output stringlengths 52 181k | instruction stringlengths 296 182k |
|---|---|
#include <bits/stdc++.h>
using namespace std;
int t;
char c[200007];
signed main(void) {
scanf("%d", &t);
while (t--) {
int n, k;
scanf("%d%d", &n, &k);
cin >> c + 1;
int last = 0x7fffffff, ans = 0, tmp = 0;
for (int i = 1; i <= n; i++) {
int num = i - last - 1;
if (c[i] == '1') {
... | ### Prompt
Please create a solution in CPP to the following problem:
Polycarp and his friends want to visit a new restaurant. The restaurant has n tables arranged along a straight line. People are already sitting at some tables. The tables are numbered from 1 to n in the order from left to right. The state of the res... |
#include <bits/stdc++.h>
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
;
int t;
cin >> t;
while (t--) {
int n, k;
cin >> n >> k;
string s;
cin >> s;
int cnt = 0;
for (int i = 0; i < n;) {
int j = i + 1;
for (; j < n &... | ### Prompt
Please formulate a CPP solution to the following problem:
Polycarp and his friends want to visit a new restaurant. The restaurant has n tables arranged along a straight line. People are already sitting at some tables. The tables are numbered from 1 to n in the order from left to right. The state of the res... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 2 * 1e5 + 50;
int a[maxn];
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t;
cin >> t;
while (t--) {
int n, k;
string s;
cin >> n >> k >> s;
int ans = 0;
int o = 0;
for (int i = 0; i < n; i++) {
... | ### Prompt
Develop a solution in cpp to the problem described below:
Polycarp and his friends want to visit a new restaurant. The restaurant has n tables arranged along a straight line. People are already sitting at some tables. The tables are numbered from 1 to n in the order from left to right. The state of the res... |
#include <bits/stdc++.h>
int main() {
int t, n, k;
char ch;
scanf("%d", &t);
while (t--) {
scanf("%d %d", &n, &k);
scanf("%c", &ch);
char a[n];
int i, q = 0, ind[n], first = -1, top = 0, quo = 0, s = 0;
gets(a);
for (i = 0; i < n; i++) {
if (a[i] == '1') {
ind[top++] = i;
... | ### Prompt
Your challenge is to write a Cpp solution to the following problem:
Polycarp and his friends want to visit a new restaurant. The restaurant has n tables arranged along a straight line. People are already sitting at some tables. The tables are numbered from 1 to n in the order from left to right. The state ... |
#include <bits/stdc++.h>
using namespace std;
int main() {
int t;
cin >> t;
for (int test = 1; test <= t; test++) {
int n, k;
cin >> n >> k;
string s;
cin >> s;
int res = 0;
for (int i = 0; i < n;) {
int j = i + 1;
for (; j < n && s[j] != '1'; j++)
;
int left = s[... | ### Prompt
Construct a Cpp code solution to the problem outlined:
Polycarp and his friends want to visit a new restaurant. The restaurant has n tables arranged along a straight line. People are already sitting at some tables. The tables are numbered from 1 to n in the order from left to right. The state of the restau... |
#include <bits/stdc++.h>
using namespace std;
const long long int N = 200010;
vector<long long int> adj[N];
long long int n, m;
vector<long long int> ar, hr, size, g, b;
bool ans;
void dfs(long long int v, long long int p) {
size[v] = ar[v];
long long int gu = 0, bu = 0;
for (auto u : adj[v]) {
if (u == p) {
... | ### Prompt
In cpp, your task is to solve the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of an... |
#include <bits/stdc++.h>
using namespace std;
const long long inf = (long long)1e9;
const int N = (int)1e5 + 2;
int good[N], h[N], p[N], pass[N];
vector<vector<int>> tr;
bool ok = true;
void dfs(int u, int par = -1) {
pass[u] = p[u];
int goods = 0;
for (auto v : tr[u]) {
if (v != par) {
dfs(v, u);
... | ### Prompt
Develop a solution in Cpp to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
vector<int> adj[200005], v;
int vis[200005], par[200005];
long long int sum[200005], hap[200005], people[200005], good[200005],
bad[200005];
void dfs(int x) {
vis[x] = 1;
v.push_back(x);
for (int i = 0; i < adj[x].size(); i++) {
int y = adj[x][i];
if (vis[... | ### Prompt
In CPP, your task is to solve the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of an... |
#include <bits/stdc++.h>
using namespace std;
vector<int> v[100005];
int p[100005];
int h[100005];
int happy[100005];
int sad[100005];
bool vis[100005];
bool ok;
void init(int n) {
for (int i = 1; i < n + 1; i++) {
v[i].clear();
vis[i] = false;
}
ok = true;
}
void dfs(int node) {
vis[node] = true;
lon... | ### Prompt
Your challenge is to write a Cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
vector<vector<int>> adj;
int *p;
int *h;
int *g;
int *a;
bool access = true;
void dfs(int s, int ancestor = -1) {
