output stringlengths 52 181k | instruction stringlengths 296 182k |
|---|---|
#include <bits/stdc++.h>
const int N = 100005, mo = 1000000007;
int f[N][2], a[N], q[N], fi[N], v[N], tot = 0;
struct Edge {
int to, ne;
} e[N << 1];
void add(int x, int y) {
e[++tot].to = y;
e[tot].ne = fi[x];
fi[x] = tot;
}
void dfs(int x, int fa) {
f[x][0] = 1;
for (int i = fi[x]; i; i = e[i].ne)
if ... | ### Prompt
Construct a cpp code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
const int N = 100001, MOD = 1e9 + 7;
int n, clr[N];
long long dp[N][2];
vector<vector<int> > g;
void dfs(int u, int p) {
if (clr[u] == 0) {
dp[u][0] = 1;
dp[u][1] = 0;
for (int i = 0; i < g[u].size(); i++)
if (g[u][i] != p) {
dfs(g[u][i], u);
... | ### Prompt
Create a solution in cpp for the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it w... |
#include <bits/stdc++.h>
using namespace std;
int n;
vector<int> a[100010];
int color[100010];
long long dp[100010][2];
bool past[100010];
void DFS(int u) {
if (color[u])
dp[u][1] = 1;
else
dp[u][0] = 1;
past[u] = 1;
for (int i = 0; i < (int)a[u].size(); i++) {
int v = a[u][i];
if (!past[v]) {
... | ### Prompt
Create a solution in cpp for the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it w... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 3;
long long n, m, i, j, k, l, s, t, d, u, ii, jj, x, y, z, h[N], hh[N][2];
vector<long long> V[N];
void f(int x) {
int i, u = V[x].size();
for (i = 0; i < u; i++) {
f(V[x][i]);
hh[x][1] = (hh[x][1] * (hh[V[x][i]][1] + hh[V[x][i]][0]) +
... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const long long int mod = 1e9 + 7;
const long long int mod2 = 1e9 + 9;
const long long int maxn = 1e6 + 10;
const long long inf = 1e18 + 18;
double pie = 3.1415926535;
long long int col[maxn], dp[maxn][2];
vector<long long int> a[maxn];
void dfs(long long int s, long long i... | ### Prompt
Generate a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
const long long int MOD = 1000000007, MaxN = 100001;
long long int f[MaxN], g[MaxN], C[MaxN], A, B;
vector<int> ady[MaxN];
long long int mcd(long long int a, long long int b) {
if (!b) {
A = 1, B = 0;
return a;
}
long long int gcd = mcd(b, a % b), x, y;
x = ... | ### Prompt
Please formulate a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int mxmx = 1e5 + 10;
const long long int mod = 1e9 + 7;
long long int n;
vector<long long int> adj[mxmx];
bool color[mxmx];
long long int dp[2][mxmx];
long long int power(long long int a, long long int b) {
if (b == 0) return 1;
if (b == 1) return a;
long long i... | ### Prompt
Please create a solution in Cpp to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
vector<int> adj[200000];
int a[200000];
long long dp[200000][2];
void dfs(int v) {
dp[v][0] = 1;
dp[v][1] = 0;
for (int i = 0; i < adj[v].size(); i++) {
int u = adj[v][i];
dfs(u);
dp[v][1] = (dp[v][1] * dp[u][0]) % 1000000007;
dp[v][1] = (dp[v][1] + ((... | ### Prompt
Generate a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
static const long long PRIME = 1e9 + 7;
long long add(long long a, long long b) { return (a + b) % PRIME; }
long long mul(long long a, long long b) { return (a * b) % PRIME; }
long long inv(long long n) {
n = n % PRIME;
long long r = 1;
long long pow = PRIME - 2;
wh... | ### Prompt
Construct a CPP code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 100010;
long long dp[maxn][2];
int num[maxn];
vector<int> g[maxn];
long long q_mod(long long a, long long b, long long n) {
long long ret = 1;
long long tmp = a;
while (b) {
if (b & 0x1) ret = ret * tmp % n;
tmp = tmp * tmp % n;
b >>= 1;
... | ### Prompt
Please create a solution in cpp to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
int p[100010];
long long d[100010][2];
int main() {
int n, xi;
scanf("%d", &n);
for (int i = 0; i < n - 1; ++i) {
scanf("%d", &p[i + 1]);
}
for (int i = 0; i < n; ++i) {
scanf("%d", &xi);
d[i][xi] = 1;
}
for (int i = n - 1; i > 0; --i) {
d[p[i]... | ### Prompt
Generate a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
const int max_n = 111111, inf = 1000000007;
int n, col[max_n];
long long dp[max_n][2];
vector<int> g[max_n];
long long power(long long a, long long b) {
if (b == 0) {
return 1;
}
if (b % 2 == 0) {
return power((a * a) % inf, b / 2);
}
return (a * power(a, ... | ### Prompt
Please formulate a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1000000007;
