제출 #832203

#제출 시각아이디문제언어결과실행 시간메모리
832203devariaotaArranging Shoes (IOI19_shoes)C++17
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; #define ioss ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0) #define ll long long #define tup tuple<int, int, int> #define pii pair<int, int> #define fi first #define se second #define pub push_back #define pob pop_back int n; vector<int> s; int main() { ioss; cin >> n; for(int i = 0; i < 2*n; i++) { int a; cin >> a; s.pub(a); } int ans = 0; for(int i = 0; i < 2*n; i++) { if(s[i] == 0) continue; if(s[i] < 0) { int cnt = 0; for(int j = i+1; j < 2*n; j++) { if(s[j] == 0) { cnt++; continue; } if(s[j] == -s[i]) { ans += j-i-1 - cnt; s[i] = s[j] = 0; break; } } } else { int cnt = 0; for(int j = i+1; j < 2*n; j++) { if(s[j] == 0) { cnt++; continue; } if(s[j] == -s[i]) { ans += j-i - cnt; s[i] = s[j] = 0; break; } } } } cout << ans << endl; }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/cc53xaEj.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cclx3xfi.o:shoes.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc53xaEj.o: in function `main':
grader.cpp:(.text.startup+0x2a8): undefined reference to `count_swaps(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status