a[s] = p[s];
int s_g = 0;
for (auto to : adj[s]) {
if (ancestor == to) continue;
dfs(to, s);
s_g += g[to];
a[s] += a[to];
}
int good =... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
long long n, m;
vector<long long> p, h, ppl, val;
vector<vector<long long> > v;
bool flag = 1;
bool check(long long tot, long long value, long long given) {
if (value > given) return 0;
if ((given + tot) % 2 != 0) return 0;
long long x = (given + tot) / 2;
if (x > t... | ### Prompt
Your task is to create a cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Cit... |
#include <bits/stdc++.h>
using namespace std;
long long happy(long long pt, long long hi) {
if ((pt + hi) % 2 != 0)
return -1;
else
return (pt + hi) / 2;
}
int32_t main() {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
;
long long t;
cin >> t;
while (t--) {
long long n, k;
cin >> n... | ### Prompt
Your challenge is to write a Cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
vector<int> adj[200005];
bool visited[200005];
long long p[200005], h[200005];
long long happy[200005], popul[200005];
bool no = 0;
void dfs(int n) {
visited[n] = 1;
long long ha = 0;
for (auto x : adj[n]) {
if (!visited[x]) {
dfs(x);
p[n] += p[x];
... | ### Prompt
Please create a solution in cpp to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using uint = unsigned int;
using ull = unsigned long long;
template <typename T>
using pair2 = pair<T, T>;
using pii = pair<int, int>;
using pli = pair<ll, int>;
using pll = pair<ll, ll>;
mt19937_64 rng(chrono::steady_clock::now... | ### Prompt
Generate a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any c... |
#include <bits/stdc++.h>
using namespace std;
struct piii {
long long first, second, th;
bool operator<(const piii &b) {
if (first != b.first) return first < b.first;
if (second != b.second) return second < b.second;
return th < b.th;
}
};
const int maxn = 1e5 + 5;
bool ok;
int n, m;
long long p[maxn]... | ### Prompt
Develop a solution in CPP to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
#pragma GCC optimize("-O3")
using namespace std;
const double PI = acos(-1);
long long gcd() { return 0ll; }
template <typename T, typename... Args>
T gcd(T a, Args... args) {
return __gcd(a, (__typeof(a))gcd(args...));
}
const int N = 1e5 + 2;
vector<int> G[N];
long long p[N], h[N], dp[N];
b... | ### Prompt
Create a solution in Cpp for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
vector<long long> V[100009];
long long color[100009];
long long P[100009];
long long H[100009];
bool isValid(long long p, long long h) {
if ((p + h) % 2 == 0) return true;
return false;
}
long long calcA(long long p, long long h) { return (p + h) / 2; }
bool bol = true;... | ### Prompt
Your task is to create a Cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Cit... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 2e5 + 10;
int t, n, i, j, k, m, f;
int p[maxn], h[maxn], num[maxn], vis[maxn];
vector<int> v[maxn];
void dfs(int k) {
vis[k] = 1;
int s = 0;
num[k] = p[k];
for (int i = 0; i < v[k].size(); i++)
if (vis[v[k][i]] == 0) {
dfs(v[k][i]);
... | ### Prompt
Create a solution in CPP for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
vector<vector<long long>> adj;
vector<long long> p, h;
vector<long long> pp, hh;
long long dfs1(long long s, long long par) {
pp[s] = p[s];
for (long long u : adj[s])
if (u != par) {
pp[s] += dfs1(u, s);
}
return pp[s];
}
bool flag = false;
long long dfs... | ### Prompt
Construct a cpp code solution to the problem outlined:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of ... |
#include <bits/stdc++.h>
using namespace std;
int p[100010];
int happy[100010];
int h[100010], e[200010], idx, ne[200010];
int ha_per[100010];
void add(int a, int b) { e[idx] = b, ne[idx] = h[a], h[a] = idx++; }
bool flag;
void dfs(int u, int fa) {
if (!flag) return;
if (h[u] == -1) {
if (abs(happy[u]) > p[u]) ... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
unsigned long long mymax = 1;
unsigned long long maxof(unsigned long long a, unsigned long long b) {
return a > b ? a : b;
}
int minof(int a, int b) { return a < b ? a : b; }
int abs(int a) { return a < 0 ? -a : a; }
unsigned long long mypow(unsigned long long a, unsigned... | ### Prompt
Please formulate a Cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
const long long N = 1e5 + 7;
long long n, m;
vector<long long> p(N);
vector<long long> h(N);
vector<long long> graf[N];
bool access = true;
long long a[N], g[N];
void dfs(long long v, long long anc = -1) {
a[v] = p[v];
long long sum = 0;
for (long long to : graf[v]) {... | ### Prompt
Please formulate a cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
vector<long long> adj[100005], tot(100005), hap(100005), thp(100005),
