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@@ -1,90 +0,0 @@
-#define _CRT_SECURE_NO_WARNINGS
-#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
-#include <bits/stdc++.h>
-using namespace std;
-#define CRP(t, x) const t &x
-#define OPX(op, t, x) operator op(CRP(t, x))
-#define OPL(t, x) bool OPX(<, t, x) const
-#define FIL(x, v) memset(x, v, sizeof(x))
-#define CLR(x) FIL(x, 0)
-#define NE1(x) FIL(x, -1)
-#define INF(x) FIL(x, 0x3f)
-#ifndef _DEBUG
-#define _DEBUG 0
-#endif // !_DEBUG
-#define IFD if (_DEBUG)
-typedef int64_t ll, i64;
-typedef uint64_t ull, u64;
-template <typename T>
-using enable_if_arithmetic = typename enable_if<is_arithmetic<T>::value>::type;
-template <typename T>
-using enable_if_integral = typename enable_if<is_integral<T>::value>::type;
-inline char getchar(int)
-{
-    static char buf[64 << 20], *S = buf, *T = buf;
-    if (S == T) T = fread(S = buf, 1, 64 << 20, stdin) + S;
-    return S == T ? EOF : *S++;
-}
-template <typename T, typename = enable_if_integral<T>>
-inline bool read(T &x)
-{
-    int ch = x = 0;
-    while (!isdigit(ch = getchar()))
-        if (ch == EOF) return false;
-    for (; isdigit(ch); ch = getchar()) x = x * 10 + ch - '0';
-    return true;
-}
-template <typename T, typename... Args, typename = enable_if_integral<T>>
-inline bool read(T &x, Args &... args) { return read(x) && read(args...); }
-ll gcd(ll a, ll b) { return b == 0 ? a : gcd(b, a % b); }
-ll fpow(ll a, ll b, ll m)
-{
-    ll r = 1;
-    for (; b; b >>= 1, a = a * a % m)
-        if (b & 1) r = r * a % m;
-    return r;
-}
-constexpr double eps = 1e-8;
-inline int sgn(double x) { return x > eps ? 1 : x < -eps ? -1 : 0; }
-const int N = 2050;
-ll a[N];
-int vis[N];
-struct pa
-{
-    int i, j;
-    ll v;
-    OPL(pa, rhs)
-    {
-        if (v > rhs.v) return true;
-        if (v < rhs.v) return false;
-        if (i > rhs.i) return true;
-        if (i < rhs.i) return false;
-        return j > rhs.j;
-    }
-};
-ll sq(ll x) { return x * x; }
-int main()
-{
-    for (int n, k, t = 1; read(n, k); t++)
-    {
-        for (int i = 0; i < n; i++) read(a[i]);
-        sort(a, a + n);
-        priority_queue<pa> H;
-        // for (int i = 0; i < n; i++)
-        //     for (int j = 0; j < i; j++)
-        //         H.push({i, j, sq(a[i] - a[j])});
-        for (int i = 1; i < n; i++)
-            H.push({i - 1, i, sq(a[i - 1] - a[i])});
-        ll ans = 0;
-        for (; k && !H.empty(); H.pop())
-        {
-            auto x = H.top();
-            if (vis[x.i] == t || vis[x.j] == t) continue;
-            ans += x.v;
-            vis[x.i] = vis[x.j] = t;
-            k--;
-        }
-        printf("%lld\n", ans);
-    }
-    return 0;
-}
\ No newline at end of file
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diff --git a/tmp/1.cpp b/tmp/1.cpp
deleted file mode 100644
index c2a5bea..0000000
--- a/tmp/1.cpp
+++ /dev/null
@@ -1,25 +0,0 @@
-#include <bits/stdc++.h>
-using namespace std;
-uint8_t encode[48] = {
-    0x96, 0x62, 0x53, 0x43, 0x6D, 0xF2, 0x8F, 0xBC,
-    0x16, 0xEE, 0x30, 0x05, 0x78, 0x00, 0x01, 0x52,
-    0xEC, 0x08, 0x5F, 0x93, 0xEA, 0xB5, 0xC0, 0x4D,
-    0x50, 0xF4, 0x53, 0xD8, 0xAF, 0x90, 0x2B, 0x34,
-    0x81, 0x36, 0x2C, 0xAA, 0xBC, 0x0E, 0x25, 0x8B,
-    0xE4, 0x8A, 0xC6, 0xA2, 0x81, 0x9F, 0x75, 0x55};
-int main()
-{
-    for (int j = 0; j < 6; j++)
-    {
-        uint64_t x = *(uint64_t *)&encode[j << 3];
-        for (int i = 0; i < 64; i++)
-            if (x & 1)
