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답안 #1005086

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1005086 2024-06-22T07:03:59 Z modwwe Tourism (JOI23_tourism) C++17
28 / 100
 5000 ms 26492 KB 
///https://www.instagram.com/_modwwe/
#pragma GCC optimize("O3")
#pragma GCC optimize("O1")
#pragma GCC optimize("O1")
#pragma GCC target("avx2")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx")
#pragma GCC optimize(3)
#pragma GCC optimize("Ofast")
#pragma GCC optimize("inline")
#pragma GCC optimize("-fgcse")
#pragma GCC optimize("-fgcse-lm")
#pragma GCC optimize("-fipa-sra")
#pragma GCC optimize("-ftree-pre")
#pragma GCC optimize("-ftree-vrp")
#pragma GCC optimize("-fpeephole2")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-fsched-spec")
#pragma GCC optimize("-falign-jumps")
#pragma GCC optimize("-falign-loops")
#pragma GCC optimize("-falign-labels")
#pragma GCC optimize("-fdevirtualize")
#pragma GCC optimize("-fcaller-saves")
#pragma GCC optimize("-fcrossjumping")
#pragma GCC optimize("-fthread-jumps")
#pragma GCC optimize("-freorder-blocks")
#pragma GCC optimize("-fschedule-insns")
#pragma GCC optimize("inline-functions")
#pragma GCC optimize("-ftree-tail-merge")
#pragma GCC optimize("-fschedule-insns2")
#pragma GCC optimize("-fstrict-aliasing")
#pragma GCC optimize("-falign-functions")
#pragma GCC optimize("-fcse-follow-jumps")
#pragma GCC optimize("-fsched-interblock")
#pragma GCC optimize("-fpartial-inlining")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("-freorder-functions")
#pragma GCC optimize("-findirect-inlining")
#pragma GCC optimize("-fhoist-adjacent-loads")
#pragma GCC optimize("-frerun-cse-after-loop")
#pragma GCC optimize("inline-small-functions")
#pragma GCC optimize("-finline-small-functions")
#pragma GCC optimize("-ftree-switch-conversion")
#pragma GCC optimize("-foptimize-sibling-calls")
#pragma GCC optimize("-fexpensive-optimizations")
#pragma GCC optimize("inline-functions-called-once")
#pragma GCC optimize("-fdelete-null-pointer-checks")
#pragma GCC target("avx,avx2,sse,sse2,sse3,ssse3,sse4,sse4.1,sse4.2,mmx,abm")
#include<bits/stdc++.h>
//#define int long long
//#define ll long long
#define down cout<<'\n';
#define NHP     ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
void phongbeo();
const int mod2=1e9+7;
const int  mod1=998244353;
struct icd
{
    int a,b;
};
struct ib
{
    int a;
    int b;
};
struct ic
{
    int a,b,c;
};
struct id
{
    int a,b,c,d;
};
struct ie
{
    int a,b,c, d,e,f;

};
int n,m,s1,s2,s4,s3,sf,k,r,mid,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,l;
int  i,s10,s12;
int el=29;
main()
{
#ifndef ONLINE_JUDGE
  //  fin(task),fou(task);
#endif
    NHP
    /// cin>>s1;
    // modwwe
    phongbeo();
}
ic t[400007];
int depth[100007];
ic a[100007];
int c[100007];
ib euler[100007];
int d[100007];
int st[17][100007];
int ans[1000007];
int S;
int b[100007];
vector<int> v[100007];
int e[100007];
int lz[400007];
int pre[400007];
int nxt[100007];
bool cmp(ic a,ic b)
{
    if(a.a/S==b.a/S) return a.b<b.b;
    return        a.a/S<b.a/S;
}
void build(int node,int l,int r)
{
    t[node]= {0,n+1,0};
    if(l==r)return;
    int mid=l+r>>1;
    build(node<<1,l,mid);
    build(node<<1|1,mid+1,r);
}

void upd(int node,int l,int r,int l1,int r1,int cc)
{
    if(l>r1||r<l1) return;
    if(l>=l1&&r<=r1)
    {
        t[node].c+=cc;
        s10=t[node].c;
        if(t[node].c>0) t[node]= {l,r,t[node].c};
        else t[node]= {0,n+1,0};
        return;
    }
    int mid=l+r>>1;
    upd(node<<1,l,mid,l1,r1,cc);
    upd(node<<1|1,mid+1,r,l1,r1,cc);
    t[node].a=max(t[node<<1].a,t[node<<1|1].a);
    t[node].b=min(t[node<<1].b,t[node<<1|1].b);
}
int get1(int node,int l,int r,int l1,int r1)
{
    if(l>r1||r<l1) return 0;
    if(l>=l1&&r<=r1) return t[node].a;