const int INF = 2e9;
const long long INFLL = 1e18;
const int MAX_N = 100000;
int N;
int p[MAX_N + 1];
int c[MAX_N + 1];
vector<int> gp[MAX_N + 1];
long long dp[MAX_N + 1][2];
long long multi(long long x, long long y) {
if (y == 1) return ... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
const double PI = 3.141592653589793238460;
const int dx4[] = {0, 0, -1, 1};
const int dy4[] = {1, -1, 0, 0};
const int dx8[] = {-1, 1, 0, 0, -1, -1, 1, 1};
const int dy8[] = {0, 0, -1, 1, -1, 1, -1, 1};
void input() {}
using namespace std;
vector<int> g[100005];
bool f[100005];
long long dp[100... | ### Prompt
Your task is to create a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
const int N = 100005;
const long long MOD = 1000000007;
int n, node[N];
vector<int> g[N];
long long dp[N][2];
long long pow_mod(long long x, long long k) {
long long ans = 1;
while (k) {
if (k & 1) ans = ans * x % MOD;
x = x * x % MOD;
k >>= 1;
}
return ... | ### Prompt
Please provide a cpp coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
void dout() { cerr << endl; }
template <typename Head, typename... Tail>
void dout(Head H, Tail... T) {
cerr << H << ' ';
dout(T...);
}
long long MOD = 1000000000 + 7;
int color[100000];
vector<int> g[100000];
int n, p;
long long dp[100000][2];
int was[100000][2];
long ... | ### Prompt
Please provide a CPP coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7;
int n;
vector<int> x;
vector<vector<int>> g;
vector<vector<long long>> dp;
long long BinPow(long long x, int n) {
if (n == 0) return 1;
if (n % 2 == 0) return BinPow(x * x % MOD, n / 2);
return x * BinPow(x, n - 1) % MOD;
}
long long Rev(long ... | ### Prompt
Generate a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
;
const int M = 100005;
const int mod = 1e9 + 7;
vector<int> adj[M];
int n, color[M];
long long dp[M][3];
void dfs(int node, int p) {
dp[node][1] = color[node];
dp[node][0] = (color[node] == 0);
for (auto i : adj[node]) {
if (i == p) continue;
dfs(i, node);
... | ### Prompt
Your task is to create a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
vector<int> edge[100005];
long long dp[100005][2];
int c[100005], n;
void dfs(int u) {
dp[u][0] = 1;
dp[u][1] = 0;
for (unsigned int i = 0; i < edge[u].size(); i++) {
int v = edge[u][i];
dfs(v);
dp[u][1] = dp[u][1] * dp[v][0] + dp[u][0] * dp[v][1];
dp[... | ### Prompt
Your task is to create a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
vector<int> G[100000 + 5];
int n, cor[100000 + 5];
long long dp[100000 + 5][2];
void dfs(int u) {
if (cor[u]) {
dp[u][1] = 1;
} else {
dp[u][0] = 1;
}
for (auto v : G[u]) {
dfs(v);
dp[u][1] = (dp[u][1] * (dp[v][0] + dp[v][1]) % 1000000007 +
... | ### Prompt
Develop a solution in Cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 111111;
const int maxm = 111111;
const int mod = 1000000007;
int n;
vector<int> a[maxn];
int col[maxn];
int s[maxn];
int num;
int v[maxn];
long long dp[maxn][2];
void dfs(int x) {
v[x] = 1;
int len = a[x].size();
for (int i = 0; i < len; i++)
if (... | ### Prompt
Please formulate a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int V = 100100;
const int P = 1000000007;
struct Edge {
int v, ne;
} e[V * 2];
int p[V], K;
void add(int u, int v) {
e[K].v = v;
e[K].ne = p[u];
p[u] = K++;
}
int col[V], dp[V][2];
void dfs(int u) {
dp[u][0] = dp[u][1] = 0;
if (col[u] == 1)
dp[u][1] = ... | ### Prompt
In Cpp, your task is to solve the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
const int mod = (int)1e9 + 7;
int add(int a, int b) { return (a += b) >= mod ? a -= mod : a; }
int sub(int a, int b) { return add(a, mod - b); }
int mul(int a, int b) { return int(1LL * a * b % mod); }
int pow(int a, int64_t n) {
int res = 1;
while (n > 0) {
if (n & 1) {
res = mul... | ### Prompt
Develop a solution in cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
long long visited[100005] = {false};
vector<int> g[100005];
long long n, x, b[100005], dp[100005][2];
void dfs(int v) {
dp[v][0] = 1 - b[v];
dp[v][1] = b[v];
int old[2];
for (int i = 0; i < g[v].size(); ++i) {
int u = g[v][i];
old[0] = dp[v][0];
old[1] =... | ### Prompt
Your task is to create a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
const double PI = acos(-1);
const int N = 1e5 + 10;
const int MOD = 1e9 + 7;
long long in[N], ex[N], col[N];
vector<int> child[N];
