Submission #494300

#	Time	Username	Problem	Language	Result	Execution time	Memory
494300		wiwiho	Valley (BOI19_valley)	C++14	Compilation error	0 ms	0 KiB

valley

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

#define starburststream ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define iter(a) a.begin(), a.end()
#define riter(a) a.rbegin(), a.rend()
#define lsort(a) sort(iter(a))
#define gsort(a) sort(riter(a))
#define pb(a) push_back(a)
#define eb(a) emplace_back(a)
#define pf(a) push_front(a)
#define ef(a) emplace_front(a)
#define pob pop_back()
#define pof pop_front()
#define mp(a, b) make_pair(a, b)
#define f first
#define s second
#define mt make_tuple
#define gt(t, i) get<i>(t)
#define tomax(a, b) ((a) = max((a), (b)))
#define tomin(a, b) ((a) = min((a), (b)))
#define topos(a) ((a) = (((a) % mod + mod) % mod))
#define uni(a) a.resize(unique(iter(a)) - a.begin())
#define printv(a, b) {bool pvaspace=false; \
for(auto pva : a){ \
    if(pvaspace) b << " "; pvaspace=true;\
    b << pva;\
}\
b << "\n";}

using namespace std;
using namespace __gnu_pbds;

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;

using pii = pair<int, int>;
using pll = pair<ll, ll>;
using pdd = pair<ld, ld>;
using tiii = tuple<int, int, int>;

const ll mod = 1000000007;
const ll max = 1ll << 60;

template<typename a, typename b>
ostream& operator<<(ostream& o, pair<a, b> p){
    return o << '(' << p.f << ',' << p.s << ')';
}

ll ifloor(ll a, ll b){
    if(b < 0) a *= -1, b *= -1;
    if(a < 0) return (a - b + 1) / b;
    else return a / b;
}

ll iceil(ll a, ll b){
    if(b < 0) a *= -1, b *= -1;
    if(a > 0) return (a + b - 1) / b;
    else return a / b;
}

int n;
struct segmenttree{
    vector<ll> st;
    int sz;
    explicit segmenttree(int sz): sz(sz){
        st.resize(4 * sz, max);
    }
    void modify(int x, int v, int l = 1, int r = n, int id = 0){
        //cerr << "modify " << x << " " << v << " " << l << " " << r << " " << sz << "\n";
        //assert(l <= r);
        if(l == r){
            st[id] = v;
            return;
        }
        int m = (l + r) / 2;
        if(x <= m) modify(x, v, l, m, 2 * id + 1);
        else modify(x, v, m + 1, r, 2 * id + 2);
        st[id] = min(st[2 * id + 1], st[2 * id + 2]);
    }
    ll query(int l, int r, int l = 1, int r = n, int id = 0){
        if(l > r) return max;
        if(l <= l && r <= r) return st[id];
        int m = (l + r) / 2;
        if(r <= m) return query(l, r, l, m, 2 * id + 1);
        else if(l > m) return query(l, r, m + 1, r, 2 * id + 2);
        else return min(query(l, r, l, m, 2 * id + 1), query(l, r, m + 1, r, 2 * id + 2));
    }
};


vector<vector<pii>> g;
vector<bool> shop;
vector<vector<int>> pr, in, out;
vector<vector<ll>> dpt;
vector<segmenttree> st;
vector<int> sz, ts;
vector<bool> del;

const int sz = 20;

vector<pii> e;
int esc;

void init(){
    g.resize(n + 1);
    shop.resize(n + 1);
    pr.resize(sz, vector<int>(n + 1, -1));
    in.resize(sz, vector<int>(n + 1, -1));
    out.resize(sz, vector<int>(n + 1, -1));
    dpt.resize(sz, vector<ll>(n + 1));
    st.resize(sz, segmenttree(n));
    sz.resize(n + 1);
    del.resize(n + 1);
    ts.resize(sz);

    e.resize(n);
}

void dfsg(int now, int p){
    sz[now] = 1;
    for(pii i : g[now]){
        if(i.f == p || del[i.f]) continue;
        dfsg(i.f, now);
        sz[now] += sz[i.f];
    }
}

int cen;
void dfsg2(int now, int p, int t){
    int mx = t - sz[now];
    for(pii i : g[now]){
        if(i.f == p || del[i.f]) continue;
        mx = max(mx, sz[i.f]);
        dfsg2(i.f, now, t);
    }
    if(mx <= t / 2) cen = now;
}

