output stringlengths 52 181k | instruction stringlengths 296 182k |
|---|---|
#include <bits/stdc++.h>
using namespace std;
const int N = 200010, M = 262222, mo = 998244353;
int n, K, h[N], tot, e[N], nxt[N], sz[N], cnt, d[N], vis[N], ans, g[N], son[N],
sum, Fac[N], FInv[N], Inv[M];
int w[M], W[20][M], f[20][M], a[M], b[M], m, ti, pos[20][M], t[M];
void Add(int x, int y) {
e[++tot] = y;
... | ### Prompt
Create a solution in cpp for the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of thes... |
#include <bits/stdc++.h>
using namespace std;
inline int read() {
int x = 0, c;
while (!isdigit(c = getchar()))
;
while (x = x * 10 + c - '0', isdigit(c = getchar()))
;
return x;
}
struct edge {
int to, next;
} e[262144 << 1];
int cnt, last[262144];
inline void insert(int x, int y) {
e[++cnt].to = y... | ### Prompt
Generate a Cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of these ... |
#include <bits/stdc++.h>
using namespace std;
const int N = 3e5 + 5;
const int mod = 998244353;
const int g = 3;
int Pow(long long a, int x, const int &mod) {
long long res = 1;
while (x) {
if (x & 1) (res *= a) %= mod;
(a *= a) %= mod;
x >>= 1;
}
return res;
}
void NTT(int *a, int n, int rev) {
f... | ### Prompt
In cpp, your task is to solve the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of the... |
#include <bits/stdc++.h>
using namespace std;
void file_put() {
freopen("filename.in", "r", stdin);
freopen("filename.out", "w", stdout);
}
long long Pow(long long x, long long k, long long _p) {
long long ans = 1;
for (; k; k >>= 1, x = x * x % _p)
if (k & 1) (ans *= x) %= _p;
return ans;
}
const int N =... | ### Prompt
Construct a CPP code solution to the problem outlined:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of t... |
#include <bits/stdc++.h>
using namespace std;
const int N = 100005;
const int mod = 998244353;
int n, kk, fac[N], inv[N];
vector<int> g[N];
void add(int& x, int y) { x = x + y < mod ? x + y : x + y - mod; }
int pw(int x, int y) {
int t = 1;
for (; y; y >>= 1) {
if (y & 1) t = (long long)t * x % mod;
x = (lo... | ### Prompt
Create a solution in Cpp for the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of thes... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
const int MOD = 998244353;
const int g = 3;
inline int Mul(int a, int b) {
unsigned long long x = (long long)a * b;
unsigned xh = (unsigned)(x >> 32), xl = (unsigned)x, d, m;
asm("divl %4;\n\t" : "=a"(d), "=d"(m) : "d"(xh), "a"(xl), "r"(MOD));
... | ### Prompt
Create a solution in cpp for the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of thes... |
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 2e5 + 5;
const int P = 998244353;
template <typename T>
void chkmax(T &x, T y) {
x = max(x, y);
}
template <typename T>
void chkmin(T &x, T y) {
x = min(x, y);
}
template <typename T>
void read(T &x) {
x = 0;
int f = 1;
char c = getchar();
for (... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exa... |
#include <bits/stdc++.h>
using namespace std;
long long v[500010 * 2], nxt[500010 * 2], h[500010], ec, n, k, b[500010],
jc[500010], ijc[500010], sz[500010], a[20][500010], r, s[500010],
rev[500010], va, f[500010];
void add(long long x, long long y) {
v[++ec] = y;
nxt[ec] = h[x];
h[x] = ec;
}
struct no {
... | ### Prompt
Generate a cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of these ... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 10;
const int mod = 998244353;
int gi() {
int x = 0, o = 1;
char ch = getchar();
while ((ch < '0' || ch > '9') && ch != '-') ch = getchar();
if (ch == '-') o = -1, ch = getchar();
while (ch >= '0' && ch <= '9') x = x * 10 + ch - '0', ch = getch... | ### Prompt
Please create a solution in Cpp to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
template <typename T>
void pfill(T* pst, const T* ped, T val) {
for (; pst != ped; *(pst++) = val)
;
}
template <typename T>
void pcopy(T* pst, const T* ped, T* pval) {
for (; pst != ped; *(pst++) = *(pval++))
;
}
const int N = 262144;
const int Mod = 998244353;... | ### Prompt
Your task is to create a CPP solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly... |
#include <bits/stdc++.h>
using namespace std;
bool Ka;
const int mo = 998244353, G = 3, inv2 = (mo + 1) / 2;
int n, m, s, e, cnt = 1, HEAD[100005], inv, T[100005];
int Ne[100005 * 2], E[100005 * 2], ma, pre, base, ans;
int Num[100005 << 1], Pre[2][100005 << 1], len, sum;
int son, Son[100005], SZ[100005], Sum[100005], x... | ### Prompt
Generate a CPP solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of these ... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
const int MOD = 998244353;
const int g = 3;
inline int Mul(int a, int b) {
unsigned long long x = (long long)a * b;
unsigned xh = (unsigned)(x >> 32), xl = (unsigned)x, d, m;
asm("divl %4;\n\t" : "=a"(d), "=d"(m) : "d"(xh), "a"(xl), "r"(MOD));
... | ### Prompt
Please provide a cpp coded solution to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exa... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 10, M = (1 << 18) + 10, mod = 998244353;