-                x = (x ^ 0xB0004B7679FA26B3uLL) >> 1 | (1ll << 63);
-            else
-                x >>= 1;
-        char *pt = (char *)&x;
-        for (int i = 0; i < 8; i++)
-            putchar(pt[i]);
-    }
-    return 0;
-}
\ No newline at end of file
diff --git a/tmp/2.cpp b/tmp/2.cpp
deleted file mode 100644
index 1b95088..0000000
--- a/tmp/2.cpp
+++ /dev/null
@@ -1,71 +0,0 @@
-#define _CRT_SECURE_NO_WARNINGS
-#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
-#include <bits/stdc++.h>
-using namespace std;
-#define CRP(t, x) const t &x
-#define OPX(op, t, x) operator op(CRP(t, x))
-#define OPL(t, x) bool OPX(<, t, x) const
-#define FIL(x, v) memset(x, v, sizeof(x))
-#define CLR(x) FIL(x, 0)
-#define NE1(x) FIL(x, -1)
-#define INF(x) FIL(x, 0x3f)
-#ifndef _DEBUG
-#define _DEBUG 0
-#endif // !_DEBUG
-#define IFD if (_DEBUG)
-typedef int64_t ll, i64;
-typedef uint64_t ull, u64;
-template <typename T>
-using enable_if_arithmetic = typename enable_if<is_arithmetic<T>::value>::type;
-template <typename T>
-using enable_if_integral = typename enable_if<is_integral<T>::value>::type;
-inline char getchar(int)
-{
-    static char buf[64 << 20], *S = buf, *T = buf;
-    if (S == T) T = fread(S = buf, 1, 64 << 20, stdin) + S;
-    return S == T ? EOF : *S++;
-}
-template <typename T, typename = enable_if_integral<T>>
-inline void read(T &x)
-{
-    int ch = x = 0, f = 1;
-    while (!isdigit(ch = getchar()))
-        if (ch == '-') f = -1;
-    for (; isdigit(ch); ch = getchar()) x = x * 10 + ch - '0';
-    x *= f;
-}
-template <typename T, typename... Args, typename = enable_if_integral<T>>
-inline void read(T &x, Args &... args) { read(x), read(args...); }
-ll gcd(ll a, ll b) { return b == 0 ? a : gcd(b, a % b); }
-ll fpow(ll a, ll b, ll m)
-{
-    ll r = 1;
-    for (; b; b >>= 1, a = a * a % m)
-        if (b & 1) r = r * a % m;
-    return r;
-}
-constexpr double eps = 1e-8;
-inline int sgn(double x) { return x > eps ? 1 : x < -eps ? -1 : 0; }
-const int N = 2e6 + 50;
-char strs[6][N];
-char *ptrs[6];
-char harbin[] = "harbin";
-int main()
-{
-    int T, n, k;
-    read(T);
-    while (T--)
-    {
-        for (int i = 0; i < 6; i++) scanf("%s", ptrs[i] = strs[i]);
-        bool flag = false;
-        do
-        {
-            bool flag2 = true;
-            for (int i = 0; i < 6 && flag2; i++)
-                flag2 = flag2 && (strchr(ptrs[i], harbin[i]) != NULL);
-            flag = flag || flag2;
-        } while (next_permutation(ptrs, ptrs + 6));
-        puts(flag ? "Yes" : "No");
-    }
-    return 0;
-}
\ No newline at end of file
diff --git a/tmp/3.cpp b/tmp/3.cpp
deleted file mode 100644
index 8eccb18..0000000
--- a/tmp/3.cpp
+++ /dev/null
@@ -1,124 +0,0 @@
-#define _CRT_SECURE_NO_WARNINGS
-#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
-#include <bits/stdc++.h>
-#include <ext/pb_ds/assoc_container.hpp>
-#include <ext/pb_ds/hash_policy.hpp>
-#include <ext/pb_ds/tree_policy.hpp>
-using namespace std;
-#define CRP(t, x) const t &x
-#define OPX(op, t, x) operator op(CRP(t, x))
-#define OPL(t, x) bool OPX(<, t, x) const
-#define FIL(x, v) memset(x, v, sizeof(x))
-#define CLR(x) FIL(x, 0)
-#define NE1(x) FIL(x, -1)
-#define INF(x) FIL(x, 0x3f)
-#ifndef _DEBUG
-#define _DEBUG 0
-#endif // !_DEBUG
-#define IFD if (_DEBUG)
-typedef int64_t ll, i64;
-typedef uint64_t ull, u64;
-template <typename T>
-using enable_if_arithmetic = typename enable_if<is_arithmetic<T>::value>::type;
-template <typename T>
