output stringlengths 52 181k | instruction stringlengths 296 182k |
|---|---|
#include <bits/stdc++.h>
using namespace std;
const long long maxn = 1e5 + 5;
const long long mod = 1e9 + 7;
long long n;
vector<long long> adj[maxn];
long long f[maxn][2];
void dfs(long long u) {
for (long long i = 0; i < adj[u].size(); i++) {
long long v = adj[u][i];
dfs(v);
f[u][1] = (f[u][1] * f[v][0]... | ### 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 β€ 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 inv(long long int a) {
int n = 1000000005;
int p = 1000000007;
long long int ret = 1;
while (n != 0) {
if (n % 2 == 1) ret = (ret * a) % p;
n /= 2;
a = a * a % p;
}
return ret;
}
int main() {
int n;
cin >> n;
long long int dp[n][2... | ### 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 β€ 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 long long MOD = 1000000007;
int n;
long long dp[100005][2];
int c[100005];
vector<int> edge[100005];
int main() {
cin >> n;
for (int i = 0; i < n - 1; i++) {
int x;
cin >> x;
edge[x].push_back(i + 1);
}
for (int i = 0; i < n; i++) cin >> c[i];
fo... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it w... |
#include <bits/stdc++.h>
const double EPS = 1e-24;
const long long mod = 1000000007ll;
const long long mod1 = 1000000009ll;
const long long mod2 = 1100000009ll;
const double PI = 3.14159265359;
int INF = 2147483645;
long long INFINF = 9223372036854775807;
template <class T>
T Max2(T a, T b) {
return a < b ? b : 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
vector<vector<long long> > adj;
vector<long long> arr;
pair<long long, long long> dfs(long long v, long long p = -1) {
pair<long long, long long> res = {0, 1};
for (long long x : adj[v]) {
if (x == p) continue;
pair<long long, long long> temp = dfs(x, v);
re... | ### 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 β€ 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;
vector<int> e[100000];
long long dp[100000][2];
int color[100000];
void dfs(int u) {
dp[u][1] = 0;
dp[u][0] = 1;
for (int v : e[u]) {
dfs(v);
dp[u][1] *= dp[v][0];
dp[u][1] %= MOD;
dp[u][1] += dp[u][0] * dp[v][1] % MOD... | ### 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 β€ 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 double PI = acos(0) * 2;
const double EPS = 1e-8;
const long long MOD = 1e9 + 7;
const int MAXN = 1e5 + 5;
const int oo = 1e9;
const double foo = 1e30;
template <class T>
int getbit(T s, int i) {
return (s >> i) & 1;
}
template <class T>
T onbit(T s, int i) {
retu... | ### 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 β€ 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;
int N;
vector<int> adj[100100];
bool black[100100];
ll dp[100100][2];
void r(int node, int par) {
for (int i : adj[node])
if (i != par) r(i, node);
ll first = 1;
for (int i : adj[node])
if (i != par) {
first ... | ### 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 β€ 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 sz = 2 * 1e5 + 5, mod = 1e9 + 7;
vector<long long> adj[sz];
long long dp[sz][2], x[sz];
void dfs(long long v, long long p) {
dp[v][x[v]] = 1;
for (auto u : adj[v]) {
if (u == p) continue;
dfs(u, v);
dp[v][1] =
(dp[v][1] * dp[u][1] + d... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 100005;
const long long mod = 1000000007;
long long dp[maxn][2];
int color[maxn];
vector<int> G[maxn];
bool vis[maxn];
void dfs(int s) {
dp[s][0] = 1;
dp[s][1] = 0;
vis[s] = true;
for (int i = 0; i < G[s].size(); i++) {
int t = G[s][i];
if (... | ### 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 β€ 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;
bool vis[100000] = {false};
int dp[100000][2] = {0};
int ans = 1;
void dfs(vector<int> *v, int root, bool *vis, int *col) {
vis[root] = 1;
dp[root][0] = 1 - col[root];
dp[root][1] = col[root];
for (int i = 0; i < v[root].size(); i++) {
int a = v[root][i];
if... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const int N = (int)1e5 + 5;
const long long MOD = (long long)1e9 + 7;
vector<int> adj[N];
int n, x[N];
long long dp[N][2];
void dfs(int u) {
dp[u][0] = 1LL;
dp[u][1] = 0LL;
for (int i = 0; i < adj[u].size(); i++) {
int v = adj[u][i];
dfs(v);
dp[u][1] = (dp... | ### 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 β€ 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, i, p[100010], a, fa;
bool x[100010];
long long ans[100010][2], an1, an0;