void dfssub(int now, int p, ll d, int gd){
    in[gd][now] = ++ts[gd];
    pr[gd][now] = cen;
    dpt[gd][now] = d;
    if(shop[now]){
        st[gd].modify(in[gd][now], d, 1, n, 0);
    }
    for(pii i : g[now]){
        if(i.f == p || del[i.f]) continue;
        dfssub(i.f, now, d + i.s, gd);
    }
    out[gd][now] = ts[gd];
}

void solve(int rt, int gd){
    dfsg(rt, rt);
    dfsg2(rt, rt, sz[rt]);
    dfssub(cen, cen, 0, gd);
    //cerr << "solve " << cen << "  ";
    //printv(sub[cen], cerr);
    
    del[cen] = true;
    for(pii i : g[cen]){
        if(!del[i.f]) solve(i.f, gd + 1);
    }
}

ll oao = max;
void query(int u1, int u2, int v){
    
    for(int i = sz - 1; i >= 0; i--){
        if(pr[i][v] == -1 || pr[i][esc] == -1) continue;
        if(pr[i][v] != pr[i][esc]) continue;
        int cen = pr[i][v];

        if(pr[i][u1] != cen || pr[i][u2] != cen){
            cout << "escaped\n";
            return;
        }

        if(in[i][u1] > in[i][u2]) swap(u1, u2);

        if(in[i][u2] <= in[i][v] && out[i][v] <= out[i][u2]) break;
        if(in[i][u2] <= in[i][esc] && out[i][esc] <= out[i][u2]) break;

        cout << "escaped\n";
        return;
    }

    ll ans = max;
    for(int i = sz - 1; i >= 0; i--){
        if(pr[i][v] == -1) continue;

        int cen = pr[i][v];
        if(pr[i][u1] != cen || pr[i][u2] != cen){
            ans = min(ans, dpt[i][v] + st[i].query(in[i][cen], in[i][v] - 1));
            ans = min(ans, dpt[i][v] + st[i].query(out[i][v] + 1, out[i][cen]));
            continue;
        }
        
        if(in[i][u1] > in[i][u2]) swap(u1, u2);
        if(in[i][u2] <= in[i][v] && out[i][v] <= out[i][u2]) continue;
        if(in[i][v] <= in[i][u2] && out[i][u2] <= out[i][v]){
            ans = min(ans, dpt[i][v] + st[i].query(in[i][cen], in[i][v] - 1));
            ans = min(ans, dpt[i][v] + st[i].query(out[i][v] + 1, out[i][cen]));
        }
        else if(in[i][u2] <= in[i][v]){
            ans = min(ans, dpt[i][v] + st[i].query(in[i][cen], in[i][u2] - 1));
            ans = min(ans, dpt[i][v] + st[i].query(out[i][u2] + 1, in[i][v] - 1));
            ans = min(ans, dpt[i][v] + st[i].query(out[i][v] + 1, out[i][cen]));
        }
        else{
            ans = min(ans, dpt[i][v] + st[i].query(in[i][cen], in[i][v] - 1));
            ans = min(ans, dpt[i][v] + st[i].query(out[i][v] + 1, in[i][u2] - 1));
            ans = min(ans, dpt[i][v] + st[i].query(out[i][u2] + 1, out[i][cen]));
        }
    }

    assert(ans == oao);
    if(ans == max) cout << "oo\n";
    else cout << ans << "\n";
}

void dfsbf(int now, int p, int u1, int u2, ll d){
    if(now == esc) oao = -1;
    if(shop[now]) oao = min(oao, d);
    for(pii i : g[now]){
        if(i.f == p) continue;
        if(mp(now, i.f) == mp(u1, u2) || mp(now, i.f) == mp(u2, u1)) continue;
        dfsbf(i.f, now, u1, u2, d + i.s);
    }
}

int main(){
    starburststream

    int q, s;
    cin >> n >> s >> q >> esc;
    init();

    for(int i = 1; i < n; i++){
        int u, v, w;
        cin >> u >> v >> w;
        g[u].eb(mp(v, w));
        g[v].eb(mp(u, w));
        e[i] = mp(u, v);
    }

    for(int i = 0; i < s; i++){
        int c;
        cin >> c;
        shop[c] = true;
    }

    solve(1, 0);

