제출 #922083

#제출 시각아이디문제언어결과실행 시간메모리
922083NurislamArranging Shoes (IOI19_shoes)C++14
컴파일 에러
0 ms0 KiB
#include "shoes.h" #include "grader.cpp" #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #define order_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> long long count_swaps(std::vector<int> a) { int n = a.size()/2; int la[n*2]{}; queue<int> pos[n+1], neg[n+1]; for(int i = 0; i < n*2; i++){ int x = a[i]; if(x < 0){ if(!pos[-a[i]].empty()){ la[pos[-a[i]].front()] = i; pos[-a[i]].pop(); }else{ neg[-a[i]].push(i); } }else{ if(!neg[a[i]].empty()){ la[neg[a[i]].front()] = i; neg[a[i]].pop(); }else{ pos[a[i]].push(i); } } } order_set st; int ans = 0, us[n*2]{}; for(int i = 0; i < n*2; i++){ if(us[i]){ st.erase(i); continue; } int r = st.order_of_key(la[i]); if(r < (int)st.size() && *st.find_by_order(r) < la[a[i]])r++; ans += la[i]-i-r; if(a[i] < 0)ans--; st.insert(la[i]); us[la[i]]++; } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccCaM9LR.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccDBdspS.o:shoes.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status