結果
| 問題 | No.3010 水色コーダーさん |
| ユーザー |
 はまー０１
|
| 提出日時 | 2025-01-25 12:32:20 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 27 ms / 2,000 ms |
| コード長 | 20,317 bytes |
| コンパイル時間 | 5,243 ms |
| コンパイル使用メモリ | 333,004 KB |
| 実行使用メモリ | 6,820 KB |
| 最終ジャッジ日時 | 2025-01-25 22:02:57 |
| 合計ジャッジ時間 | 7,017 ms |
|
ジャッジサーバーID （参考情報） |
judge6 / judge4 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 20 |
ソースコード
#ifndef INCLUDED_MAIN
#define INCLUDED_MAIN
#include __FILE__
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
ll N, M;cin >> N >> M;
ll ans = 0;
rep(i, N){
string s;cin >> s;
ll r;cin >> r;
bool flag = false;
rep(j, 4)flag |= (s[j] == 'x');
if(r >= 1200 && flag)++ans;
}
cout << ans << endl;
}
#else // INCLUDED_MAIN
#include <bits/stdc++.h>
// #include <atcoder/all>
#include <cassert>
using namespace std;
// using namespace atcoder;
#define INF 1LL << 60
#define MOD 998244353
#define MMOD 1000000007
typedef long long ll;
typedef long double ld;
template<typename T> using vc = vector<T>;
template<typename T> using vv = vc<vc<T>>;
using vl = vc<ll>; using vvl = vv<ll>; using vvvl = vc<vvl>;
using vs = vc<string>; using vvs = vv<string>;
using vb = vc<bool>; using vvb = vv<bool>; using vvvb = vc<vvb>;
using lP = pair<ll, ll>; using sP = pair<string, string>;
using vlP = vc<lP>; using vsP = vc<sP>;
using RLEs = vc<pair<char, ll>>;
#define rep(i,n) for(ll i = 0; i < (n); ++i)
#define rrep(i,n) for(ll i = 1; i <= (n); ++i)
#define drep(i,n) for(ll i = (n)-1; i >= 0; --i)
#define nfor(i,s,n) for(ll i=s;i<n;++i)
#define nall(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define YES cout<<"Yes"<<endl
#define NO cout<<"No"<<endl
#define OK cout<<"ok"<<endl
#define YN {cout<<"Yes"<<endl;}else{cout<<"No"<<endl;}
#define dame cout<<-1<<endl
#define LAST(i, n) (i+1==n?"\n":" ")
#define RLAST(i, n) (i==n?"\n":" ")
#define PI 3.14159265358979
#define rad(d) (d * PI / 180.)
#define deg(r) (r * 180. / PI)
template<class T>inline bool chmin(T& a,T b){if(a>b){a=b;return true;}return false;}
template<class T>inline bool chmax(T& a,T b){if(a<b){a=b;return true;}return false;}
string atoz = "abcdefghijklmnopqrstuvwxyz";
string TA = "Takahashi";
struct Edge {
ll to;
ll weight;
Edge(ll t, ll w) : to(t), weight(w) { }
};
using Graph = vector<vector<Edge>>;
////////////////////////////////////////////////////////////////////////////////////////////////
//maths
ll floor(ll n, ll a){
return n / a - (n % a < 0);
}
ll ceil(ll n, ll a){
return n / a + ((n ^ a) >= 0) * (n % a != 0);
}
//xとyの最大公約数
ll gcd(ll x, ll y){
if(x % y == 0)return y;
else return gcd(y, x % y);
}
//xとyの最小公倍数
ll lcm(ll x, ll y){
return x / gcd(x, y) * y;
}
ll log2_ceil(ll x){
ll val = 1;
while((1LL << val) <= x)++val;
return val;
}
//xの逆元
ll mod_inv(ll x, ll mod){
ll b = mod, u = 1, v = 0;
while(b){
ll t = x / b;
x -= t * b; swap(x, b);
u -= t * v; swap(u, v);
}
u %= mod;
if(u < 0)u += mod;
return u;
}
ll pow_ll(ll x, ll n){
ll ans = 1;
while(n > 0){
if(n & 1)ans *= x;
x *= x;
n >>= 1;
}
return ans;
}
ll pow_mod(ll x, ll n, ll mod){
x = x % mod;
if(n == 0)return 1;
else if(n % 2 == 1){