    /*cerr << "pr\n";
    for(int i = 0; i < sz; i++){
        printv(pr[i], cerr);
    }
    cerr << "in\n";
    for(int i = 0; i < sz; i++){
        printv(in[i], cerr);
    }
    cerr << "out\n";
    for(int i = 0; i < sz; i++){
        printv(out[i], cerr);
    }*/
    
    for(int i = 0; i < q; i++){
        int eid, v;
        cin >> eid >> v;
        int u1 = e[eid].f, u2 = e[eid].s;

        oao = max;
        dfsbf(v, v, u1, u2, 0);

        query(u1, u2, v);
    }

    return 0;
}

Compilation message (stderr)

valley.cpp:82:32: error: redefinition of 'int l'
   82 |     ll query(int l, int r, int l = 1, int r = n, int id = 0){
      |                            ~~~~^~~~~
valley.cpp:82:18: note: 'int l' previously declared here
   82 |     ll query(int l, int r, int l = 1, int r = n, int id = 0){
      |              ~~~~^
valley.cpp:82:43: error: redefinition of 'int r'
   82 |     ll query(int l, int r, int l = 1, int r = n, int id = 0){
      |                                       ~~~~^~~~~
valley.cpp:82:25: note: 'int r' previously declared here
   82 |     ll query(int l, int r, int l = 1, int r = n, int id = 0){
      |                     ~~~~^
valley.cpp: In constructor 'segmenttree::segmenttree(int)':
valley.cpp:68:27: error: reference to 'max' is ambiguous
   68 |         st.resize(4 * sz, max);
      |                           ^~~
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from valley.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidates are: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:                 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from valley.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:                 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:                 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
valley.cpp:44:10: note:                 'const ll max'
   44 | const ll max = 1ll << 60;
      |          ^~~
valley.cpp: In member function 'll segmenttree::query(int, int, int)':
valley.cpp:83:26: error: reference to 'max' is ambiguous
   83 |         if(l > r) return max;
      |                          ^~~
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from valley.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidates are: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:                 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from valley.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:                 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:                 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
valley.cpp:44:10: note:                 'const ll max'
   44 | const ll max = 1ll << 60;
      |          ^~~
valley.cpp:84:14: warning: self-comparison always evaluates to true [-Wtautological-compare]
   84 |         if(l <= l && r <= r) return st[id];
      |            ~ ^~ ~
valley.cpp:84:24: warning: self-comparison always evaluates to true [-Wtautological-compare]
   84 |         if(l <= l && r <= r) return st[id];
      |                      ~ ^~ ~
valley.cpp:86:55: error: no matching function for call to 'segmenttree::query(int&, int&, int&, int&, int)'
   86 |         if(r <= m) return query(l, r, l, m, 2 * id + 1);
      |                                                       ^
valley.cpp:82:8: note: candidate: 'll segmenttree::query(int, int, int)'
   82 |     ll query(int l, int r, int l = 1, int r = n, int id = 0){
      |        ^~~~~
valley.cpp:82:8: note:   candidate expects 3 arguments, 5 provided
valley.cpp:87:63: error: no matching function for call to 'segmenttree::query(int&, int&, int, int&, int)'
   87 |         else if(l > m) return query(l, r, m + 1, r, 2 * id + 2);
      |                                                               ^
valley.cpp:82:8: note: candidate: 'll segmenttree::query(int, int, int)'
   82 |     ll query(int l, int r, int l = 1, int r = n, int id = 0){
      |        ^~~~~
valley.cpp:82:8: note:   candidate expects 3 arguments, 5 provided
valley.cpp:88:53: error: no matching function for call to 'segmenttree::query(int&, int&, int&, int&, int)'
   88 |         else return min(query(l, r, l, m, 2 * id + 1), query(l, r, m + 1, r, 2 * id + 2));
      |                                                     ^
valley.cpp:82:8: note: candidate: 'll segmenttree::query(int, int, int)'
   82 |     ll query(int l, int r, int l = 1, int r = n, int id = 0){
      |        ^~~~~
valley.cpp:82:8: note:   candidate expects 3 arguments, 5 provided
valley.cpp:88:88: error: no matching function for call to 'segmenttree::query(int&, int&, int, int&, int)'
   88 |         else return min(query(l, r, l, m, 2 * id + 1), query(l, r, m + 1, r, 2 * id + 2));
      |                                                                                        ^
valley.cpp:82:8: note: candidate: 'll segmenttree::query(int, int, int)'
   82 |     ll query(int l, int r, int l = 1, int r = n, int id = 0){
      |        ^~~~~
valley.cpp:82:8: note:   candidate expects 3 arguments, 5 provided
valley.cpp: At global scope:
valley.cpp:101:11: error: conflicting declaration 'const int sz'
  101 | const int sz = 20;
      |           ^~
valley.cpp:98:13: note: previous declaration as 'std::vector<int> sz'
   98 | vector<int> sz, ts;
      |             ^~
valley.cpp: In function 'void init()':
valley.cpp:109:41: error: no matching function for call to 'std::vector<std::vector<int> >::resize(std::vector<int>&, std::vector<int>)'
  109 |     pr.resize(sz, vector<int>(n + 1, -1));
      |                                         ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from valley.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:937:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
  937 |       resize(size_type __new_size)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:937:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/10/bits/stl_vector.h:957:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = std::vector<int>]'
