output stringlengths 52 181k | instruction stringlengths 296 182k |
|---|---|
#include <bits/stdc++.h>
using namespace std;
const double PI = 2 * acos(0.0);
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng_64(chrono::steady_clock::now().time_since_epoch().count());
const string DIGITS = "0123456789";
const string ALPH = "abcdefghijklmnopqrstuvwxyz";
template <c... | ### Prompt
Generate a cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such qu... |
#include <bits/stdc++.h>
using namespace std;
const long long inf = (long long)1e18;
const long long mod = (long long)1e9 + 7;
const int N = 200500;
const int bl = 2000;
vector<int> g[N];
map<pair<int, int>, bool> ok, bad;
int n, q, last, timer, p[N], h[N], u[N], x[N], y[N], tp[N];
int get(int v) { return p[v] = (v == ... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before... |
#include <bits/stdc++.h>
using namespace std;
const int SQRTN = 450;
const int MAXN = SQRTN * SQRTN;
int T[MAXN], X[MAXN], Y[MAXN];
int uni[MAXN];
vector<int> ed[MAXN];
int chk[MAXN];
int guni(int x) { return x == uni[x] ? x : uni[x] = guni(uni[x]); }
void unite(int x, int y) { uni[guni(x)] = guni(y); }
void dfs(int x,... | ### Prompt
Please formulate a cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
int N, Q, last;
int T[202020], X[202020], Y[202020];
template <int um>
class UF_pop {
public:
vector<int> par, rank;
vector<vector<int>> hist;
UF_pop() {
par = rank = vector<int>(um, 0);
for (int i = 0; i < um; i++) par[i] = i;
}
void reinit() {
int i... | ### Prompt
Your task is to create a Cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the... |
#include <bits/stdc++.h>
using namespace std;
inline int gi() {
char c = getchar();
int x = 0;
for (; c < '0' || c > '9'; c = getchar())
;
for (; c >= '0' && c <= '9'; c = getchar()) x = (x << 1) + (x << 3) + c - '0';
return x;
}
const int N = 4e5 + 5;
struct query {
int op, x0, y0, x1, y1;
bool vis[2... | ### Prompt
Create a solution in CPP for the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such ... |
#include <bits/stdc++.h>
#pragma GCC optimize("O2")
#pragma GCC optimize("unroll-loops")
using namespace std;
const long double eps = 1e-7;
const int inf = 1000000010;
const long long INF = 10000000000000010LL;
const int mod = 1000000007;
const int MAXN = 200010, LOG = 20;
struct DSU {
int par[MAXN];
int rank[MAXN]... | ### Prompt
Develop a solution in CPP to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
const long long inf = (long long)1e18;
const long long mod = (long long)1e9 + 7;
const int N = 200500;
const int bl = 5000;
vector<int> g[N];
map<pair<int, int>, bool> ok, bad;
int n, q, last, timer, p[N], h[N], u[N], x[N], y[N], tp[N];
int get(int v) { return p[v] = (v == ... | ### Prompt
Generate a CPP solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such qu... |
#include <bits/stdc++.h>
using namespace std;
namespace IO {
const int BUFFER_SIZE = 1 << 15;
char input_buffer[BUFFER_SIZE];
int input_pos = 0, input_len = 0;
char output_buffer[BUFFER_SIZE];
int output_pos = 0;
char number_buffer[100];
uint8_t lookup[100];
void _update_input_buffer() {
input_len = fread(input_buffe... | ### Prompt
Please create a solution in Cpp to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
const int N = 200005;
int n, Q;
struct Info {
int id, tp, x, y;
bool operator<(const Info &a) const {
if (x != a.x) return x < a.x;
if (y != a.y) return y < a.y;
return id < a.id;
}
} q[N * 2];
vector<int> vec[N * 4];
int Qx[N], Qy[N], Jud[N][2];
int Ex[N ... | ### Prompt
Develop a solution in Cpp to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
namespace _ {
bool rEOF = 1;
inline char nc() {
static char buf[100000], *p1 = buf, *p2 = buf;
return p1 == p2 && rEOF &&
(p2 = (p1 = buf) + fread(buf, 1, 100000, stdin), p1 == p2)
? (rEOF = 0, EOF)
: *p1++;
}
template <class _... | ### Prompt
Generate a Cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such qu... |
#include <bits/stdc++.h>
#pragma GCC optimize("O2")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("no-stack-protector,fast-math")
using namespace std;
const long double eps = 1e-7;
const int inf = 1000000010;
const long long INF = 10000000000000010LL;
const int mod = 1000000007;
const int MAXN = 200010, LOG... | ### Prompt
Please formulate a Cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
multiset<int> gd[300005];
int vis[300005];
bool dfs(int x, int y, int vi) {
if (x == y) {
return true;
}
vis[x] = vi;
for (int xx : gd[x]) {
if (vis[xx] != vi) {
if (dfs(xx, y, vi)) return true;
}
}
return false;
}
class DSU {
public:
int p[... | ### Prompt
Develop a solution in cpp to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng_64(chrono::steady_clock::now().time_since_epoch().count());
const double PI = 2 * acos(0.0);