const long long kkk = 1000000007;
priority_queue<long long> q1;
int main() {
scanf("%d", &n);
for (i = 1; i < n; i++) scanf("%d", &p[i]);
for (i = 0; i < n; i++) {
scanf("%d", &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 β€ 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 MO = 1000000007;
int n, dp[200000][2], t;
vector<int> e[200000];
void dfs(int x) {
for (int i = 0; i < e[x].size(); i++) {
int t = e[x][i];
dfs(t);
dp[x][1] =
((long long)dp[x][0] * dp[t][1] + (long long)dp[x][1] * dp[t][0] +
(long l... | ### 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 β€ 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;
const int maxm = 1000100;
const int INF = 0x3f3f3f3f;
const int mod = 1000000007;
int n, m;
int sum[maxn];
int a[maxn];
vector<int> g[maxn];
long long dp[maxn][2];
int dfs(int x, int fa) {
int i, j;
sum[x] = a[x];
for (i = 0; i < g[x].size(); ... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
long long shouldendl = 1;
long long INF = (long long)(1e9 + 7);
long long MOD = (long long)(1e9 + 7);
using namespace std;
long long modInverse(long long a) {
long long m = MOD, m0 = m, y = 0, x = 1;
if (m == 1) return 0;
while (a > 1) {
long long q = a / m, t = m;
m = a % m, a = ... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
int main() {
int n;
cin >> n;
int start[n];
int to[n - 1];
int next[n - 1];
memset(start, -1, n * sizeof(int));
for (int i = 0; i <= n - 2; i++) {
int p;
cin >> p;
to[i] = i + 1;
next[i] = start[p];
start[p] = i;
}
bool isBlack[n];
fo... | ### 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 β€ 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 dp[100007][2];
int c[100007], n;
vector<int> e[100007];
const long long mod = 1000000007;
void clr() {
for (int i = 0; i < 100007; i++) {
e[i].clear();
}
memset(dp, 0, sizeof(dp));
}
void add(int u, int v) {
e[u].push_back(v);
e[v].push_back(u);
}
vo... | ### 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 β€ 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 = 1e5 + 1;
long long mod = 1e9 + 7;
vector<long long> adj[N];
long long col[N];
long long dp[N][2];
void dfs(long long src, long long par) {
dp[src][0] = !col[src];
dp[src][1] = col[src];
for (auto &x : adj[src]) {
if (x == par) continue;
dfs... | ### 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 β€ 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;
inline long long in() {
int32_t x;
scanf("%d", &x);
return x;
}
inline string getStr() {
char ch[1000000];
scanf("%s", ch);
return ch;
}
inline char getCh() {
char ch;
scanf(" %c", &ch);
return ch;
}
const long long INF = 1e18;
const long long MOD = 1e9 + ... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("unroll-loops")
using namespace std;
const long double PI = acos(-1);
const long long MOD = 1000000007;
const long long FMOD = 998244353;
const long double eps = 1e-9;
mt19937 RNG(chrono::steady_clock::n... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
enum { M = 1000000007 };
int main() {
int n;
scanf("%d", &n);
std::vector<std::vector<int>> G(n);
std::vector<int> C(n);
std::vector<long long> S(n), B(n);
for (int i = (1); i <= (n - 1); ++i) {
int a;
scanf("%d", &a);
G[a].push_back(i);
}
for (int &c : C) scanf("%d"... | ### 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 β€ 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 sz = 100005;
int n;
vector<int> T[sz];
vector<int> col;
const int MOD = 1000000007;
long long P[sz][2];
void dfs(int u, int prev) {
if (col[u] == 1)
P[u][1] = 1, P[u][0] = 0;
else
P[u][1] = 0, P[u][0] = 1;
for (int i = 0; i < T[u].size(); 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 β€ 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 M = 1e9 + 7;
const long long N = 1e5 + 7;
long long n;
vector<long long> kid[N];
bool col[N];
deque<long long> muls[N], mulr[N];
long long dp[N][2];
void solve(long long v) {
if (!kid[v].size()) {
if (col[v])
dp[v][1] = 1;
else
dp[v][0] = 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 β€ 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 MAXN = 1000 * 100 + 5;
const int MOD = 1000 * 1000 * 1000 + 7;
int n;
vector<int> adj[MAXN];
bool mark[MAXN];
bool black[MAXN];
long long dp[MAXN][2];
void dfs(int v) {
mark[v] = true;
vector<long long> a, b;
for (int i = 0; i < adj[v].size(); i++) {
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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
