Submission #714240

#TimeUsernameProblemLanguageResultExecution timeMemory
714240vjudge1Art Collections (BOI22_art)C++17
Compilation error
0 ms0 KiB
#include <art.h> #include <bits/stdc++.h> using namespace std; void solve(int N){ vector<int> a(N); for(int i=0 ; i<N ; i++){ a[i] = i + 1; } int now = publish(a); if(now == 0){ answer(a); } set<pair<int , int>> ch; for(int i=0 ; i<N ; i++){ for(int j=i+1 ; j<N ; j++){ if(ch.count({a[i] , a[j]})){ continue; } swap(a[i] , a[j]); ch.ins(a[i] , a[j]); int deyer1 = publish(a); if(deyer1 < now){ now = deyer1; } else{ swap(a[i] , a[j]); } } } answer(a); }

Compilation message (stderr)

art.cpp: In function 'void solve(int)':
art.cpp:22:7: error: 'class std::set<std::pair<int, int> >' has no member named 'ins'
   22 |    ch.ins(a[i] , a[j]);
      |       ^~~
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) {
      |        ~~~~~~~~~^~~~