const string DIGITS = "0123456789";
const string ALPH = "abcdefghijklmnopqrstuvwxyz";
istream &op... | ### Prompt
Develop a solution in cpp to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
const int sz = 2e5 + 10, bl = 1500;
vector<pair<int, int> > sv[sz];
vector<pair<pair<int, int>, int> > sv2[sz];
int main() {
int n, m, last = 0;
cin >> n >> m;
int sp[m][3];
set<int> se[n];
for (int a = 0; a < m; a++) {
for (int b = 0; b < 3; b++) scanf("%d", ... | ### Prompt
Your task is to create a Cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the... |
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng_64(chrono::steady_clock::now().time_since_epoch().count());
const double PI = 2 * acos(0.0);
const string DIGITS = "0123456789";
const string ALPH = "abcdefghijklmnopqrstuvwxyz";
istream &op... | ### Prompt
In CPP, your task is to solve the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such... |
#include <bits/stdc++.h>
using namespace std;
const int BS = 20;
struct upit {
int t, x, y;
} u[200005];
set<pair<int, int>> alive;
vector<pair<int, int>> g, c, f;
vector<vector<int>> e;
vector<unordered_multiset<int>> h;
int n, q;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullpt... | ### Prompt
Please create a solution in Cpp to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
const int inf = 1e9;
const long long inf64 = 1e18;
const int N = 2e5 + 5;
struct Query {
int t, x, y;
};
int n, m;
Query qs[N];
int color[N], used[N], cur_used = 10;
unordered_set<int> g[N];
unordered_multiset<int> h[N];
int qq[4 * N], ql, qr;
void read() {
cin >> n >> ... | ### Prompt
Create a solution in CPP for the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such ... |
#include <bits/stdc++.h>
using namespace std;
void debug_out() { cerr << '\n'; }
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
cerr << ' ' << H;
debug_out(T...);
}
const int INF = 1e9;
const long long MOD = 1e9 + 7;
const int N = 2e5 + 5;
int n, q, P[N], S[N], T[N], X[N][2], Y[N][2]... | ### Prompt
Please provide a CPP coded solution to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 262144;
const long long INF = 1e18;
const int sqrtConst = 500;
const int alphabet = 26;
const int mod = 998244353;
const long double pi = acos(-1);
int par[maxn];
int sz[maxn];
void make_set(int v) {
par[v] = v;
sz[v] = 0;
}
int find_set(int v) {
if (... | ### Prompt
Develop a solution in Cpp to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
const int SEED = chrono::steady_clock::now().time_since_epoch().count();
mt19937 rng(SEED);
struct state {
int u, v, ru, rv;
state(int u, int v, int ru, int rk) : u(u), v(v), ru(ru), rv(rv){};
};
struct DSU {
vector<int> uf, rk;
stack<state> UPD;
DSU(int n) : uf(n... | ### Prompt
Create a solution in Cpp for the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such ... |
#include <bits/stdc++.h>
using namespace std;
const int inf = 1e9;
const long long inf64 = 1e18;
const int N = 2e5 + 5;
struct Query {
int t, x, y;
};
int n, m;
Query qs[N];
int color[N], used[N], cur_used = 10;
unordered_set<int> g[N];
unordered_multiset<int> h[N];
int qq[4 * N], ql, qr;
void read() {
cin >> n >> ... | ### Prompt
Please formulate a cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
int read() {
register int x = 0;
register char f = 1, ch = getchar();
for (; !isdigit(ch); ch = getchar())
if (ch == '-') f ^= 1;
for (; isdigit(ch); ch = getchar()) x = (x << 1) + (x << 3) + (ch ^ '0');
return f ? x : -x;
}
int n, m, cnt, tot;
struct node {
int u, v, t, k;
bo... | ### Prompt
Create a solution in CPP for the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such ... |
#include <bits/stdc++.h>
using namespace std;
template <typename T>
inline int Chkmax(T &a, T b) {
return a < b ? a = b, 1 : 0;
}
template <typename T>
inline int Chkmin(T &a, T b) {
return a > b ? a = b, 1 : 0;
}
template <typename T>
inline T read() {
T sum = 0, fl = 1;
char ch = getchar();
for (; !isdigit(... | ### Prompt
Please formulate a cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
template <typename T>
inline int Chkmax(T &a, T b) {
return a < b ? a = b, 1 : 0;
}
template <typename T>
inline int Chkmin(T &a, T b) {
return a > b ? a = b, 1 : 0;
}
template <typename T>
inline T read() {
T sum = 0, fl = 1;
char ch = getchar();
for (; !isdigit(... | ### Prompt
Please create a solution in Cpp to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
#pragma GCC optimize(3)
using namespace std;
void read(int &x) {
x = 0;
int f = 1;
char ch = getchar();
for (; !isdigit(ch); ch = getchar())
if (ch == '-') f = -f;
for (; isdigit(ch); ch = getchar()) x = x * 10 + ch - '0';
x *= f;
}
void print(int x) {
if (x < 0) putchar('-'),... | ### Prompt
Please create a solution in cpp to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1e9 + 7;