int mod = (int)1e9 + 7;
void dfs(int v, int p, list<int>* adj, int* c, long long** dp) {
if (c[v] == 1) {
dp[0][v] = 0;
dp[1][v] = 1;
} else {
dp[0][v] = 1;
dp[1][v] = 0;
}
for (auto i : adj[v]) {
if (i == p) continue;
dfs(i, v, adj, c, dp);
... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
int pr[1000007];
bool isnotprime(long long x) {
if (x == 1) return 1;
if (x == 2) return 0;
if (x % 2 == 0) return 1;
return (pr[x / 64] & (1 << ((x >> 1) & 31)));
}
void sieve(long long n) {
for (long long i = 3; i * i <= n; i += 2) {
if (!isnotprime(i))
... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
vector<vector<int> > al;
long long dp[100011][4];
int x[100011];
long long p = 1000 * 1000 * 1000 + 7;
void DFS(int v) {
dp[v][0] = 1;
dp[v][1] = 0;
for (int i = 0; i < al[v].size(); i++) {
int u = al[v][i];
DFS(u);
dp[v][1] = (dp[v][1] * dp[u][0]) % p;
... | ### 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 β€ 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 int maxN = 1e5;
long long int dp1[maxN], dp2[maxN], d[maxN], n, mod = 1e9 + 7;
vector<long long int> g[maxN];
void dfs(long long int v = 1, long long int p = 0) {
dp1[v] = 1, dp2[v] = 0;
for (long long int i = 0; i < g[v].size(); i++) {
long long int... | ### 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 β€ 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 LIM = 1e+5 + 10;
const int MOD = 1e+9 + 7;
int color[LIM];
long long cnt_1[LIM];
long long cnt_0[LIM];
int used[LIM];
vector<vector<int> > g(LIM, vector<int>());
void dfs(int v) {
used[v] = true;
if (color[v] == 1) {
cnt_1[v] = 1;
cnt_0[v] = 0;
} els... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
#pragma GCC optimize("-O2")
using namespace std;
void err(istream_iterator<string> it) { cerr << endl; }
template <typename T, typename... Args>
void err(istream_iterator<string> it, T a, Args... args) {
cerr << *it << " = " << a << "\t";
err(++it, args...);
}
template <typename T1, typenam... | ### 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 β€ 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;
struct Edge {
int v;
Edge *next;
};
int n, p[100000], x[100000], f[100000], g[100000];
vector<int> ed[100000];
int ExEuler(int a, int b, int c) {
c = c < 0 ? c + (-(c + 1) / b + 1) * b : c % b;
return a ? ((long long)ExEuler(b % a, a, -c)... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
int const M = 1000000007, N = 150000;
long long dp[N][2];
vector<int> E[N];
int C[N];
void dfs(int i, int rt) {
vector<int> son;
int j;
for (j = 0; j < E[i].size(); j++)
if (E[i][j] != rt) {
dfs(E[i][j], i);
son.push_back(E[i][j]);
}
if (C[i]) {
... | ### 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 β€ 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;
long long n, dp[100005][2];
std::set<int> ch[100005];
bool c[100005];
void init(int h = 0) {
for (std::set<int>::iterator it = ch[h].begin(); it != ch[h].end(); ++it) {
ch[*it].erase(h);
init(*it);
}
}
void process(int h = 0) {
... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const int mod = 1000000007;
int ver[100005];
vector<int> ed[100005];
int ans = 1;
int inv(int b) {
return (b == 1) ? 1 : 1ll * inv(mod % b) * (mod - mod / b) % mod;
}
void go(int wh, int p, int& adot, int& non) {
int i1;
int dottmp, nontmp;
vector<int> vdot, vnon;
... | ### 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 β€ 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 = 100001;
const int mod = 1e9 + 7;
int n;
vector<int> g[N];
int x[N];
long long dp[2][N];
void dfs(int u) {
if (x[u] == 0) {
dp[0][u] = 1;
dp[1][u] = 0;
} else {
dp[0][u] = 0;
dp[1][u] = 1;
}
for (int v : g[u]) {
dfs(v);
long 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 β€ 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 maxn = 1e5 + 10;
const int mod = 1e9 + 7;
long long dp[maxn][2];
vector<int> x[maxn];
int c[maxn];
void dfs(int v, int p) {
dp[v][0] = 1;
dp[v][1] = 0;
for (int i = (int)(0); i < (int)(x[v].size()); i++) {
int u = x[v][i];
if (u == p) continue;
d... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
int mod = 1000000007;
long long dp[100009][2];
int n, x;
vector<int> ed[100009];
int b[100009];
long long ans;
void dfs(int u, int fa) {
if (b[u])
dp[u][1] = 1;
else
dp[u][0] = 1;
for (int i = 0; i < ed[u].size(); i++) {
int v = ed[u][i];
if (v == fa) ... | ### 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 β€ 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 dp[100005][2];