return (x * pow_mod(x, n - 1, mod)) % mod;
}
else return pow_mod((x * x) % mod, n / 2, mod) % mod;
}
ll comb(ll n, ll k, ll mod){
ll x = 1;
for(ll i = n - k + 1; i <= n; ++i)x = x * i % mod;
ll y = 1;
for(ll i = 1; i <= k; ++i)y = y * i % mod;
y = pow_mod(y, mod - 2, mod);
return x * y % mod;
}
ll mod_n(ll N, ll div){
if(N == abs(N))return N % div;
else return (N % div + div) % div;
}
//not_sqrt
ll dist(ll sx, ll sy, ll ex, ll ey){
ll dx = ex - sx, dy = ey - sy;
return dx * dx + dy * dy;
}
ll dist_M(ll sx, ll sy, ll ex, ll ey){
return abs(sx - ex) + abs(sy - ey);
}
ll count_range(ll n, ll m){
return ((m - n + 1) * (n + m)) / 2;
}
ll count_range(ll n, ll m, ll mod){
ll len = (m - n + 1) % mod;
ll sum = (n + m) % mod;
return len * sum % mod * mod_inv(2, mod) % mod;
}
ll mul(ll a, ll b) {ll infl = 1LL << 60; if (a == 0 || b == 0) return 0; if (infl / a < b) return infl; return min(infl, a * b); }
ll count_sum(ll A, ll D, ll L, ll N){
if(A == -1)return (N * (2 * L - (N - 1) * D)) / 2;
else if(L == -1)return (N * (2 * A + (N - 1) * D)) / 2;
else if(N == -1)return (((L - A) / D + 1) * (A + L)) / 2;
else return (N * (A + L)) / 2;
}
ll count_sum(ll A, ll D, ll L, ll N, ll mod){
ll inv2 = mod_inv(2, mod);
if (A == -1) {
return (N % mod) * (((2 * L % mod - ((N - 1) % mod) * D % mod + mod) % mod) * inv2 % mod) % mod;
} else if (L == -1) {
return (N % mod) * (((2 * A % mod + ((N - 1) % mod) * D % mod) % mod) * inv2 % mod) % mod;
} else if (N == -1) {
ll num = (((L - A + mod) % mod) * mod_inv(D, mod)) % mod + 1;
return (num % mod) * ((A + L) % mod) % mod * inv2 % mod;
} else {
return (N % mod) * ((A + L) % mod) % mod * inv2 % mod;
}
}
//素数判定
bool is_Prime(ll num){
if(num == 1)return false;
for(ll i = 2; i * i <= num; ++i){
if(num % i == 0)return false;
}
return true;
}
//約数列挙
vl enum_divisors(ll N) {
vl res;
for (ll i = 1; i * i <= N; ++i) {
if (N % i == 0) {
res.push_back(i);
if (N/i != i) res.push_back(N/i);
}
}
sort(res.begin(), res.end());
return res;
}
//素因数分解
vlP prime_factorize(ll N) {
vlP res;
for (ll a = 2; a * a <= N; ++a) {
if (N % a != 0) continue;
ll ex = 0;
while (N % a == 0) {
++ex;
N /= a;
}
res.push_back({a, ex});
}
if (N != 1) res.push_back({N, 1});
return res;
}
ll count_Multiple(ll R, ll div, ll mod){
if(R == 0)return 0;
ll res = R / div;
if(mod <= R % div && 0 < mod)++res;
return res;
}
//[L,R]をdivで割ったあまりがmodになる個数
ll count_Multiple(ll L, ll R, ll div, ll mod){
return count_Multiple(R, div, mod) - count_Multiple(L - 1, div, mod);
}
//n進数のstrをm進数に変換する
string ntom(string str, const string S, const string T){
const int n = S.size(), m = T.size();
vector<int> ns(130);
for(int i = 0; i < n; ++i)ns[S[i]] = i;
long long sum = 0;
for(char c : str)sum = sum * n + ns[c];
string res;
do{
res = T[sum % m] + res;
sum /= m;
}while(sum);
return res;
}
string ntom(string str, const int n, const int m){
string S, T;
for(int i = 0; i < n; ++i)S.push_back((i >= 10 ? 'A' - 10 : '0') + i);
for(int i = 0; i < m; ++i)T.push_back((i >= 10 ? 'A' - 10 : '0') + i);
return ntom(str, S, T);
}
ll ntom(ll N, const int n, const int m){return stoll(ntom(to_string(N), n, m));}