template <typename T>
void chmin(T &a, T b) {
if (a > b) a = b;
}
template <typename T>
void chmax(T &a, T b) {
if (a < b) a = b;
}
template <typename T>
void add(T &a, T b) {
a += b;
if (a < 0) a += MOD;
if (a >= MOD) a -= MOD;
}
vo... | ### Prompt
Your task is to create a CPP solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the... |
#include <bits/stdc++.h>
clock_t t = clock();
namespace my_std {
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template <typename T>
inline T rnd(T l, T r) {
return uniform_int_distribution<T>(l, r)(rng);
}
template <typename T>
inline bool chkmax(T& x, T y) {
return x < ... | ### Prompt
Construct a cpp code solution to the problem outlined:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first su... |
#include <bits/stdc++.h>
long long int const MOD = 1000000007;
long long int const N = 1000005;
long long int const LN = 20;
long long int const inf = 8e18;
using namespace std;
long long int n, m, a[N];
struct query {
long long int tp, x, y;
long long int e0, e1;
};
long long int const Block = 400;
query q[N];
pai... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 3 * 100010;
const int maxm = 3 * 100010;
const int BUFF = 10 * 1010 * 1010;
const int block = 400;
int n, m;
int ans[maxm];
struct DSU {
int fa[maxn], rk[maxn];
int *where[BUFF], val[BUFF];
int tot;
void init() {
tot = 0;
for (int i = 0; i <... | ### Prompt
Construct a CPP code solution to the problem outlined:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first su... |
#include <bits/stdc++.h>
using namespace std;
const int B = 800;
int n, m;
int T[200001];
int X[200001];
int Y[200001];
vector<pair<int, int> > es;
int par[200001];
int find(int x) {
if (par[x]) return par[x] = find(par[x]);
return x;
}
bool merge(int x, int y) {
x = find(x);
y = find(y);
if (x == y) return 0... | ### Prompt
Please create a solution in CPP to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
template <typename A, typename B>
ostream& operator<<(ostream& os, const pair<A, B>& p) {
return os << '(' << p.first << ", " << p.second << ')';
}
template <typename T_container, typename T = typename enable_if<
!is_same<T_container, s... | ### Prompt
Please formulate a Cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
int lstans, fa[200005], top = 0, sz[200005], n, Q;
struct abc {
int op, x, y, bg[2], ed[2], csx;
} q[200005];
vector<pair<int, int> > g[200005 << 2];
map<pair<int, int>, int> mmp;
struct qwq {
int u, v;
} st[200005 * 20];
int find(int x) { return fa[x] == x ? x : find(f... | ### Prompt
In CPP, your task is to solve the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such... |
#include <bits/stdc++.h>
using namespace std;
const int nax = 1 << 18;
tuple<int, int, int> query[nax];
struct Join {
int last, x, y;
};
vector<Join> joins[nax * 2];
int par[nax], sz[nax];
int find(int p) {
if (p == par[p])
return p;
else
return find(par[p]);
}
struct Undo {
int a, b;
};
Undo join(int a... | ### Prompt
In CPP, your task is to solve the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such... |
#include <bits/stdc++.h>
using namespace std;
namespace io {
const int SIZE = (1 << 21) + 1;
char ibuf[SIZE], *iS, *iT, obuf[SIZE], *oS = obuf, *oT = oS + SIZE - 1, c,
qu[55];
inline int gi() {
int x;
for (c = (iS == iT ? (iT = (iS = ibuf) + fread(ibuf, 1, SIZE, stdin),
... | ### Prompt
Develop a solution in cpp to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 2e5 + 10;
const int maxm = 4e5 + 10;
int n, m, ans[maxn], lastans = 0;
map<int, int> exist[maxn];
struct operate {
int opt, x, y;
operate(int o = 0, int a = 0, int b = 0) {
opt = o;
x = a;
y = b;
}
} o[maxm], sta[maxm];
namespace dsu {
int... | ### Prompt
Please provide a CPP coded solution to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 2e5 + 10, SQ = 2000;
int t[maxn], A[maxn], B[maxn], n;
map<pair<int, int>, int> mp;
bool st[2 * maxn], gr[2 * maxn];
int who[maxn][2];
vector<int> v[maxn];
vector<pair<int, int> > ed;
int par[maxn];
int Find(int u) { return par[u] < 0 ? u : par[u] = Find(pa... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before... |
#include <bits/stdc++.h>
using namespace std;
inline long long read() {
long long x = 0, f = 1;
char c = getchar();
while ((c < '0' || c > '9') && (c != '-')) c = getchar();
if (c == '-') f = -1, c = getchar();
while (c >= '0' && c <= '9') x = x * 10 + c - '0', c = getchar();
return x * f;
}
const int N = 4... | ### Prompt
Your task is to create a cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the... |
#include <bits/stdc++.h>
using namespace std;
const int MXN = 2e5 + 10;
const int MXM = 4e5 + 10;
const int MXS = MXN * 4;
struct hash_pair {
template <class T1, class T2>
size_t operator()(const pair<T1, T2>& p) const {
auto hash1 = hash<T1>{}(p.first);