long long rd() {
long long x = 0, w = 1;
char ch = 0;
while (ch < '0' || ch > '9') {
if (ch == '-') w = -1;
ch = getchar();
}
while (ch >= '0' && ch <= '9') {
x = x * 10 + (ch ^ 48);
ch =... | ### Prompt
Generate a CPP solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of these ... |
#include <bits/stdc++.h>
using namespace std;
inline long long Getint() {
char ch = getchar();
long long x = 0, fh = 1;
while (ch < '0' || ch > '9') {
if (ch == '-') fh = -1;
ch = getchar();
}
while (ch >= '0' && ch <= '9') {
(x *= 10) += ch ^ 48;
ch = getchar();
}
return x * fh;
}
const l... | ### Prompt
Your task is to create a CPP solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly... |
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 100005;
const int mod = 998244353;
const int prr = 3;
using lint = long long;
using ll = long long;
using pi = pair<int, int>;
vector<int> gph[MAXN];
int par[MAXN], sz[MAXN];
lint dp[MAXN], up[MAXN];
lint dfs2(int x, int p) {
lint ans = 0;
lint tmp = 0;... | ### Prompt
Construct a CPP code solution to the problem outlined:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of t... |
#include <bits/stdc++.h>
const int N = 100005;
const int MOD = 998244353;
int n, k, cnt, last[N], jc[N], ny[N], a[20][N * 2], b[N], tot, rev[N * 2],
size[N], f[N], s[N], L, ans;
struct edge {
int to, next;
} e[N * 2];
struct data {
int x, y;
} t[N];
int read() {
int x = 0, f = 1;
char ch = getchar();
whil... | ### Prompt
Create a solution in CPP for the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of thes... |
#include <bits/stdc++.h>
using namespace std;
const int N = 100005, P = 998244353, maxn = 1 << 17 | 1;
int fpow(int a, int b) {
long long d = 1, x = a;
while (b) {
if (b & 1) d = d * x % P;
x = x * x % P;
b >>= 1;
}
return d;
}
int n, K, inv[N], fac[N], ifac[N], sz[N], son[N], fe[N], cnt, se, jk, su... | ### Prompt
Generate a CPP solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of these ... |
#include <bits/stdc++.h>
const int mod = 998244353;
inline void add(int &x, int y) { (x += y) >= mod && (x -= mod); }
inline int Add(int x, int y) { return add(x, y), x; }
inline void sub(int &x, int y) { (x -= y) < 0 && (x += mod); }
inline int Sub(int x, int y) { return sub(x, y), x; }
inline void mul(int &x, int y) ... | ### Prompt
Develop a solution in cpp to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
const int N = (1 << 18) + 7, P = 998244353, inv2 = (P + 1) / 2;
int upd(int x) { return x + (x >> 31 & P); }
int n, K, sum1, sum2, f[N], g[N], sz[N], ans, fac[N], ifac[N];
vector<pair<vector<int>, vector<int> > > pol;
vector<int> nxt[N];
int binom(int x, int y) {
if (x < ... | ### Prompt
Generate a CPP solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of these ... |
#include <bits/stdc++.h>
using namespace std;
long long gcd(long long a, long long b) { return b == 0 ? a : gcd(b, a % b); }
const int MAXN = 100000;
const int MAXPATH = 100000;
const int MOD = 998244353;
const int PRIMROOT = 3;
int pw(int x, int n) {
int ret = 1;
while (true) {
if (n & 1) ret = (long long)ret ... | ### Prompt
Your task is to create a Cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly... |
#include <bits/stdc++.h>
template <typename T>
inline void read(T &x) {
x = 0;
char c = getchar();
bool flag = false;
while (!isdigit(c)) {
if (c == '-') flag = true;
c = getchar();
}
while (isdigit(c)) {
x = (x << 1) + (x << 3) + (c ^ 48);
c = getchar();
}
if (flag) x = -x;
}
using name... | ### Prompt
Develop a solution in CPP to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
#pragma GCC optimize(2)
using namespace std;
const int N = 2e5 + 10;
const int MOD = 998244353;
const int STP = 119;
const int MXL = 8388608;
const int g = 3;
inline int Mul(int a, int b) {
unsigned long long x = (long long)a * b;
unsigned xh = (unsigned)(x >> 32), xl = (unsigned)x, d, m;
... | ### Prompt
Please create a solution in CPP to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 15e4 + 10, mod = 998244353;
vector<int> v[maxn];
int SZ[maxn], pr[maxn], n;
int valf[maxn], valf2[maxn];
int arr1[maxn], arr2[maxn];
int fac[maxn], ifac[maxn];
int dp1[maxn], dp2[maxn];
void prep(int u, int par = 0) {
pr[u] = par;
SZ[u] = 1;
for (int ... | ### Prompt
Construct a CPP code solution to the problem outlined:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of t... |
#include <bits/stdc++.h>
using namespace std;
int n, k;
const int Q = 1 << 18;
vector<int> g[Q];
int si[Q], f[Q], sm[Q];
const int MOD = 998244353;
inline int add(int a, int b) {
a += b;
return a >= MOD ? a - MOD : a;
}
inline int sub(int a, int b) {
a -= b;
return a < 0 ? a + MOD : a;
}
inline int mul(int a, i... | ### Prompt
Please create a solution in Cpp to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
inline int read() {
int x = 0, f = 1;
char ch = getchar();
while (!isdigit(ch)) f = ch == '-' ? -1 : f, ch = getchar();
while (isdigit(ch)) x = x * 10 + ch - '0', ch = getchar();
return x * f;
}
const int P = 998244353;