long long fex(int r);
long long fin(int r) {
if (in[r] != -1) return in[r];
if (col[r]) {
in[r] = 1LL;
for (long long i = 0; i < (c... | ### Prompt
Develop a solution in Cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
template <typename Arg1>
void __f(const char* name, Arg1&& arg1) {
cerr << name << " : " << arg1 << "\n";
}
template <typename Arg1, typename... Args>
void __f(const char* na, Arg1&& arg1, Args&&... args) {
const char* c = strchr(na + 1, ',');
cerr.write(na, c - na) <... | ### Prompt
Please create a solution in CPP to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e5 + 5;
int n, dp[MAXN][2], mod = 1e9 + 7;
bool A[MAXN];
vector<int> g[MAXN];
int plu(int a, int b) { return (a + b) % mod; }
int mul(int a, int b) { return ((long long)a * b) % (long long)mod; }
void dfs(int u, int p) {
dp[u][0] = 1, dp[u][1] = 0;
for... | ### Prompt
Generate a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
struct node {
node *next;
int where;
} * first[100001], a[1000001];
int n, l, w[100001], c[100001];
const int p = 1000000007;
long long f[100001][2], g[2];
inline void makelist(int x, int y) {
a[++l].where = y;
a[l].next = first[x];
first[x] = &a[l];
}
int main() ... | ### Prompt
Generate a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
const int MOD = 1000 * 1000 * 1000 + 7;
int power(int b, int n) {
if (n == 1) {
return b % MOD;
} else if (n % 2 == 0) {
int t = power(b, n / 2);
return (1LL * t * t) % MOD;
} else {
return (1LL * b * power(b, n - 1)) % MOD;
}
}
int MODdivide(int a, ... | ### Prompt
Construct a Cpp code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
const long long MAXN = 1e5 + 5, MOD = 1e9 + 7;
long long n;
long long par[MAXN];
long long cnt1[MAXN];
long long cnt2[MAXN];
long long dp1[MAXN];
long long dp2[MAXN];
long long color[MAXN];
bool subtree[MAXN];
vector<long long> G[MAXN];
void dfs_up1(long long v = 0) {
for... | ### Prompt
Your task is to create a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
long long n, u, col[300005], dp[300005][2];
vector<long long> graph[300005];
void dfs(long long u) {
dp[u][col[u]] = 1;
for (long long i = 0; i < graph[u].size(); i++) {
long long v = graph[u][i];
dfs(v);
dp[u][1] = (((dp[u][1] * dp[v][0]) % 1000000007 +
... | ### Prompt
Please create a solution in cpp to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 5;
const int M = maxn * 100;
const int mod = 1e9 + 7;
vector<int> E[maxn];
long long ans;
long long dp[maxn][2];
int n, v;
int vis[maxn];
void dfs(int u, int fa) {
dp[u][vis[u]] = 1;
for (int i = 0; i < E[u].size(); i++) {
int v = E[u][i];
... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
vector<vector<int>> g;
vector<bool> black;
vector<long long> memblack, memwhite;
const long long mod = 1e9 + 7;
long long calcblack(int x);
long long calcwhite(int x) {
if (black[x]) return 0;
if (memwhite[x] != -1) return memwhite[x];
long long res = 1;
for (int y ... | ### Prompt
In cpp, your task is to solve the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
const long long maxinput = 1e5 + 4;
long long n, col[maxinput], parent[maxinput];
vector<long long> adj[maxinput];
long long dp[maxinput][2];
long long expo(long long base, long long exponent, long long mod) {
long long ans = 1;
while (exponent != 0) {
if ((exponent... | ### Prompt
Construct a cpp code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
long long int Pow(long long int a, long long int b, long long int md,
long long int ans = 1) {
for (; b; b >>= 1, a = a * a % md)
if (b & 1) ans = ans * a % md;
return ans % md;
}
const long long int MAXN = 1e6 + 10;
const long long int INF = 8e18;... | ### Prompt
Develop a solution in cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
void exgcd(long long a, long long b, long long& d, long long& x, long long& y) {
if (!b)
d = a, x = 1LL, y = 0LL;
else
exgcd(b, a % b, d, y, x), y -= x * (a / b);
}
long long inv(long long a, long long m) {
long long d, x, y;
exgcd(a, m, d, x, y);
return d... | ### Prompt
Your task is to create a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
const long long mod = 1000000007;
struct dpi {
long long zero;
long long black;
};
int n;
vector<vector<int> > edges;
vector<int> colors;
vector<dpi> dp;
vector<int> was;
void recalc(int v, int parent) {
long long last_dp = 1;
pair<long long, long long> last = make_... | ### Prompt