auto hash2 = hash<T2>{}(p.second);
return hash1 ^... | ### Prompt
Your task is to create a cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the... |
#include <bits/stdc++.h>
using namespace std;
int p[200005];
int n;
int last;
int find(int v) { return v == p[v] ? v : p[v] = find(p[v]); }
void merge(int v, int u) { p[find(v)] = find(u); }
multiset<int> adj[200005];
set<pair<int, int> > on;
set<pair<int, int> > inQ;
vector<pair<int, int> > adjlist, qq;
void update(in... | ### Prompt
Generate a CPP solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such qu... |
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng_64(chrono::steady_clock::now().time_since_epoch().count());
const double PI = 2 * acos(0.0);
const string DIGITS = "0123456789";
const string ALPH = "abcdefghijklmnopqrstuvwxyz";
istream &op... | ### Prompt
Develop a solution in CPP to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng_64(chrono::steady_clock::now().time_since_epoch().count());
const double PI = 2 * acos(0.0);
const string DIGITS = "0123456789";
const string ALPH = "abcdefghijklmnopqrstuvwxyz";
istream &op... | ### Prompt
Generate a CPP solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such qu... |
#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;
const int N = 2e5 + 10;
const int M = 444;
int a[N];
int b[N];
int typ[N];
int flag[N];
int root[N];
int tmp[N];
int q[N];
int qn;
inline int find_root(int u) {
if (u == root[u]) {
return u;
}
root[u] = find_root(root[u]);
return root... | ### Prompt
In cpp, your task is to solve the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such... |
#include <bits/stdc++.h>
#pragma GCC optimize("O2,unroll-loops")
using namespace std;
const int MAXN = 200010;
int par[MAXN], R[MAXN];
stack<pair<int*, int>> stk;
int get(int x) {
while (par[x] != x) x = par[x];
return x;
}
int join(pair<int, int> p) {
int x = get(p.first);
int y = get(p.second);
if (x == y) ... | ### Prompt
Construct a CPP code solution to the problem outlined:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first su... |
#include <bits/stdc++.h>
class Interval {
int left, right;
public:
Interval(int l, int r) : left(l), right(r) {}
bool IsIncludedIn(const Interval &other) const {
return (other.left <= left && right <= other.right);
}
bool IsDisjointFrom(const Interval &other) const {
return (other.right <= left || r... | ### Prompt
Generate a CPP solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such qu... |
#include <bits/stdc++.h>
using namespace std;
int f[200005];
int Size[200005];
int Find(int first) {
if (f[first] == first) return first;
return Find(f[first]);
}
vector<int> stk;
vector<pair<int, int> > edge;
void merge(int first, int second) {
edge.push_back(make_pair(first, second));
int fx = Find(first), fy... | ### Prompt
Your task is to create a Cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the... |
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
int n, m;
const int p = 400;
const int prime = 200003;
pair<int, pair<int, int> > query[200010];
struct pair_hash {
inline std::size_t operator()(const std::pair<int, int>& v) const {
return v.first * prime + v.second;
}
};
unordered_se... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before... |
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 200005;
const int B = 500;
template <int MAXN>
struct dsu_t {
int fa[MAXN + 1];
void clear() { memset(fa, 0, sizeof fa); }
int find(int x) { return fa[x] ? fa[x] = find(fa[x]) : x; }
void link(int u, int v) {
u = find(u), v = find(v);
if (u ... | ### Prompt
Construct a CPP code solution to the problem outlined:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first su... |
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng_64(chrono::steady_clock::now().time_since_epoch().count());
const double PI = 2 * acos(0.0);
const string DIGITS = "0123456789";
const string ALPH = "abcdefghijklmnopqrstuvwxyz";
istream &op... | ### Prompt
Generate a CPP solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such qu... |
#include <bits/stdc++.h>
using namespace std;
const int INF = 0x3f3f3f3f;
const long long INFF = 0x3f3f3f3f3f3f3f3fll;
const long long M = 998244353;
const long long maxn = 2e5 + 107;
const double pi = acos(-1.0);
const double eps = 0.0000000001;
long long gcd(long long a, long long b) { return b ? gcd(b, a % b) : a; }... | ### Prompt
Generate a CPP solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such qu... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5, SQ = 2222;
unordered_map<int, int> ed[N];
set<pair<int, int>> edge, bad;
int n, m, k, last, par[N];
struct Query {
int t, u, v;
} qu[SQ];
bool mark[N];
queue<int> q;
int get_par(int u) { return ~par[u] ? par[u] = get_par(par[u]) : u; }
inline void m... | ### Prompt