tsd(100005), org(100005);
vector<bool> vis(100005, false), mvis(100005, false);
bool pos = true;
pair<long long, long long> dfs(long long n) {
pair<long long, long long> cur = {0, 0};
vis[n] = tru... | ### Prompt
Create a solution in Cpp for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
const int N = 100005;
int n, m, people[N], hap[N], subpeo[N], subgood[N], subbad[N];
vector<int> ad[N];
bool G;
void dfs(int node, int par) {
int goood = 0, baaad = 0, pep = 0;
for (int child : ad[node]) {
if (child == par) continue;
dfs(child, node);
pep +=... | ### Prompt
Please formulate a Cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e5 + 1;
bool dfs(int u, int p, vector<vector<int>> &adj, vector<long long> &population,
vector<long long> &h, vector<long long> &a, vector<long long> &b) {
bool ans = true;
a[u] = population[u];
long long sum = 0;
for (auto it : adj[u]) {
... | ### Prompt
Develop a solution in CPP to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
inline long long max3(long long a, long long b, long long c) {
return (a) > (b) ? ((a) > (c) ? (a) : (c)) : ((b) > (c) ? (b) : (c));
}
inline long long min3(long long a, long long b, long long c) {
return (a) < (b) ? ((a) < (c) ? (a) : (c))... | ### Prompt
In cpp, your task is to solve the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of an... |
#include <bits/stdc++.h>
using namespace std;
int dfs(int v, vector<vector<int> > &adj, vector<bool> &vis, vector<int> &p,
vector<int> &q, vector<int> &h, bool &check) {
vis[v] = true;
q[v] = p[v];
int sum = 0;
for (int i = 0; i < adj[v].size(); i++)
if (!vis[adj[v][i]]) {
sum += dfs(adj[v][i]... | ### Prompt
Please create a solution in cpp to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
bool flag = true;
void fast() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
}
void dfs(vector<vector<long long>> &adj, vector<long long> &h,
vector<long long> &p, long long srt, long long par,
vector<long long> &g) {
for (long long i = 0; i < ad... | ### Prompt
Please formulate a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
const long long int NUM = 2e5 + 5;
long long int ans, n, m;
vector<long long int> g[NUM], total(NUM), G(NUM), B(NUM), h(NUM), p(NUM);
bool vis[NUM];
void dfs(long long int node) {
vis[node] = 1;
long long int bad = 0;
total[node] = p[node];
for (auto x : g[node]) {
... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
double mod(double a) {
if (a < 0) return -1 * a;
return a;
}
bool prime[100000000 + 1];
void SieveOfEratosthenes() {
long long int n = 100000000;
memset(prime, true, sizeof(prime));
for (int p = 2; p * p <= n; p++) {
if (prime[p] == true) {
for (int i = ... | ### Prompt
Create a solution in Cpp for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
long long int getSubSize(int index, int parent, vector<vector<int> > &roads,
long long int p[], long long int s[]) {
long long int ans = p[index];
for (int j = 0; j < roads[index].size(); j++) {
int i = roads[index][j];
if (i != parent) ... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
vector<long long int> v[100090];
long long int p[100090], h[100090], g[100090];
long long int a[100090];
int vis[100090];
long long int f = 0;
void dfs(long long int n, long long int par) {
a[n] = p[n];
long long int sum = 0;
for (auto it : v[n]) {
if (it == par) ... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
int n, m;
vector<int> w, h, sz, par, good, bad;
vector<vector<int> > adj;
void dfs(int u) {
sz[u] = w[u];
for (auto v : adj[u]) {
if (v == par[u]) continue;
par[v] = u;
dfs(v);
sz[u] += sz[v];
}
}
int main() {
ios::sync_with_stdio(0), cin.tie(0);
i... | ### Prompt
Develop a solution in cpp to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
const int mxn = 1e5 + 5;
bool vis[mxn], ok = 1;
vector<int> adj[mxn];
vector<int> p(mxn), h(mxn), g(mxn);
void dfs(int node) {
vis[node] = 1;
for (int x : adj[node]) {
if (!vis[x]) {
dfs(x);
p[node] += p[x];
}
}
}
void dfsx(int node) {
vis[node] ... | ### Prompt
Create a solution in cpp for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 6;
bool flag = true;
vector<int> v[N];
int a[N], p[N], h[N], g[N];
void dfs(int u, int temp = -1) {
a[u] = p[u];
int sum = 0;
for (auto x : v[u]) {
if (x == temp) continue;
dfs(x, u);
sum += g[x];
a[u] += a[x];
}
if ((a[u] + h[u... | ### Prompt
Your task is to create a cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Cit... |
#include <bits/stdc++.h>
using namespace std;
long long gcd(long long a, long long b) {
if (b == 0) return a;
return gcd(b, a % b);
}
string next_valid_bracket_sequence(const string &x) {
string s = x;
int n = s.size();
int d = 0;
for (int i = n - 1; i >= 1; i--) {
if (s[i] == ')')
d++;
else {... | ### Prompt