Your task is to create a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 11;
const int Mod = 1e9 + 7;
struct Edge {
int next, to;
Edge() {}
Edge(int a, int b) : next(a), to(b) {}
};
int head[N];
Edge err[N << 1];
int nedge;
int isb[N];
long long dp[N][2];
int n;
void add_edge(int a, int b) {
err[++nedge] = Edge(head[a... | ### Prompt
Develop a solution in CPP to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
char string_in_buffer[(int)260];
void fast_scan(int &first) { scanf("%d", &first); }
void fast_scan(long long &first) { scanf("%lld", &first); }
void fast_scan(unsigned long long &first) { scanf("%llu", &first); }
void fast_scan(double &first) { scanf("%lf", &first); }
void... | ### Prompt
Please formulate a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
template <typename Arg1>
void __f(const char* name, Arg1&& arg1) {
std::cerr << name << " : " << arg1 << '\n';
}
template <typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args) {
const char* comma = strchr(names + 1, ',');
std::cerr... | ### Prompt
Your challenge is to write a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using P = pair<ll, ll>;
constexpr ll inf = 1000000000;
constexpr ll mod = 1000000007;
constexpr long double eps = 1e-6;
template <typename T1, typename T2>
ostream& operator<<(ostream& os, pair<T1, T2> p) {
os << to_string(p.f... | ### Prompt
Develop a solution in cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int N = 100005;
long long mod = 1e9 + 7;
vector<int> g[N];
int color[N];
long long dp[N][2];
bool vis[N];
void dfs(int src) {
vis[src] = 1;
if (color[src] == 1) {
dp[src][1] = 1;
dp[src][0] = 0;
} else {
dp[src][0] = 1;
dp[src][1] = 0;
}
for ... | ### Prompt
Please provide a CPP coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
vector<vector<long long int>> adj(100005);
vector<long long int> color(100005);
vector<vector<long long int>> dp(100005, vector<long long int>(2, 0));
long long int power(long long int x) {
long long int res = 1;
x %= 1000000007ll;
long long int y = 1000000007ll - 2;
... | ### Prompt
Please provide a cpp coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7;
int n, i, j, mark[100005];
long long dp[2][100005];
vector<int> edge[100005];
void solve(int id, int p) {
for (int k = 0; k < edge[id].size(); k++) {
int to = edge[id][k];
if (to == p) continue;
solve(to, id);
}
if (mark[id]) {
... | ### Prompt
Please create a solution in CPP to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
const int M = 100010, mod = 1e9 + 7;
int n;
int fa[M], col[M];
template <typename T>
inline void read(T &x) {
x = 0;
char ch = getchar();
int f = 1;
for (; ch < '0' || ch > '9'; ch = getchar())
if (ch == '-') f = -1;
for (; ch >= '0' && ch <= '9'; ch = getchar()) x = x * 10 + ch -... | ### Prompt
Develop a solution in Cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int MOD = 1000000007;
vector<int> adj[100005];
int n, num, colors[100005];
long long int dp0[100005], dp1[100005];
void dfs(int v, int pv) {
dp0[v] = 1 - colors[v];
dp1[v] = colors[v];
for (auto u : adj[v]) {
if (u == pv) continue;
dfs(u, v);
long lo... | ### Prompt
Generate a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
vector<int> adj[300005];
long long dp[300005][2];
int color[300005];
long long modex(long long a, int b) {
long long ans = 1;
while (b) {
if (b & 1) ans = ans * a % 1000000007;
a = a * a % 1000000007;
b >>= 1;
}
return ans;
}
long long inv(long long a) {... | ### Prompt
Please formulate a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1000 * 100 + 10;
vector<int> vec[MAXN];
int c[MAXN];
long long dp[2][MAXN];
void dfs(int v) {
vector<int> temp;
long long all = 1;
for (int i = 0; i < (int)vec[v].size(); i++) {
int u = vec[v][i];
dfs(u);
temp.push_back(all);
all = (al... | ### Prompt
In Cpp, your task is to solve the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
const int M = 200000;
int x[M];
long long dp[M][2];
vector<int> vt[M];
int n;
const int mod = 1000000007;
void dfs(int v) {
dp[v][x[v]] = 1;
for (int i = 0; i < vt[v].size(); i++) {
int u = vt[v][i];
dfs(u);
dp[v][1] = ((dp[v][1] * dp[u][0]) % mod + (dp[v][1... | ### Prompt
Develop a solution in cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
vector<int> graph[100000];
bool colour[100000];
long long dp[100000][2];
void dfs(int vertex, int parent) {
int i, child;