In cpp, your task is to solve the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such... |
#include <bits/stdc++.h>
using namespace std;
const int BUCKET = 1000;
const int SQRTN = 450;
const int MAXN = SQRTN * SQRTN;
int T[MAXN], X[MAXN], Y[MAXN];
int uni[MAXN];
vector<int> ed[MAXN];
int chk[MAXN];
int guni(int x) { return x == uni[x] ? x : uni[x] = guni(uni[x]); }
void unite(int x, int y) { uni[guni(x)] = g... | ### Prompt
In CPP, your task is to solve the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such... |
#include <bits/stdc++.h>
using namespace std;
typedef unsigned long long ull;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng_64(chrono::steady_clock::now().time_since_epoch().count());
const double PI = 2 * acos(0.0);
const string DIGITS = "0123456789";
const string ALPH = "abcdefgh... | ### Prompt
In Cpp, your task is to solve the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such... |
#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1e9 + 7;
template <typename T>
void chmin(T &a, T b) {
if (a > b) a = b;
}
template <typename T>
void chmax(T &a, T b) {
if (a < b) a = b;
}
template <typename T>
void add(T &a, T b) {
a += b;
if (a < 0) a += MOD;
if (a >= MOD) a -= MOD;
}
vo... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before... |
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng_64(chrono::steady_clock::now().time_since_epoch().count());
const double PI = 2 * acos(0.0);
const string DIGITS = "0123456789";
const string ALPH = "abcdefghijklmnopqrstuvwxyz";
istream &op... | ### Prompt
Please provide a cpp coded solution to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before... |
#include <bits/stdc++.h>
using namespace std;
int n, m, cnt, ans, tot;
unordered_map<long long, int> id;
int op[400010], d[400010], fa[400010], rk[400010], lg[400010], hs[400010];
struct node {
int u, v;
long long h;
void bb() {
if (u > v) swap(u, v);
h = (long long)u << 30 | v;
}
} e[400010], g[400010]... | ### Prompt
In Cpp, your task is to solve the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such... |
#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1e9 + 7;
template <typename T>
void chmin(T &a, T b) {
if (a > b) a = b;
}
template <typename T>
void chmax(T &a, T b) {
if (a < b) a = b;
}
template <typename T>
void add(T &a, T b) {
a += b;
if (a < 0) a += MOD;
if (a >= MOD) a -= MOD;
}
vo... | ### Prompt
Create a solution in Cpp for the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such ... |
#include <bits/stdc++.h>
using namespace std;
template <class T>
void dbs(string str, T t) {
cerr << str << " : " << t << "\n";
}
template <class T, class... S>
void dbs(string str, T t, S... s) {
long long idx = str.find(',');
cerr << str.substr(0, idx) << " : " << t << ", ";
dbs(str.substr(idx + 1), s...);
}
... | ### Prompt
Please formulate a cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
const int B = 1000;
int n, m;
int T[200001];
int X[200001];
int Y[200001];
vector<pair<int, int> > es;
int par[200001];
int find(int x) {
if (par[x]) return par[x] = find(par[x]);
return x;
}
bool merge(int x, int y) {
x = find(x);
y = find(y);
if (x == y) return ... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 2e5 + 5;
int n, m;
int size;
int last = 0;
struct op {
int o;
int x, y;
};
op opt[maxn];
string ans;
unordered_map<long long, bool> s;
unordered_map<long long, int> se;
vector<pair<int, int> > vec, vecb;
vector<int> e[maxn];
int vis[maxn];
struct unions... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before... |
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
int n, m;
const int p = 400;
const int prime = 200003;
pair<int, pair<int, int> > query[200010];
struct pair_hash {
inline std::size_t operator()(const std::pair<int, int>& v) const {
return v.first * prime + v.second;
}
};
unordered_se... | ### Prompt
In cpp, your task is to solve the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such... |
#include <bits/stdc++.h>
using namespace std;
const int BUF = 10 * 1000 * 1000 + 13;
const int N = 300 * 1000 + 13;
const int M = 300 * 1000 + 13;
const int P = 400;
struct query {
int t, x, y;
int e0, e1;
};
int n, m;
query q[M];
int p[N], rk[N];
int cnt;
int *where[BUF];
int val[BUF];
void rollback() {
while (c... | ### Prompt
Your task is to create a CPP solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the... |
#include <bits/stdc++.h>
using namespace std;
multiset<int> gd[300005];
int vis[300005];
bool dfs(int x, int y, int vi) {
if (x == y) {
return true;
}
vis[x] = vi;
for (int xx : gd[x]) {
if (vis[xx] != vi) {
if (dfs(xx, y, vi)) return true;
}
}
return false;
}
class DSU {
public:
int p[... | ### Prompt
Construct a Cpp code solution to the problem outlined:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first su... |