    int mid=l+r>>1;
    return max(get1(node<<1,l,mid,l1,r1),get1(node<<1|1,mid+1,r,l1,r1));
}
int get2(int node, int l,int r,int l1,int r1)
{
    if(l>r1||r<l1) return n+1;
    if(l>=l1&&r<=r1) return t[node].b;
    int mid=l+r>>1;
    return min(get2(node<<1,l,mid,l1,r1),get2(node<<1|1,mid+1,r,l1,r1));
}
void dfs(int x,int y)
{
    st[0][x]=y;
    depth[x]=depth[y]+1;
    euler[x].a=++dem;
    c[dem]=x;
    for(auto f:v[x])
        if(f!=y)
            dfs(f,x);
    euler[x].b=dem;
}
int lca(int x,int y,int cc)
{
    if(x==0||x==n+1||y==0||y==n+1) return 1;
    if(depth[x]<depth[y]) swap(x,y),cc=0;
    int ss=depth[x]-depth[y]-1;
    if(ss>=0)
        for(int j=0; j<17; j++)
            if(bit(ss,j))
                x=st[j][x];
    if(st[0][x]==y) return x;
    if(ss!=-1)  x=st[0][x];
    for(int j=16; j>=0; --j)
        if(st[j][x]!=st[j][y])
            x=st[j][x],y=st[j][y];
    if(cc==0) return y;
    else
        return x;
}
int lca2(int x,int y)
{
    if(x==0 )return y;
    if(y==0 )return x;
    if(depth[x]<depth[y]) swap(x,y);
    int ss=depth[x]-depth[y];
    for(int j=0; j<17; j++)
        if(bit(ss,j))
            x=st[j][x];
    if(x==y) return x;
    for(int j=16; j>=0; --j)
        if(st[j][x]!=st[j][y])
            x=st[j][x],y=st[j][y];
    return st[0][x];
}
void build2(int node,int l,int r)
{
    if(l==r)
    {
        lz[node]=b[l];
        return;
    }
    int mid=l+r>>1;
    build2(node<<1,l,mid);
    build2(node<<1|1,mid+1,r);
    lz[node]=lca2(lz[node<<1],lz[node<<1|1]);
}
int get_lca(int node,int l,int r,int l1,int r1)
{
    if(l>r1||r<l1) return 0;
    if(l>=l1&&r<=r1) return lz[node];
    int mid=l+r>>1;
    return lca2(get_lca(node<<1,l,mid,l1,r1),get_lca(node<<1|1,mid+1,r,l1,r1));
}
void add(int x)
{
    s2=get1(1,1,n,1,euler[x].a);
    /// s3=get2(1,1,n,euler[x].a,n);
    upd(1,1,n,euler[x].a,euler[x].a,1);
    if(d[x]!=0||s10>1) return;
    s2=c[s2];
    s3=nxt[s2];
    pre[x]=s2;
    nxt[x]=s3;
    nxt[s2]=x;
    pre[s3]=x;
//if(l==3&&x==1) cout<<s2<<" "<<s3<<" "<<x,down
    s2=lca(x,s2,1);
    s3=lca(x,s3,1);
    if(depth[s2]<depth[s3]) swap(s2,s3);
    if(depth[x]>=depth[s2])
    {
        s4+=depth[x]-depth[s2]+1;
        d[x]=s2;
        e[s2]=x;
    }
}
void del(int x)
{
    upd(1,1,n,euler[x].a,euler[x].a,-1);
    s5=d[x];
    //s2=get1(1,1,n,euler[s5].a,euler[x].a);
    //s3=get2(1,1,n,euler[x].a,euler[s5].b);
    if(s10>=1) return;

    s2=pre[x];
    s3=nxt[x];
    nxt[s2]=s3;
    if(s3!=0) pre[s3]=s2;
    pre[x]=0;
    nxt[x]=0;
    s9=s2;
    if(d[x]==0)return;
    d[x]=0;
    e[s5]=0;

    s4-=(depth[x]-depth[s5]+1);

    s2=lca(s2,x,1);
    s3=lca(s3,x,1);
    if(max(depth[s2],depth[s3])<=depth[s5]) return;
    if(st[0][s2]==s9&&depth[s2]>=depth[s3]&&d[s2]==0)
    {
        s2=s9;
        s4+=depth[s2]-depth[s5]+1;
        d[s2]=s5;
        e[s5]=s2;
        return;
    }
    if(depth[s2]<depth[s3])swap(s2,s3);
    if(depth[s5]<depth[s2])
    {
        s3=e[s2];
        e[s2]=0;
        e[s5]=s3;
        d[s3]=s5;
        s4+=(depth[s2]-depth[s5]);
    }
}
void go(int x,int y)
{
    while(r<y)
    {
        r++;
        add(b[r]);