dp[vertex][1] = colour[vertex];
dp[vertex][0] = 1 - colour[vertex];
for (i = 0; i < graph[vertex].size(); i++) {
child = graph[vertex][i];
... | ### Prompt
Please create a solution in Cpp to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1000000007;
const int N = 100000;
int n, root;
vector<vector<int> > a;
bool is_dist[N];
long long dp[N][2];
void read_input() {
scanf("%d ", &n);
a.resize(n);
for (int i = 0; i < n - 1; i++) {
int p;
scanf("%d ", &p);
a[i + 1].push_ba... | ### Prompt
Generate a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
const int MX = 2 * 1e5 + 11;
int N, M, k;
char s[MX];
long long dp[MX][2];
vector<int> G[MX];
int arr[MX];
long long md = 1e9 + 7;
void dfs(int x, int p) {
dp[x][0] = arr[x] == 0;
dp[x][1] = arr[x] == 1;
for (int i = 0; i < G[x].size(); i++) {
int ch = G[x][i];
... | ### Prompt
Construct a Cpp code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
const long long nax = 100005, mod = 1e9 + 7;
vector<long long> g[nax];
long long c[nax], dp[nax][2] = {{0}};
long long mod_expo(long long a, long long b) {
long long tans = 1;
a = a % mod;
while (b != 0) {
if (b & 1) tans = (1LL * tans * a) % mod;
a = (1LL * a... | ### Prompt
Your task is to create a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 2 * 100 * 1000 + 100;
const long long delta = 1000 * 1000 * 1000 + 7;
int n, col[maxn];
vector<int> adj[maxn];
long long dp[2][maxn];
bool dfsmark[maxn];
void inp();
void dfs(int v);
int main() {
ios ::sync_with_stdio(false);
cin.tie(0);
inp();
dfs(... | ### Prompt
Please create a solution in CPP to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int INF = 1e9;
const long long LINF = 1e17;
const double DINF = numeric_limits<double>::max();
const int ITER = 300;
const int MOD = 1e9 + 7;
const double EPS = 1e-10;
const int MAXN = 1e5 + 10;
int n;
vector<int> g[MAXN];
int B[MAXN];
int dp[MAXN][2];
void mod(int v)... | ### Prompt
Please formulate a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const long long mod = 1000000007;
int n;
vector<vector<int> > sou;
vector<int> bl;
vector<long long> c, b;
void dfs(int v, int f = -1);
int main() {
scanf("%d", &n);
sou.resize(n);
bl.resize(n);
for (int i = 0; i < n - 1; i++) {
int p;
scanf("%d", &p);
s... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
vector<int> adj[100010];
long long int col[100010];
long long int dp[100010][2];
void dfs(int x, int f) {
if (col[x] == 1) {
dp[x][0] = 0;
dp[x][1] = 1;
} else {
dp[x][0] = 1;
dp[x][1] = 0;
}
for (int i = 0; i < adj[x].size(); i++) {
int y = adj[... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
int parent[100100] = {0};
vector<int> child[100100];
int color[100100] = {0};
long long dyn_black[100100] = {0};
long long dyn_white[100100] = {0};
int run(int x, int par) {
if (color[x] == 0) {
dyn_white[x] = 1;
dyn_black[x] = 0;
} else {
dyn_white[x] = 0;
... | ### Prompt
Construct a CPP code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7;
const int N = 1e5 + 10;
long long fast_pow(long long a, long long b) {
long long res = 1, p = a;
while (b) {
if (b & 1) (res *= p) %= MOD;
b >>= 1;
(p *= p) %= MOD;
}
return res;
}
vector<int> V[N];
pair<int, int> val[N];
bool ha... | ### Prompt
Your task is to create a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
const long long mod = 1e9 + 7;
long long dp[100006][2];
long long a[100006];
vector<int> lista[100005];
void dfs(int nod, int daddy) {
dp[nod][0] = 1;
dp[nod][1] = 0;
for (int i = 0; i < lista[nod].size(); i++) {
int x = lista[nod][i];
if (x == daddy) continue... | ### Prompt
Your challenge is to write a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const long long N = 100100;
const long long Mod = 1e9 + 7;
long long Rec(long long i, long long j, long long c);
long long p[N];
long long x[N];
vector<long long> Adj[N];
vector<long long> Dp[N][2];
int main() {
long long n;
cin >> n;
for (long long i = 2; i <= n; i++... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1000000007;
void dfs(int akt, int oj, vector<vector<int> >& T, vector<int>& col,
vector<vector<long long> >& dp) {
for (int i = 0; i < T[akt].size(); ++i)
if (T[akt][i] != oj) dfs(T[akt][i], akt, T, col, dp);
if (T[akt].size() == 1 && ... | ### Prompt
Construct a CPP code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
const long long M = 1000000007;
class IO {
static const int BUF_MB = 1;
