結果
問題 | No.1054 Union add query |
ユーザー | kuhaku |
提出日時 | 2020-05-17 11:18:10 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 166 ms / 2,000 ms |
コード長 | 2,919 bytes |
コンパイル時間 | 2,068 ms |
コンパイル使用メモリ | 207,460 KB |
実行使用メモリ | 11,108 KB |
最終ジャッジ日時 | 2024-09-25 02:08:22 |
合計ジャッジ時間 | 4,501 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 146 ms
6,940 KB |
testcase_04 | AC | 166 ms
11,108 KB |
testcase_05 | AC | 134 ms
6,944 KB |
testcase_06 | AC | 131 ms
6,940 KB |
testcase_07 | AC | 113 ms
6,944 KB |
testcase_08 | AC | 130 ms
6,940 KB |
testcase_09 | AC | 164 ms
10,992 KB |
testcase_10 | AC | 93 ms
11,012 KB |
ソースコード
/* confirm 0LL and 1LL confirm cornercases such as 0 confirm times of cin < 10^6 */ #include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using P = pair<ll, ll>; using Pld = pair<ld, ld>; using Vec = vector<ll>; using VecP = vector<P>; using VecB = vector<bool>; using VecC = vector<char>; using VecD = vector<ld>; using VecS = vector<string>; using Graph = vector<VecP>; template <typename T> using Vec1 = vector<T>; template <typename T> using Vec2 = vector<Vec1<T> >; #define REP(i, m, n) for(ll i = (m); (i) < (n); ++(i)) #define REPN(i, m, n) for(ll i = (m); (i) <= (n); ++(i)) #define REPR(i, m, n) for(ll i = (m)-1; (i) >= (n); --(i)) #define REPNR(i, m, n) for(ll i = (m); (i) >= (n); --(i)) #define rep(i, n) REP(i, 0, n) #define repn(i, n) REPN(i, 1, n) #define repr(i, n) REPR(i, n, 0) #define repnr(i, n) REPNR(i, n, 1) #define all(s) (s).begin(), (s).end() #define pb push_back #define fs first #define sc second template <typename T> bool chmax(T &a, const T b){if(a < b){a = b; return true;} return false;} template <typename T> bool chmin(T &a, const T b){if(a > b){a = b; return true;} return false;} template <typename T> ll pow2(const T n){return (1LL << n);} template <typename T> void cosp(const T n){cout << n << ' ';} void co(void){cout << '\n';} template <typename T> void co(const T n){cout << n << '\n';} template <typename T1, typename T2> void co(pair<T1, T2> p){cout << p.fs << ' ' << p.sc << '\n';} template <typename T> void co(const Vec1<T> &v){for(T i : v) cosp(i); co();} template <typename T> void co(initializer_list<T> v){for(T i : v) cosp(i); co();} template <typename T> void ce(const T n){cerr << n << endl;} void sonic(){ios::sync_with_stdio(false); cin.tie(0);} void setp(const ll n){cout << fixed << setprecision(n);} constexpr int INF = 1e9+1; constexpr ll LINF = 1e18+1; constexpr ll MOD = 1e9+7; //constexpr ll MOD = 998244353; constexpr ld EPS = 1e-11; const ld PI = acos(-1); struct UnionFind{ Vec par; Vec sum; UnionFind(ll n){ par.resize(n); sum.assign(n, 0); rep(i, n) par[i] = i; } ll root(ll x){ if(par[x] == x) return x; ll p = root(par[x]); if(p != par[x]) sum[x] += sum[par[x]]; return par[x] = p; } void unite(ll x, ll y){ x = root(x), y = root(y); if(x != y){ par[y] = x; sum[y] -= sum[x]; } } void add(ll x, ll a){ sum[root(x)] += a; } ll getSum(ll x){ if(x == root(x)) return sum[x]; return sum[x] + sum[par[x]]; } bool same(ll x, ll y){ return root(x) == root(y); } }; int main(void){ sonic(); ll n, q; cin >> n >> q; UnionFind uf(n); rep(i, q){ ll t, a, b; cin >> t >> a >> b; if(t == 1){ a--, b--; uf.unite(a, b); }else if(t == 2){ a--; uf.add(a, b); }else{ a--; co(uf.getSum(a)); } } return 0; }