inline void add(int &x, int y) { x = x + y >... | ### Prompt
Please formulate a CPP solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
const int MOD = 998244353;
struct mod_int {
int val;
mod_int(long long v = 0) {
if (v < 0) v = v % MOD + MOD;
if (v >= MOD) v %= MOD;
val = v;
}
static int mod_inv(int a, int m = MOD) {
int g = m, r = a, x = 0, y = 1;
while (r != 0) {
int q... | ### Prompt
Create a solution in CPP for the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of thes... |
#include <bits/stdc++.h>
using namespace std;
const int mo = 998244353;
const int FFTN = (1 << 17);
const int N = FFTN + 5;
int fac[N], inv[N];
int A[N], B[N], R[N];
int w[N], W[N];
unsigned long long p[N];
int power(int x, int y) {
int s = 1;
for (; y; y /= 2, x = 1ll * x * x % mo)
if (y & 1) s = 1ll * s * x %... | ### Prompt
Please create a solution in Cpp to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e5 + 5;
const int md = 998244353;
inline void add(int &a, int b) {
a += b;
if (a >= md) a -= md;
}
inline void sub(int &a, int b) {
a -= b;
if (a < 0) a += md;
}
inline int mul(int a, int b) { return (int)((long long)a * b % md); }
inline int power... | ### Prompt
Develop a solution in Cpp to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
inline void read(int &x) {
int v = 0, f = 1;
char c = getchar();
while (!isdigit(c) && c != '-') c = getchar();
if (c == '-')
f = -1;
else
v = v * 10 + c - '0';
while (isdigit(c = getchar())) v = v * 10 + c - '0';
x = v * f;
}
inline void read(long lon... | ### Prompt
Your challenge is to write a Cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exa... |
#include <bits/stdc++.h>
using namespace std;
const int maxn(4e5 + 5);
const int mod(998244353);
inline void Inc(int &x, int y) { x = x + y >= mod ? x + y - mod : x + y; }
inline void Dec(int &x, int y) { x = x - y < 0 ? x - y + mod : x - y; }
inline int Add(int x, int y) { return x + y >= mod ? x + y - mod : x + y; }
... | ### Prompt
Develop a solution in cpp to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
struct MI {
private:
char bb[4096];
FILE *f;
char *bs, *be;
char e;
bool o, l;
public:
MI() : f(stdin) {}
inline char get() {
if (o) {
o = 0;
return e;
}
if (bs == be) be = (bs = bb) + fread(bb, 1, sizeof(bb), f);
if (bs == be) {
l = 1;
r... | ### Prompt
Generate a CPP solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of these ... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 10;
const int mod = 998244353;
inline long long read() {
long long data = 0, w = 1;
char ch = getchar();
while (ch != '-' && (ch < '0' || ch > '9')) ch = getchar();
if (ch == '-') w = -1, ch = getchar();
while (ch <= '9' && ch >= '0') data = da... | ### Prompt
Your challenge is to write a Cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exa... |
#include <bits/stdc++.h>
using namespace std;
int n, k, tot, x, y, last;
long long ans;
const int N = 100010, mod = 998244353, G = 3, Ginv = (mod + 1) / 3;
int head[N], to[N << 1], nt[N << 1], r[N << 2], siz[N], jc[N], inv[N], f[N],
sum[N], val1[N], val2[N];
inline int read() {
int res = 0;
char ch = getchar();... | ### Prompt
Create a solution in cpp for the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of thes... |
#include <bits/stdc++.h>
using std ::lower_bound;
using std ::reverse;
using std ::sort;
using std ::swap;
using std ::unique;
template <typename T>
T max(T x, T y) {
return (x > y) ? x : y;
}
template <typename T>
T min(T x, T y) {
return (x < y) ? x : y;
}
template <typename T>
bool chkmax(T &x, T y) {
return (... | ### Prompt
Create a solution in CPP for the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of thes... |
#include <bits/stdc++.h>
using namespace std;
inline int read() {
register int X = 0;
register char ch = 0;
while (ch < 48 || ch > 57) ch = getchar();
while (ch >= 48 && ch <= 57) X = X * 10 + (ch ^ 48), ch = getchar();
return X;
}
long long powM(long long a, int t = 998244353 - 2) {
long long ans = 1;
wh... | ### Prompt
Please provide a CPP coded solution to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exa... |
#include <bits/stdc++.h>
using namespace std;
template <typename T>
void read(T &x) {
x = 0;
bool f = 0;
char c = getchar();
for (; !isdigit(c); c = getchar())
if (c == '-') f = 1;
for (; isdigit(c); c = getchar()) x = x * 10 + (c ^ 48);
if (f) x = -x;
}
template <typename F>
inline void write(F x, char... | ### Prompt
In CPP, your task is to solve the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of the... |
#include <bits/stdc++.h>
using namespace std;
inline int gi() {
int data = 0, m = 1;
char ch = 0;
while (ch != '-' && (ch < '0' || ch > '9')) ch = getchar();
if (ch == '-') {
m = 0;
ch = getchar();
}
while (ch >= '0' && ch <= '9') {
data = (data << 1) + (data << 3) + (ch ^ 48);
ch = getchar(... | ### Prompt
Please create a solution in CPP to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
const int Imx = 2147483647;
const long long Lbig = 2e18;
struct fastio {
char s[100000];
int it, len;
fastio() { it = len = 0; }
inline char get() {
