Submission #543077

#TimeUsernameProblemLanguageResultExecution timeMemory
543077FystyCoin Collecting (JOI19_ho_t4)C++17
100 / 100
53 ms5068 KiB
#include <bits/stdc++.h> #include <random> #include <chrono> using namespace std; //#pragma GCC optimize("Ofast") //#pragma GCC optimize ("unroll-loops") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef pair<int,int> pii; typedef pair<ll,ll> pll; typedef pair<double,double> pdd; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); template<typename T> void _do(T x){cerr<<x<<"\n";} template<typename T,typename ...U> void _do(T x,U ...y){cerr<<x<<", ";_do(y...);} #define dbg(...) cerr<<#__VA_ARGS__<<" = ";_do(__VA_ARGS__); const int MOD1=1e9+7; const int MOD2=998244353; const ll INF=3e18; const ld PI=3.14159265358979323846; ll gcd(ll a,ll b){if(b==0) return a; return gcd(b,a%b);} ll fpow(ll a,ll b,ll m) { if(!b) return 1; ll ans=fpow(a*a%m,b/2,m); return (b%2?ans*a%m:ans); } ll inv(ll a,ll m) {return fpow(a,m-2,m);} #define MottoHayaku ios::sync_with_stdio(false);cin.tie(0); //#define int ll #define rep(i,n) for(int i=0;i<n;i++) #define rep1(i,n) for(int i=1;i<=n;i++) #define repk(i,m,n) for(int i=m;i<n;i++) #define F first #define S second #define pb push_back #define uni(c) c.resize(distance(c.begin(),unique(c.begin(),c.end()))) #define unisort(c) sort(c.begin(),c.end()),uni(c) ll cnt[100001][2]; signed main() { MottoHayaku ll n; cin>>n; ll ans=0; rep1(i,n*2) { ll x,y; cin>>x>>y; if(x<1) ans+=1-x,x=1; else if(x>n) ans+=x-n,x=n; if(y<1) ans+=1-y,y=0; else if(y>2) ans+=y-2,y=1; else y--; cnt[x][y]++; } ll cur0=0,cur1=0; rep1(i,n) { cur0+=cnt[i][0]-1; cur1+=cnt[i][1]-1; while(cur0<0&&cur1>0) ans++,cur0++,cur1--; while(cur0>0&&cur1<0) ans++,cur0--,cur1++; ans+=abs(cur0)+abs(cur1); } cout<<ans; }
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