結果
| 問題 |
No.3025 Chocol∀te
|
| コンテスト | |
| ユーザー |
👑 |
| 提出日時 | 2025-02-15 20:51:08 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 1,505 ms / 2,000 ms |
| コード長 | 3,649 bytes |
| コンパイル時間 | 4,207 ms |
| コンパイル使用メモリ | 257,892 KB |
| 実行使用メモリ | 33,964 KB |
| 最終ジャッジ日時 | 2025-02-15 20:52:13 |
| 合計ジャッジ時間 | 46,817 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 77 |
ソースコード
#include<bits/stdc++.h>
#include<atcoder/all>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
using namespace atcoder;
typedef long long ll;
typedef vector<int> vi;
typedef vector<long long> vl;
typedef vector<vector<int>> vvi;
typedef vector<vector<long long>> vvl;
typedef long double ld;
typedef pair<int, int> P;
template <int m> ostream& operator<<(ostream& os, const static_modint<m>& a) {os << a.val(); return os;}
template <int m> ostream& operator<<(ostream& os, const dynamic_modint<m>& a) {os << a.val(); return os;}
template <int m> istream& operator>>(istream& is, static_modint<m>& a) {long long x; is >> x; a = x; return is;}
template <int m> istream& operator>>(istream& is, dynamic_modint<m>& a) {long long x; is >> x; a = x; return is;}
template<typename T> istream& operator>>(istream& is, vector<T>& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;}
template<typename U, typename T> ostream& operator<<(ostream& os, const pair<U, T>& p){os << p.first << ' ' << p.second; return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : ""); return os;}
template<typename T> ostream& operator<<(ostream& os, const set<T>& se){for(T x : se) os << x << " "; os << "\n"; return os;}
template<typename T> ostream& operator<<(ostream& os, const unordered_set<T>& se){for(T x : se) os << x << " "; os << "\n"; return os;}
template<typename S, auto op, auto e> ostream& operator<<(ostream& os, const atcoder::segtree<S, op, e>& seg){int n = seg.max_right(0, [](S){return true;}); rep(i, n) os << seg.get(i) << (i == n - 1 ? "\n" : " "); return os;}
template<typename S, auto op, auto e, typename F, auto mapping, auto composition, auto id> ostream& operator<<(ostream& os, const atcoder::lazy_segtree<S, op, e, F, mapping, composition, id>& seg){int n = seg.max_right(0, [](S){return true;}); rep(i, n) os << seg.get(i) << (i == n - 1 ? "\n" : " "); return os;}
template<typename T> void chmin(T& a, T b){a = min(a, b);}
template<typename T> void chmax(T& a, T b){a = max(a, b);}
int main(){
int n, m;
cin >> n >> m;
vector<unordered_set<int>> G(n);
rep(i, m){
int u, v;
cin >> u >> v;
u--; v--;
G[u].insert(v);
G[v].insert(u);
}
vector<long long> a(n);
cin >> a;
int q;
cin >> q;
const int B = sqrt(m + q);
unordered_set<int> major;
vector<long long> s(n);
rep(u, n){
if(int(G[u].size()) >= B){
major.insert(u);
}else{
for(int v : G[u]){
s[v] += a[u];
}
}
}
auto update = [&](int u, int c){
if(int(G[u].size()) >= B){
major.insert(u);
}else{
major.erase(u);
}
if(major.find(u) != major.end()){
}else{
for(int v : G[u]){
s[v] += a[u] * c;
}
}
};
rep(i, q){
int t;
cin >> t;
if(t == 1){
int u, v;
cin >> u >> v;
u--; v--;
if(G[u].find(v) != G[u].end()){
update(u, -1);
update(v, -1);
G[u].erase(v);
G[v].erase(u);
update(u, +1);
update(v, +1);
}else{
update(u, -1);
update(v, -1);
G[u].insert(v);
G[v].insert(u);
update(u, +1);
update(v, +1);
}
}
if(t == 2){
int u, val;
cin >> u >> val;
u--;
update(u, -1);
a[u] = val;
update(u, +1);
}
if(t == 3){
int u;
cin >> u;
u--;
long long ans = s[u];
for(int v : major){
if(G[u].find(v) != G[u].end()){
ans += a[v];
}
}
cout << ans << "\n";
}
}
return 0;
}