if (it < len) return s[it++];
it = 0;
len = fread(s, 1, 100000, stdin);
if (len == 0)
return EO... | ### Prompt
Please formulate a cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
#pragma GCC optimize "-O3"
using namespace std;
const long long mod = 119 << 23 | 1;
const long long N = 1e5 + 1;
void add(long long &a, long long b) {
a += b;
if (a >= mod) a -= mod;
if (a < 0) a += mod;
}
long long Fac[N], Inv[N];
long long Ckn(long long n, long long k) {
if (n < k ||... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exa... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
const int MOD = 998244353;
const int g = 3;
int qpow(int x, int y = MOD - 2) {
int res = 1;
for (; y; y >>= 1, x = (long long)x * x % MOD)
if (y & 1) res = (long long)res * x % MOD;
return res;
}
int n, K, jc[N], njc[N];
void Prework() {
... | ### Prompt
Construct a cpp code solution to the problem outlined:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of t... |
#include <bits/stdc++.h>
using namespace std;
inline long long rd() {
long long x = 0, w = 1;
char c = getchar();
while (!isdigit(c) && c != '-') c = getchar();
if (c == '-') c = getchar(), w = -1;
while (isdigit(c)) x = x * 10 + c - 48, c = getchar();
return x * w;
}
const int N = 262150, P = 998244353, iv... | ### Prompt
Construct a CPP code solution to the problem outlined:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of t... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5, MOD = 998244353, P = 18;
int fac[N], inv[N], invc[N], w[2][1 << P], rev[1 << P];
inline int add(int a, const int &b) {
if ((a += b) >= MOD) a -= MOD;
return a;
}
inline int sub(int a, const int &b) {
if ((a -= b) < 0) a += MOD;
return a;
}
inl... | ### Prompt
Please formulate a cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
const int MOD = 998244353;
const int STP = 119;
const int MXL = 8388608;
const int g = 3;
inline int Mul(int a, int b) {
unsigned long long x = (long long)a * b;
unsigned xh = (unsigned)(x >> 32), xl = (unsigned)x, d, m;
asm("divl %4;\n\t" : "=... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exa... |
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
using namespace std;
const int maxN = (int)1e5 + 100;
int n, k;
const int mod = 998244353;
int sum(int a, int b) {
int s = a + b;
if (s >= mod) s -= mod;
return s;
}
int sub(int a, int b) {
int s = a - b;
if (s < 0) s += mod;
return s;
}
int mult(int a, in... | ### Prompt
Please create a solution in CPP to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1.1e5, Mod = 998244353;
int n, m, cnt = 1, ans, hd[N], sz[N], d[N], sum[N], *g[N * 4], fac[N], inv[N],
numinv[N];
struct edge {
int v, sz, pw, cnt, nxt;
} e[N * 2];
int Pow(int x, int y) {
if (y < 0) y += Mod - 1;
int ret = 1;
while (y) {
... | ### Prompt
Please create a solution in cpp to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
const int N = 100005 * 10;
const int MOD = 998244353;
const int G = 3;
const int GI = 332748118;
int add(int x, int y) {
x = x + y;
return x >= MOD ? x - MOD : x;
}
int mul(int x, int y) { return (long long)x * y % MOD; }
int dec(int x, int y) {
x = x - y;
return x ... | ### Prompt
Your task is to create a cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly... |
#include <bits/stdc++.h>
using namespace std;
const int P = 998244353;
int ad(int k1, int k2) { return k1 += k2 - P, k1 += k1 >> 31 & P; }
int su(int k1, int k2) { return k1 -= k2, k1 += k1 >> 31 & P; }
int mu(int k1, int k2) { return 1LL * k1 * k2 % P; }
int po(int k1, int k2) {
int k3 = 1;
for (; k2; k2 >>= 1, k1... | ### Prompt
Develop a solution in Cpp to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1 << 21 | 1, M = 998244353;
int rev[N], w[N], a[N], fac[N], inv[N], n, m, b[N], val[N], val3[N], num[N],
Ans, size[N], zz[N], ne[N], tot, x, y, fi[N], c[N];
inline void reduce(int& x) { x += x >> 31 & M; }
inline int ksm(int x, int y) {
int ans = 1;
fo... | ### Prompt
Develop a solution in cpp to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
const int N = 100005;
const int MOD = 998244353;
int n, k, cnt, last[N], jc[N], ny[N], a[20][N * 2], b[N], tot, rev[N * 2],
size[N], dp[N], sum[N], L, ans;
struct edge {
int to, next;
} e[N * 2];
struct data {
int x, y;
} t[N];
int read() {
int x = 0, f = 1;
char ch = getchar();
w... | ### Prompt
Please create a solution in cpp to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
template <typename T>
void read(T &x) {
x = 0;
bool f = 0;
char c = getchar();
for (; !isdigit(c); c = getchar())
if (c == '-') f = 1;
for (; isdigit(c); c = getchar()) x = x * 10 + (c ^ 48);
if (f) x = -x;
}
template <typename F>
inline void write(F x, char... | ### Prompt
Please formulate a cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
template <class T>
bool uin(T &a, T b) {
return a > b ? (a = b, true) : false;
}
template <class T>
bool uax(T &a, T b) {
return a < b ? (a = b, true) : false;
}
const long long P = 998244353;
const int maxn = 1 << 18;
void add(int &x, int y) {
x += y;
if (x >= P) x... | ### Prompt