char buf[BUF_MB * 1024 * 1024];
char *END;
char *pos;
int readfile() {
pos = buf;
END = fread(buf, 1, sizeof(buf), stdin) + buf;
return END - buf;
}
public:
IO() { END = pos ... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
vector<int> g[100010];
bitset<100010> coler;
long long ans;
const int mod = 1e9 + 7;
long long d[100010][2];
void dfs(int x, int p) {
for (int i = 0; i < g[x].size(); i++) {
if (g[x][i] != p) dfs(g[x][i], x);
}
d[x][coler.test(x)] = 1;
for (int i = 0; i < g[x].s... | ### Prompt
Construct a CPP code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
long long dp[100005][2];
int color[100005], par[100005];
bool notLeaf[100005];
int main() {
int n;
scanf("%d", &n);
for (int i = 1; i < n; i++) {
scanf("%d", par + i);
notLeaf[par[i]] = true;
}
for (int i = 0; i < n; i++) scanf("%d", color + i);
for (int... | ### Prompt
In CPP, your task is to solve the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
bool checkbit(int x, int y) { return (x & (1 << y)); }
int setbit(int x, int y) { return (x ^ (1 << y)); }
const int dirs[4][2] = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};
const int mod = (1e9 + 7);
const int INF = (0x7fffffff);
const int maxn = 1e5 + 7;
vector<int> e[maxn];
bits... | ### Prompt
Generate a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
vector<long long> G[100010], ter;
long long n, root, c[100010], par[100010], dt[100010][2], ans;
void dfs(int v, int pv) {
dt[v][0] = 1;
dt[v][1] = 0;
for (int w : G[v])
if (w != pv) {
dfs(w, v);
dt[v][1] *= dt[w][0];
dt[v][1] += dt[v][0] * dt[w]... | ### Prompt
Construct a Cpp code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
const long long md = 1000000007;
struct node {
long long white, black;
} tree[100010];
int type[100010];
int n, fa[100010];
void output() {
printf("\n-----------------------------\n");
for (int i = 1; i <= n; ++i) {
printf("tree[%d]: white=%lld, black=%lld\n", i, ... | ### Prompt
Construct a Cpp code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
vector<int> e[100000];
long long f[100000][2];
int val[100000];
void dfs(int v) {
f[v][val[v]] = 1;
for (auto i : e[v]) {
dfs(i);
f[v][1] = (f[v][0] * f[i][1] + f[v][1] * (f[i][0] + f[i][1])) % 1000000007;
f[v][0] = (f[v][0] * f[i][1] + f[v][0] * f[i][0]) % ... | ### Prompt
Construct a cpp code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
int n, son[1000005], cnt = 0;
long long f[1000005][2];
int read() {
int x = 0, f = 1;
char h = getchar();
for (; !isdigit(h); h = getchar())
if (h == '-') f = -1;
for (; isdigit(h); h = getchar()) x = (x << 3) + (x << 1) + h - 48;
return x * f;
}
int main() {
... | ### Prompt
Please create a solution in CPP to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const double inf = 0x3f3f3f3f3f3f;
const int maxn = 1e5 + 105;
const int mod = 1e9 + 7;
int a[maxn];
std::vector<int> vv[maxn];
long long dp[maxn][2];
void dfs(int x) {
dp[x][a[x]] = 1;
dp[x][a[x] ^ 1] = 0;
for (int i = 0; i < vv[x].size(); i++) {
int v = vv[x][i]... | ### Prompt
Construct a CPP code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
vector<int> q[100010];
long long dp[100010][2];
int N, color[100010], x;
void dfs(int x, int y) {
dp[x][color[x]] = 1;
for (int i = 0; i < q[x].size(); i++) {
int temp = q[x][i];
if (temp == y) continue;
dfs(temp, x);
dp[x][1] = (dp[x][1] * dp[temp][0] %... | ### Prompt
Please create a solution in CPP to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = (int)1e5 + 10;
;
const int MOD = (int)1e9 + 7;
;
vector<long long> num[maxn];
long long dpb[maxn], dpw[maxn], n;
bool isb[maxn];
long long po(long long a, long long b) {
if (!b) return 1;
long long t = po(a, b / 2);
t = (t * t) % MOD;
if (b & 1) t =... | ### Prompt
Please formulate a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int mod = 1e9 + 7, lim = 1e6 + 10;
inline long long pwr(long long a, long long n, long long m = mod) {
long long ans(1);
while (n) {
if (n & 1) ans = ans * a % m;
n >>= 1;
a = a * a % m;
}
return ans;
}
vector<int> t[lim];
int a[lim], x[lim], y[lim... | ### Prompt
Please create a solution in CPP to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const long long mod = 1000000007, M = 1e5 + 7;
long long powe(long long x, long long y) {
x = x % mod;
long long ans = 1;
while (y > 0) {
if (y & 1) {
ans = (1ll * x * ans) % mod;
}
y >>= 1;
x = (1ll * x * x) % mod;