Create a solution in CPP for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
const long long nax = 1e5 + 7;
long long point[nax] = {0}, happy[nax], h[nax], p[nax], lo[nax];
vector<long long> edge[nax];
bool value = true;
void DFS(long long s, long long par = -1) {
point[s] = p[s];
for (auto it : edge[s]) {
if (it != par) {
DFS(it, s);
... | ### Prompt
Please formulate a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
int p[200200], h[200200], friends[200200];
int good[200200], flag;
vector<int> g[200200];
void dfs(int v, int pred = -1) {
friends[v] = p[v];
int sumg = 0;
for (int i = 0; i < g[v].size(); i++) {
int to = g[v][i];
if (to == pred) continue;
dfs(to, v);
... | ### Prompt
Please provide a cpp coded solution to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
#pragma GCC target("avx2")
#pragma GCC optimization("O3")
#pragma GCC optimization("unroll-loops")
void fst() {
ios::sync_with_stdio(0);
cin.tie(0);
}
int mod = 1e9 + 7;
int binpow(int a, int b) {
int res = 1;
while (b > 0) {
if (b & 1) {
res = res * a;
... | ### Prompt
Create a solution in cpp for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 10;
int t, n, m;
int p[maxn];
int h[maxn];
vector<int> tree[maxn];
bool flag;
bool vis[maxn];
pair<int, int> dfs(int x) {
if (!flag) return {0, 0};
vis[x] = true;
int sub = 0, sub_happy = 0;
for (int y : tree[x]) {
if (vis[y]) continue;
... | ### Prompt
Develop a solution in Cpp to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
vector<int> adj[100005];
int a[100005], h[100005], trav[100005], idx[100005];
bool fl = true;
void dfs(int v, int anc = -1) {
trav[v] = a[v];
int s = 0;
for (int to : adj[v]) {
if (to == anc) continue;
dfs(to, v);
s += idx[to];
trav[v] += trav[to];
}... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
int NMAX = 1000000;
vector<vector<int>> edg(NMAX);
vector<int> a(NMAX), h(NMAX);
vector<int> temp(NMAX), fake(NMAX);
int ans = 1;
void dfs(int u, int v) {
temp[u] = a[u];
int subtree = 0;
for (int i = 0; i < edg[u].size(); i++) {
if (edg[u][i] == v) {
contin... | ### Prompt
Please provide a cpp coded solution to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
bool isPossible = 1;
void dfs(int node, map<int, vector<int>> &g, int parent, vector<int> &total,
vector<int> &bad, vector<int> &good, vector<int> &hp,
vector<int> &ppl) {
int badChild = 0;
total[node] = ppl[node];
for (int nbr : g[node]) {
if (n... | ### Prompt
Construct a CPP code solution to the problem outlined:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of ... |
#include <bits/stdc++.h>
using namespace std;
void err(istream_iterator<string> it) {
cout << '\n';
;
}
template <typename T, typename... Args>
void err(istream_iterator<string> it, T a, Args... args) {
cerr << *it << " = " << a << ", ";
err(++it, args...);
}
template <typename T>
inline void Int(T &n) {
n = ... | ### Prompt
Create a solution in CPP for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
int a[N][3], h[N];
vector<int> v[N];
int flag;
void dfs(int x, int fa) {
if (flag) return;
for (auto i : v[x]) {
if (i != fa) {
dfs(i, x);
a[x][2] += a[i][2];
a[x][1] += a[i][1];
}
}
if ((a[x][1] - h[x]) / 2 > a[x][2... | ### Prompt
In CPP, your task is to solve the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of an... |
#include <bits/stdc++.h>
using namespace std;
mt19937 rnd((size_t)time(nullptr));
vector<vector<int>> g;
vector<long long> p;
vector<long long> h;
vector<long long> acc;
int n, m;
void dfs(int v, int pr, bool &can) {
acc[v] = 0;
for (int u : g[v]) {
if (u == pr) {
continue;
}
dfs(u, v, can);
a... | ### Prompt
Construct a cpp code solution to the problem outlined:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of ... |
#include <bits/stdc++.h>
std::mt19937_64 rng(
std::chrono::steady_clock::now().time_since_epoch().count());
using namespace std;
const long long N = 100005;
vector<long long> v[N];
vector<long long> sub(N);
vector<long long> vis(N), h(N), p(N);
long long ans;
pair<long long, long long> dfs(long long s) {
vis[s] =... | ### Prompt
Please create a solution in cpp to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
int P[100005], h[100005];
vector<int> G[100005];
int sz[100005];
int a[100005], b[100005];
void get_sz(int u, int p) {
sz[u] = P[u];
for (int v : G[u]) {
if (v != p) {
get_sz(v, u);
sz[u] += sz[v];
}
}
}
bool dfs(int u, int p) {
if ((sz[u] + h[u]... | ### Prompt
Your task is to create a cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Cit... |
#include <bits/stdc++.h>
using namespace std;
vector<long long> p1(100010), p2(100010), cost(100010), g(100010), b(100010);
vector<long long> adj[100010];
bool z = true;
long long t, n, m;
void init(long long N) {
z = true;
for (int i = 0; i <= N; i++) {
adj[i].clear();
g[i] = 0, b[i] = 0;
