제출 #339374

#제출 시각아이디문제언어결과실행 시간메모리
339374israeladewuyiArranging Shoes (IOI19_shoes)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<ll> vi; typedef vector<string> vs; #define PB push_back #define pb pop_back #define in insert #define endl "\n" const unsigned int M = 1000000007; ll count_swaps(vi v){ int n = v.size(); int swaps = 0; for(int i = 0; i < n;i+=2){ int x = abs(v[i+1]); if(v[i] != -x)swaps++; } return swaps; } //int main(){ // vi v; // v.PB(2); // v.PB(-2); // cout<<count_swaps(v); //}

컴파일 시 표준 에러 (stderr) 메시지

/tmp/cclL9Nw3.o: In function `main':
grader.cpp:(.text.startup+0x28e): undefined reference to `count_swaps(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status