template<typename T>
T popcount(T x){
ll cnt = 0;
while(x){
cnt += (x & 1);
x >>= 1;
}
return cnt;
}
//RSBが何桁目にあるか -> 2で割り切れる回数
template<typename T>
T RSB(T x){
T cnt = 0;
while((x & 1) == 0){
++cnt;
x >>= 1;
}
return cnt;
}
struct Vector{
ll x, y;
ll cross(const Vector &other)const{
return x * other.y - y * other.x;
}
ll dot(const Vector &other)const{
return x * other.x + y * other.y;
}
};
//<AOB 0:時計 1:反時計
bool is_lessthan180(const Vector &OA, const Vector &OB, bool o){
if(o)return (OA.cross(OB) > 0);
else return (OA.cross(OB) < 0);
}
//二次元座標上の点を反時計回りにd(rad)回転させる
struct rotate_xy{
double x, y;
rotate_xy(double x_, double y_) : x(x_), y(y_) {}
//rad
void rotate(double d){
double nx = x * cos(d) - y * sin(d);
double ny = x * sin(d) + y * cos(d);
x = nx, y = ny;
}
};
ll triArea(ll x1, ll y1, ll x2, ll y2, ll x3, ll y3){//not 1/2
return abs((x1 - x3) * (y2 - y3) - (x2 - x3) * (y1 - y3));
}
//string
string S_lower(string &str){
for(ll i = 0; i < (ll)str.size(); ++i)str[i] = tolower(str[i]);
return str;
}
bool is_Scontain(string &str, string &substr){
return str.find(substr) != string::npos;
}
ll S_count(string &S, char c){
ll cnt = 0;
for(ll i = 0; i < (ll)S.size(); ++i)if(S[i] == c)cnt++;
return cnt;
}
template <typename... Args>
std::string S_concat(const Args&... args){
return (std::string{} + ... + std::string(args));
}
vc<pair<char, ll>> RLE(string &S){
ll len = S.size();
vc<pair<char, ll>> ret;
for(ll i = 0; i < len;){
ll j = i + 1;
while(j < len && S[i] == S[j])j++;
ret.push_back({S[i], j - i});
i = j;
}
return ret;
}
string RLE_D(vc<pair<char, ll>> &ret){
string S;
for(auto x : ret){
for(ll i = 0; i < x.second; ++i)S.push_back(x.first);
}
return S;
}
template<class T>string to_string(T N, ll len, char c){
string val = to_string(N);
return string(len - (ll)val.size(), c) + val;
}
//graphs
void count_Cycles_sub(Graph &G, ll v, vb &seen, vb &finished, ll &count, bool YM, ll parent){
seen[v] = true;
for(Edge &e : G[v]){
ll nv = e.to;
if(!YM && nv == parent)continue;
if(finished[nv])continue;
if(seen[nv] && !finished[nv])++count;
if(seen[nv])continue;
count_Cycles_sub(G, nv, seen, finished, count, YM, v);
}
finished[v] = true;
}
//1:有向 0:無向
ll count_Cycles(Graph &G, ll s, bool YM){
ll count = 0;
vb seen(ll(G.size())), finished(ll(G.size()));
count_Cycles_sub(G, s, seen, finished, count, YM, -1);
return count;
}
vl count_ConnectedComponents(Graph &G){
vl ans;
vb seen(ll(G.size()));
for(ll i = 0; i < ll(G.size()); ++i){
if(seen[i])continue;
queue<ll> que;
seen[i] = true;
que.push(i);
while (!que.empty()) {
ll v = que.front();
que.pop();
for(Edge &e : G[v]){
if (seen[e.to]) continue;
seen[e.to] = true;
que.push(e.to);
}
}
ans.push_back(i);
}
return ans;
}
bool is_GraphPath(Graph &G){
ll N = G.size();
vl val = count_ConnectedComponents(G);
if((ll)val.size() != 1)return false;
ll o = 0, t = 0;
for(ll i = 0; i < N; ++i){
if(G[i].size() == 1)++o;
else if(G[i].size() == 2)++t;
else return false;
}
if(o != 2 || o + t != N)return false;
return true;
}
//s == -1 : all v
vl BFS(Graph &G, ll s){
vl dist(ll(G.size()), -1);