int c[100005];
long long ksm(long long a, long long b) {
long long c = 1, d = a;
while (b) {
if (b & 1) c = (c * d) % 1000000007;
d = (d * d) % 1000000007;
b >>= 1;
}
return c;
}
void dfs(int x) {
int i, ... | ### 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 β€ 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 int N = 1e5 + 1;
const long long int mod = 1e9 + 7;
vector<vector<long long int>> graph(N);
vector<long long int> color(N);
vector<long long int> white(N, 0), black(N, 0);
void dfs1(long long int node, long long int parent) {
white[node] = (!color[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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
const int M = 1000000007;
const int MAXN = 100105;
int n;
long long dp[MAXN][2];
int isBlack[MAXN];
vector<int> g[MAXN];
void dfs(int u) {
dp[u][1] = 0;
dp[u][0] = 1;
for (int i = 0; i < g[u].size(); i++) {
int v = g[u][i];
dfs(v);
dp[u][1] = ((dp[u][1] * ... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
template <class T1>
void deb(T1 e1) {
cout << e1 << endl;
}
template <class T1, class T2>
void deb(T1 e1, T2 e2) {
cout << e1 << " " << e2 << endl;
}
template <class T1, class T2, class T3>
void deb(T1 e1, T2 e2, T3 e3) {
cout << e1 << " " << e2 << " " << e3 << endl;
... | ### 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 β€ 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 = 1e5 + 1e3;
const long long Mod = 1e9 + 7;
vector<int> al[Maxn];
int bad[Maxn], dp[Maxn][2];
long long pw(long long a, long long b) {
if (!b) return 1;
return (pw((a * a) % Mod, b / 2) * (b % 2 ? a : 1)) % Mod;
}
long long dfs(int v, int p = -1, int stat... | ### 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 β€ 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 N = 1e9 + 7;
vector<long long> v[112345];
long long n, p[112345], f[112345][2];
bool vis[112345];
void dfs(long long x) {
vis[x] = 1;
for (long long i = 0; i < v[x].size(); i++) {
long long dir = v[x][i];
if (vis[dir]) continue;
dfs(dir);
... | ### 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 β€ 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 N = 1e5 + 10, mod = 1e9 + 7;
int head[N], nxt[N << 1], to[N << 1], cnt;
int n, col[N];
long long dp[N][2];
void init() {
memset(head, -1, sizeof(head));
cnt = 0;
}
void addEdge(int u, int v) {
nxt[cnt] = head[u];
to[cnt] = v;
head[u] = cnt++;
}
void dfs(... | ### 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 β€ 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 mod = 1000000007;
vector<int> child[100000];
int black[100000];
int dp[100000][2];
int pref[100000 + 1][2], suf[100000 + 1][2];
void calc(int v) {
const int nchild = (int)child[v].size();
for (int i = 0; i < nchild; i++) {
int v2 = child[v][i];
c... | ### 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 β€ 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;
vector<int> graph[100010];
long long dp0[100010], dp1[100010];
int color[100010];
int main(void) {
int i, j;
cin >> N;
for ((i) = 0; (i) < (int)(N - 1); (i)++) {
int p;
scanf("%d", &p);
graph[p].push_back(i + 1);
}
for ((i) = 0; (i) < (int)(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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
template <class T>
inline T _sq(T a) {
return a * a;
}
template <class T>
inline T _sqrt(T a) {
return (T)sqrt((double)a);
}
template <class T, class X>
inline T _pow(T a, X y) {
T z = 1;
for (int i = 1; i <= y; i++) {
z *= a;
}
return z;
}
template <class T... | ### 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 β€ 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;
vector<int> adj[100005];
long long dp[100005][2];
int color[100005];
void dfs(int u) {
dp[u][0] = 1;
dp[u][1] = 0;
for (int v : adj[u]) {
dfs(v);
dp[u][1] *= dp[v][0];
dp[u][1] %= 1000000007LL;
dp[u][1] += dp[u][0] * dp[v][1] % 1000000007LL;
dp[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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
const int INF = 0x3f3f3f3f, MOD = 1e9 + 7;
const int n_ = 1e5 + 1000;
long long gcd(long long a, long long b) { return (a ? gcd(b % a, a) : b); }
long long power(long long a, long long n) {
long long p = 1;
while (n > 0) {
if (n % 2) {
p = p * a;
}
n >... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
const int MAXN = 100000;
const int MAXM = 200000;
const int MOD = 1e9 + 7;
using namespace std;