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng_64(chrono::steady_clock::now().time_since_epoch().count());
const double PI = 2 * acos(0.0);
const string DIGITS = "0123456789";
const string ALPH = "abcdefghijklmnopqrstuvwxyz";
istream &op... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
int R[N], nxt[2][N], second[N], type[N], P[N], U[N], V[N], n, q, lst;
vector<pair<int, int> > seg[N << 2];
vector<pair<int, int> > history;
map<pair<int, int>, pair<int, int> > mp;
map<pair<int, int>, int> mark;
int Find(int v) { return !P[v] ? v : F... | ### Prompt
Develop a solution in cpp to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
#pragma GCC optimize("O2,unroll-loops")
using namespace std;
const int MAXN = 200010;
struct DSU {
int par[MAXN], rank[MAXN];
stack<pair<int*, int>> stk;
DSU() {
for (int i = 1; i < MAXN; i++) par[i] = i;
}
int get(int x) {
if (par[x] == x) return x;
return get(par[x]);
... | ### Prompt
Please provide a CPP coded solution to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before... |
#include <bits/stdc++.h>
using namespace std;
template <typename T>
inline void read(T &x) {
T f = 1;
x = 0;
char ch = getchar();
while (0 == isdigit(ch)) {
if (ch == '-') f = -1;
ch = getchar();
}
while (0 != isdigit(ch)) x = (x << 1) + (x << 3) + ch - '0', ch = getchar();
x *= f;
}
template <typ... | ### Prompt
Generate a Cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such qu... |
#include <bits/stdc++.h>
using namespace std;
const int nmax = 2e5 + 42;
int n, q;
int SZ[nmax], parent[nmax];
int root(int node) {
while (node != parent[node]) node = parent[node];
return node;
}
pair<int, int> input[nmax][2];
int type[nmax];
pair<int, int> check(pair<int, int> ret) {
if (ret.first > ret.second)... | ### Prompt
Develop a solution in cpp to the problem described below:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5;
int t[N], x[N], y[N], par[N], sz[N], pnt[N << 1], E[N << 1][2], n, m, last, ne;
bool mark[N << 1];
vector<int> pos[N << 1], seg[N << 2];
vector<pair<int, int> > ST;
map<pair<int, int>, int> mp;
pair<int, int> mpr(int i, int j) {
if (i > j) swap(i, j... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before... |
#include <bits/stdc++.h>
using namespace std;
const int K = 700;
const int N = 200010;
int n, m, opt[N], x[N], y[N], last;
set<pair<int, int>> S, s;
vector<int> G[N], g[N];
bool in[N];
int belong[N];
pair<int, int> tmp[(K << 1) + 10];
int qu[N];
void rebuild(int st) {
for (int i = 1; i <= n; i++) G[i].clear();
s.cl... | ### Prompt
Please formulate a cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first... |
#include <bits/stdc++.h>
struct dsu {
std::vector<int> p, sz;
dsu(int n) {
for (int i = 0; i < n; ++i) {
p.push_back(i), sz.push_back(1);
}
}
int find(int x) { return x == p[x] ? x : p[x] = find(p[x]); }
void unite(int a, int b) {
a = find(a), b = find(b);
if (a == b) return;
if (sz[... | ### Prompt
Generate a cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such qu... |
#include <bits/stdc++.h>
using namespace std;
const int P = 200, N = 4e5 + 5;
string ans;
struct Q {
int t, x, y;
};
bool inGameE[N], inGameV[N];
vector<pair<int, int>> edges;
int n, m, last = 0;
int w[N], mem[N], isOn[N];
int findSet(int v) { return w[v] < 0 ? v : findSet(w[v]); }
vector<pair<int, int>> hist;
void c... | ### Prompt
In CPP, your task is to solve the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such... |
#include <bits/stdc++.h>
using namespace std;
const int msk = (1 << 20) - 1;
bool debug = false;
vector<int> vt;
vector<long long> s;
int rep[210000], fa[210000];
int cnt[410000], con[410000];
int hea[210000], nex[410000], vv[410000], uu[410000];
char ret[210000];
int fin(int u) {
if (debug) {
printf("%s\n", __fu... | ### Prompt
Create a solution in CPP for the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such ... |
#include <bits/stdc++.h>
using namespace std;
const int inf = 1e9 + 7;
const int mod = 1e9 + 7;
const int maxn = 2e5 + 7;
const int fk = 2777;
int ans[maxn];
set<pair<int, int> > pre, maybe, canbe;
inline void add(set<pair<int, int> > &S, pair<int, int> x) {
if (S.find(x) == S.end())
S.insert(x);
else
S.era... | ### Prompt
Create a solution in Cpp for the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the first such ... |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5;
vector<pair<int, int> > vec[N * 4];
int fa[N], siz[N];
int finds(int x) { return x == fa[x] ? fa[x] : finds(fa[x]); }
void add(int x, int y, stack<pair<int, int> >& s) {
int fax = finds(x), fay = finds(y);
if (fax == fay) return;
if (siz[fax] < ... | ### Prompt
Your task is to create a cpp solution to the following problem:
You are given an undirected graph with n vertices numbered from 1 to n. Initially there are no edges.