-using enable_if_integral = typename enable_if<is_integral<T>::value>::type;
-inline char getchar(int)
-{
-    static char buf[64 << 20], *S = buf, *T = buf;
-    if (S == T) T = fread(S = buf, 1, 64 << 20, stdin) + S;
-    return S == T ? EOF : *S++;
-}
-template <typename T, typename = enable_if_integral<T>>
-inline void read(T &x)
-{
-    int ch = x = 0, f = 1;
-    while (!isdigit(ch = getchar()))
-        if (ch == '-') f = -1;
-    for (; isdigit(ch); ch = getchar()) x = x * 10 + ch - '0';
-    x *= f;
-}
-template <typename T, typename... Args, typename = enable_if_integral<T>>
-inline void read(T &x, Args &... args) { read(x), read(args...); }
-ll gcd(ll a, ll b) { return b == 0 ? a : gcd(b, a % b); }
-ll fpow(ll a, ll b, ll m)
-{
-    ll r = 1;
-    for (; b; b >>= 1, a = a * a % m)
-        if (b & 1) r = r * a % m;
-    return r;
-}
-constexpr double eps = 1e-8;
-inline int sgn(double x) { return x > eps ? 1 : x < -eps ? -1 : 0; }
-const int N = 1e6 + 50;
-//__gnu_pbds::gp_hash_table<ll, ll> mps[N];
-//map<ll, ll> mps[N];
-//__gnu_pbds::tree<ll, ll, less<ll>, __gnu_pbds::ov_tree_tag> mps[N];
-vector<ll> mps[N];
-pair<ll, ll> ch[N];
-ll cnt[N];
-int ops[N];
-int main()
-{
-    int T, n, op;
-    read(T);
-    while (T--)
-    {
-        read(n);
-        for (int i = 1; i <= n; i++)
-        {
-            auto &&curMap = mps[i];
-            cnt[i] = 0;
-            read(op);
-            ops[i] = op;
-            if (op == 1)
-            {
-                curMap.clear();
-                int k, x;
-                read(k);
-                while (k--) read(x), curMap.push_back(x);
-            }
-            if (op == 2)
-            {
-                int x, y;
-                read(x, y);
-                ch[i] = {x, y};
-            }
-        }
-        cnt[n] = 1;
-        for (int i = n; i; i--)
-            if (ops[i] == 2) cnt[ch[i].first] += cnt[i], cnt[ch[i].second] += cnt[i];
-        /*map<ll, ll> endMap;
-        for (int i = n; i; i--)
-            if (ops[i] == 1)
-                for (auto &&p : mps[i])
-                    endMap[p] += cnt[i];
-        pair<ll, ll> mx = {0, 0};
-        ll len = 0, ans = 0;
-        for (auto &&p : endMap) mx = max(mx, {p.second, p.first}), len += p.second;*/
-        ll mx = 0, mxcnt = 0, len = 0;
-        for (int i = 1; i <= n; i++)
-            if (ops[i] == 1 && cnt[i])
-                for (auto j : mps[i])
-                {
-                    if (mx == 0)
-                        mx = j, mxcnt += cnt[i];
-                    else if (mx == j)
-                        mxcnt += cnt[i];
-                    else
-                    {
-                        if (cnt[i] > mxcnt)
-                            mx = j, mxcnt = cnt[i] - mxcnt;
-                        else
-                            mxcnt -= cnt[i];
-                    }
-                    len += cnt[i];
-                }
-        ll tot = 0;
-        for (int i = 1; i <= n; i++)
-            if (ops[i] == 1 && cnt[i])
-                for (auto j : mps[i])
-                    if (j == mx) tot += cnt[i];
-        printf("%lld\n", (tot << 1) <= len ? len : (len - tot) << 1);
-    }
-    return 0;
-}
\ No newline at end of file
diff --git a/tmp/K.cpp b/tmp/K.cpp
deleted file mode 100644
index 4a3594e..0000000
--- a/tmp/K.cpp
+++ /dev/null
@@ -1,106 +0,0 @@
-#define _CRT_SECURE_NO_WARNINGS
-#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
-#include <bits/stdc++.h>
-using namespace std;