}
return ans;
}
vector<int... | ### Prompt
Your task is to create a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7;
int n;
vector<int> g[100000];
int b[100000];
vector<pair<int, int> > t[100000];
long long P(long long a, long long b) {
long long ret = 1;
while (b) {
if (b & 1) ret = (ret * a) % MOD;
a = (a * a) % MOD;
b >>= 1;
}
return ret;
}
... | ### Prompt
Develop a solution in Cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 10, P = 1000000007;
long long n;
vector<long long> adj[N];
long long c[N], l[N], r[N];
int mul(long long a, long long b) { return (a * b) % P; }
int sum(long long a, long long b) { return (a + b) % P; }
pair<long long, long long> dfs(long long u, long lo... | ### Prompt
Please formulate a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int inf = 1e9 + 5;
const long long linf = 1e18 + 5;
const int N = 1e5 + 5;
const int mod = 1e9 + 7;
int n, x, dp[N][2], a[N];
vector<int> v[N];
int f(int x, bool w) {
int &r = dp[x][w];
if (r != -1) return r;
if (a[x]) {
r = 1;
for (__typeof((v[x]).begin... | ### Prompt
Please formulate a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int MAX = 1e5 + 5, MOD = 1e9 + 7;
int n, c[MAX], f[MAX], g[MAX], pref[MAX], suff[MAX];
vector<int> tmp, gt[MAX];
void dfs(int x, int p) {
if (x > 0 && gt[x].size() == 1) {
f[x] = !c[x];
g[x] = c[x];
return;
}
if (c[x] == 0) {
f[x] = 1;
g[x] =... | ### Prompt
Generate a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
int countBits(long long mask) {
int res = 0;
while (mask) mask &= (mask - 1), ++res;
return res;
}
string toString(long long n) {
stringstream ss;
ss << n;
return ss.str();
}
long long toNumber(string s) {
stringstream ss;
long long n;
ss << s;
ss >> n;
... | ### Prompt
Please formulate a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
class disjointSet {
int *parent;
int *rank;
int cs, ms;
public:
disjointSet(int ms = int(1e5 + 5)) {
this->ms = ms;
cs = 0;
parent = new int[ms];
rank = new int[ms];
}
void MakeSet(int x) {
if (cs == ms) return;
parent[x] = x;
rank[... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
const int MOD = 1e9 + 7, MAXN = 1e5 + 50;
using namespace std;
int p[MAXN], x[MAXN];
vector<int> adj[MAXN];
long long dp[MAXN][2];
void dfs(int u) {
dp[u][0] = 1;
dp[u][1] = 0;
for (int v : adj[u]) {
dfs(v);
dp[u][1] = (dp[u][1] * dp[v][0]) % MOD;
dp[u][1] = (dp[u][1] + dp[u][... | ### Prompt
Construct a cpp code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
int n, kq = 0;
vector<int> a[100100];
int x[100100], dd[100100];
long long g[100100], first[100100];
int d[100100][3];
void nhap() {
cin >> n;
int c;
for (int i = 0; i <= n - 2; i++) {
scanf("%d", &c);
a[c].push_back(i + 1);
a[i + 1].push_back(c);
}
fo... | ### Prompt
Your task is to create a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
vector<int> g[100005];
long long n, mod = 1e9 + 7, dp[100005], a[100005], b[100005];
void dfs(int x) {
dp[x] = b[x];
a[x] = 1 - dp[x];
for (int i = 0; i < g[x].size(); i++) {
int v = g[x][i];
dfs(v);
dp[x] =
((dp[x] * a[v]) % mod + (dp[v] * a[x]) %... | ### Prompt
Please create a solution in Cpp to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int Max = 100005;
const long long mod = 1e9 + 7;
vector<int> edge[Max];
int is[Max];
long long dp[Max][2];
long long inv(long long x) {
long long res = 1;
for (int k = mod - 2; k; k >>= 1) {
if (k & 1) res = res * x % mod;
x = x * x % mod;
}
return res... | ### Prompt
In cpp, your task is to solve the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
queue<int> tree[100000];
int colour[100000];
long long int DP[2][100000];
void generateAnswer(int root) {
if (tree[root].size() == 0) {
if (colour[root] == 1) {
DP[1][root] = DP[0][root];
}
return;
}
while (!tree[root].empty()) {
int curr = tree[... | ### Prompt
Construct a CPP code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
const int mod = 1e9 + 7;
struct Mint {
long long v;
explicit operator long long() const { return v; }
Mint() { v = 0; }
Mint(long long _v) {
v = (-mod < _v && _v < mod) ? _v : _v % mod;
if (v < 0) v += mod;
}
friend bool operator==(const Mint& a, const M... | ### Prompt
Construct a Cpp code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7;
const int N = 1e5;
vector<int> g[N];
int dp[N][2], col[N], l[N], r[N];
void dfs(int v) {
int sz = g[v].size();
for (int i = 0; i < sz; i++) dfs(g[v][i]);