    }
    while(l>x)
    {
        l--;

        add(b[l]);
        //cout<<l<<" "<<s4,down

    }
    //cout<<s4<<" "<<x<<" "<<y,down
    while(l<x)
    {
        del(b[l]);
        l++;
    }
    while(r>y)
    {
        del(b[r]);

        r--;
    }

}
void phongbeo()
{
    cin>>n>>m>>k;
    S=sqrt(m);
    for(int i=1; i<n; i++)
        cin>>l>>r,v[l].pb(r),v[r].pb(l);
    dfs(1,0);
    for(int i=1; i<17; i++)
        for(int j=1; j<=n; j++)
            st[i][j]=st[i-1][st[i-1][j]];
    for(int i=1; i<=m; i++)
        cin>>b[i];
    for(int i=1; i<=k; i++)
        cin>>a[i].a>>a[i].b,a[i].c=i;
    sort(a+1,a+1+k,cmp);
    l=1;
    r=0;
    build(1,1,n);
    build2(1,1,m);
    for(int i=1; i<=k; i++)
    {
        go(a[i].a,a[i].b);
        s3=get_lca(1,1,m,a[i].a,a[i].b);
        ans[a[i].c]=s4+depth[1]-depth[s3];
    }
    for(int i=1; i<=k; i++)
        cout<<ans[i],down
    }
/*
8 8 2
1 2
2 3
3 4
4 5
5 6
6 7
7 8
8 6 4 3 5 2 4 7
2 8
1 2

