Submission #865347

#	Time	Username	Problem	Language	Result	Execution time	Memory
865347		vjudge1	Birthday gift (IZhO18_treearray)	C++17	Compilation error	0 ms	0 KiB

treearray

// Bolatulu
#include <bits/stdc++.h>

typedef long long ll;
typedef unsigned long long ull;
typedef double db;
// #define int long long
#define kanagattandirilmagandiktarinizdan ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
#define pb push_back
#define F first
#define S second
#define md (tl+tr)/2
#define TL v+v,tl,mid
#define TR v+v+1,mid+1,tr

#pragma GCC target( "sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")

using namespace std;

int binpow(int a,int n,int M) {
    if (n==0)
        return 1;
    if (n%2!=0)
        return (a * binpow(a,n-1,M))%M;
    int z=binpow(a,n/2,M);
    return (z*z)%M;
}

const ll INF = 1e18;
const int N =  3e5+7;
const int M = 1e9+7;
const ll HZ = 1e5;
const int MAX = INT_MAX;
const int MIN = INT_MIN;
const db pi = 3.141592653;
const int P=31;

int n,m,q,tin[N],tout[N],t,up[20][N],lc[2001][2001],a[N];
vector <int> g[N];
vector <vector <vector <int>>> d(2001,vector <vector <int>> (2001));

void dfs(int v,int p) {
    tin[v]=++t;
    up[0][v]=p;
    for (auto now : g[v]) {
        if (now==p)
            continue;
        dfs(now,v);
    }
    tout[v]=++t;
}

bool parent(int a,int b) {
    return tin[a]<=tin[b] and tout[b]<=tout[a];
}

void prepare(int pw) {
    if (pw==20)
        return;
    for (int i=1;i<=n;i++)
        up[pw][i]=up[up[pw-1][i]][i];
    prepare(pw+1);
}

int lca(int a,int b) {
    if (parent(a,b))
        return a;
    if (parent(b,a))
        return b;
    for (int i=19;i>=0;i--)
        if (up[i][a] and !parent(up[i][a],b))
            a=up[i][a];
    return up[0][a];
}

void solve() {
    cin >> n >> m >> q;
    for (int i=1;i<n;i++) {
        int u,v;
        cin >> u >> v;
        g[u].push_back(v), g[v].push_back(u);
    }
    for (int i=1;i<=m;i++)
        cin >> a[i];
    dfs(1,0), prepare(1);
    for (int i=1;i<=n;i++)
        for (int j=i+1;j<=n;j++)
            lc[i][j]=lca(i,j), d[lc[i][j]][i].push_back(j), d[lc[i][j]][j].push_back(i);
    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++)
            sort(d[i][j].begin(),d[i][j].end());
    vector <vector <set <int>>> s(2001,vector <set<int>>(2001));
    vector <set <int>> poss(2001);
    for (int i=1;i<=m;i++)
        poss[a[i]].insert(i);
    for (int i=1;i<=n;i++) {
        for (int j=1;j<=n;j++)

    }
    while (q--) {
        int tp,l,r,v,pos;
        cin >> tp;
        if (tp==1) {
            cin >> pos >> v;
            a[pos]=v;
        } else {
            cin >> l >> r >> v;
            int pos1=-1,pos2=-1;
            for (int i=l;i<=r;i++) {
                if (*s[v][a[i]].lower_bound(l)<=r)
                    pos1=*s[v][a[i]].lower_bound(l), pos2=i;
            }
            cout << pos1 << ' ' << pos2 << '\n';
        }
    }
}

signed main() {
    // freopen("lca.in", "r", stdin);
    // freopen("lca.out", "w", stdout);
    kanagattandirilmagandiktarinizdan
    int test = 1, count = 1;
    // cin >> test;
    while (test--) {
        // cout << "Case " << count << ":\n";
        solve();
        if (test)
            // cout << '\n';
            count++;
    }
    return 0;
}

Compilation message (stderr)

treearray.cpp: In function 'void solve()':
treearray.cpp:100:5: error: expected primary-expression before '}' token
  100 |     }
      |     ^