oj.uz

Submission #896620

# Submission time Handle Problem Language Result Execution time Memory
896620 2024-01-01T18:27:09 Z Aiperiii Pinball (JOI14_pinball) C++14
100 / 100
 601 ms 46520 KB 
#include <bits/stdc++.h>
#define int long long
#define all(x) x.begin(),x.end()
#define ff first
#define ss second
#define pb push_back
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
const int N=3e5+5;
int l[N*4],r[N*4];
void build(int v,int tl,int tr){
    if(tl==tr){
        l[v]=1e16;
        r[v]=1e16;
    }
    else{
        int tm=(tl+tr)/2;
        build(v*2,tl,tm);
        build(v*2+1,tm+1,tr);
        l[v]=min(l[v*2],l[v*2+1]);
        r[v]=min(r[v*2],r[v*2+1]);
    }
}
int get_min_l(int v,int tl,int tr,int L,int R){
    if(tr<L or R<tl)return 1e18;
    if(L<=tl && tr<=R)return l[v];
    int tm=(tl+tr)/2;
    return min(get_min_l(v*2,tl,tm,L,R), get_min_l(v*2+1,tm+1,tr,L,R));
}
int get_min_r(int v,int tl,int tr,int L,int R){
    if(tr<L or R<tl)return 1e18;
    if(L<=tl && tr<=R)return r[v];
    int tm=(tl+tr)/2;
    return min(get_min_r(v*2,tl,tm,L,R), get_min_r(v*2+1,tm+1,tr,L,R));
}
void update_l(int v,int tl,int tr,int pos,int val){
    if(tl==tr)l[v]=min(val,l[v]);
    else{
        int tm=(tl+tr)/2;
        if(pos<=tm)update_l(v*2,tl,tm,pos,val);
        else update_l(v*2+1,tm+1,tr,pos,val);
        l[v]=min(l[v*2],l[v*2+1]);
    }
}
void update_r(int v,int tl,int tr,int pos,int val){
    if(tl==tr)r[v]=min(val,r[v]);
    else{
        int tm=(tl+tr)/2;
        if(pos<=tm)update_r(v*2,tl,tm,pos,val);
        else update_r(v*2+1,tm+1,tr,pos,val);
        r[v]=min(r[v*2],r[v*2+1]);
    }
}
signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);
    int m,T;
    cin>>m>>T;
    vector <int> a(m),b(m),c(m),d(m);
    set <int> st;
    vector <int> uni;
    uni.pb(1);uni.pb(T);
    for(int i=0;i<m;i++){
        cin>>a[i]>>b[i]>>c[i]>>d[i];
        uni.pb(a[i]);
        uni.pb(b[i]);
        uni.pb(c[i]);
    }
    int cnt=1;
    sort(all(uni));
    map <int,int> val_ind;
    val_ind[1]=cnt;
    for(int i=1;i<uni.size();i++){
        if(uni[i]!=uni[i-1]){
            cnt++;
            val_ind[uni[i]]=cnt;
        }
    }
    
    int n=cnt;
    build(1,1,n);
    
    int ans=1e16;
    for(int i=0;i<m;i++){
        int res=0;
        if(a[i]==1){
            res+=d[i];
            update_l(1,1,n,val_ind[c[i]],d[i]);
        }
        else{
            int x=get_min_l(1,1,n,val_ind[a[i]],val_ind[b[i]]);
            res+=x;res+=d[i];
            update_l(1,1,n,val_ind[c[i]],x+d[i]);
        }
        if(b[i]==T){
            res+=d[i];
            update_r(1,1,n,val_ind[c[i]],d[i]);
        }
        else{
            int x=get_min_r(1,1,n,val_ind[a[i]],val_ind[b[i]]);
            res+=x;res+=d[i];
            update_r(1,1,n,val_ind[c[i]],x+d[i]);
        }
        ans=min(ans,res-d[i]);
    }
    if(ans==1e16)ans=-1;
    cout<<ans<<"\n";
}

Compilation message

pinball.cpp: In function 'int main()':
pinball.cpp:74:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |     for(int i=1;i<uni.size();i++){
      |                 ~^~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2488 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2488 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2492 KB Output is correct
11 Correct 1 ms 2496 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2488 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2492 KB Output is correct
11 Correct 1 ms 2496 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2496 KB Output is correct
17 Correct 3 ms 2652 KB Output is correct
18 Correct 2 ms 2396 KB Output is correct
19 Correct 3 ms 2648 KB Output is correct
20 Correct 3 ms 2648 KB Output is correct
21 Correct 2 ms 2652 KB Output is correct
22 Correct 3 ms 2652 KB Output is correct
23 Correct 3 ms 2756 KB Output is correct
24 Correct 3 ms 2652 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2488 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2492 KB Output is correct
11 Correct 1 ms 2496 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2496 KB Output is correct
17 Correct 3 ms 2652 KB Output is correct
18 Correct 2 ms 2396 KB Output is correct
19 Correct 3 ms 2648 KB Output is correct
20 Correct 3 ms 2648 KB Output is correct
21 Correct 2 ms 2652 KB Output is correct
22 Correct 3 ms 2652 KB Output is correct
23 Correct 3 ms 2756 KB Output is correct
24 Correct 3 ms 2652 KB Output is correct
25 Correct 27 ms 6628 KB Output is correct
26 Correct 79 ms 10184 KB Output is correct
27 Correct 239 ms 18440 KB Output is correct
28 Correct 216 ms 10532 KB Output is correct
29 Correct 166 ms 16320 KB Output is correct
30 Correct 267 ms 14652 KB Output is correct
31 Correct 382 ms 29772 KB Output is correct
32 Correct 346 ms 21944 KB Output is correct
33 Correct 57 ms 9932 KB Output is correct
34 Correct 202 ms 24276 KB Output is correct
35 Correct 358 ms 46168 KB Output is correct
36 Correct 601 ms 46240 KB Output is correct
37 Correct 493 ms 46520 KB Output is correct
38 Correct 449 ms 46460 KB Output is correct