*/

Compilation message

tourism.cpp:91:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   91 | main()
      | ^~~~
tourism.cpp: In function 'void build(int, int, int)':
tourism.cpp:125:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  125 |     int mid=l+r>>1;
      |             ~^~
tourism.cpp: In function 'void upd(int, int, int, int, int, int)':
tourism.cpp:141:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  141 |     int mid=l+r>>1;
      |             ~^~
tourism.cpp: In function 'int get1(int, int, int, int, int)':
tourism.cpp:152:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  152 |     int mid=l+r>>1;
      |             ~^~
tourism.cpp: In function 'int get2(int, int, int, int, int)':
tourism.cpp:159:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  159 |     int mid=l+r>>1;
      |             ~^~
tourism.cpp: In function 'void build2(int, int, int)':
tourism.cpp:213:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  213 |     int mid=l+r>>1;
      |             ~^~
tourism.cpp: In function 'int get_lca(int, int, int, int, int)':
tourism.cpp:222:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  222 |     int mid=l+r>>1;
      |             ~^~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 16732 KB Output is correct
2 Correct 2 ms 16732 KB Output is correct
3 Correct 2 ms 16732 KB Output is correct
4 Correct 3 ms 16832 KB Output is correct
5 Correct 3 ms 16732 KB Output is correct
6 Correct 3 ms 16728 KB Output is correct
7 Correct 3 ms 16732 KB Output is correct
8 Correct 3 ms 16732 KB Output is correct
9 Correct 3 ms 16732 KB Output is correct
10 Correct 3 ms 16732 KB Output is correct
11 Correct 3 ms 16732 KB Output is correct
12 Correct 2 ms 16732 KB Output is correct
13 Correct 2 ms 16732 KB Output is correct
14 Correct 2 ms 16820 KB Output is correct
15 Correct 3 ms 16732 KB Output is correct
16 Correct 3 ms 16732 KB Output is correct
17 Correct 3 ms 16732 KB Output is correct
18 Correct 2 ms 16732 KB Output is correct
19 Correct 3 ms 16916 KB Output is correct
20 Correct 3 ms 16984 KB Output is correct
21 Correct 3 ms 16732 KB Output is correct
22 Correct 3 ms 16732 KB Output is correct
23 Correct 3 ms 16732 KB Output is correct
24 Correct 3 ms 16732 KB Output is correct
25 Correct 3 ms 16732 KB Output is correct
26 Correct 3 ms 16732 KB Output is correct
27 Correct 2 ms 16732 KB Output is correct
28 Correct 2 ms 16920 KB Output is correct
29 Correct 2 ms 16812 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 16732 KB Output is correct
2 Correct 2 ms 16732 KB Output is correct
3 Correct 2 ms 16732 KB Output is correct
4 Correct 3 ms 16832 KB Output is correct
5 Correct 3 ms 16732 KB Output is correct
6 Correct 3 ms 16728 KB Output is correct
7 Correct 3 ms 16732 KB Output is correct
8 Correct 3 ms 16732 KB Output is correct
9 Correct 3 ms 16732 KB Output is correct
10 Correct 3 ms 16732 KB Output is correct
11 Correct 3 ms 16732 KB Output is correct
12 Correct 2 ms 16732 KB Output is correct
13 Correct 2 ms 16732 KB Output is correct
14 Correct 2 ms 16820 KB Output is correct
15 Correct 3 ms 16732 KB Output is correct
16 Correct 3 ms 16732 KB Output is correct
17 Correct 3 ms 16732 KB Output is correct
18 Correct 2 ms 16732 KB Output is correct
19 Correct 3 ms 16916 KB Output is correct
20 Correct 3 ms 16984 KB Output is correct
21 Correct 3 ms 16732 KB Output is correct
22 Correct 3 ms 16732 KB Output is correct
23 Correct 3 ms 16732 KB Output is correct
24 Correct 3 ms 16732 KB Output is correct
25 Correct 3 ms 16732 KB Output is correct
26 Correct 3 ms 16732 KB Output is correct
27 Correct 2 ms 16732 KB Output is correct
28 Correct 2 ms 16920 KB Output is correct
29 Correct 2 ms 16812 KB Output is correct
30 Correct 16 ms 16988 KB Output is correct
31 Correct 18 ms 17028 KB Output is correct
32 Correct 25 ms 16984 KB Output is correct
33 Correct 27 ms 16988 KB Output is correct
34 Correct 25 ms 16988 KB Output is correct
35 Correct 6 ms 16988 KB Output is correct
36 Correct 6 ms 16988 KB Output is correct
37 Correct 6 ms 17036 KB Output is correct
38 Correct 21 ms 16988 KB Output is correct
39 Correct 21 ms 17092 KB Output is correct
40 Correct 21 ms 16988 KB Output is correct
41 Correct 7 ms 16988 KB Output is correct
42 Correct 6 ms 16988 KB Output is correct
43 Correct 6 ms 16864 KB Output is correct
44 Correct 21 ms 16988 KB Output is correct
45 Correct 22 ms 16988 KB Output is correct
46 Correct 22 ms 17048 KB Output is correct
47 Correct 6 ms 17056 KB Output is correct
48 Correct 6 ms 16984 KB Output is correct
49 Correct 6 ms 16988 KB Output is correct
50 Correct 21 ms 17056 KB Output is correct
51 Correct 21 ms 16988 KB Output is correct
52 Correct 21 ms 16988 KB Output is correct
53 Correct 22 ms 16984 KB Output is correct
54 Correct 26 ms 16984 KB Output is correct
55 Correct 22 ms 16988 KB Output is correct
56 Correct 4 ms 16728 KB Output is correct
57 Correct 3 ms 16988 KB Output is correct
58 Correct 4 ms 16988 KB Output is correct

Subtask #3
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 16732 KB Output is correct
2 Correct 2 ms 16732 KB Output is correct
3 Correct 3 ms 16732 KB Output is correct
4 Execution timed out 5089 ms 24016 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #4
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 16732 KB Output is correct
2 Correct 64 ms 21404 KB Output is correct
3 Correct 98 ms 21584 KB Output is correct
4 Correct 79 ms 23888 KB Output is correct
5 Correct 78 ms 25168 KB Output is correct
6 Correct 97 ms 25248 KB Output is correct
7 Correct 107 ms 25172 KB Output is correct
8 Correct 122 ms 25168 KB Output is correct
9 Correct 121 ms 25168 KB Output is correct
10 Correct 121 ms 25168 KB Output is correct
11 Correct 125 ms 25168 KB Output is correct
12 Correct 133 ms 25508 KB Output is correct
13 Correct 121 ms 25368 KB Output is correct
14 Correct 120 ms 25600 KB Output is correct
15 Correct 135 ms 26452 KB Output is correct
16 Correct 115 ms 25180 KB Output is correct
17 Correct 114 ms 25360 KB Output is correct
18 Correct 113 ms 25168 KB Output is correct
19 Correct 76 ms 25172 KB Output is correct
20 Correct 96 ms 25428 KB Output is correct
21 Correct 92 ms 25168 KB Output is correct
22 Correct 100 ms 25168 KB Output is correct
23 Correct 102 ms 25172 KB Output is correct
24 Correct 113 ms 24964 KB Output is correct
25 Correct 128 ms 25044 KB Output is correct
26 Correct 133 ms 25168 KB Output is correct
27 Correct 151 ms 25172 KB Output is correct
28 Correct 157 ms 25192 KB Output is correct
29 Correct 169 ms 25168 KB Output is correct
30 Correct 162 ms 25172 KB Output is correct
31 Correct 169 ms 25440 KB Output is correct
32 Correct 160 ms 25476 KB Output is correct
33 Correct 158 ms 25940 KB Output is correct
34 Correct 152 ms 26492 KB Output is correct