}
}
pair<long l... | ### Prompt
Create a solution in CPP for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
const int inf = INT_MAX;
template <typename T>
void read(T &x) {
x = 0;
int f = 1;
char c = getchar();
for (; !isdigit(c); c = getchar())
if (c == '-') f = -1;
for (; isdigit(c); c = getchar()) x = x * 10 + c - '0';
x *= f;
}
struct e... | ### Prompt
Develop a solution in cpp to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
template <typename T>
void read(T &x) {
x = 0;
char ch = getchar();
long long f = 1;
while (!isdigit(ch)) {
if (ch == '-') f *= -1;
ch = getchar();
}
while (isdigit(ch)) {
x = x * 10 + ch - 48;
ch = getchar();
}
x *= f;
}
template <typename T... | ### Prompt
Please create a solution in Cpp to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
const long long mod = 1e9 + 7;
const double PI = 3.14159265359;
const long long MOD = 998244353;
void i_o() {}
int n, m;
vector<int> p, h;
vector<vector<int>> adj;
bool ans = true;
pair<int, int> dfs(int v, int par = -1) {
int here = 0, g_n = 0;
for (auto j : adj[v]) {
... | ### Prompt
Your task is to create a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Cit... |
#include <bits/stdc++.h>
using namespace std;
int dx4[4] = {0, -1, 0, 1};
int dy4[4] = {1, 0, -1, 0};
int dx8[8] = {-1, -1, -1, 0, 1, 1, 1, 0};
int dy8[8] = {-1, 0, 1, 1, 1, 0, -1, -1};
int Power(int base, int exp) {
int ans = 1;
while (exp > 0) {
if (exp & 1) ans = (1LL * ans * base) % 1000000007;
exp = ex... | ### Prompt
Create a solution in Cpp for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
vector<vector<int>> adj;
int *p;
int *h;
int *g;
int *a;
bool access = true;
void dfs(int s, int ancestor = -1) {
a[s] = p[s];
int s_g = 0;
for (auto to : adj[s]) {
if (ancestor == to) continue;
dfs(to, s);
s_g += g[to];
a[s] += a[to];
}
int good =... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
const int Max = 1e5 + 10;
bool seen[Max];
int H[Max];
int P[Max];
int G[Max];
int C[Max];
vector<int> N[Max];
bool DFS(int v) {
seen[v] = true;
bool ans = true;
C[v] = P[v];
for (auto u : N[v]) {
if (!seen[u]) {
ans &= DFS(u);
C[v] += C[u];
G[v... | ### Prompt
Construct a cpp code solution to the problem outlined:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of ... |
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
const long double pi = acos(-1.0);
const int_fast32_t mod = 1e9 + 7;
struct pr {
int_fast32_t x;
int_fast32_t y;
int_fast32_t dst;
pr() {}
pr(int_fast32_t x, int_fast32_t y, int_fast32_t dst) : x(x... | ### Prompt
Please formulate a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
const double pi = 3.141592653589793;
template <class T>
using V = vector<T>;
using Graph = vector<vector<int>>;
using P = pair<long long, long long>;
template <class T>
inline bool chmin(T& a, T b) {
if (a > b) {
a = b;
return true;
... | ### Prompt
Develop a solution in Cpp to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
long long M = 1e9 + 7, N = 205001;
long long mm(long long x, long long y) {
x %= M, y %= M;
return (x * y) % M;
}
long long po(long long x, long long y) {
if (!y) return 1;
long long a = po(x, y / 2) % M;
if (y % 2) return mm(a, mm(a, x));
return mm(a, a);
}
voi... | ### Prompt
Generate a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any c... |
#include <bits/stdc++.h>
using namespace std;
int n, m;
vector<int> p, h, st;
vector<vector<int>> adj;
int gst(int curr, int prev) {
int res = p[curr];
for (int next : adj[curr]) {
if (next != prev) {
res += gst(next, curr);
}
}
return st[curr] = res;
}
int dfs(int curr, int prev, int& res) {
in... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
int n, m, p[(int)1e5], h[(int)1e5], g[(int)1e5], a[(int)1e5];
bool first = true;
void dfs(vector<int> city[], int v, int ancestor) {
a[v] = p[v];
int sumg = 0;
for (int i = 0; i < city[v].size(); i++) {
if (city[v][i] == ancestor) continue;
dfs(city, city[v][i... | ### Prompt
Your challenge is to write a Cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
vector<vector<int>> adj;
int *p;
int *h;
int *g;
bool access = true;
void dfs(int s, int ancestor = -1) {
if (!access) {
return;
}
int s_g = 0;
for (auto to : adj[s]) {
if (ancestor == to) continue;
dfs(to, s);
s_g += g[to];
p[s] += p[to];
}
... | ### Prompt
Generate a Cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any c... |
#include <bits/stdc++.h>
using namespace std;
bool not_possible = false;
long long int count_visitors(vector<vector<int>> &adj, vector<int> &p,
vector<long long> &visitor, int curr, int par) {
long long int a = 0;
for (auto x : adj[curr]) {
if (x != par) a += count_visitors(adj, p, ... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
int T;
cin >> T;
while (T--) {
int n, m;