-#define CRP(t, x) const t &x
-#define OPX(op, t, x) operator op(CRP(t, x))
-#define OPL(t, x) bool OPX(<, t, x) const
-#define FIL(x, v) memset(x, v, sizeof(x))
-#define CLR(x) FIL(x, 0)
-#define NE1(x) FIL(x, -1)
-#define INF(x) FIL(x, 0x3f)
-#ifndef _DEBUG
-#define _DEBUG 0
-#endif // !_DEBUG
-#define IFD if (_DEBUG)
-typedef long long ll, i64;
-
-constexpr double eps = 1e-8;
-int sgn(double x)
-{
-    if (x > eps)
-        return 1;
-    if (x < -eps)
-        return -1;
-    return 0;
-}
-template <typename T>
-using enable_if_arithmetic = typename enable_if<is_arithmetic<T>::value>::type;
-template <typename T>
-using enable_if_integral = typename enable_if<is_integral<T>::value>::type;
-template <typename T, typename = enable_if_arithmetic<T>>
-struct Point
-{
-    T x, y;
-    Point OPX(-, Point, rhs) const { return {x - rhs.x, y - rhs.y}; }
-    T OPX(*, Point, rhs) const { return x * rhs.x + y * rhs.y; }
-    T OPX (^, Point, rhs) const { return x * rhs.y - y * rhs.x; }
-    T len2() const { return x * x + y * y; }
-    double len() const { return sqrt(len2()); }
-};
-template <typename T>
-struct Line
-{
-    Point<T> s, e;
-    T len2() const { return (s - e).len2(); }
-    double len() const { return (s - e).len(); }
-    bool contains(CRP(Point<T>, p)) const { return sgn((s - p) ^ (e - p)) == 0 && sgn((s - p) * (e - p)) <= 0; }
-};
-#define Point Point<double>
-#define Line Line<double>
-double area(CRP(Point, p1), CRP(Point, p2), CRP(Point, p3))
-{
-    return abs((p3 - p1) ^ (p2 - p1));
-}
-int main2()
-{
-    Point p[3], e;
-    while (~scanf("%lf%lf%lf%lf%lf%lf%lf%lf", &p[0].x, &p[0].y, &p[1].x, &p[1].y, &p[2].x, &p[2].y, &e.x, &e.y))
-    {
-        Line ls[3] = {{p[1], p[2]}, {p[0], p[2]}, {p[0], p[1]}};
-        bool flag = true;
-        for (int i = 0; i < 3 && flag; i++)
-            if (ls[i].contains(e))
-            {
-                int l = (i + 2) % 3, r = (i + 1) % 3;
-                int near = (e - p[l]).len2() < (e - p[r]).len2() ? l : r;
-                int other = l + r - near;
-                double len = ls[i].len() * ls[near].len() / 2 / (e - p[other]).len();
-                double fulllen = ls[near].len();
-                Point dif = p[i] - p[other];
-                printf("%.12lf %.12lf\n", p[other].x + dif.x * len / fulllen, p[other].y + dif.y * len / fulllen);
-                if (sgn(area(p[other], e, {p[other].x + dif.x * len / fulllen, p[other].y + dif.y * len / fulllen}) * 2 - area(p[0], p[1], p[2])))
-                    return -1;
-                flag = false;
-            }
-        if (flag)
-            puts("-1");
-    }
-    return 0;
-}
-int main()
-{
-    Point p[3], e;
-    while (~scanf("%lf%lf%lf%lf%lf%lf%lf%lf", &p[0].x, &p[0].y, &p[1].x, &p[1].y, &p[2].x, &p[2].y, &e.x, &e.y))
-    {
-        Line ls[3] = {{p[1], p[2]}, {p[0], p[2]}, {p[0], p[1]}};
-        bool flag = true;
-        for (int i = 0; i < 3 && flag; i++)
-            if (ls[i].contains(e))
-            {
-                int l = (i + 2) % 3, r = (i + 1) % 3;
-                int near = (e - p[l]).len2() < (e - p[r]).len2() ? l : r;
-                int other = l + r - near;
-                double len = sqrt(ls[i].len2() * ls[near].len2() / 4 / (e - p[other]).len2());
-                double fulllen = ls[near].len();
-                Point dif = p[i] - p[other];
-                printf("%.12lf %.12lf\n", p[other].x + dif.x * len / fulllen, p[other].y + dif.y * len / fulllen);
