제출 #1056338

#제출 시각아이디문제언어결과실행 시간메모리
1056338Muhammet도로 폐쇄 (APIO21_roads)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #include "roads.h" #include "grader.cpp" using namespace std; #define ll long long #define ff first #define ss second vector<ll> minimum_closure_costs(int n, vector<int> u, vector<int> u1, vector<int> w) { vector <pair<ll,pair<ll,ll>>> v; ll s = 0; bool tr = 0; for(int i = 0; i < n-1; i++){ v.push_back({w[i],{u[i],u1[i]}}); if(u1[i] != u[i]+1) tr = 1; s += w[i]; } vector <ll> v1; sort(v.rbegin(), v.rend()); if(*max_element(u.begin(), u.end()) == 0){ ll s2 = s; v1.push_back(s); for(int i = 0; i < n-1; i++){ s2 -= (v[i].ff); v1.push_back(s2); } return v1; } if(*max_element(w.begin(), w.end()) == 1){ vector <ll> p(n,0), v2, p1(n,0), v1; for(int i = 0; i < n-1; i++){ p[u[i]]++; p[u1[i]]++; } for(int i = 0; i < n; i++){ v2.push_back(p[i]); } sort(v2.begin(), v2.end()); p1[0] = v2[0]; for(int i = 1; i < n; i++){ p1[i] = p1[i-1] + v2[i]; } int ind = 0; for(int i = 0; i < n; i++){ while(v2[ind] <= i and ind < n){ ind++; } ll x = 0; if(ind != 0) x = p[ind-1]; v1.push_back(p[n-1]-(x+(n-ind)*i)); } return v1; } if(tr == 0){ v1.push_back(s); vector <pair<int,int>> v2; for(int i = 0; i < n-1; i++){ v2.push_back({u[i],w[i]}); } sort(v2.begin(), v2.end()); vector <ll> p1(n+1,0), p2(n+1,0); for(int i = 0; i < n-1; i++){ if(i > 0) p1[i] = p1[i-1], p2[i] = p2[i-1]; if(i % 2 == 0) p2[i] += v2[i].ss; else p1[i] += v2[i].ss; } ll mx = max(p1[n-2],p2[n-2]); for(int i = 0; i < n-2; i++){ mx = max(mx,p1[i]+p2[n-2]-p2[min(i+2,n-2)]); mx = max(mx,p2[i]+p1[n-2]-p1[min(i+2,n-2)]); } v1.push_back(s-mx); for(int i = 2; i < n; i++) v1.push_back(0); return v1; } return vector<ll>(n-1,0); }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccKZG25U.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccTEtgkW.o:roads.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status