  957 |       resize(size_type __new_size, const value_type& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:957:24: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
  957 |       resize(size_type __new_size, const value_type& __x)
      |              ~~~~~~~~~~^~~~~~~~~~
valley.cpp:110:41: error: no matching function for call to 'std::vector<std::vector<int> >::resize(std::vector<int>&, std::vector<int>)'
  110 |     in.resize(sz, vector<int>(n + 1, -1));
      |                                         ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from valley.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:937:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
  937 |       resize(size_type __new_size)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:937:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/10/bits/stl_vector.h:957:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = std::vector<int>]'
  957 |       resize(size_type __new_size, const value_type& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:957:24: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
  957 |       resize(size_type __new_size, const value_type& __x)
      |              ~~~~~~~~~~^~~~~~~~~~
valley.cpp:111:42: error: no matching function for call to 'std::vector<std::vector<int> >::resize(std::vector<int>&, std::vector<int>)'
  111 |     out.resize(sz, vector<int>(n + 1, -1));
      |                                          ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from valley.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:937:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
  937 |       resize(size_type __new_size)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:937:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/10/bits/stl_vector.h:957:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = std::vector<int>]'
  957 |       resize(size_type __new_size, const value_type& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:957:24: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
  957 |       resize(size_type __new_size, const value_type& __x)
      |              ~~~~~~~~~~^~~~~~~~~~
valley.cpp:112:37: error: no matching function for call to 'std::vector<std::vector<long long int> >::resize(std::vector<int>&, std::vector<long long int>)'
  112 |     dpt.resize(sz, vector<ll>(n + 1));
      |                                     ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from valley.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:937:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
  937 |       resize(size_type __new_size)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:937:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/10/bits/stl_vector.h:957:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = std::vector<long long int>]'
  957 |       resize(size_type __new_size, const value_type& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:957:24: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'}
  957 |       resize(size_type __new_size, const value_type& __x)
      |              ~~~~~~~~~~^~~~~~~~~~
valley.cpp:113:33: error: no matching function for call to 'std::vector<segmenttree>::resize(std::vector<int>&, segmenttree)'
  113 |     st.resize(sz, segmenttree(n));
      |                                 ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from valley.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:937:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type) [with _Tp = segmenttree; _Alloc = std::allocator<segmenttree>; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
  937 |       resize(size_type __new_size)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:937:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/10/bits/stl_vector.h:957:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = segmenttree; _Alloc = std::allocator<segmenttree>; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = segmenttree]'
  957 |       resize(size_type __new_size, const value_type& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:957:24: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<segmenttree>::size_type' {aka 'long unsigned int'}
  957 |       resize(size_type __new_size, const value_type& __x)
      |              ~~~~~~~~~~^~~~~~~~~~
valley.cpp:116:17: error: no matching function for call to 'std::vector<int>::resize(std::vector<int>&)'
  116 |     ts.resize(sz);
      |                 ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from valley.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:937:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
  937 |       resize(size_type __new_size)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:937:24: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
  937 |       resize(size_type __new_size)
      |              ~~~~~~~~~~^~~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:957:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = int]'
  957 |       resize(size_type __new_size, const value_type& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:957:7: note:   candidate expects 2 arguments, 1 provided
valley.cpp: In function 'void dfsg2(int, int, int)':
valley.cpp:135:14: error: reference to 'max' is ambiguous
  135 |         mx = max(mx, sz[i.f]);
      |              ^~~
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from valley.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidates are: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:                 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from valley.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:                 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:                 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
valley.cpp:44:10: note:                 'const ll max'
   44 | const ll max = 1ll << 60;
      |          ^~~
valley.cpp: At global scope:
valley.cpp:168:10: error: reference to 'max' is ambiguous
  168 | ll oao = max;
      |          ^~~
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-g