답안 #767133

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
767133 2023-06-26T12:13:32 Z bachhoangxuan Pinball (JOI14_pinball) C++17
100 / 100
144 ms 14536 KB
// Judges with GCC >= 12 only needs Ofast
// #pragma GCC optimize("O3,no-stack-protector,fast-math,unroll-loops,tree-vectorize")
// MLE optimization
// #pragma GCC optimize("conserve-stack")
// Old judges
// #pragma GCC target("sse4.2,popcnt,lzcnt,abm,mmx,fma,bmi,bmi2")
// New judges. Test with assert(__builtin_cpu_supports("avx2"));
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
// Atcoder
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma")
/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
- insert(x),erase(x)
- find_by_order(k): return iterator to the k-th smallest element
- order_of_key(x): the number of elements that are strictly smaller
*/
#include<bits/stdc++.h>
using namespace std;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
uniform_real_distribution<> pp(0.0,1.0);
#define int long long
#define ld long double
#define pii pair<int,int>
#define piii pair<pii,int>
#define mpp make_pair
#define fi first
#define se second
const int inf=1e18;
const int mod=1e9+7;
const int maxn=200005;
const int bl=650;
const int maxs=655;
const int maxm=200005;
const int maxq=500005;
const int maxl=20;
const int maxa=250000;
const int root=3;
int power(int a,int n){
    int res=1;
    while(n){
        if(n&1) res=res*a%mod;
        a=a*a%mod;n>>=1;
    }
    return res;
}
const int iroot=power(3,mod-2);
const int base=101;
struct Segtree{
    vector<int> tree;
    Segtree(int n=0){
        tree.assign(4*n,inf);
    }
    void update(int l,int r,int id,int pos,int val){
        if(l==r){tree[id]=min(tree[id],val);return;}
        int mid=(l+r)>>1;
        if(pos<=mid) update(l,mid,id<<1,pos,val);
        else update(mid+1,r,id<<1|1,pos,val);
        tree[id]=min(tree[id<<1],tree[id<<1|1]);
    }
    int query(int l,int r,int id,int tl,int tr){
        if(r<tl || tr<l) return inf;
        if(tl<=l && r<=tr) return tree[id];
        int mid=(l+r)>>1;
        return min(query(l,mid,id<<1,tl,tr),query(mid+1,r,id<<1|1,tl,tr));
    }
};
void solve(){
    int m,n;cin >> m >> n;
    vector<int> com;
    vector<int> a(m),b(m),c(m),d(m);
    for(int i=0;i<m;i++){
        cin >> a[i] >> b[i] >> c[i] >> d[i];
        com.push_back(c[i]);
    }
    sort(com.begin(),com.end());
    com.erase(unique(com.begin(),com.end()),com.end());
    int sz=(int)com.size(),ans=inf;
    Segtree lt(sz),rt(sz);
    for(int i=0;i<m;i++){
        int l=lower_bound(com.begin(),com.end(),a[i])-com.begin()+1;
        int r=upper_bound(com.begin(),com.end(),b[i])-com.begin();
        int p=lower_bound(com.begin(),com.end(),c[i])-com.begin()+1;
        int cl=(a[i]==1?0:inf),cr=(b[i]==n?0:inf);
        if(l<=r){
            cl=min(cl,lt.query(1,sz,1,l,r));
            cr=min(cr,rt.query(1,sz,1,l,r));
        }
        ans=min(ans,d[i]+cl+cr);
        lt.update(1,sz,1,p,d[i]+cl);
        rt.update(1,sz,1,p,d[i]+cr);
    }
    cout << (ans==inf?-1:ans) << '\n';
}
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    int test=1;//cin >> test;
    while(test--) solve();
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 464 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 464 KB Output is correct
25 Correct 11 ms 1600 KB Output is correct
26 Correct 32 ms 3544 KB Output is correct
27 Correct 91 ms 8484 KB Output is correct
28 Correct 85 ms 8136 KB Output is correct
29 Correct 63 ms 6616 KB Output is correct
30 Correct 110 ms 8628 KB Output is correct
31 Correct 138 ms 12744 KB Output is correct
32 Correct 133 ms 11732 KB Output is correct
33 Correct 18 ms 3124 KB Output is correct
34 Correct 70 ms 7472 KB Output is correct
35 Correct 88 ms 14460 KB Output is correct
36 Correct 144 ms 14412 KB Output is correct
37 Correct 120 ms 14532 KB Output is correct
38 Correct 116 ms 14536 KB Output is correct