cin >> n >> m;
vector<int> p(n), h(n);
vector<vector<int>> g(n);
for (int i = 0; i < n; ++i) cin >> p[i];
for (int i = 0; i < n; ++i) cin >> h[i... | ### Prompt
Create a solution in cpp for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
void DFS(long long n, long long p, long long d,
vector<pair<long long, long long>> &D, vector<long long> &Pa,
vector<vector<long long>> &G) {
for (long long nn : G[n]) {
if (nn == p) continue;
D.emplace_back(d + 1, nn);
Pa[nn] = n;
DFS(nn... | ### Prompt
Develop a solution in cpp to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using uint = unsigned int;
using ull = unsigned long long;
using ii = pair<int, int>;
using pli = pair<ll, int>;
using vi = vector<int>;
using vll = vector<ll>;
using pll = pair<ll, ll>;
using pil = pair<int, ll>;
using vvi = ve... | ### Prompt
Create a solution in CPP for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5;
vector<int> adj[N];
int p[N];
int h[N];
int good[N];
int bad[N];
bool bb;
void dfs(int x, int par) {
int g = 0, b = 0;
for (auto nx : adj[x]) {
if (nx == par) continue;
dfs(nx, x);
g += good[nx];
b += bad[nx];
}
int cnt = b + g... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
std::vector<int> g[7 << 14];
int p[7 << 14], h[7 << 14], n, i, j;
void f(int u, int x) {
int s = 0;
for (int v : g[u])
if (v ^ x) f(v, u), p[u] += p[v], s += h[v];
j = h[u] += p[u];
i &= ~j & (s <= j && j <= 2 * p[u]);
}
int main() {
for (scanf("%*d"); ~scanf("%d%*d", &n); i = j =... | ### Prompt
Generate a Cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any c... |
#include <bits/stdc++.h>
using namespace std;
const long long int mod = 1e9 + 7;
const int inf = 1e9;
const int N = 2e5;
long long int h[N + 1], p[N + 1];
vector<long long int> adj[N + 1];
bool vis[N + 1];
long long int sub[N + 1];
bool ok = true;
void dfs(long long int n) {
vis[n] = true;
sub[n] = p[n];
for (aut... | ### Prompt
Your challenge is to write a Cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e5 + 7;
int N, M;
bool ans;
int p[MAXN], h[MAXN], sz[MAXN], inf[MAXN], fel[MAXN];
vector<int> G[MAXN];
void sz_dfs(int node, int parent) {
sz[node] = p[node];
for (int u : G[node])
if (u != parent) {
sz_dfs(u, node);
sz[node] += sz[u];
... | ### Prompt
Please formulate a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
const long long maxn = 1e5 + 5;
int p[maxn];
int h[maxn];
vector<int> g[maxn];
int happy[maxn];
bool ans;
void dfs(int now, int fa) {
int sz = g[now].size();
int hp = 0;
for (int i = 0; i < sz; i++) {
int v = g[now][i];
if (v == fa) continue;
dfs(v, now);
... | ### Prompt
In CPP, your task is to solve the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of an... |
#include <bits/stdc++.h>
using namespace std;
const int INF = (int)1e9;
const int EPS = 1e-6;
const int mod = 1000000007;
const long double PI = 3.14159265359;
const int dx4[4] = {0, 1, 0, -1};
const int dy4[4] = {-1, 0, 1, 0};
const int dx8[8] = {-1, -1, -1, 0, 1, 1, 1, 0};
const int dy8[8] = {-1, 0, 1, 1, 1, 0, -1, -... | ### Prompt
Your task is to create a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Cit... |
#include <bits/stdc++.h>
using namespace std;
const long long int N = 1e5 + 5;
vector<long long int> adj[N];
bool poss = 1;
long long int p[N], h[N], tot[N], b[N], g[N];
void dfs(long long int z, long long int par) {
long long int badchild = 0;
tot[z] = p[z];
for (long long int x : adj[z]) {
if (x == par) con... | ### Prompt
Create a solution in cpp for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5;
int p[N] = {};
int h[N] = {};
int tot[N] = {};
int b[N] = {};
int g[N] = {};
vector<int> v[N];
int pass;
void dfs(int child, int par) {
int badchild = 0;
tot[child] = p[child];
for (auto x : v[child]) {
if (x == par) continue;
dfs(x, chi... | ### Prompt
Please create a solution in cpp to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
long long p[100001];
long long h[100001];
vector<int> v[100001];
long long score[100001];
bool f = true;
int dfs(int x, int pre) {
long long temp = p[x];
for (auto y : v[x]) {
if (y == pre) continue;
temp += dfs(y, x);
}
score[x] = temp;
return temp;
}
int... | ### Prompt
Please create a solution in Cpp to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
namespace IO {
char ch = '\n';
template <class T>
inline T ReadInt() {
T x(0);
bool f(1);
while (ch < '0' || '9' < ch) {
if (ch == '-') {
f = 0;
}
ch = getchar();
}
while ('0' <= ch && ch <= '9') {
x = (x << 1) + (x << 3) + (ch ^ 48);
ch = getchar();
}
re... | ### Prompt
Create a solution in Cpp for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
long long gcd(long long a, long long b) {
if (b == 0) return a;
return gcd(b, a % b);
}
long long fpow(long long a, long long b, long long M) {
a %= M;
long long res = 1;
