oj.uz

답안 #892584

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
892584 2023-12-25T14:27:10 Z ReLice Pinball (JOI14_pinball) C++17
100 / 100
 663 ms 59476 KB 
#include <bits/stdc++.h>
#define ll long long
#define str string
#define ins insert
#define ld long double
#define pb push_back
#define pf push_front
#define pof pop_front()
#define pob pop_back()
#define lb lower_bound
#define ub upper_bound
#define endl "\n"
#define fr first
#define sc second
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define sz size()
#define bc back()
#define ar array
#define vll vector<ll> 
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template <class _T>
bool chmin(_T &x, const _T &y){
    if(x>y){
        x=y;
        return true;
    }
    return false;
}
template <class _T>
bool chmax(_T &x, const _T &y){
    bool flag=false;
    if (x<y){
        x=y;flag|=true;
    }
    return flag;
}
#define ordered_set tree<ll, null_type,less_equal<ll>, rb_tree_tag,tree_order_statistics_node_update>
void fre(string s){freopen((s+".in").c_str(),"r",stdin);freopen((s+".out").c_str(),"w",stdout);}
void start(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}
const ll inf=2e18+7;
const ll mod=1e9+7;
const ll N=3e5+7;
const ld eps=1e-9;
vll t(N*4,inf),t2(N*4,inf);
void upd(ll id,ll v,ll tl,ll tr,ll pos,ll val){
	if(tl>pos || tr<pos)return;
	if(tl==tr){
		if(id==1)chmin(t[v],val);
		else chmin(t2[v],val);
		return;
	}
	ll tm=(tl+tr)/2;
	upd(id,v*2,tl,tm,pos,val);
	upd(id,v*2+1,tm+1,tr,pos,val);
	t[v]=min(t[v*2],t[v*2+1]);
	t2[v]=min(t2[v*2],t2[v*2+1]);
}
ll get(ll id,ll v,ll tl,ll tr,ll l,ll r){
	if(tl>r || tr<l)return inf;
	if(l<=tl && tr<=r)return (id==1 ? t[v] : t2[v]);
	ll tm=(tl+tr)/2;
	return min(get(id,v*2,tl,tm,l,r),get(id,v*2+1,tm+1,tr,l,r));
}
void solve(){
	ll i,j;
	ll n,m; 
	cin>>n>>m;
	set<ll> s;
	s.ins(1);
	s.ins(m);
	vector<ar<ll,4>> v(1);
	ar<ll,4> x;
	for(i=1;i<=n;i++){
		for(j=0;j<4;j++){
			cin>>x[j];
			if(j<3)s.ins(x[j]);
		}
		v.pb(x);
	}
	map<ll,ll> pos;
	ll c=1;
	for(auto i : s){
		pos[i]=c;
		c++;
	}
	m=s.sz;
	for(i=1;i<=n;i++){
		for(j=0;j<3;j++){
			v[i][j]=pos[v[i][j]];
		}
	}
	upd(1,1,1,s.sz,1,0);
	upd(2,1,1,s.sz,s.sz,0);
	ll ans=inf;
	for(i=1;i<=n;i++){
		ll x=get(1,1,1,s.sz,v[i][0],v[i][1]),y=get(2,1,1,s.sz,v[i][0],v[i][1]);
		upd(1,1,1,s.sz,v[i][2],x+v[i][3]);
		upd(2,1,1,s.sz,v[i][2],y+v[i][3]);
		ans=min(ans,x+y+v[i][3]);
	}
	for(i=1;i<=(ll)s.sz;i++){
		ans=min(ans,get(1,1,1,s.sz,i,i)+get(2,1,1,s.sz,i,i));
	}
	if(ans==inf)cout<<-1<<endl;
	else cout<<ans<<endl;
}
signed main(){
	start();
    ll t=1;
	//cin>>t;
    while(t--) solve();
    return 0;
}
/*
1
6
5 4 3 2 1 0