Generate a CPP solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of these ... |
#include <bits/stdc++.h>
const int MAXN = 262145;
const int mod = 998244353;
void reduce(int& x) { x += x >> 31 & mod; }
int mul(int a, int b) { return (long long)a * b % mod; }
int pow(int a, int b, int res = 1) {
for (; b; b >>= 1, a = mul(a, a))
if (b & 1) res = mul(res, a);
return res;
}
int remod(long long... | ### Prompt
Create a solution in CPP for the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of thes... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
const int MOD = 998244353;
const int g = 3;
inline int Mul(int a, int b) {
unsigned long long x = (long long)a * b;
unsigned xh = (unsigned)(x >> 32), xl = (unsigned)x, d, m;
asm("divl %4; \n\t" : "=a"(d), "=d"(m) : "d"(xh), "a"(xl), "r"(MOD));... | ### Prompt
Construct a CPP code solution to the problem outlined:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of t... |
#include <bits/stdc++.h>
using namespace std;
using cat = long long;
unsigned long long MOD = 998244353LL;
unsigned long long pw(unsigned long long a, unsigned long long e) {
if (e <= 0) return 1;
unsigned long long x = pw(a, e / 2);
x = (x * x) % MOD;
if (e % 2 != 0) x = (x * a) % MOD;
return x;
}
unsigned l... | ### Prompt
Your task is to create a CPP solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly... |
#include <bits/stdc++.h>
using namespace std;
const int INF = 0x3fffffff;
const int SINF = 0x7fffffff;
const long long LINF = 0x3fffffffffffffff;
const long long SLINF = 0x7fffffffffffffff;
const int MAXN = 100007;
const int MAXS = 400007;
const int MAXL = 31;
const int MOD = 998244353;
const int RT = 3;
struct eT {
... | ### Prompt
Create a solution in cpp for the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of thes... |
#include <bits/stdc++.h>
using namespace std;
template <typename T>
ostream &operator<<(ostream &os, const vector<T> &v) {
os << "{";
for (typename vector<T>::const_iterator vi = v.begin(); vi != v.end(); ++vi) {
if (vi != v.begin()) os << ", ";
os << *vi;
}
os << "}";
return os;
}
template <>
ostream... | ### Prompt
Your task is to create a cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly... |
#include <bits/stdc++.h>
using namespace std;
const int maxN = 303000;
const int maxM = maxN << 1;
const int G = 3;
const int Mod = 998244353;
const int maxB = 18;
int n, K, Ans = 0;
int Fc[maxN], Ifc[maxN], R[maxN];
int edgecnt = 0, Head[maxN], Next[maxM], V[maxM];
int F[maxN], Sz[maxN], Seq[maxN], Bp[maxB][maxN], St[... | ### Prompt
Construct a cpp code solution to the problem outlined:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of t... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
const int MOD = 998244353;
const int g = 3;
inline int Mul(int a, int b) {
unsigned long long x = (long long)a * b;
unsigned xh = (unsigned)(x >> 32), xl = (unsigned)x, d, m;
asm("divl %4;\n\t" : "=a"(d), "=d"(m) : "d"(xh), "a"(xl), "r"(MOD));
... | ### Prompt
Your challenge is to write a Cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exa... |
#include <bits/stdc++.h>
using namespace std;
template <typename T, typename U>
inline void smin(T &a, U b) {
if (a > b) a = b;
}
template <typename T, typename U>
inline void smax(T &a, U b) {
if (a < b) a = b;
}
template <class T>
inline void gn(T &first) {
char c, sg = 0;
while (c = getchar(), (c > '9' || c ... | ### Prompt
Please formulate a Cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
int read() {
char c = getchar();
int d = 0, f = 1;
for (; c < '0' || c > '9'; c = getchar())
if (c == '-') f = -1;
for (; c >= '0' && c <= '9'; d = d * 10 + c - 48, c = getchar())
;
return d * f;
}
const int mod = 998244353, G = 3;
const int N = 100001;
vo... | ### Prompt
Create a solution in Cpp for the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of thes... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 100005;
const int mod = 998244353;
int n, k, siz[maxn], rev[maxn << 2];
long long f[maxn], sf[maxn], fac[maxn], inv_fac[maxn], G[40][2], sx, sy, ans;
vector<int> g[maxn];
vector<long long> p[maxn << 2], q[maxn << 2];
inline long long fpow(long long a, long ... | ### Prompt
Generate a CPP solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of these ... |
#include <bits/stdc++.h>
using namespace std;
template <typename T1, typename T2>
inline T1 max(T1 a, T2 b) {
return a < b ? b : a;
}
template <typename T1, typename T2>
inline T1 min(T1 a, T2 b) {
return a < b ? a : b;
}
const char lf = '\n';
namespace ae86 {
const int bufl = 1 << 15;
char buf[bufl], *s = buf, *t ... | ### Prompt
Construct a cpp code solution to the problem outlined:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of t... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1.4e5, mo = 998244353;
int n, M, K, t, sns[N];
int w[N * 2], ne[N * 2], la[N], size[N], fa[N], r[N];
long long f[N], g[N], ccnt;
int jc[N], ny[N];
void read(int &n) {
char c;
for (; (c = getchar()) < '0' || c > '9';)
;
for (n = 0; c <= '9' && c >= '0... | ### Prompt