inline void enableFileIO() {
freopen("test.in", "r", stdin);
freopen("test.out", "w", stdout);
}
inline int read() {
int x = 0, w = 1;
char c = ' ';
while (c < '0' || c > '9') {
c = get... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#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
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 β€ 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 power(long long x, long long y) {
long long res = 1LL;
x = x % 1000000007;
while (y > 0) {
if (y & 1) res = (res * x) % 1000000007;
y = y >> 1;
x = (x * x) % 1000000007;
}
return res % 1000000007;
}
long long inv(long long n) { return power(n... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
int const mo = 1000000007;
int const maxn = 100007;
bool black[maxn];
int n;
long long f[maxn][2];
std::vector<std::vector<int> > tree;
void add_edge(int u, int v) {
tree[u].push_back(v);
tree[v].push_back(u);
}
void dp(int x, int father) {
f[x][0] = 1;
f[x][1] = 0;
for (int i = 0; i ... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
long long mod = 1000000007;
long long f1[100010];
long long f2[100010];
list<int> l[100010];
int a[100010];
void dfs(int x) {
if (a[x]) {
f1[x] = 1;
f2[x] = 0;
} else {
f1[x] = 0;
f2[x] = 1;
}
for (auto v : l[x]) {
dfs(v);
f1[x] = (f1[x] * (f... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it w... |
#include <bits/stdc++.h>
std::vector<int> children[100005];
int N;
long long int dp1[100005], dp2[100005];
bool isBlack[100005];
inline int max(int a, int b) { return a + (b - a) * (b > a); }
void extendedGCD(int a, int b, long long int& x, long long int& y) {
if (b) {
extendedGCD(b, a % b, x, y);
int aux = y... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
struct Edge {
int np;
Edge *next;
pair<long long, long long> val;
} E[101000 * 2], *V[101000];
int tope = -1;
int root;
int c[101000];
void addedge(int x, int y) {
E[++tope].np = y;
E[tope].next = V[x];
V[x] = &E[tope];
}
int fa[101000];
bool nr[101000];
pair<lo... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
int n, p[100010], x[100010];
vector<int> ch[100010];
long long a[2][100010];
long long modpow(long long q, long long w) {
long long res = 1;
q %= 1000000007;
while (w) {
if (w & 1) res = res * q % 1000000007;
q = q * q % 1000000007;
w >>= 1;
}
return r... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
template <int POS, class TUPLE>
void deploy(std::ostream &os, const TUPLE &tuple) {}
template <int POS, class TUPLE, class H, class... Ts>
void deploy(std::ostream &os, const TUPLE &t) {
os << (POS == 0 ? "" : ", ") << get<POS>(t);
deploy<POS + 1, TUPLE, Ts...>(os, t);
... | ### 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 β€ 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;
long long dp[100005][2];
vector<int> adj[1000000];
long long mod = 1000000007;
int x[1000000];
int n;
void dfs(int v) {
dp[v][x[v]] = 1;
for (auto u : adj[v]) {
dfs(u);
dp[v][1] = (dp[v][0] * dp[u][1] + dp[v][1] * (dp[u][0] + dp[u][1])) % mod;
dp[v][0] = (dp... | ### 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 β€ 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 p(long long x, long long n) {
x %= 1000000007ll;
long long ret = 1;
while (n > 0) {
if (n & (1ll)) ret = ret * x % 1000000007ll;
x = x * x % 1000000007ll;
n >>= (1ll);
}
return ret;
}
int n;
vector<int> node[233333];
int x[233333];
long long ... | ### 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 β€ 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 mx = 1000 * 100 + 10;
vector<long long> ad[mx];
long long col[mx], dp0[mx], dp1[mx], m = 1000 * 1000 * 1000 + 7;
void dfs(long long v) {
if (col[v])
dp1[v] = 1;
else
dp0[v] = 1;
for (long long i = 0; i < (long long)ad[v].size(); i++) {
long... | ### 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 β€ 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 = 100005;
const int MAXE = 200005;
const int mod = 1e9 + 7;
struct Edge {
int v;
Edge* next;
} E[MAXE], *H[MAXN], *cur;
int color[MAXN];
long long dp[MAXN][2];
void clear() {
cur = E;
memset(H, 0, sizeof H);
memset(color, 0, sizeof color);
memset(... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
#pragma comment(linker, "/STACK:100000000000000")
const long long int INF = 2e15 + 1;
using namespace std;
vector<long long int> g[2000010];
long long int cnt[2000010][2];
long long int color[2000010];
long long int mod = 1000000007;
vector<long long int> d;