while (b > 0) {
if (b & 1) {
res = res * a % M;
}
a = a * a % M;
b >>= ... | ### Prompt
Develop a solution in CPP to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 5;
int p[maxn], h[maxn], cnt[maxn];
struct Edge {
int next, v;
} edge[maxn * 2];
int head[maxn], ecnt, flag;
void init(int n) {
memset(head, -1, sizeof(head[0]) * (n + 5));
ecnt = 0;
flag = false;
}
void addedge(int u, int v) {
edge[ecnt] = ... | ### Prompt
Construct a CPP code solution to the problem outlined:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of ... |
#include <bits/stdc++.h>
using namespace std;
vector<int> E[200005], vis;
long long n, m, p[200005], h[200005];
long long good[200005], bad[200005];
bool is_good(int u, int pi) {
if (E[u].size() == 1 && u != 0) {
if (abs(h[u]) > p[u]) return false;
if ((p[u] - h[u]) % 2 == 1) return false;
if ((h[u] + p[u... | ### Prompt
Generate a Cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any c... |
#include <bits/stdc++.h>
using namespace std;
const long long maxn = 1e5 + 5;
long long p[maxn];
long long h[maxn];
vector<long long> g[maxn];
long long happy[maxn];
bool ans;
void dfs(long long now, long long fa) {
long long sz = g[now].size();
long long hp = 0;
for (long long i = 0; i < sz; i++) {
long long... | ### Prompt
Please formulate a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
#include <bits/stdc++.h>
using namespace std;
long long int binpow(long long int a, long long int b) {
long long int res = 1;
while (b > 0) {
if (b & 1) {
res *= a;
}
a *= a;
b >>= 1;
}
return res;
}
long long int fermat_inv(long long int y) { return binpow(y, 1000000007 - 2); }
vector<lon... | ### Prompt
Your task is to create a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Cit... |
#include <bits/stdc++.h>
using namespace std;
int p[100005] = {0};
int h[100005] = {0};
int happ[100005] = {0};
int unhap[100005] = {0};
vector<int> G[100005];
int m;
void dfs(int u, int fa) {
for (auto v : G[u]) {
if (v == fa) continue;
dfs(v, u);
p[u] += p[v];
}
}
int dfs2(int u, int fa) {
int ans =... | ### Prompt
Generate a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any c... |
#include <bits/stdc++.h>
using ll = long long;
using namespace std;
template <class T>
struct Edge {
int src, dest;
T cost;
explicit Edge(int src, int dest, T cost) : src(src), dest(dest), cost(cost) {}
bool operator<(const Edge<T> &other) const { return cost < other.cost; }
};
template <class T>
using Graph = ... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
using namespace std;
int ans;
vector<int> v(200004), h(200004);
vector<vector<int> > g(200004);
int cnt = 0;
pair<int, int> dfs(int u, int pret) {
int s = v[u];
int ss = 0;
for (int x : g[u]) {
if (x == pret) continue;
auto w = dfs(x, u);
s += w.first;
... | ### Prompt
Your task is to create a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Cit... |
#include <bits/stdc++.h>
using namespace std;
int flag = 1;
void solve(vector<vector<int>> &p, vector<bool> &vis, vector<long long int> &dp,
int i) {
vis[i] = true;
for (int j = 0; j < p[i].size(); j++) {
if (vis[p[i][j]] == false) {
solve(p, vis, dp, p[i][j]);
dp[i] = dp[i] + dp[p[i][j]]... | ### Prompt
Please provide a cpp coded solution to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
int chh;
const int N = 100005;
int T, n, m;
int p[N], h[N], a[N], b[N];
vector<int> g[N];
bool dfs(int x, int fa) {
int v, c, d;
a[x] = 0, b[x] = 0;
for (__typeof__((g[x]).begin()) it = (g[x]).begin(); it != (g[x]).end();
it++) {
v = *it;
if (v == fa) c... | ### Prompt
Your challenge is to write a Cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
long long int min(long long int a, long long int b) { return a < b ? a : b; }
long long int min(long long int a, long long int b, long long int c) {
a = min(a, b);
a = min(a, c);
return a;
}
long long int max(long long int a, long long int b) { return a > b ? a : b; }... | ### Prompt
Please provide a CPP coded solution to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
void __print(int x) { cerr << x; }
void __print(long x) { cerr << x; }
void __print(long long x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned long x) { cerr << x; }
void __print(unsigned long long x) { cerr << x; }
void __print(float x) { cer... | ### Prompt
In CPP, your task is to solve the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of an... |
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
using namespace std;
long long *sz;
long long *p;
long long *h;
vector<long long> *gr;
long long get_bad(long long v) { return (sz[v] - h[v]) / 2; }
bool dfs(long long v) {
sz[v] = p[v];
long long sb = 0;
for (long long g : g... | ### Prompt
Generate a Cpp solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any c... |