Please provide a cpp coded solution to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exa... |
#include <bits/stdc++.h>
using namespace std;
void file_put() {
freopen("filename.in", "r", stdin);
freopen("filename.out", "w", stdout);
}
long long Pow(long long x, long long k, long long _p) {
long long ans = 1;
for (; k; k >>= 1, x = x * x % _p)
if (k & 1) (ans *= x) %= _p;
return ans;
}
const int N =... | ### Prompt
Please provide a CPP coded solution to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exa... |
#include <bits/stdc++.h>
using namespace std;
namespace IO {
const int BUFFER_SIZE = 1 << 15;
char input_buffer[BUFFER_SIZE];
int input_pos = 0, input_len = 0;
void _update_input_buffer() {
input_len = fread(input_buffer, sizeof(char), BUFFER_SIZE, stdin);
input_pos = 0;
if (input_len == 0) input_buffer[0] = EOF;... | ### Prompt
Please create a solution in Cpp to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
void read(int &x) {
x = 0;
char ch;
while (!isdigit(ch = getchar()))
;
while (isdigit(ch)) x = x * 10 + ch - '0', ch = getchar();
}
const int MaxN = 400010;
const int N = 1 << 18, G = 3;
const int mod = 998244353;
int exp(int a, int n) {
int res = 1;
for (; ... | ### Prompt
Please create a solution in Cpp to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
const int MOD = 998244353, G = 3, _ = 1 << 18;
int upd(int x) { return x + (x >> 31 & MOD); }
int poww(long long a, int b) {
int tms = 1;
while (b) {
if (b & 1) tms = tms * a % MOD;
a = a * a % MOD;
b >>= 1;
}
return tms;
}
int dir[_], need, invnd, w[_];... | ### Prompt
In Cpp, your task is to solve the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of the... |
#include <bits/stdc++.h>
using namespace std;
bool s1;
char o;
int Read() {
bool f = 1;
while (!isdigit(o = getchar()))
if (o == '-') f = 0;
int res = o ^ 48;
while (isdigit(o = getchar())) res = (res << 3) + (res << 1) + (o ^ 48);
return f ? res : -res;
}
int n, m, dp[100006], sum[100006], sz[100006], Q[... | ### Prompt
Please formulate a cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 100005;
const int mod = 998244353;
int n, k, siz[maxn], rev[maxn << 2];
long long f[maxn], sf[maxn], fac[maxn], inv_fac[maxn], G[40][2], sx, sy, ans;
vector<int> g[maxn];
vector<long long> p[maxn << 2], q[maxn << 2];
inline long long fpow(long long a, long ... | ### Prompt
Generate a CPP solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of these ... |
#include <bits/stdc++.h>
using namespace std;
namespace gbd_ns {
template <typename C>
struct is_iterable {
template <class T>
static long check(...);
template <class T>
static char check(int, typename T::const_iterator = C().end());
enum {
value = sizeof(check<C>(0)) == sizeof(char),
neg_value = size... | ### Prompt
Please formulate a Cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
string to_string(string s) { return '"' + s + '"'; }
string to_string(const char *s) { return to_string((string)s); }
string to_string(bool b) { return (b ? "true" : "false"); }
template <typename A, typename B>
string to_string(pair<A, B> p) {
return "(" + to_string(p.fi... | ### Prompt
Create a solution in cpp for the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of thes... |
#include <bits/stdc++.h>
struct poly {
std::vector<int> a, b;
};
long long gi() {
long long x = 0, f = 1;
char ch = getchar();
while (!isdigit(ch)) f ^= ch == '-', ch = getchar();
while (isdigit(ch)) x = x * 10 + ch - '0', ch = getchar();
return f ? x : -x;
}
int pow(int x, int y) {
int ret = 1;
while (... | ### Prompt
Develop a solution in cpp to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
namespace NTT {
int mbase, base, root;
int w[1 << 19];
int rev[1 << 19];
int modPow(int b, int e) {
int r = 1;
while (e > 0) {
if (e & 1) r = ((long long int)r * b) % 998244353;
e >>= 1;
b = ((long long int)b * b) % 998244353;
}
return r;
}
int setBase(i... | ### Prompt
Construct a cpp code solution to the problem outlined:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of t... |
#include <bits/stdc++.h>
using namespace std;
int get() {
char ch;
while (ch = getchar(), (ch < '0' || ch > '9') && ch != '-')
;
if (ch == '-') {
int s = 0;
while (ch = getchar(), ch >= '0' && ch <= '9') s = s * 10 + ch - '0';
return -s;
}
int s = ch - '0';
while (ch = getchar(), ch >= '0' &... | ### Prompt
Please formulate a cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
const int N = 500010, P = 998244353;
int n, k, cnt, G[N], f[N], g[N], fac[N], inv[N];
struct edge {
int t, nx;
} E[N << 1];
inline void addedge(int x, int y) {
E[++cnt].t = y;
E[cnt].nx = G[x];
G[x] = cnt;
E[++cnt].t = x;
E[cnt].nx = G[y];
G[y] = cnt;
}
int nu... | ### Prompt
Create a solution in cpp for the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of thes... |
#include <bits/stdc++.h>
using namespace std;
inline char read() {
static const int IN_LEN = 1000000;
static char buf[IN_LEN], *s, *t;
return (s == t ? t = (s = buf) + fread(buf, 1, IN_LEN, stdin),
(s == t ? -1 : *s++) : *s++);
}
template <class T>