You are asked to perform some queries on the graph. Let last be the answer to the latest query of the second type, it is set to 0 before the... |
#include <bits/stdc++.h>
using namespace std;
const long long N = 1e6 + 5;
long long n, top, k, a[N], f[N][2], head[N];
struct node {
long long too, Next, zh;
} edge[N * 2];
void add(long long a, long long b, long long c) {
edge[++top].too = b;
edge[top].zh = c;
edge[top].Next = head[a];
head[a] = top;
}
inli... | ### Prompt
In Cpp, your task is to solve the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k colors t... |
#include <bits/stdc++.h>
using namespace std;
template <class t>
inline t read(t &x) {
x = 0;
char c = getchar();
bool f = 0;
while (!isdigit(c)) f |= c == '-', c = getchar();
while (isdigit(c)) x = (x << 1) + (x << 3) + (c ^ 48), c = getchar();
if (f) x = -x;
return x;
}
template <class t>
inline void wr... | ### Prompt
Please create a solution in Cpp to the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k col... |
#include <bits/stdc++.h>
using namespace std;
const int nax = 5 * 1e5 + 10;
int n, k;
vector<pair<int, int>> tree[nax];
long long dp[nax][3];
long long dfs(int u, int f, int p) {
long long& cur = dp[u][f];
if (cur != -1) return cur;
cur = 0ll;
vector<long long> val;
for (auto& i : tree[u]) {
int v = i.fir... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exa... |
#include <bits/stdc++.h>
using namespace std;
const int maxN = 5e5 + 7;
int n, k;
vector<pair<int, int> > Adj[maxN];
long long F[2][maxN];
void DFS(int u, int fa) {
F[0][u] = F[1][u] = 0;
vector<long long> V(0);
for (auto x : Adj[u]) {
int w = x.first;
int v = x.second;
if (v == fa) continue;
DFS(... | ### Prompt
Please formulate a cpp solution to the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k col... |
#include <bits/stdc++.h>
using namespace std;
const int MM = 5e5 + 5, MOD = 1e9 + 7;
int T, N, K;
vector<pair<int, int>> adj[MM];
pair<long long, long long> dfs(int u, int pa = 1) {
pair<long long, long long> ret = {0, 0};
vector<long long> itm;
for (pair<int, int> e : adj[u]) {
int v = e.first, w = e.second;... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exa... |
#include <bits/stdc++.h>
using namespace std;
const long long N = 500010;
long long n, k;
long long dp[N][2];
vector<pair<long long, long long>> g[N];
void dfs(long long v, long long p) {
vector<pair<long long, long long>> s;
for (auto [w, u] : g[v]) {
if (u != p) {
dfs(u, v);
s.emplace_back(dp[u][1... | ### Prompt
Generate a Cpp solution to the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k colors to e... |
#include <bits/stdc++.h>
using namespace std;
const int MAX_N = 500000;
int nTest;
int n;
int k;
int a[MAX_N * 2 + 9];
int b[MAX_N * 2 + 9];
int c[MAX_N * 2 + 9];
vector<int> adj[MAX_N + 9];
bool used[MAX_N + 9];
long long f[MAX_N + 9];
long long g[MAX_N + 9];
vector<long long> v;
void Dfs(int x) {
used[x] = true;
... | ### Prompt
Generate a CPP solution to the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k colors to e... |
#include <bits/stdc++.h>
using namespace std;
vector<pair<long long int, long long int> > v[500005];
long long int n, k;
pair<long long int, long long int> dfs(long long int x, long long int par) {
pair<long long int, long long int> res, tmp;
vector<pair<long long int, pair<long long int, long long int> > > vc;
f... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exa... |
#include <bits/stdc++.h>
using namespace std;
long long q, n, k;
long long dp[500008][2];
long long first[500008], nxt[500008 * 2], last[500008], to[500008 * 2],
val[500008 * 2], cnt = 0;
void addedge(long long a, long long b, long long w) {
if (!first[a])
first[a] = ++cnt;
else
nxt[last[a]] = ++cnt;
... | ### Prompt
Generate a cpp solution to the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k colors to e... |
#include <bits/stdc++.h>
using namespace std;
const int N = 5e5 + 5;
int n, k;
vector<pair<int, long long>> adj[N];
long long dp[2][N];
void dfs(int u, int p = -1) {
vector<long long> vec;
long long res = 0;
for (auto v : adj[u])
if (v.first != p) {
dfs(v.first, u);
res += dp[0][v.first];
ve... | ### Prompt
Please provide a cpp coded solution to the problem described below:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exa... |
#include <bits/stdc++.h>
using namespace std;
mt19937 gen(chrono::system_clock::now().time_since_epoch().count());
const int N = 5e5 + 10;
const long long MOD = 1e9 + 7;
const int rx[4] = {-1, 0, 1, 0};
const int ry[4] = {0, 1, 0, -1};
const int dx[8] = {-1, -1, -1, 0, 1, 1, 1, 0};
const int dy[8] = {-1, 0, 1, 1, 1, 0,... | ### Prompt
In CPP, your task is to solve the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k colors t... |
#include <bits/stdc++.h>
using namespace std;
namespace io {
const int SIZE = (1 << 21) + 1;
char ibuf[SIZE], *iS, *iT, obuf[SIZE], *oS = obuf, *oT = oS + SIZE - 1, c,
qu[55];
int f, qr;
inline void flush() {
fwrite(obuf, 1, oS - obuf, stdout);
oS = obuf;
}
inline void putc(ch... | ### Prompt
In Cpp, your task is to solve the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k colors t... |
#include <bits/stdc++.h>
using namespace std;
const int N = 5e5 + 5;
long long t, n, k, u, v, w;
long long dp[N][2];
vector<pair<long long, long long> > adj[N];
bool cmp(long long a, long long b) { return a > b; }
void dfs(int u, int p) {
vector<long long> edge;
dp[u][0] = dp[u][1] = 0;
for (auto e : adj[u]) {
... | ### Prompt
Your challenge is to write a Cpp solution to the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exa... |
#include <bits/stdc++.h>
#pragma GCC optimize(2)
#pragma GCC optimize(3)
#pragma GCC optimize("Ofast")