-                if (sgn(area(p[other], e, {p[other].x + dif.x * len / fulllen, p[other].y + dif.y * len / fulllen}) * 2 - area(p[0], p[1], p[2])))
-                    return -1;
-                flag = false;
-            }
-        if (flag)
-            puts("-1");
-    }
-    return 0;
-}
\ No newline at end of file
diff --git a/tmp/s01.cpp b/tmp/s01.cpp
deleted file mode 100644
index 8a24859..0000000
--- a/tmp/s01.cpp
+++ /dev/null
@@ -1,61 +0,0 @@
-#define _CRT_SECURE_NO_WARNINGS
-#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
-#include <bits/stdc++.h>
-using namespace std;
-#define CRP(t, x) const t &x
-#define OPX(op, t, x) operator op(CRP(t, x))
-#define OPL(t, x) bool OPX(<, t, x) const
-#define FIL(x, v) memset(x, v, sizeof(x))
-#define CLR(x) FIL(x, 0)
-#define NE1(x) FIL(x, -1)
-#define INF(x) FIL(x, 0x3f)
-#ifndef _DEBUG
-#define _DEBUG 0
-#endif // !_DEBUG
-#define IFD if (_DEBUG)
-typedef int64_t ll, i64;
-typedef uint64_t ull, u64;
-template <typename T>
-using enable_if_arithmetic = typename enable_if<is_arithmetic<T>::value>::type;
-template <typename T>
-using enable_if_integral = typename enable_if<is_integral<T>::value>::type;
-inline char getchar(int)
-{
-    static char buf[64 << 20], *S = buf, *T = buf;
-    if (S == T) T = fread(S = buf, 1, 64 << 20, stdin) + S;
-    return S == T ? EOF : *S++;
-}
-template <typename T, typename = enable_if_integral<T>>
-inline void read(T &x)
-{
-    int ch = x = 0, f = 1;
-    while (!isdigit(ch = getchar()))
-        if (ch == '-') f = -1;
-    for (; isdigit(ch); ch = getchar()) x = x * 10 + ch - '0';
-    x *= f;
-}
-template <typename T, typename... Args, typename = enable_if_integral<T>>
-inline void read(T &x, Args &... args) { read(x), read(args...); }
-ll gcd(ll a, ll b) { return b == 0 ? a : gcd(b, a % b); }
-ll fpow(ll a, ll b, ll m)
-{
-    ll r = 1;
-    for (; b; b >>= 1, a = a * a % m)
-        if (b & 1) r = r * a % m;
-    return r;
-}
-constexpr double eps = 1e-8;
-inline int sgn(double x) { return x > eps ? 1 : x < -eps ? -1 : 0; }
-const int N = 1e4 + 50;
-int minfac[N], primes[N], pcnt;
-int main()
-{
-    for (ll i = 2; i < N; i++)
-    {
-        if (minfac[i] == 0)
-            minfac[i] = i, primes[pcnt++] = i;
-        for (int j = 0; j < pcnt && primes[j] <= minfac[i] && i * primes[j] < N; j++)
-            minfac[i * primes[j]] = primes[j];
-    }
-    return 0;
-}
\ No newline at end of file
diff --git a/tmp/test1.ipynb b/tmp/test1.ipynb
deleted file mode 100644
index fe40569..0000000
--- a/tmp/test1.ipynb
+++ /dev/null
@@ -1,49 +0,0 @@
-{
- "nbformat": 4,
- "nbformat_minor": 2,
- "metadata": {
-  "language_info": {
-   "name": "python",
-   "codemirror_mode": {
-    "name": "ipython",
-    "version": 3
-   }
-  },
-  "orig_nbformat": 2,
-  "file_extension": ".py",
-  "mimetype": "text/x-python",
-  "name": "python",
-  "npconvert_exporter": "python",
-  "pygments_lexer": "ipython3",
-  "version": 3
- },
- "cells": [
-  {
-   "cell_type": "code",
-   "execution_count": 11,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "import numpy as np"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 14,
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": "array([[0., 0., 0.],\n       [0., 0., 0.],\n       [0., 0., 0.],\n       [0., 0., 0.],\n       [0., 0., 0.]])"
-     },
-     "execution_count": 14,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "np.zeros((5,3))"
-   ]
-  }
- ]
-}
\ No newline at end of file
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