제출 #387144

#제출 시각아이디문제언어결과실행 시간메모리
387144ismoilovArranging Shoes (IOI19_shoes)C++14
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; #define IOS ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #define all(x) (x).begin(), (x).end() #define rall(x) (x).begin(), (x).end() #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++) #define fpp(a,i,c) for(int (a) = (i); (a) <= (c); (a)++) #define fv(c) for(int (a) = (1); (a) <= (c); (a)++) #define fz(c) for(int (a) = (0); (a) < (c); (a)++) #define fm(a,i,c) for(int (a) = (i); (a) > (c); (a)--) #define fmm(a,i,c) for(int (a) = (i); (a) >= (c); (a)--) #define pb push_back #define in insert #define ss second #define ff first ll S(vector <int> &s) { ll ans = 0; int n = s.size(); vector <int> v[2*n+1]; vector <int> a; fp(i,0,n){ if(s[i] < 0) v[-s[i]+n].pb(i); else v[s[i]].pb(i), a.pb(s[i]); } for(auto it : a){ while(!v[it].empty()){ int x = v[it].back(), y = v[it+n].back(); v[it].pop_back(), v[it+n].pop_back(); if(x > y) ans += x - y - 1; else ans += y - x; //cout << it << " " << x << " " << y << "\n"; } } return ans; } int main() { IOS; int n; cin >> n; vector <int> c(2*n); fp(i,0,2*n) cin >> c[i]; cout << S(c); /*int t; cin >> t; while(t--) S();*/ }

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'll S(std::vector<int>&)':
shoes.cpp:9:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    9 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
      |                           ^
shoes.cpp:26:2: note: in expansion of macro 'fp'
   26 |  fp(i,0,n){
      |  ^~
shoes.cpp: In function 'int main()':
shoes.cpp:9:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    9 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
      |                           ^
shoes.cpp:51:2: note: in expansion of macro 'fp'
   51 |  fp(i,0,2*n)
      |  ^~
/tmp/ccF5BaaJ.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccO40jPe.o:shoes.cpp:(.text.startup+0x0): first defined here
/tmp/ccF5BaaJ.o: In function `main':
grader.cpp:(.text.startup+0x278): undefined reference to `count_swaps(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status