long long int binpow(long long int a... | ### 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 β€ 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 sz = 2e5 + 5, mod = 1e9 + 7;
long long ans = 1;
int a[sz], csub[sz], fdp[sz], dp[sz];
vector<int> g[sz];
void go(int u, int p) {
csub[u] = a[u];
for (int v : g[u])
if (v ^ p) go(v, u), csub[u] += csub[v];
}
int dfs(int u, int p, int d);
int fnc(int u, int ... | ### 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 β€ 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 int inf = 1e18, M = 1e9 + 7;
const long long int N = 1e5 + 5;
vector<long long int> v[N], val(N, 0);
long long int dp[N][2];
long long int zero, one;
void dfs(long long int x, long long int p) {
dp[x][val[x]] = 1;
for (auto c : v[x]) {
if (c == p) co... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
#pragma warning(disable : 4996)
using namespace std;
int n;
vector<int> g[100020];
int col[100020];
long long dp[100020][2];
void dfs(int u) {
dp[u][0] = 1;
dp[u][1] = 0;
for (int i = 0; i < g[u].size(); ++i) {
int v = g[u][i];
dfs(v);
dp[u][1] = dp[u][1] * dp[v][0] % 10000000... | ### 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 β€ 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 mod = 1e9 + 7;
vector<int> G[100010];
int dp[100010][2], color[100010];
inline void addIt(int &x, int val) {
x += val;
if (x >= mod) x -= mod;
}
void dfs(int u, int father) {
dp[u][1] = color[u];
dp[u][0] = color[u] ^ 1;
for (vector<int>::iterator e = G[... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
int n, u, v, x[int(1e5 + 10)];
long long int dp0[int(1e5 + 10)], dp1[int(1e5 + 10)];
vector<int> g[int(1e5 + 10)];
long long int power(long long int x, long long int n) {
if (n == 0ll) return 1ll;
long long int y = power(x, n / 2ll);
y = (y * y) % int(1e9 + 7);
if (... | ### 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 β€ 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;
vector<long long int> adjlist[300005];
long long int color[300005];
long long int dp[300005][2];
long long int mark[300005];
void dfs(long long int cur) {
mark[cur] = 1;
long long int len = adjlist[cur].size();
long long int i, j;
... | ### 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 β€ 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, col[123456];
long long dp[123456][2];
vector<int> G[123456];
void addedge(int x, int y) { G[x].push_back(y); }
void init() {
scanf("%d", &n);
for (int i = 0; i < n - 1; i++) {
int tmp;
scanf("%d", &tmp);
addedge(tmp, i + 1);
}
for (int i = 0; i < ... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
const int mod = 1e9 + 7;
int head[100005], e, n;
long long dp[100005][2];
struct E {
int to, next;
} edge[100005];
inline void addedge(int u, int v) {
edge[e].to = v;
edge[e].next = head[u];
head[u] = e++;
}
void dfs(int u) {
int i;
for (i = head[u]; i; i = edge[i].next) {
int v... | ### 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 β€ 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 + 55;
vector<int> vec[N];
int m = 1e9 + 7;
long long dp1[N];
long long dp2[N];
int a[N];
void dfs(int u, int parent) {
dp1[u] = 1;
dp2[u] = 0;
for (auto v : vec[u]) {
if (v == parent) continue;
dfs(v, u);
dp2[u] *= dp1[v];
dp2[u] += d... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
const long long INF = 1e9 + 10;
const int MOD = 1e9 + 7;
long long dp[N][2], color[N];
vector<vector<int>> tree;
long long arr = 1;
void dfs(int go, int cur) {
dp[go][0] = 1;
for (auto v : tree[go]) {
if (v == cur) continue;
dfs(v, go);
... | ### 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 β€ 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, inf = 1000000000;
const int N = 100010;
inline int read() {
char ch;
while (!isdigit(ch = getchar()))
;
int x = ch - '0';
while (isdigit(ch = getchar())) x = (x << 1) + (x << 3) + ch - '0';
return x;
}
int n, cnt;
int a[N], la... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
long long n, tot, e[500010], nt[500010], hd[500010], f[100010][2], p = 1e9 + 7,
a[100010];
void build(long long x, long long y) {
tot++;
e[tot] = y;
nt[tot] = hd[x];
hd[x] = tot;
}
void dfs(long long... | ### 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 β€ 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 = 300005;
const int M = 1000000007;
int n;
int pp[N];
vector<int> a[N];
int g[N];
int dp[N][2];
int s[N], p[N];
void dfs(int x) {
if (g[x] == 1) dp[x][1] = 1;