vl val = count_ConnectedComponents(G);
for(auto p : val){
queue<ll> que;
dist[(s==-1?p:s)] = 0;
que.push((s==-1?p:s));
while (!que.empty()) {
ll v = que.front();
que.pop();
for(const Edge &e : G[v]){
if (dist[e.to] != -1) continue;
dist[e.to] = dist[v] + e.weight;
que.push(e.to);
}
}
if(s != -1)break;
}
return dist;
}
ll BFS_M(Graph &G, ll s){
vl v = BFS(G, s);
return *max_element(nall(v));
}
ll BFS_m(Graph &G, ll s){
vl v = BFS(G, s);
return *min_element(nall(v));
}
vvl BFS_grid(vs &G, char s, char f, ll init){
vl DX = {-1, 0, 1, 0}, DY = {0, 1, 0, -1};
ll H = G.size(), W = G[0].size();
vvl dist(H, vl(W, init));
queue<lP> que;
if(s == ' '){
que.push({0, 0}), dist[0][0] = 0;
}else{
for(ll i = 0; i < H; ++i){
for(ll j = 0; j < W; ++j){
if(G[i][j] == s)que.push({i, j}), dist[i][j] = 0;
}
}
}
while(!que.empty()){
auto [x, y] = que.front();
que.pop();
for(ll d = 0; d < ll(DX.size()); ++d){
ll nx = x + DX[d], ny = y + DY[d];
if(nx < 0 || nx >= H || ny < 0 || ny >= W)continue;
if(G[nx][ny] == f)continue;
if(dist[nx][ny] != init)continue;
que.push({nx, ny});
dist[nx][ny] = dist[x][y] + 1;
}
}
return dist;
}
vl dijkstra(Graph &G, ll s){
vl dist(ll(G.size()), INF);
priority_queue<lP, vlP, greater<lP>> que;
dist[s] = 0;
que.push({0, s});
while (!que.empty()) {
lP p = que.top();
ll d = p.first;
ll v = p.second;
que.pop();
if(d > dist[v])continue;
for(auto &e : G[v]){
if(d + e.weight < dist[e.to]){
dist[e.to] = d + e.weight;
que.push({dist[e.to], e.to});
}
}
}
return dist;
}
void DFS_tree(Graph &G, ll v, ll p, ll d, vl &depth, vl &size){
depth[v] = d;
for(auto &e : G[v]){
if(e.to == p)continue;
DFS_tree(G, e.to, v, d + 1, depth, size);
}
size[v] = 1;
for(auto &e : G[v]){
if(e.to == p)continue;
size[v] += size[e.to];
}
}
vl eulerTour(Graph G, ll s){
for(auto &v : G){
sort(v.begin(), v.end(), [](const Edge &a, const Edge &b){
return a.to < b.to;
});
}
vl val;
function<void(ll, ll)> f = [&](ll v, ll pre){
val.push_back(v);
for (auto &e : G[v]) {
if (e.to != pre) {
f(e.to, v);
val.push_back(v);
}
}
};
f(s, -1);
return val;
}
//トポロジカルソートをし、辞書順最小を返す
vl topological_sort(Graph &G){
ll N = G.size();
vl indeg(N);
for(ll i = 0; i < N; ++i){
for(auto &e : G[i])indeg[e.to]++;
}
priority_queue<ll, vl, greater<ll>> pq;
for(ll i = 0; i < N; ++i){
if(indeg[i] == 0)pq.push(i);
}
vl val;
val.reserve(N);
while(!pq.empty()){
ll v = pq.top();
pq.pop();
val.push_back(v);
for(auto &e : G[v]){
indeg[e.to]--;
if(indeg[e.to] == 0){
pq.push(e.to);
}
}
}
if((ll)val.size() != N)return {-1};
return val;
}
struct UnionFind{
private:
vl par, rank, size_;
public:
UnionFind(ll N) : par(N), rank(N), size_(N, 1){
for(int i = 0; i < N; i++) par[i] = i;
}
ll root(ll x){
if (par[x] == x) return x;
return par[x] = root(par[x]);
}
void unite(ll x, ll y){
x = root(x);
y = root(y);
if (x == y) return;
if(rank[x] < rank[y]){
par[x] = y;
size_[y] += size_[x];
}else{
par[y] = x;
size_[x] += size_[y];
if(rank[x] == rank[y])++rank[x];
}
}
bool same(ll x, ll y){
return root(x) == root(y);
}
ll size(ll x){
return size_[root(x)];
}
ll countSets(){
ll cnt = 0;
for(ll i = 0; i < ll(par.size()); ++i)if(par[i] == i)++cnt;
