oj.uz

답안 #1063186

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1063186 2024-08-17T14:58:11 Z new_acc 식물 비교 (IOI20_plants) C++14
100 / 100
 974 ms 93012 KB 
#include<bits/stdc++.h>
#include "plants.h"
#define fi first
#define se second
#define pitem item*
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<ll> vl;
const int N=4e5+10;
const int SS=1<<19;
const int INFi=1e9;
const ll INFl=1e16;
const ll mod2=998244353;
const ll mod=1e9+7;
const ll mod3=2027865967;
const ll p=70032301;
const ull p2=913;
const int L=20;
int t[N],n,lazy[SS*2+10],k,li,t2[N],g[N],jp[N][L],jp2[N][L];
pair<int,int> seg[SS*2+10];
void push(int v){
    seg[v*2].fi+=lazy[v],seg[v*2+1].fi+=lazy[v];
    lazy[v*2]+=lazy[v],lazy[v*2+1]+=lazy[v];
    lazy[v]=0;
}
void upd(int a,int b,int x,int p=0,int k=SS-1,int v=1){
    if(p>b or k<a) return;
    if(p>=a and k<=b){
        lazy[v]+=x,seg[v].fi+=x;
        return;
    }
    int sr=(p+k)/2;
    push(v);
    upd(a,b,x,p,sr,v*2),upd(a,b,x,sr+1,k,v*2+1);
    if(seg[v*2].fi<seg[v*2+1].fi) seg[v]=seg[v*2];
    else seg[v]=seg[v*2+1];
}
pair<int,int> qr(int a,int b,int p=0,int k=SS-1,int v=1){
    if(p>b or k<a) return {INFi,-1};
    if(p>=a and k<=b) return seg[v];
    push(v);
    int sr=(p+k)/2;
    pair<int,int> q1=qr(a,b,p,sr,v*2),q2=qr(a,b,sr+1,k,v*2+1);
    if(q1.fi<q2.fi) return q1;
    return q2;
}
void build(int v){
    lazy[v]=0;
    if(v>=SS){
        int id=v-SS;
        if(id>=1 and id<=n) seg[v]={t[id],id};
        else seg[v]={INFi,id};
    }else{
        build(v*2),build(v*2+1);
        if(seg[v*2].fi<seg[v*2+1].fi) seg[v]=seg[v*2];
        else seg[v]=seg[v*2+1];
    }
}
void zn(int a){
    if(a>=k){
        pair<int,int> xd=qr(a-k+1,a-1);
        while(xd.fi==0){
            zn(xd.se);
            xd=qr(a-k+1,a-1);
        }
        t2[a]=--li;
    }else{
        pair<int,int> xd=qr(1,a-1);
        if(xd.fi!=0) xd=qr(n-(k-a)+1,n);
        while(xd.fi==0){
            zn(xd.se);
            xd=qr(1,a-1);
            if(xd.fi!=0) xd=qr(n-(k-a)+1,n);
        }
        t2[a]=--li;
    }
    if(a>=k) upd(a-k+1,a-1,-1);
    else{
        upd(1,a-1,-1);
        upd(n-(k-a)+1,n,-1);
    }
    upd(a,a,INFi);
}
void init(int kk,vi r){
    k=kk;
    n=r.size();
    for(int i=1;i<=n;i++) t[i]=r[i-1];
    build(1);
    li=n+1;
    pair<int,int> curr=qr(1,n);
    while(curr.fi==0){
        zn(curr.se);
        curr=qr(1,n);
    }
    for(int i=n+1;i<=n*2;i++) t2[i]=t2[i-n];        
    for(int i=1;i<=n;i++) g[t2[i]]=i;
    n*=2;
    for(int i=1;i<=n;i++) t[i]=INFi;
    build(1);
    n/=2;
    for(int i=n;i>=1;i--){
        upd(g[i],g[i],-INFi+i); 
        upd(g[i]+n,g[i]+n,-INFi+i); 
        pair<int,int> xd=qr(g[i]+1,g[i]+k-1);
        if(xd.fi>=INFi) jp[g[i]][0]=g[i],jp[g[i]+n][0]=n+g[i];
        else{
            jp[g[i]][0]=xd.se;
            if(xd.se<=n) jp[g[i]+n][0]=xd.se+n;
            else jp[g[i]+n][0]=g[i]+n;
        }
        xd=qr(g[i]+n-k+1,g[i]+n-1);
        if(xd.fi>=INFi) jp2[g[i]][0]=g[i],jp2[g[i]+n][0]=n+g[i];
        else{
            jp2[g[i]+n][0]=xd.se;
            if(xd.se>n) jp2[g[i]][0]=xd.se-n;
            else jp2[g[i]][0]=g[i];
        }
    }
    //for(int i=1;i<=n;i++) cout<<t2[i]<<" ";
    //cout<<"\n";
    //for(int i=1;i<=n;i++) cout<<jp[i][0]<<" ";
    //cout<<"\n";
    for(int i2=1;i2<L;i2++){
        for(int i=1;i<=n*2;i++){
            jp[i][i2]=jp[jp[i][i2-1]][i2-1];
            jp2[i][i2]=jp2[jp2[i][i2-1]][i2-1];
        }
    }
}
int compare_plants(int x,int y){
    x++,y++;
    int curr=x; 
    for(int i=L-1;i>=0;i--)
        if(jp[curr][i]<=y) curr=jp[curr][i];
    int curr2=y;
    for(int i=L-1;i>=0;i--)
        if(jp[curr2][i]<=x+n) curr2=jp[curr2][i];
    if(t2[curr]<=t2[y] and y-curr<k) return -1;
    if(t2[curr2]<=t2[x+n] and x+n-curr2<k) return 1;
    curr=y; 
    for(int i=L-1;i>=0;i--){
        if(jp2[curr][i]>=x) curr=jp2[curr][i];
    }
    curr2=x+n;
    for(int i=L-1;i>=0;i--){
        if(jp2[curr2][i]>=y) curr2=jp2[curr2][i];
    }
    if(t2[curr]<=t2[x] and curr-x<k) return 1;
    if(t2[curr2]<=t2[y] and curr2-y<k) return -1;
    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 19032 KB Output is correct
2 Correct 7 ms 19036 KB Output is correct
3 Correct 7 ms 19084 KB Output is correct
4 Correct 7 ms 19036 KB Output is correct
5 Correct 8 ms 19036 KB Output is correct
6 Correct 62 ms 21692 KB Output is correct
7 Correct 101 ms 28240 KB Output is correct
8 Correct 449 ms 83972 KB Output is correct
9 Correct 508 ms 83792 KB Output is correct
10 Correct 451 ms 84052 KB Output is correct
11 Correct 467 ms 85072 KB Output is correct
12 Correct 485 ms 87124 KB Output is correct
13 Correct 482 ms 90192 KB Output is correct
14 Correct 461 ms 83796 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 19032 KB Output is correct
2 Correct 7 ms 18968 KB Output is correct
3 Correct 7 ms 19036 KB Output is correct
4 Correct 7 ms 19064 KB Output is correct
5 Correct 7 ms 19036 KB Output is correct
6 Correct 10 ms 19036 KB Output is correct
7 Correct 69 ms 25748 KB Output is correct
8 Correct 8 ms 19032 KB Output is correct
9 Correct 14 ms 19100 KB Output is correct
10 Correct 82 ms 25684 KB Output is correct
11 Correct 88 ms 25684 KB Output is correct
12 Correct 70 ms 25936 KB Output is correct
13 Correct 69 ms 25680 KB Output is correct