Subtask #5
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 16732 KB Output is correct
2 Correct 2 ms 16732 KB Output is correct
3 Correct 5 ms 16732 KB Output is correct
4 Execution timed out 5063 ms 22356 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #6
0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 16732 KB Output is correct
2 Correct 2 ms 16732 KB Output is correct
3 Correct 2 ms 16732 KB Output is correct
4 Correct 3 ms 16832 KB Output is correct
5 Correct 3 ms 16732 KB Output is correct
6 Correct 3 ms 16728 KB Output is correct
7 Correct 3 ms 16732 KB Output is correct
8 Correct 3 ms 16732 KB Output is correct
9 Correct 3 ms 16732 KB Output is correct
10 Correct 3 ms 16732 KB Output is correct
11 Correct 3 ms 16732 KB Output is correct
12 Correct 2 ms 16732 KB Output is correct
13 Correct 2 ms 16732 KB Output is correct
14 Correct 2 ms 16820 KB Output is correct
15 Correct 3 ms 16732 KB Output is correct
16 Correct 3 ms 16732 KB Output is correct
17 Correct 3 ms 16732 KB Output is correct
18 Correct 2 ms 16732 KB Output is correct
19 Correct 3 ms 16916 KB Output is correct
20 Correct 3 ms 16984 KB Output is correct
21 Correct 3 ms 16732 KB Output is correct
22 Correct 3 ms 16732 KB Output is correct
23 Correct 3 ms 16732 KB Output is correct
24 Correct 3 ms 16732 KB Output is correct
25 Correct 3 ms 16732 KB Output is correct
26 Correct 3 ms 16732 KB Output is correct
27 Correct 2 ms 16732 KB Output is correct
28 Correct 2 ms 16920 KB Output is correct
29 Correct 2 ms 16812 KB Output is correct
30 Correct 16 ms 16988 KB Output is correct
31 Correct 18 ms 17028 KB Output is correct
32 Correct 25 ms 16984 KB Output is correct
33 Correct 27 ms 16988 KB Output is correct
34 Correct 25 ms 16988 KB Output is correct
35 Correct 6 ms 16988 KB Output is correct
36 Correct 6 ms 16988 KB Output is correct
37 Correct 6 ms 17036 KB Output is correct
38 Correct 21 ms 16988 KB Output is correct
39 Correct 21 ms 17092 KB Output is correct
40 Correct 21 ms 16988 KB Output is correct
41 Correct 7 ms 16988 KB Output is correct
42 Correct 6 ms 16988 KB Output is correct
43 Correct 6 ms 16864 KB Output is correct
44 Correct 21 ms 16988 KB Output is correct
45 Correct 22 ms 16988 KB Output is correct
46 Correct 22 ms 17048 KB Output is correct
47 Correct 6 ms 17056 KB Output is correct
48 Correct 6 ms 16984 KB Output is correct
49 Correct 6 ms 16988 KB Output is correct
50 Correct 21 ms 17056 KB Output is correct
51 Correct 21 ms 16988 KB Output is correct
52 Correct 21 ms 16988 KB Output is correct
53 Correct 22 ms 16984 KB Output is correct
54 Correct 26 ms 16984 KB Output is correct
55 Correct 22 ms 16988 KB Output is correct
56 Correct 4 ms 16728 KB Output is correct
57 Correct 3 ms 16988 KB Output is correct
58 Correct 4 ms 16988 KB Output is correct
59 Correct 2 ms 16732 KB Output is correct
60 Correct 2 ms 16732 KB Output is correct
61 Correct 3 ms 16732 KB Output is correct
62 Execution timed out 5089 ms 24016 KB Time limit exceeded
63 Halted 0 ms 0 KB -