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Submission #762947

# Submission time Handle Problem Language Result Execution time Memory
762947 2023-06-22T01:38:52 Z vjudge1 Just Long Neckties (JOI20_ho_t1) C++17
100 / 100
 280 ms 26252 KB 
#include<bits/stdc++.h>
using namespace std;

#define taskname "template"
#define ll long long
#define ld double
#define fi first
#define se second
#define vi vector<int>
#define pii pair<int,int> 
#define vii vector<pii>
#define vvi vector<vi>
#define pb push_back
#define eb emplace_back

mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());

const int MN=2e5+5;

int n;
pair<ll,int> new_arr[MN+1];
ll arr[MN];//the value is new_arr[i]-arr[i]
ll arr2[MN+1];
map<int,int> mp;
ll left_st[MN<<2],right_st[MN<<2];//not update and update

void build(int id,int l,int r){
    if(l==r){
        left_st[id]=arr[l];
        right_st[id]=arr2[l];
        /*
        cout<<"Case "<<l<<' '<<r<<": \n";
        cout<<"left: "<<left_st[id]<<'\n';
        cout<<"right: "<<right_st[id]<<'\n';
        */
        return;
    }
    int mid=l+r>>1;
    build(id<<1,l,mid);
    build(id<<1|1,mid+1,r);

    left_st[id]=max(left_st[id<<1],left_st[id<<1|1]);
    right_st[id]=max(right_st[id<<1],right_st[id<<1|1]);
    /*
    cout<<"Case "<<l<<' '<<r<<": \n";
    cout<<"left: "<<left_st[id]<<'\n';
    cout<<"right: "<<right_st[id]<<'\n';
    */
}

ll get_left(int id,int l,int r,int tl,int tr){
    if(tl>tr) return (ll)0;
    if(tl>r||l>tr) return (ll)0;
    if(tl<=l&&r<=tr) return left_st[id];

    int mid=l+r>>1;
    ll get1=get_left(id<<1,l,mid,tl,tr);
    ll get2=get_left(id<<1|1,mid+1,r,tl,tr);

    return max(get1,get2);
}

ll get_right(int id,int l,int r,int tl,int tr){
    if(tl>tr) return (ll)0;
    if(tl>r||l>tr) return (ll)0;
    if(tl<=l&&r<=tr) return right_st[id];

    int mid=l+r>>1;
    ll get1=get_right(id<<1,l,mid,tl,tr);
    ll get2=get_right(id<<1|1,mid+1,r,tl,tr);

    return max(get1,get2);
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    /*
    freopen(taskname".inp","r",stdin);
    freopen(taskname".out","w",stdout);
    */

    cin>>n;
    for(int i=1;i<=n+1;++i){
        cin>>new_arr[i].fi;
        new_arr[i].se=i;
    }
    for(int i=1;i<=n;++i){
        cin>>arr[i];
    }
    sort(arr+1,arr+1+n);
    sort(new_arr+1,new_arr+1+n+1);

    for(int i=1;i<=n+1;++i){
        mp[new_arr[i].se]=i;
    }
    
    for(int i=2;i<=n+1;++i){
        arr2[i]=max((ll)0,new_arr[i].fi-arr[i-1]);
    }
    for(int i=1;i<=n;++i){
        arr[i]=max((ll)0,new_arr[i].fi-arr[i]);
    }
    /*
    for(int i=1;i<=n+1;++i){
        cout<<arr2[i]<<' ';
    }
    */
    build(1,1,n+1);

    for(int i=1;i<=n+1;++i){
        int idx=mp[i];
        ll get1=get_left(1,1,n+1,1,idx-1);
        ll get2=get_right(1,1,n+1,idx+1,n+1);
        cout<<max(get1,get2)<<' ';
    }
}

Compilation message

ho_t1.cpp: In function 'void build(int, int, int)':
ho_t1.cpp:38:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   38 |     int mid=l+r>>1;
      |             ~^~
ho_t1.cpp: In function 'long long int get_left(int, int, int, int, int)':
ho_t1.cpp:56:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   56 |     int mid=l+r>>1;
      |             ~^~
ho_t1.cpp: In function 'long long int get_right(int, int, int, int, int)':
ho_t1.cpp:68:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   68 |     int mid=l+r>>1;
      |             ~^~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 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 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 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 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 2 ms 608 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 2 ms 480 KB Output is correct
21 Correct 2 ms 596 KB Output is correct
22 Correct 2 ms 476 KB Output is correct
23 Correct 2 ms 468 KB Output is correct
24 Correct 2 ms 524 KB Output is correct
25 Correct 2 ms 596 KB Output is correct
26 Correct 2 ms 596 KB Output is correct
27 Correct 2 ms 596 KB Output is correct
28 Correct 2 ms 596 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 2 ms 516 KB Output is correct
31 Correct 2 ms 596 KB Output is correct
32 Correct 2 ms 596 KB Output is correct

Subtask #3
91.0 / 91.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 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 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 2 ms 608 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 2 ms 480 KB Output is correct
21 Correct 2 ms 596 KB Output is correct
22 Correct 2 ms 476 KB Output is correct
23 Correct 2 ms 468 KB Output is correct
24 Correct 2 ms 524 KB Output is correct
25 Correct 2 ms 596 KB Output is correct
26 Correct 2 ms 596 KB Output is correct
27 Correct 2 ms 596 KB Output is correct
28 Correct 2 ms 596 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 2 ms 516 KB Output is correct
31 Correct 2 ms 596 KB Output is correct
32 Correct 2 ms 596 KB Output is correct
33 Correct 242 ms 25124 KB Output is correct
34 Correct 280 ms 25784 KB Output is correct
35 Correct 245 ms 25148 KB Output is correct
36 Correct 224 ms 25728 KB Output is correct
37 Correct 277 ms 26252 KB Output is correct
38 Correct 276 ms 26064 KB Output is correct
39 Correct 225 ms 24992 KB Output is correct
40 Correct 257 ms 24952 KB Output is correct
41 Correct 221 ms 25040 KB Output is correct
42 Correct 268 ms 25036 KB Output is correct
43 Correct 248 ms 25096 KB Output is correct
44 Correct 215 ms 24384 KB Output is correct
45 Correct 218 ms 24576 KB Output is correct
46 Correct 229 ms 24376 KB Output is correct
47 Correct 202 ms 24856 KB Output is correct
48 Correct 167 ms 24848 KB Output is correct
49 Correct 234 ms 25596 KB Output is correct
50 Correct 236 ms 25468 KB Output is correct
51 Correct 240 ms 25524 KB Output is correct
52 Correct 234 ms 25420 KB Output is correct
53 Correct 253 ms 25492 KB Output is correct