Subtask #3
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 19032 KB Output is correct
2 Correct 7 ms 18968 KB Output is correct
3 Correct 7 ms 19036 KB Output is correct
4 Correct 7 ms 19064 KB Output is correct
5 Correct 7 ms 19036 KB Output is correct
6 Correct 10 ms 19036 KB Output is correct
7 Correct 69 ms 25748 KB Output is correct
8 Correct 8 ms 19032 KB Output is correct
9 Correct 14 ms 19100 KB Output is correct
10 Correct 82 ms 25684 KB Output is correct
11 Correct 88 ms 25684 KB Output is correct
12 Correct 70 ms 25936 KB Output is correct
13 Correct 69 ms 25680 KB Output is correct
14 Correct 119 ms 30544 KB Output is correct
15 Correct 894 ms 87632 KB Output is correct
16 Correct 129 ms 30292 KB Output is correct
17 Correct 974 ms 87632 KB Output is correct
18 Correct 697 ms 90196 KB Output is correct
19 Correct 671 ms 87636 KB Output is correct
20 Correct 866 ms 87636 KB Output is correct

Subtask #4
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 19036 KB Output is correct
2 Correct 11 ms 19036 KB Output is correct
3 Correct 116 ms 18092 KB Output is correct
4 Correct 603 ms 87888 KB Output is correct
5 Correct 621 ms 87376 KB Output is correct
6 Correct 770 ms 87124 KB Output is correct
7 Correct 762 ms 87268 KB Output is correct
8 Correct 814 ms 87636 KB Output is correct
9 Correct 619 ms 87632 KB Output is correct
10 Correct 564 ms 87456 KB Output is correct
11 Correct 490 ms 93012 KB Output is correct
12 Correct 497 ms 86868 KB Output is correct
13 Correct 660 ms 91472 KB Output is correct