*/

Compilation message

pinball.cpp: In function 'void fre(std::string)':
pinball.cpp:42:27: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 | void fre(string s){freopen((s+".in").c_str(),"r",stdin);freopen((s+".out").c_str(),"w",stdout);}
      |                    ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pinball.cpp:42:64: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 | void fre(string s){freopen((s+".in").c_str(),"r",stdin);freopen((s+".out").c_str(),"w",stdout);}
      |                                                         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 19036 KB Output is correct
2 Correct 4 ms 19036 KB Output is correct
3 Correct 4 ms 19228 KB Output is correct
4 Correct 4 ms 19036 KB Output is correct
5 Correct 4 ms 19032 KB Output is correct
6 Correct 4 ms 19036 KB Output is correct
7 Correct 4 ms 19036 KB Output is correct
8 Correct 4 ms 19036 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 19036 KB Output is correct
2 Correct 4 ms 19036 KB Output is correct
3 Correct 4 ms 19228 KB Output is correct
4 Correct 4 ms 19036 KB Output is correct
5 Correct 4 ms 19032 KB Output is correct
6 Correct 4 ms 19036 KB Output is correct
7 Correct 4 ms 19036 KB Output is correct
8 Correct 4 ms 19036 KB Output is correct
9 Correct 5 ms 19036 KB Output is correct
10 Correct 5 ms 19292 KB Output is correct
11 Correct 5 ms 19292 KB Output is correct
12 Correct 5 ms 19180 KB Output is correct
13 Correct 4 ms 19288 KB Output is correct
14 Correct 6 ms 19288 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 19036 KB Output is correct
2 Correct 4 ms 19036 KB Output is correct
3 Correct 4 ms 19228 KB Output is correct
4 Correct 4 ms 19036 KB Output is correct
5 Correct 4 ms 19032 KB Output is correct
6 Correct 4 ms 19036 KB Output is correct
7 Correct 4 ms 19036 KB Output is correct
8 Correct 4 ms 19036 KB Output is correct
9 Correct 5 ms 19036 KB Output is correct
10 Correct 5 ms 19292 KB Output is correct
11 Correct 5 ms 19292 KB Output is correct
12 Correct 5 ms 19180 KB Output is correct
13 Correct 4 ms 19288 KB Output is correct
14 Correct 6 ms 19288 KB Output is correct
15 Correct 5 ms 19036 KB Output is correct
16 Correct 5 ms 19292 KB Output is correct
17 Correct 6 ms 19260 KB Output is correct
18 Correct 5 ms 19292 KB Output is correct
19 Correct 6 ms 19548 KB Output is correct
20 Correct 5 ms 19276 KB Output is correct
21 Correct 5 ms 19292 KB Output is correct
22 Correct 9 ms 19548 KB Output is correct
23 Correct 6 ms 19544 KB Output is correct
24 Correct 8 ms 19544 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 19036 KB Output is correct
2 Correct 4 ms 19036 KB Output is correct
3 Correct 4 ms 19228 KB Output is correct
4 Correct 4 ms 19036 KB Output is correct
5 Correct 4 ms 19032 KB Output is correct
6 Correct 4 ms 19036 KB Output is correct
7 Correct 4 ms 19036 KB Output is correct
8 Correct 4 ms 19036 KB Output is correct
9 Correct 5 ms 19036 KB Output is correct
10 Correct 5 ms 19292 KB Output is correct
11 Correct 5 ms 19292 KB Output is correct
12 Correct 5 ms 19180 KB Output is correct
13 Correct 4 ms 19288 KB Output is correct
14 Correct 6 ms 19288 KB Output is correct
15 Correct 5 ms 19036 KB Output is correct
16 Correct 5 ms 19292 KB Output is correct
17 Correct 6 ms 19260 KB Output is correct
18 Correct 5 ms 19292 KB Output is correct
19 Correct 6 ms 19548 KB Output is correct
20 Correct 5 ms 19276 KB Output is correct
21 Correct 5 ms 19292 KB Output is correct
22 Correct 9 ms 19548 KB Output is correct
23 Correct 6 ms 19544 KB Output is correct
24 Correct 8 ms 19544 KB Output is correct
25 Correct 33 ms 21204 KB Output is correct
26 Correct 93 ms 26052 KB Output is correct
27 Correct 244 ms 33616 KB Output is correct
28 Correct 130 ms 25072 KB Output is correct
29 Correct 186 ms 30788 KB Output is correct
30 Correct 223 ms 24224 KB Output is correct
31 Correct 425 ms 41372 KB Output is correct
32 Correct 333 ms 39968 KB Output is correct
33 Correct 77 ms 26824 KB Output is correct
34 Correct 229 ms 39104 KB Output is correct
35 Correct 368 ms 58932 KB Output is correct
36 Correct 663 ms 59476 KB Output is correct
37 Correct 507 ms 59064 KB Output is correct
38 Correct 520 ms 59020 KB Output is correct