inline void read(T &x) {
static bool io... | ### Prompt
Develop a solution in CPP to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
const long long MAX_N = 2e5 + 200, mod = 998244353;
int n, k, head[MAX_N], current, siz[MAX_N], fac[MAX_N], fac_inv[MAX_N];
int f[MAX_N], g[MAX_N], dp[MAX_N], gpans;
vector<int> ans[MAX_N];
struct edge {
int to, nxt;
} edges[MAX_N << 1];
int quick_pow(int bas, int tim) {
... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exa... |
#include <bits/stdc++.h>
using namespace std;
int power(int x, int y) {
int s = 1;
for (; y; y /= 2, x = 1ll * x * x % 998244353)
if (y & 1) s = 1ll * s * x % 998244353;
return s;
}
int R[100005 * 10];
void FFT(vector<int> &a, int n, int f) {
for (int i = 0; i < n; i++)
if (i < R[i]) swap(a[i], a[R[i]])... | ### Prompt
Please provide a CPP coded solution to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exa... |
#include <bits/stdc++.h>
using namespace std;
const int md = 998244353;
inline void add(int &a, int b) {
a += b;
if (a >= md) a -= md;
}
inline void sub(int &a, int b) {
a -= b;
if (a < 0) a += md;
}
inline int mul(int a, int b) {
return (int)((long long)a * b % md);
unsigned long long x = (long long)a * b;... | ### Prompt
In Cpp, your task is to solve the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of the... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
const int MOD = 998244353;
const int g = 3;
inline int Mul(int a, int b) {
unsigned long long x = (long long)a * b;
unsigned xh = (unsigned)(x >> 32), xl = (unsigned)x, d, m;
asm("divl %4;\n\t" : "=a"(d), "=d"(m) : "d"(xh), "a"(xl), "r"(MOD));
... | ### Prompt
Generate a cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of these ... |
#include <bits/stdc++.h>
using namespace std;
const int mod = 998244353;
const int maxn = 1e5 + 5;
int add(int x, int y) {
if ((x += y) >= mod) x -= mod;
return x;
}
int mul(int x, int y) {
long long z = 1LL * x * y;
return z - z / mod * mod;
}
int powt(int a, int b) {
int r = 1;
while (b) {
if (b & 1) ... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exa... |
#include <bits/stdc++.h>
using namespace std;
namespace IO {
const int BUFFER_SIZE = 1 << 15;
char input_buffer[BUFFER_SIZE];
int input_pos = 0, input_len = 0;
void _update_input_buffer() {
input_len = fread(input_buffer, sizeof(char), BUFFER_SIZE, stdin);
input_pos = 0;
if (input_len == 0) input_buffer[0] = EOF;... | ### Prompt
Your task is to create a cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly... |
#include <bits/stdc++.h>
using namespace std;
namespace IO {
const int BUFFER_SIZE = 1 << 15;
char input_buffer[BUFFER_SIZE];
int input_pos = 0, input_len = 0;
void _update_input_buffer() {
input_len = fread(input_buffer, sizeof(char), BUFFER_SIZE, stdin);
input_pos = 0;
if (input_len == 0) input_buffer[0] = EOF;... | ### Prompt
In cpp, your task is to solve the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of the... |
#include <bits/stdc++.h>
using namespace std;
const int N = 4e5 + 10, mod = 998244353;
int n, K, cc, A[N], B[N], siz[N], fz[N];
int l, w[N], r[N], tt, Ans, L[N], jc[N], inv[N], jcv[N];
int sum[N], val[N];
vector<int> E[N], G[N], F[N << 2];
int ksm(int x, int k) {
int s = 1;
for (; k; k >>= 1, x = 1ll * x * x % mod)... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exa... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
const int MOD = 998244353;
const int STP = 119;
const int MXL = 8388608;
const int g = 3;
inline int Mul(int a, int b) {
unsigned long long x = (long long)a * b;
unsigned xh = (unsigned)(x >> 32), xl = (unsigned)x, d, m;
asm("divl %4;\n\t" : "=... | ### Prompt
In CPP, your task is to solve the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of the... |
#include <bits/stdc++.h>
using namespace std;
inline char getch() {
static char buf[10000], *p1 = buf, *p2 = buf;
return p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, 10000, stdin), p1 == p2)
? EOF
: *p1++;
}
inline long long read() {
long long s = 0, f = 1;
char ch = getch();
while (... | ### Prompt
Construct a cpp code solution to the problem outlined:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of t... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 1 << 18, inf = 1e9 + 233, mod = 998244353;
struct edge {
int too, pre;
} e[maxn << 1];
int n, tot, N, ans, K, x, y;
int fac[maxn], inv[maxn], last[maxn], size[maxn], f[maxn], g[maxn], a[18][maxn],
son[maxn], w[maxn], c[maxn];
template <typename T>
inl... | ### Prompt
Your task is to create a Cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly... |
#include <bits/stdc++.h>
using namespace std;
template <typename T>
inline bool cmax(T &x, T y) {
return y > x ? x = y, true : false;
}
template <typename T>
inline bool cmin(T &x, T y) {
return y < x ? x = y, true : false;
}
template <typename T>
inline T dmax(T x, T y) {
return x > y ? x : y;
}
template <typena... | ### Prompt
Construct a cpp code solution to the problem outlined:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of t... |
#include <bits/stdc++.h>