using namespace std;
struct edge {
int to, w, nxt;
} e[1000005];
int Q, n, k, et, head[500005], cnt;
char vis[500005];
long long dp[500005][2];
pair<int, int> v[500005];
inline void adde(int x, int y, int w) {
e[+... | ### Prompt
Develop a solution in cpp to the problem described below:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k col... |
#include <bits/stdc++.h>
using namespace std;
vector<long long> grafo[500005], peso[500005];
long long q, n, k, u, v, w, dp[500005][2];
void dfs(int nodo, int last) {
vector<long long> tmp;
long long sum = 0;
for (int i = 0; i < grafo[nodo].size(); i++) {
if (grafo[nodo][i] != last) {
dfs(grafo[nodo][i]... | ### Prompt
Create a solution in cpp for the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k colors to... |
#include <bits/stdc++.h>
using namespace std;
long long dp[500005][2];
int v[500005], u[500005], w[500005];
vector<int> adj[500005];
int k;
priority_queue<long long> pq[500005];
void dfs(int v, int p) {
dp[v][0] = dp[v][1] = 0;
for (int& x : adj[v]) {
int u = ::v[x] + ::u[x] - v;
if (u == p) continue;
d... | ### Prompt
Generate a cpp solution to the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k colors to e... |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
vector<vector<pii>> adj;
vector<array<ll, 2>> dp;
int n, k;
void dfs(int s, int p = -1) {
ll curr = 0;
vector<ll> add;
for (auto it : adj[s]) {
int to = it.first;
int w = it.second;
if (to == p) continue;
... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exa... |
#include <bits/stdc++.h>
using namespace std;
int in() {
int x;
scanf("%d", &x);
return x;
}
long long lin() {
long long x;
scanf("%lld", &x);
return x;
}
long long MOD = 998244353;
long long ans = 0;
vector<vector<pair<long long, long long>>> G;
long long dfs(int x, int p, int k) {
long long lost = 0;
... | ### Prompt
Create a solution in CPP for the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k colors to... |
#include <bits/stdc++.h>
using namespace std;
const int N = 500100;
vector<pair<int, int>> g[N];
vector<long long> diff[N];
long long dp[N][2];
long long n, k;
long long dfs(int u, int p, int mns) {
if (~dp[u][mns]) return dp[u][mns];
dp[u][0] = dp[u][1] = 0;
for (auto e : g[u])
if (e.first != p) dp[u][1] = (... | ### Prompt
Please formulate a cpp solution to the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k col... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 500500;
vector<pair<int, int> > to[maxn];
int n, k;
using pll = pair<long long, long long>;
pll solve(int u, int p) {
vector<pair<long long, pll> > now;
for (auto e : to[u]) {
if (e.first == p) continue;
pll son = solve(e.first, u);
now.push... | ### Prompt
Develop a solution in Cpp to the problem described below:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k col... |
#include <bits/stdc++.h>
using namespace std;
const int N = 5e5 + 7;
const long long INF = 1e18 + 7;
int n, k, q;
long long s;
vector<pair<int, int> > g[N];
int dfs(int v = 1, int p = 0) {
int last = 0;
int c = k;
vector<int> dif;
for (pair<int, int> to : g[v]) {
if (to.second != p) {
dif.push_back(to... | ### Prompt
Develop a solution in Cpp to the problem described below:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k col... |
#include <bits/stdc++.h>
using namespace std;
template <class c>
struct rge {
c b, e;
};
template <class c>
rge<c> range(c i, c j) {
return rge<c>{i, j};
}
template <class c>
auto dud(c* x) -> decltype(cerr << *x, 0);
template <class c>
char dud(...);
struct debug {
template <class c>
debug& operator<<(const c&... | ### Prompt
Construct a cpp code solution to the problem outlined:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k colors... |
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e6 + 10;
const long long INF = 2 * 1e9 + 10;
const int MOD = 998244353;
int q, n, k;
long long dp[MAXN][2];
vector<vector<pair<int, long long> > > v;
long long calc(int u, int x, int p) {
vector<pair<long long, int> > profit;
for (auto to : v[u]) {
... | ### Prompt
Please create a solution in Cpp to the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k col... |
#include <bits/stdc++.h>
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
long long q;
cin >> q;
for (long long t = 0; t < q; t++) {
long long n, k;
cin >> n >> k;
vector<vector<long long>> adj((size_t)n);
map<pair<long long, long long>, long long> weight;
... | ### Prompt
Construct a CPP code solution to the problem outlined:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k colors... |
#include <bits/stdc++.h>
using namespace std;
const long long N = 1000001;
vector<vector<pair<long long, long long>>> g(N);
vector<vector<long long>> dp(N, vector<long long>(2, 0));
long long n, k;
void dfs(long long u, long long p) {
long long curr = 0;
vector<long long> adds;
for (auto it : g[u]) {
long lon... | ### Prompt
Generate a CPP solution to the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k colors to e... |
#include <bits/stdc++.h>
using namespace std;
int n, k;
int h[500005], nxt[1000005], to[1000005], w[1000005], tot;
inline void ins(int x, int y, int z) {
nxt[++tot] = h[x];
to[tot] = y;
w[tot] = z;
h[x] = tot;
}
long long f[500005], g[500005];
void dfs(int u, int fz) {
static long long s1[500005], s2[500005];... | ### Prompt
Please formulate a Cpp solution to the following problem:
You are given a weighted tree consisting of n vertices. Recall that a tree is a connected graph without cycles. Vertices u_i and v_i are connected by an edge with weight w_i.
Let's define the k-coloring of the tree as an assignment of exactly k col... |
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