#include <bits/stdc++.h>
const long long maxn = 1e6 + 10;
using namespace std;
void in(long long &x) {
long long y = 1;
char c = getchar();
x = 0;
while (c < '0' || c > '9') {
if (c == '-') y = -1;
c = getchar();
}
while (c <= '9' && c >= '0') {
x = (x << 1) + (x << 3) + c - '0';
c = getchar... | ### Prompt
Create a solution in Cpp for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 7;
vector<int> G[maxn];
long long p[maxn], b[maxn];
long long siz[maxn];
long long f1[maxn], f2[maxn];
bool dfs(int x, int fa) {
siz[x] = p[x];
for (int i = 0; i < G[x].size(); i++) {
int v = G[x][i];
if (v == fa) continue;
if (!dfs(v,... | ### Prompt
Create a solution in Cpp for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 7;
long long p[N], h[N], a[N], g[N];
vector<int> gr[N];
bool flag = true;
void dfs(int v, int ancestor) {
a[v] = p[v];
int sum_g = 0;
for (int i : gr[v]) {
if (i == ancestor) continue;
dfs(i, v);
sum_g += g[i];
a[v] += a[i];
}
i... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
struct asd {
signed long long int bad;
signed long long int citizen;
signed long long int happy;
} city[200001];
std::vector<signed long long int> ct[200001];
signed long long int n, m;
signed long long int flag = 0;
void dfs(signed long long int u, signed long long i... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
using LL = long long;
constexpr int maxn = 100000 + 1;
LL h[maxn], p[maxn], up[maxn], sz[maxn];
int par[maxn];
vector<int> G[maxn], order;
void DFS(int u) {
sz[u] = p[u];
for (int v : G[u])
if (v != par[u]) {
par[v] = u;
DFS(v);
sz[u] += sz[v];
... | ### Prompt
Construct a CPP code solution to the problem outlined:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of ... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 100005;
int n, m;
int ans;
int h[maxn], p[maxn], sum[maxn];
int head[maxn], nxt[maxn << 1], tail[maxn << 1], ecnt;
void addedge(int u, int v) {
nxt[++ecnt] = head[u];
head[u] = ecnt;
tail[ecnt] = v;
}
void dfs1(int u, int fa) {
sum[u] = p[u];
for ... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
long long n, m;
long long p[100000];
long long h[100000];
long long sadmax[100000];
long long narod[100000];
bool dfs(long long v, long long p1, vector<vector<long long> >& g) {
long long sadall = 0;
narod[v] = p[v];
for (long long i = 0; i < g[v].size(); i++) {
l... | ### Prompt
In cpp, your task is to solve the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of an... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 7;
int p[N], h[N], g[N], a[N];
vector<int> adj[N];
bool works;
void dfs(int v, int par = -1) {
a[v] = p[v];
int sum_g = 0;
for (int to : adj[v]) {
if (to == par) continue;
dfs(to, v);
sum_g += g[to];
a[v] += a[to];
}
if ((a[v] +... | ### Prompt
Create a solution in Cpp for the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of any... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5;
long long p[N], h[N], happy[N], cnt[N];
bool ans = true;
void dfs(vector<int>* tree, int curr, int par) {
long long happy_below = 0;
long long countNodes = 0;
for (int child : tree[curr]) {
if (child == par) continue;
dfs(tree, child, cu... | ### Prompt
Construct a CPP code solution to the problem outlined:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of ... |
#include <bits/stdc++.h>
using namespace std;
long long int max(long long int a, long long int b) {
if (a > b) {
return a;
}
return b;
}
long long int gcd(long long int a, long long int b) {
if (a == 0) {
return b;
}
return gcd(b % a, a);
}
long long int min(long long int a, long long int b) {
if ... | ### Prompt
Construct a cpp code solution to the problem outlined:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens of ... |
#include <bits/stdc++.h>
using namespace std;
vector<vector<int>> v(100005);
long long people[100005], happy[100005], sub[100005], good[100005], par[100005];
long long dfs(int u, int p) {
par[u] = p;
long long sum = people[u];
for (auto it : v[u]) {
if (it != p) {
sum += dfs(it, u);
}
}
sub[u] =... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities.... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5, M = 2e4 + 5, inf = 0x3f3f3f3f, mod = 1e9 + 7;
int n, t, m, h[N], p[N], a[N], g[N];
bool ok;
vector<int> e[N];
void dfs(int u, int fa) {
a[u] = p[u];
int sum = 0;
for (auto v : e[u]) {
if (v == fa) continue;
dfs(v, u);
sum += g[v];
... | ### Prompt
Please create a solution in CPP to the following problem:
Uncle Bogdan is in captain Flint's crew for a long time and sometimes gets nostalgic for his homeland. Today he told you how his country introduced a happiness index.
There are n cities and n−1 undirected roads connecting pairs of cities. Citizens ... |
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