return cnt;
}
};
//others
template<class... A> void prints() { std::cout << std::endl; }
template<class... A> void prints_rest() { std::cout << std::endl; }
template<class T, class... A> void prints_rest(const T& first, const A&... rest) { std::cout << " " << first; prints_rest(rest...); }
template<class T, class... A> void prints(const T& first, const A&... rest) { std::cout << first; prints_rest(rest...); }
template<class T>void PrintContainer(const T &C){
cout << "[ ";
for(auto &c : C)cout << c << ' ';
cout << "]\n";
}
template<class T>void PrintContainer(const set<T> &st){
cout << "[ ";
for(auto c : st)cout << c << ' ';
cout << "]\n";
}
template<class T>void PrintContainer(const multiset<T> &st){
cout << "[ ";
for(auto c : st)cout << c << ' ';
cout << "]\n";
}
template<class T>void PrintContainer(const queue<T> &que){
queue<T> que_ = que;
cout << "[ ";
while(!que_.empty()){cout << que_.front() << ' ';que_.pop();}
cout << "]\n";
}
template<class T>void PrintContainer(const stack<T> &sta){
stack<T> sta_ = sta;
cout << "[ ";
while(!sta_.empty()){cout << sta_.top() << ' ';sta_.pop();}
cout << "]\n";
}
template <typename T>
void print_var(const std::string& name, const T& value) {
std::cout << name << ": " << value << std::endl;
}
std::string extract_name(const std::string& names, size_t& pos) {
size_t start = pos;
int brackets = 0;
while (pos < names.size()) {
char ch = names[pos];
if (ch == '(') ++brackets;
if (ch == ')') --brackets;
if (ch == ',' && brackets == 0) break;
++pos;
}
std::string name = names.substr(start, pos - start);
name.erase(0, name.find_first_not_of(" \t"));
name.erase(name.find_last_not_of(" \t") + 1);
++pos;
return name;
}
#define DEBUG(...) prints_impl(#__VA_ARGS__, __VA_ARGS__)
template <typename... Args>
void prints_impl(const std::string& names, Args&&... args) {
size_t pos = 0;
((print_var(extract_name(names, pos), std::forward<Args>(args))), ...);
}
bool dictionary_sort(string &s1, string &s2){
for(ll i = 0; i < ll(min(s1.size(), s2.size())); ++i){
if(s1[i] == s2[i])continue;
return s1[i] < s2[i];
}
return s1.size() < s2.size();
}
//trueならcontinue
bool out_grid(ll i, ll j, ll h, ll w) {
return (!(0 <= i && i < h && 0 <= j && j < w));
}
vl partial_sum(vl &v){
vl val(v.size() + 1);
for(ll i = 0; i < (ll)v.size(); ++i)val[i + 1] = val[i] + v[i];
return val;
}
struct CircularRing{
private:
ll N;
public:
CircularRing(ll N_) : N(N_) {}
//0:時計1:反時計[s, e]
bool cross(ll s, ll e, ll x, ll rote){
if(rote == 0){
if(s > e)return (s <= x || x <= e);
else return (s <= x && x <= e);
}else{
if(s < e)return (s <= x || x <= e);
else return (e <= x && x <= s);
}
}
//0:時計1:反時計[s, e]
ll dist(ll s, ll e, ll m, ll rote){
if(rote == -1 && s > e)swap(s, e);
if(m == -1){
if(rote == -1){
return min(e - s, N - (e - s));
}else if(rote == 0){
if(s < e)return e - s;
else return N - (s - e);
}else{
if(s > e)return s - e;
else return N - (e - s);
}
}else{
if(rote == -1){
if(e - s <= N - (e - s)){
if(s < m && m < e)return N - (e - s);
else return e - s;
}else{
if(e < m || m < s)return e - s;
else return N - (e - s);
