oj.uz

답안 #820014

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
820014 2023-08-10T17:38:56 Z winter0101 Pinball (JOI14_pinball) C++14
100 / 100
 376 ms 27756 KB 
#include<bits/stdc++.h>
using namespace std;
#define all(fl) fl.begin(),fl.end()
#define pb push_back
#define fi first
#define se second
#define for1(i,j,k) for(int i=j;i<=k;i++)
#define for2(i,j,k) for(int i=j;i>=k;i--)
#define for3(i,j,k,l) for(int i=j;i<=k;i+=l)
#define lb lower_bound
#define ub upper_bound
#define sz(a) (int)a.size()
#define pii pair<int,int>
#define pli pair<long long,int>
#define gcd __gcd
#define lcm(x,y) x*y/__gcd(x,y)
#define pil pair<int,long long>
#define pll pair<long long,long long>
#define eb emplace_back
const long long inf=1e14+9;
const int maxn=1e5+9;
struct IT{
vector<long long>st;
void build(int id,int l,int r){
st[id]=inf;
if (l==r)return;
int mid=(l+r)/2;
build(id*2,l,mid);
build(id*2+1,mid+1,r);
}
void resz(int n){
st.resize(4*n+9);
build(1,1,n);
}
void update(int id,int l,int r,int u,long long val){
if (l>u||r<u)return;
if (l==r){
    st[id]=min(st[id],val);
    return;
}
int mid=(l+r)/2;
update(id*2,l,mid,u,val);
update(id*2+1,mid+1,r,u,val);
st[id]=min(st[id*2],st[id*2+1]);
}
long long get(int id,int l,int r,int u,int v){
if (l>v||r<u||u>v)return inf;
if (u<=l&&r<=v)return st[id];
int mid=(l+r)/2;
return min(get(id*2,l,mid,u,v),get(id*2+1,mid+1,r,u,v));
}
};
struct pin{
int x,y,z;
long long t;
}a[maxn];
int m,n;
void nen(){
vector<int>t;
t.pb(1),t.pb(n),t.pb(0);
for1(i,1,m){
t.pb(a[i].x);
t.pb(a[i].y);
t.pb(a[i].z);
}
sort(all(t));
map<int,int>d;
for1(i,1,sz(t)-1){
if (t[i]==t[i-1])continue;
d[t[i]]=d[t[i-1]]+1;
n=d[t[i]];
}
for1(i,1,m){
a[i].x=d[a[i].x],a[i].y=d[a[i].y],a[i].z=d[a[i].z];
}
}
void solve(){
IT st1,st2;
st1.resz(n),st2.resz(n);
st1.update(1,1,n,1,0);
st2.update(1,1,n,n,0);
long long ans=inf;
for1(i,1,m){
ans=min(ans,a[i].t+st1.get(1,1,n,a[i].x,a[i].y)+st2.get(1,1,n,a[i].x,a[i].y));
long long v1=a[i].t+st1.get(1,1,n,a[i].x,a[i].y);
long long v2=a[i].t+st2.get(1,1,n,a[i].x,a[i].y);
st1.update(1,1,n,a[i].z,v1),st2.update(1,1,n,a[i].z,v2);
}
if (ans>=inf)ans=-1;
cout<<ans;
}
signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    //freopen("temp.INP","r",stdin);
    //freopen("temp.OUT","w",stdout);
    cin>>m>>n;
    for1(i,1,m)cin>>a[i].x>>a[i].y>>a[i].z>>a[i].t;
    nen();
    solve();
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 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 332 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

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 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 332 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 2 ms 464 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 2 ms 492 KB Output is correct
20 Correct 2 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 2 ms 596 KB Output is correct
23 Correct 2 ms 596 KB Output is correct
24 Correct 2 ms 624 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 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 332 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 2 ms 464 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 2 ms 492 KB Output is correct
20 Correct 2 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 2 ms 596 KB Output is correct
23 Correct 2 ms 596 KB Output is correct
24 Correct 2 ms 624 KB Output is correct
25 Correct 26 ms 2260 KB Output is correct
26 Correct 69 ms 6080 KB Output is correct
27 Correct 195 ms 11572 KB Output is correct
28 Correct 137 ms 6472 KB Output is correct
29 Correct 141 ms 10224 KB Output is correct
30 Correct 190 ms 6484 KB Output is correct
31 Correct 297 ms 17456 KB Output is correct
32 Correct 285 ms 13836 KB Output is correct
33 Correct 43 ms 6040 KB Output is correct
34 Correct 159 ms 14896 KB Output is correct
35 Correct 253 ms 27656 KB Output is correct
36 Correct 374 ms 27756 KB Output is correct
37 Correct 376 ms 27728 KB Output is correct
38 Correct 312 ms 27732 KB Output is correct