if (g[x] == 0) dp[x][0] = 1;
for (int i = 0; i < a[x].size(); ++i) {
int h = a[x][i];
dfs... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("fast-math")
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
using namespace std;
const long long INF = 1e10;
struct Edge {
long long v = 0, u = 0, q = 0;
Edge() {}
Edge(int v1, int u1) {
v = v1;
u = u1;
}
... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
#pragma comment(linker, "/STACK:33554432")
const int MOD = 1e9 + 7;
int N, K, A[100005], par[100005];
int D[100005][2];
vector<int> con[100005];
int inv(int n) {
int ret = 1, v = n;
for (int i = 0; i < 30; i++, v = (long long)v * v % MOD)
if (((MOD - 2) >> i) & 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 β€ 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 MAX_N = 101000;
const long long MOD = 1e9 + 7;
vector<int> v[MAX_N];
int col[MAX_N];
long long dp[MAX_N][2];
bool have[MAX_N];
long long ans = 1;
void dfs(int x, int fa) {
int i;
dp[x][0] = 1;
dp[x][1] = 0;
for (i = 0; i < v[x].size(); i++) {
int y = v... | ### 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 β€ 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;
int n, a[100005];
vector<int> edges[100005];
long long dp[100005][2];
void solve(int x, int px) {
dp[x][0] = 1LL;
dp[x][1] = 0LL;
for (int i = 0; i < edges[x].size(); i++) {
int y = edges[x][i];
if (y == px) continue;
solve(y... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
long long a[int(1e6 + 6)], i, m, ans, k, l, j, x, n, ma, mi;
string s;
long long d[int(1e6 + 6)][2];
vector<long long> v[int(1e6 + 6)];
void go(int u) {
d[u][0] = 1;
d[u][1] = 0;
for (int i = 0; i < v[u].size(); i++) {
go(v[u][i]);
int X = v[u][i];
d[u][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 β€ 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 maxn = 1e5 + 5;
const long long mod = 1e9 + 7;
vector<long long> AdjList[maxn];
long long dp[2][maxn];
long long col[maxn];
long long binpow(long long a, long long b) {
if (b == 0) return 1;
long long x = binpow(a, b / 2);
x = (x * x) % mod;
if (b % ... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
inline long long read() {
long long x = 0, w = 1;
char ch = getchar();
while (ch > '9' || ch < '0') {
if (ch == '-') w = -1;
ch = getchar();
}
while (ch >= '0' && ch <= '9') x = x * 10 + ch - '0', ch = getchar();
return x * w;
}
inline void write(long lo... | ### 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 β€ 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 base = 1000000007;
const double pi = acos(-1);
vector<int> ad[100100];
int n, f1[100100], f0[100100], F1[100100], F0[100100], top, SR[100100],
SL[100100];
int color[100100];
void visit(int pa, int i) {
bool ok = 0;
for (int j = 0; j <= (int)ad[i].size() - ... | ### 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 β€ 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 = 100010, M = N << 1;
const int MOD = 1000000007;
int n, c[N], son[N];
int head[N], pre[M], nxt[M], e;
long long dp[N][2], ans;
void init() {
memset(head, -1, sizeof(head));
e = 0;
}
void addedge(int u, int v) { pre[e] = v, nxt[e] = head[u], head[u] = e++; }... | ### 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 β€ 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 = 1000000007;
static const long long N = 100000;
long long inv(long long n, long long p) {
n = n % p;
long long r = 1;
long long pow = p - 2;
while (pow > 0) {
if (pow & 1) {
r = (r * n) % p;
}
pow = pow >> 1;
n = (... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
void RI(int& x) {
x = 0;
char c = getchar();
while (!(c >= '0' && c <= '9' || c == '-')) c = getchar();
bool flag = 1;
if (c == '-') {
flag = 0;
c = getchar();
}
while (c >= '0' && c <= '9') {
x = x * 10 + c - '0';
c = getchar();
}
if (!fla... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
vector<vector<int> > vv;
long long dp[200001][2];
const int INF = 1e9 + 7;
vector<int> a;
void dfs(int v, int p) {
dp[v][0] = 1;
dp[v][1] = 0;
for (int i = 0; i < vv[v].size(); i++) {
int to = vv[v][i];
if (to != p) {
dfs(to, v);
dp[v][1] *= dp[to]... | ### 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 β€ 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;
long long int dp[100005][2];
long long int x[100005];
std::vector<long long int> g[100005];
void dfs(long long int v, long long int vp) {
dp[v][1] = 0;
dp[v][0] = 1;
for (long long int u : g[v]) {