}
}else{
if(cross(s, e, m, rote))return -1;
else return dist(s, e, -1, rote);
}
}
}
};
vl press_xy(vl &A){
vl B = A;
sort(B.begin(), B.end());
B.erase(unique(B.begin(), B.end()), B.end());
vl res(ll(A.size()));
for(ll i = 0; i < ll(A.size()); ++i){
res[i] = lower_bound(B.begin(), B.end(), A[i]) - B.begin();
}
return res;
}
template<class T>void reverse(T &C, ll L, ll R){
auto itl = next(C.begin(), L);
auto itr = next(C.begin(), R + 1);
reverse(itl, itr);
}
template <class T>bool is_reverse(T &C){
ll len = C.size();
for(ll i = 0; i < len / 2; ++i)if(C[i] != C[len - i - 1])return false;
return true;
}
template <class T>bool is_reverse(T &C, ll s, ll e){
ll len = e - s + 1;
for(ll i = 0; i < len / 2; ++i)if(C[i + s] != C[len - i - 1 + s])return false;
return true;
}
ll binary_search_index(vl &C, ll key){
auto it = lower_bound(C.begin(), C.end(), key);
if(it != C.end() && *it == key)return (it - C.begin());
else return -1;
}
//v.size() == r;
bool next_combination(int n, int r, vl &v){
int i = v.size() - 1;
while (i >= 0 && v[i] == i + n - r)i--;
if (i < 0) return false;
v[i]++;
for (int j = i + 1; j < r; j++){
v[j] = v[j - 1] + 1;
}
return true;
}
struct BIT{
private:
ll n;
vector<ll> a;
public:
BIT(ll n) : n(n), a(n + 1, 0){}
void add(ll i, ll x){
i++;
if(i == 0) return;
for(ll k = i; k <= n; k += (k & -k))a[k] += x;
}
ll sum_sub(ll i){
i++;
ll s = 0;
if(i == 0) return s;
for(ll k = i; k > 0; k -= (k & -k)){
s += a[k];
}
return s;
}
ll sum(ll i, ll j){return sum_sub(j) - sum_sub(i - 1);}
ll lower_bound(ll x){
if(x <= 0){
return 0;
}else{
ll i = 0;
ll r = 1;
while(r < n) r = r << 1;
for(ll len = r; len > 0; len = len >> 1){
if(i + len < n && a[i + len] < x){
x -= a[i + len];
i += len;
}
}
return i;
}
}
};
ll count_inversions(vl &v){
ll ans = 0, len = v.size();
BIT b(len);
for(ll i = 0; i < len; ++i){
ans += i - b.sum_sub(v[i]);
b.add(v[i], 1);
}
return ans;
}
template <class T>ll count_inversions(vector<T> S, vector<T> E){
if(S.size() != E.size())return -1;
map<T, ll> mp;
ll len = S.size();
for(ll i = 0; i < len; ++i)mp[E[i]] = i;
vector<ll> val(len);
for(ll i = 0; i < len; ++i)val[i] = mp[S[i]];
return count_inversions(val);
}
ll count_inversions(string S, string E){
if(S.size() != E.size())return -1;
ll len = S.size();
map<char, ll> mp;
for(ll i = 0; i < len; ++i)mp[E[i]] = i;
vl val(len);
for(ll i = 0; i < len; ++i)val[i] = mp[S[i]];
return count_inversions(val);
}
//1-indexed
struct Kthset{
private:
multiset<ll>L, R;
ll K;
public:
Kthset(ll k) : K(k){}
void insert(ll v){
R.insert(v);
if((ll)L.size() < K){
L.insert(*R.begin());
R.erase(R.begin());
}else if(*R.begin() < *L.rbegin()){
L.insert(*R.begin());
R.erase(R.begin());
R.insert(*L.rbegin());
L.erase(--L.end());
}
}
void erase(ll v){
auto itl = L.find(v), itr = R.find(v);
if(itl != L.end()){
L.erase(itl);
}else if(itr != R.end()){
R.erase(itr);
}
if((ll)L.size() < K && !R.empty()){
L.insert(*R.begin());
R.erase(R.begin());
}
}
ll getKth(){return *L.rbegin();}
};
////////////////////////////////////////////////////////////////////////////////////////////////
#endif // INCLUDED_MAIN