const int N = 262144;
const int mod = 998244353;
using LL = long long;
int n, k, head[N], tot, down[N], x, y;
struct edge {
int to, nxt;
} e[N << 1];
void link(int x, int y) {
e[++tot] = (edge){y, head[x]}, head[x] = tot;
e[++tot] = (edge){x, head[y]}, head[y] = tot;
}
int lim, g, wn[N], ... | ### Prompt
Create a solution in CPP for the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of thes... |
#include <bits/stdc++.h>
const int BUFFER_SIZE = 1 << 25 | 1;
struct InputOutputStream {
char ibuf[BUFFER_SIZE], obuf[BUFFER_SIZE], *s, *oh;
InputOutputStream() : s(ibuf), oh(obuf) {
ibuf[fread(ibuf, 1, BUFFER_SIZE, stdin)] = '\0';
}
~InputOutputStream() { fwrite(obuf, 1, oh - obuf, stdout); }
template <t... | ### Prompt
Create a solution in Cpp for the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of thes... |
#include <bits/stdc++.h>
using namespace std;
const int mod = 998244353;
const int N = 262150;
int n, K, x, y, Ans;
int siz[N], f[N], fs[N], fac[N], inv[N];
int rnk[N], f1[N], f2[N], g1[N], g2[N], F[N], G[N];
vector<int> vp1[N], vp2[N];
vector<pair<int, int> > vec[N];
int to[N], las[N], fir[N], cnt;
inline void add_edg... | ### Prompt
Please create a solution in cpp to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
const int mod = 998244353;
inline void add(int &x, int y) {
int t = x + y;
if (t >= mod) t -= mod;
x = t;
}
inline void sub(int &x, int y) {
int t = x - y + mod;
if (t >= mod) t -= mod;
x = t;
}
inline int inc(int x, int y) {
int t = x + y;
return t >= mod ?... | ### Prompt
Please create a solution in cpp to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 10, mod = 998244353, proot = 3,
fft_maxn = (1 << 18) | 10;
vector<int> g[maxn];
int n, k, ans, f[maxn], fac[maxn], ifac[maxn], siz[maxn];
inline int pow_mod(int x, int n) {
int y = 1;
while (n) {
if (n & 1) {
y = (long long)y *... | ### Prompt
Generate a CPP solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of these ... |
#include <bits/stdc++.h>
using namespace std;
namespace IO {
const int BUFFER_SIZE = 1 << 15;
char input_buffer[BUFFER_SIZE];
int input_pos = 0, input_len = 0;
void _update_input_buffer() {
input_len = fread(input_buffer, sizeof(char), BUFFER_SIZE, stdin);
input_pos = 0;
if (input_len == 0) input_buffer[0] = EOF;... | ### Prompt
Generate a cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of these ... |
#include <bits/stdc++.h>
using namespace std;
using cat = long long;
unsigned long long MOD = 998244353LL;
unsigned long long pw(unsigned long long a, unsigned long long e) {
if (e <= 0) return 1;
unsigned long long x = pw(a, e / 2);
x = (x * x) % MOD;
if (e % 2 != 0) x = (x * a) % MOD;
return x;
}
unsigned l... | ### Prompt
Construct a CPP code solution to the problem outlined:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of t... |
#include <bits/stdc++.h>
namespace IO {
char ibuf[(1 << 21) + 1], *iS, *iT;
char Get() {
return (iS == iT ? (iT = (iS = ibuf) + fread(ibuf, 1, (1 << 21) + 1, stdin),
(iS == iT ? EOF : *iS++))
: *iS++);
}
int read() {
int x = 0, c = Get();
while (!isdigit(c)) c = Get();
w... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exa... |
#include <bits/stdc++.h>
template <typename T>
inline void read(T &x) {
x = 0;
char c = getchar();
bool flag = false;
while (!isdigit(c)) {
if (c == '-') flag = true;
c = getchar();
}
while (isdigit(c)) {
x = (x << 1) + (x << 3) + (c ^ 48);
c = getchar();
}
if (flag) x = -x;
}
using name... | ### Prompt
Please formulate a cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
using std ::lower_bound;
using std ::reverse;
using std ::sort;
using std ::swap;
using std ::unique;
template <typename T>
T max(T x, T y) {
return (x > y) ? x : y;
}
template <typename T>
T min(T x, T y) {
return (x < y) ? x : y;
}
template <typename T>
bool chkmax(T &x, T y) {
return (... | ### Prompt
Please formulate a Cpp solution to the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
namespace in {
char buf[1 << 21], *p1 = buf, *p2 = buf;
inline int getc() {
return p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, 1 << 21, stdin), p1 == p2)
? EOF
: *p1++;
}
template <typename T>
inline void read(T &t) {
t = 0;
int f = 0;
char ch = getc();
whil... | ### Prompt
Develop a solution in CPP to the problem described below:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one o... |
#include <bits/stdc++.h>
const int BUFFER_SIZE = 1 << 25 | 1;
struct InputOutputStream {
char ibuf[BUFFER_SIZE], obuf[BUFFER_SIZE], *s, *oh;
InputOutputStream() : s(ibuf), oh(obuf) {
ibuf[fread(ibuf, 1, BUFFER_SIZE, stdin)] = '\0';
}
~InputOutputStream() { fwrite(obuf, 1, oh - obuf, stdout); }
template <t... | ### Prompt
Create a solution in CPP for the following problem:
You are given a tree of n vertices. You are to select k (not necessarily distinct) simple paths in such a way that it is possible to split all edges of the tree into three sets: edges not contained in any path, edges that are a part of exactly one of thes... |
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