish' was not declared in this scope
    8 |     int cur = publish(p);
      |               ^~~~~~~
art.cpp:30:5: error: 'answer' was not declared in this scope
   30 |     answer(ans);
      |     ^~~~~~
art.cpp:24:9: warning: unused variable 'pos' [-Wunused-variable]
   24 |     int pos = 0;
      |         ^~~
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) {
      |        ~~~~~~~~~^~~~