제출 #584400

#제출 시각아이디문제언어결과실행 시간메모리
584400perchuts전선 연결 (IOI17_wiring)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #define all(x) x.begin(), x.end() #define sz(x) (int) x.size() #define endl '\n' #define pb push_back #define _ ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); // #include "wiring.h" using namespace std; using ll = long long; using ull = unsigned long long; using ii = pair<int,int>; using iii = tuple<int,int,int>; const int inf = 2e9+1; const int mod = 1e9+7; const int maxn = 3e5+100; template<typename X, typename Y> bool ckmin(X& x, const Y& y) { return (y < x) ? (x=y,1):0; } template<typename X, typename Y> bool ckmax(X& x, const Y& y) { return (x < y) ? (x=y,1):0; } ll custo[maxn], pr[maxn], prmn[maxn], sufmn[maxn], dp[maxn]; ll min_total_length(vector<int>a,vector<int>b){ vector<pair<ll,bool>>v; v.pb({-1,0}); for(auto x:a)v.pb({ll(x),0}); for(auto x:b)v.pb({ll(x),1}); sort(all(v)); int n = sz(a) + sz(b), l = 0, r = 0; for(int i=1;i<=n;++i)pr[i] = pr[i-1] + v[i].first; for(int i=1;i<=n;++i){ if(i!=1&&v[i].second!=v[i-1].second){ //calcula o intervalo anterior l = r+1, r = i-1; for(int j=r;j>=l;--j){ custo[j] = v[r].first*ll(r-j+1) - (pr[r] - pr[j-1]); } for(int j=l;j<=r;++j){ if(j==l)prmn[j] = custo[j] + dp[j-1] + (v[r+1].first-v[r].first); else prmn[j] = min(prmn[j-1], custo[j]+dp[j-1]+ll(r-j+1)*(v[r+1].first-v[r].first)); } for(int j=r;j>=l;--j){ if(j==r)sufmn[j] = custo[j] + dp[j-1]; else sufmn[j] = min(sufmn[j+1], custo[j]+dp[j-1]); } } if(!l){ dp[i] = 1e18; continue; } //agora, posso fazer o intervalo anterior vir ate mim, //ou eu ir ate o intervalo anterior int idx = max(l,2*r-i);//r - (i-r) ll volta = pr[i] - pr[r] - ll(i-r)*v[r+1].first; // eu ir ate o intervalo anterior dp[i] = volta + sufmn[idx] + ll(i-r)*(v[r+1].first-v[r].first); // cout<<volta<<" "<<idx<<" "<<dp[i]<<endl; // intervalo anterior vir ate mim if(2*r-i>l)ckmin(dp[i],volta+prmn[idx-1]); // cout<<volta+prmn[idx]<<endl; } return dp[n]; } int main(){ int n,m;cin>>n>>m; vector<int>a(n), b(m); for(auto& x:a)cin>>x; for(auto& x:b)cin>>x; cout<<min_total_length(a,b)<<endl; }

컴파일 시 표준 에러 (stderr) 메시지

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