if (u == vp) continue;
dfs(u, v);
dp[v][1] =
(((dp[... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const int sz = 100005;
int n;
vector<int> T[sz];
vector<int> col;
const int MOD = 1000000007;
long long P[sz][2];
void dfs(int u, int prev) {
if (col[u] == 1) P[u][1] = 1;
P[u][0] = P[u][1] ^ 1;
for (int i = 0; i < T[u].size(); i++) {
int v = T[u][i];
if (v ==... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
std::vector<int> path[300000];
int p[300000];
long long dp[300000][2];
void extended_gcd(long long m, long long n, long long &i, long long &j) {
if (n == 0) {
i = 1;
j = 0;
return;
}
extended_gcd(n, m % n, j, i);
j = ((j - (m / n) * i) % 1000000007 + 1000000007) % 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 β€ 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 + 3;
const long long MOD = 1000000007;
int n;
bool x[maxn];
vector<int> e[maxn];
long long dp[maxn][2];
void dfs(int source) {
dp[source][0] = 1ll;
dp[source][1] = 0ll;
for (int i = 0; i < e[source].size(); i++) {
int u = e[source][i];
... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
long long dp[100005][2];
vector<int> adj[1000000];
long long mod = 1000000007;
bool vis[1000000];
int x[1000000];
int n;
void dfs(int v) {
dp[v][x[v]] = 1;
for (auto u : adj[v]) {
dfs(u);
dp[v][1] = (dp[v][0] * dp[u][1] + dp[v][1] * dp[u][0]) % mod;
dp[v][0]... | ### 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 β€ 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, col[100050];
long long dp[100050][2];
vector<int> edge[100050];
void dfs(int at, int past) {
dp[at][0] = 1;
dp[at][1] = 0;
if (col[at]) swap(dp[at][0], dp[at][1]);
for (int i = 0; i < edge[at].size(); i++) {
int u = edge[at][i];
if (u == past) continu... | ### 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 β€ 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;
long long const N = 2e5 + 20, MOD = 1e9 + 7;
long long n, x, dp[N][2];
bool vis[N], col[N];
vector<long long> child[N];
void dfs(int v = 0) {
for (auto u : child[v]) dfs(u);
vector<long long> preChild, sufChild;
preChild.push_back(1), sufChild.push_back(1);
for (aut... | ### 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 β€ 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 = 100010;
const long long int mod = 1000000007LL;
int n;
struct Edge {
int to, next;
} edge[3 * maxn];
int Adj[maxn], Size;
void init() {
Size = 0;
memset(Adj, -1, sizeof(Adj));
}
void Add_Edge(int u, int v) {
edge[Size].to = v;
edge[Size].next = Ad... | ### 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 β€ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
int main() {
int a, m;
cin >> a >> m;
for (int i = 0; i <= m; i++) {
a += (a % m);
a %= m;
if (a == 0) {
printf("Yes\n");
return 0;
}
}
printf("No\n");
}
| ### Prompt
Generate a cpp solution to the following problem:
One industrial factory is reforming working plan. The director suggested to set a mythical detail production norm. If at the beginning of the day there were x details in the factory storage, then by the end of the day the factory has to produce <image> (rem... |
#include <bits/stdc++.h>
using namespace std;
const long long mod = 1000000007;
bool isPrime(long long n) {
for (long long i = 2; i * i <= n; ++i) {
if (n % i == 0) {
return false;
}
}
return true;
}
long long factorial(long long n) {
return (n == 1 || n == 0) ? 1 : n * factorial(n - 1);
}
long lo... | ### Prompt
In Cpp, your task is to solve the following problem:
One industrial factory is reforming working plan. The director suggested to set a mythical detail production norm. If at the beginning of the day there were x details in the factory storage, then by the end of the day the factory has to produce <image> (... |
#include <bits/stdc++.h>
using namespace std;
inline int toInt(string s) {
int v;
istringstream sin(s);
sin >> v;
return v;
}
template <class T>
inline string toString(T x) {
ostringstream sout;
sout << x;
return sout.str();
}
long long x[1001], y[1001];
int main() {
int a, m;
cin >> a >> m;
while (... | ### Prompt
Your task is to create a cpp solution to the following problem:
One industrial factory is reforming working plan. The director suggested to set a mythical detail production norm. If at the beginning of the day there were x details in the factory storage, then by the end of the day the factory has to produc... |
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