답안 #377788

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
377788 2021-03-15T05:44:36 Z rrrr10000 Pinball (JOI14_pinball) C++14
100 / 100
515 ms 30424 KB
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n)  for(long long i=0;i<(long long)(n);i++)
#define REP(i,k,n) for(long long i=k;i<(long long)(n);i++)
#define pb emplace_back
#define lb(v,k) (lower_bound(all(v),(k))-v.begin())
#define ub(v,k) (upper_bound(all(v),(k))-v.begin())
#define fi first
#define se second
#define pi M_PI
#define PQ(T) priority_queue<T>
#define SPQ(T) priority_queue<T,vector<T>,greater<T>>
#define dame(a) {out(a);return 0;}
#define decimal cout<<fixed<<setprecision(15);
#define all(a) a.begin(),a.end()
#define rsort(a) {sort(all(a));reverse(all(a));}
#define dupli(a) {sort(all(a));a.erase(unique(all(a)),a.end());}
typedef long long ll;
typedef pair<ll,ll> P;
typedef tuple<ll,ll,ll> PP;
typedef tuple<ll,ll,ll,ll> PPP;
using vi=vector<ll>;
using vvi=vector<vi>;
using vvvi=vector<vvi>;
using vvvvi=vector<vvvi>;
using vp=vector<P>;
using vvp=vector<vp>;
using vb=vector<bool>;
using vvb=vector<vb>;
const ll inf=1001001001001001001;
const ll INF=1001001001;
const ll mod=1000000007;
const double eps=1e-10;
template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;}
template<class T> void out(T a){cout<<a<<'\n';}
template<class T> void outp(T a){cout<<'('<<a.fi<<','<<a.se<<')'<<'\n';}
template<class T> void outvp(T v){rep(i,v.size())cout<<'('<<v[i].fi<<','<<v[i].se<<')';cout<<'\n';}
template<class T> void outvvp(T v){rep(i,v.size())outvp(v[i]);}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<'\n';}
template<class T> void outvv(T v){rep(i,v.size())outv(v[i]);}
template<class T> bool isin(T x,T l,T r){return (l)<=(x)&&(x)<=(r);}
template<class T> void yesno(T b){if(b)out("yes");else out("no");}
template<class T> void YesNo(T b){if(b)out("Yes");else out("No");}
template<class T> void YESNO(T b){if(b)out("YES");else out("NO");}
template<class T> void outset(T s){auto itr=s.begin();while(itr!=s.end()){if(itr!=s.begin())cout<<' ';cout<<*itr;itr++;}cout<<'\n';}
void outs(ll a,ll b){if(a>=inf-100)out(b);else out(a);}
ll gcd(ll a,ll b){if(b==0)return a;return gcd(b,a%b);}
ll modpow(ll a,ll b){ll res=1;a%=mod;while(b){if(b&1)res=res*a%mod;a=a*a%mod;b>>=1;}return res;}

class segtree{
    ll N=1;
    vi seg;
public:
    segtree(ll n){
        while(N<n)N*=2;
        seg=vi(N*2-1,inf);
    }
    void update(ll i,ll x){
        i+=N-1;
        chmin(seg[i],x);
        while(i>0){
            i=(i-1)>>1;
            seg[i]=min(seg[i*2+1],seg[i*2+2]);
        }
    }
    ll get(ll a,ll b,ll k=0,ll l=0,ll r=-1){
        if(r==-1)r=N;
        if(a<=l&&r<=b)return seg[k];
        if(r<=a||b<=l)return inf;
        return min(get(a,b,k*2+1,l,(l+r)>>1),get(a,b,k*2+2,(l+r)>>1,r));
    }
};
int main(){
    ll n,k;cin>>n>>k;
    vvi v(n,vi(4));
    vi srt;
    rep(i,n){
        rep(j,4)cin>>v[i][j];
        rep(j,3)srt.pb(v[i][j]);
    }
    srt.pb(1);srt.pb(k);
    dupli(srt);
    segtree seg1(srt.size()),seg2(srt.size());
    seg1.update(0,0);
    seg2.update(srt.size()-1,0);
    ll ans=inf;
    rep(i,n){
        ll ml=seg1.get(lb(srt,v[i][0]),lb(srt,v[i][1])+1);
        ll mr=seg2.get(lb(srt,v[i][0]),lb(srt,v[i][1])+1);
        chmin(ans,ml+mr+v[i][3]);
        seg1.update(lb(srt,v[i][2]),ml+v[i][3]);
        seg2.update(lb(srt,v[i][2]),mr+v[i][3]);
    }
    outs(ans,-1);
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 2 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 2 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 4 ms 492 KB Output is correct
18 Correct 4 ms 492 KB Output is correct
19 Correct 4 ms 620 KB Output is correct
20 Correct 4 ms 620 KB Output is correct
21 Correct 2 ms 620 KB Output is correct
22 Correct 4 ms 620 KB Output is correct
23 Correct 4 ms 640 KB Output is correct
24 Correct 4 ms 620 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 2 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 4 ms 492 KB Output is correct
18 Correct 4 ms 492 KB Output is correct
19 Correct 4 ms 620 KB Output is correct
20 Correct 4 ms 620 KB Output is correct
21 Correct 2 ms 620 KB Output is correct
22 Correct 4 ms 620 KB Output is correct
23 Correct 4 ms 640 KB Output is correct
24 Correct 4 ms 620 KB Output is correct
25 Correct 33 ms 2672 KB Output is correct
26 Correct 101 ms 5860 KB Output is correct
27 Correct 305 ms 13796 KB Output is correct
28 Correct 289 ms 15132 KB Output is correct
29 Correct 211 ms 11132 KB Output is correct
30 Correct 349 ms 15200 KB Output is correct
31 Correct 488 ms 22028 KB Output is correct
32 Correct 433 ms 17752 KB Output is correct
33 Correct 60 ms 5092 KB Output is correct
34 Correct 218 ms 15456 KB Output is correct
35 Correct 339 ms 30168 KB Output is correct
36 Correct 515 ms 30424 KB Output is correct
37 Correct 478 ms 30168 KB Output is correct
38 Correct 425 ms 30232 KB Output is correct