if (col[v]) {
int add = 1;
for (int i = 0; i < sz; i++)
add = (add * 1ll * ... | ### Prompt
Please create a solution in cpp to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
int mod_inv(int a) {
int pw = 1000000007 - 2;
int res = 1;
while (pw) {
if (pw & 1) res = 1ll * res * a % 1000000007;
a = 1ll * a * a % 1000000007;
pw >>= 1;
}
return res;
}
void solver(vector<int> *arr, int n, int id, int prev, int *districts,
... | ### Prompt
Your task is to create a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
const double EPS = 1e-24;
const long long int MOD = 1000000007ll;
const double PI = 3.14159265359;
int INF = 2147483645;
long long int INFINF = 9223372036854775807;
template <class T>
T Max2(T a, T b) {
return a < b ? b : a;
}
template <class T>
T Min2(T a, T b) {
return a < b ? a : b;
}
te... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const long long mod = 1000000007;
const int maxn = 110000;
vector<int> tree[maxn];
bool vis[maxn];
int color[maxn];
long long f[maxn][2];
long long t1, t2;
void dfs(int root) {
vis[root] = true;
int siz = tree[root].size();
if (color[root] == 1) {
f[root][1] = 1;
... | ### Prompt
Develop a solution in CPP to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
int n, x, kk, dp[2000005][2], col[2000005], head[2000005];
struct Tree {
int nxt, to;
} e[2000005];
inline void link(int x, int y) {
e[++kk].nxt = head[x];
e[kk].to = y;
head[x] = kk;
}
void dfs1(int u, int fa) {
dp[u][col[u]] = 1;
dp[u][col[u] ^ 1] = 0;
for (... | ### Prompt
Develop a solution in Cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int N = 3e5 + 9;
const int mod = 1e9 + 7;
int col[N];
vector<int> ed[N];
long long dp[N][2];
long long rev(long long n) {
long long r = 1;
int b = mod - 2;
while (b > 0) {
if (b & 1) {
r = (r * n) % mod;
}
n = (n * n) % mod;
b >>= 1;
}
... | ### Prompt
Create a solution in Cpp for the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it w... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 100;
const int Mod = 1e9 + 7;
int Color[N];
long long Dp[N][2];
vector<int> Tree[N];
void DFS(int u) {
Dp[u][Color[u]] = 1;
for (auto v : Tree[u]) {
DFS(v);
Dp[u][1] = (Dp[u][1] * Dp[v][1] % Mod + Dp[u][1] * Dp[v][0] % Mod +
D... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5;
const int mod = 1e9 + 7;
const int inf = 1e9 + 7;
int n, i, x;
int dp[N][2], A[N];
vector<int> V[N];
int f(int x, int k) {
int &r = dp[x][k], i;
if (r != -1) return r;
if (A[x]) {
r = 1;
for (i = 0; i < V[x].size(); i++) r = (long long)r... | ### Prompt
Generate a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1000000007;
const int MN = 100111;
long long f[2][MN];
vector<int> ke[MN];
int n, col[MN];
void init() {
for (int i = (1), _b = (n); i <= _b; i++) ke[i].clear();
memset(f, 0, sizeof f);
}
void dfs(int u) {
if (ke[u].size() == 0) {
if (col[u] ... | ### Prompt
Your task is to create a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
long long int power(long long int a, long long int b, long long int m) {
long long int ans = 1;
while (b) {
if (b & 1) ans = (ans * a) % m;
b /= 2;
a = (a * a) % m;
}
return ans;
}
long long int modInverse(long long int num) {
num = power(num, 10000000... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1e9 + 7;
vector<int> colour;
vector<vector<int>> g;
vector<long long> dp0, dp1;
void dfs(int v) {
dp0[v] = 1;
dp1[v] = 0;
for (int u : g[v]) {
dfs(u);
dp1[v] = dp1[v] * dp0[u] % MOD;
dp1[v] = (dp1[v] + dp0[v] * dp1[u]) % MOD;
dp0[... | ### Prompt
In Cpp, your task is to solve the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
using ii = pair<int, int>;
using ll = long long;
constexpr int MAXN = 5 + 200000;
constexpr int MOD = 7 + 1e9;
int c[MAXN], nodes, cnt[MAXN];
vector<int> g[MAXN], newt[MAXN];
int add(int a, int b) {
int ans = a + b;
if (ans >= MOD) ans -= MOD;
return ans;
}
int mul(in... | ### Prompt
Please provide a CPP coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
int mod = 1000000007;
vector<int> g[100005];
int color[100005];
int dp[2][100005];
int mPow(int a, int x) {
int ret = 1;
while (x > 0) {
if (x & 1) ret = 1LL * ret * a % mod;
x >>= 1;
a = 1LL * a * a % mod;
}
return ret;
}
int ml[100005], mr[100005];
int... | ### Prompt
Construct a Cpp code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
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