Subtask #5
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 19036 KB Output is correct
2 Correct 8 ms 19036 KB Output is correct
3 Correct 7 ms 19036 KB Output is correct
4 Correct 7 ms 19036 KB Output is correct
5 Correct 7 ms 19088 KB Output is correct
6 Correct 8 ms 19036 KB Output is correct
7 Correct 20 ms 19944 KB Output is correct
8 Correct 18 ms 19804 KB Output is correct
9 Correct 21 ms 19804 KB Output is correct
10 Correct 18 ms 19800 KB Output is correct
11 Correct 24 ms 19800 KB Output is correct
12 Correct 20 ms 19804 KB Output is correct
13 Correct 23 ms 20056 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 19032 KB Output is correct
2 Correct 7 ms 19032 KB Output is correct
3 Correct 7 ms 19036 KB Output is correct
4 Correct 7 ms 19036 KB Output is correct
5 Correct 9 ms 19036 KB Output is correct
6 Correct 549 ms 86068 KB Output is correct
7 Correct 649 ms 86360 KB Output is correct
8 Correct 704 ms 86592 KB Output is correct
9 Correct 828 ms 86656 KB Output is correct
10 Correct 509 ms 86896 KB Output is correct
11 Correct 660 ms 86864 KB Output is correct
12 Correct 503 ms 87892 KB Output is correct
13 Correct 592 ms 86608 KB Output is correct
14 Correct 630 ms 86440 KB Output is correct
15 Correct 726 ms 86352 KB Output is correct
16 Correct 486 ms 86864 KB Output is correct
17 Correct 534 ms 86352 KB Output is correct

Subtask #7
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 19032 KB Output is correct
2 Correct 7 ms 19036 KB Output is correct
3 Correct 7 ms 19084 KB Output is correct
4 Correct 7 ms 19036 KB Output is correct
5 Correct 8 ms 19036 KB Output is correct
6 Correct 62 ms 21692 KB Output is correct
7 Correct 101 ms 28240 KB Output is correct
8 Correct 449 ms 83972 KB Output is correct
9 Correct 508 ms 83792 KB Output is correct
10 Correct 451 ms 84052 KB Output is correct
11 Correct 467 ms 85072 KB Output is correct
12 Correct 485 ms 87124 KB Output is correct
13 Correct 482 ms 90192 KB Output is correct
14 Correct 461 ms 83796 KB Output is correct
15 Correct 7 ms 19032 KB Output is correct
16 Correct 7 ms 18968 KB Output is correct
17 Correct 7 ms 19036 KB Output is correct
18 Correct 7 ms 19064 KB Output is correct
19 Correct 7 ms 19036 KB Output is correct
20 Correct 10 ms 19036 KB Output is correct
21 Correct 69 ms 25748 KB Output is correct
22 Correct 8 ms 19032 KB Output is correct
23 Correct 14 ms 19100 KB Output is correct
24 Correct 82 ms 25684 KB Output is correct
25 Correct 88 ms 25684 KB Output is correct
26 Correct 70 ms 25936 KB Output is correct
27 Correct 69 ms 25680 KB Output is correct
28 Correct 119 ms 30544 KB Output is correct
29 Correct 894 ms 87632 KB Output is correct
30 Correct 129 ms 30292 KB Output is correct
31 Correct 974 ms 87632 KB Output is correct
32 Correct 697 ms 90196 KB Output is correct
33 Correct 671 ms 87636 KB Output is correct
34 Correct 866 ms 87636 KB Output is correct
35 Correct 7 ms 19036 KB Output is correct
36 Correct 11 ms 19036 KB Output is correct
37 Correct 116 ms 18092 KB Output is correct
38 Correct 603 ms 87888 KB Output is correct
39 Correct 621 ms 87376 KB Output is correct
40 Correct 770 ms 87124 KB Output is correct
41 Correct 762 ms 87268 KB Output is correct
42 Correct 814 ms 87636 KB Output is correct
43 Correct 619 ms 87632 KB Output is correct
44 Correct 564 ms 87456 KB Output is correct
45 Correct 490 ms 93012 KB Output is correct
46 Correct 497 ms 86868 KB Output is correct
47 Correct 660 ms 91472 KB Output is correct
48 Correct 7 ms 19036 KB Output is correct
49 Correct 8 ms 19036 KB Output is correct
50 Correct 7 ms 19036 KB Output is correct
51 Correct 7 ms 19036 KB Output is correct
52 Correct 7 ms 19088 KB Output is correct
53 Correct 8 ms 19036 KB Output is correct
54 Correct 20 ms 19944 KB Output is correct
55 Correct 18 ms 19804 KB Output is correct
56 Correct 21 ms 19804 KB Output is correct
57 Correct 18 ms 19800 KB Output is correct
58 Correct 24 ms 19800 KB Output is correct
59 Correct 20 ms 19804 KB Output is correct
60 Correct 23 ms 20056 KB Output is correct
61 Correct 69 ms 25496 KB Output is correct
62 Correct 111 ms 30288 KB Output is correct
63 Correct 518 ms 86868 KB Output is correct
64 Correct 556 ms 86868 KB Output is correct
65 Correct 667 ms 87124 KB Output is correct
66 Correct 735 ms 87376 KB Output is correct
67 Correct 832 ms 87396 KB Output is correct
68 Correct 585 ms 87888 KB Output is correct
69 Correct 692 ms 87888 KB Output is correct
70 Correct 561 ms 88404 KB Output is correct
71 Correct 611 ms 87380 KB Output is correct
72 Correct 683 ms 87120 KB Output is correct
73 Correct 738 ms 87284 KB Output is correct
74 Correct 505 ms 86828 KB Output is correct
75 Correct 555 ms 87120 KB Output is correct