結果
問題 | No.1054 Union add query |
ユーザー | Димаш Турсынбай |
提出日時 | 2020-05-15 22:04:49 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
MLE
|
実行時間 | - |
コード長 | 3,126 bytes |
コンパイル時間 | 3,074 ms |
コンパイル使用メモリ | 193,724 KB |
実行使用メモリ | 512,368 KB |
最終ジャッジ日時 | 2024-09-19 10:36:33 |
合計ジャッジ時間 | 6,965 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 22 ms
55,148 KB |
testcase_01 | MLE | - |
testcase_02 | -- | - |
testcase_03 | -- | - |
testcase_04 | -- | - |
testcase_05 | -- | - |
testcase_06 | -- | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
ソースコード
//#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops") //#pragma GCC target("avx,avx2") //#pragma GCC target("avx2") //#pragma GCC optimize("O3") //# include <x86intrin.h> # include <bits/stdc++.h> # include <ext/pb_ds/assoc_container.hpp> # include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; using namespace std; template<typename T> using ordered_set = tree <T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; #define _USE_MATH_DEFINES_ #define ll long long #define ld long double #define Accepted 0 #define pb push_back #define mp make_pair #define sz(x) (int)(x.size()) #define every(x) x.begin(),x.end() #define F first #define S second #define lb lower_bound #define ub upper_bound #define For(i,x,y) for (ll i = x; i <= y; i ++) #define FOr(i,x,y) for (ll i = x; i >= y; i --) #define SpeedForce ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0) // ROAD to... Red inline void Input_Output () { //freopen(".in", "r", stdin); //freopen(".out", "w", stdout); } const double eps = 0.000001; const ld pi = acos(-1); const int maxn = 1e7 + 9; const int mod = 1e9 + 7; const ll MOD = 1e18 + 9; const ll INF = 1e18 + 123; const int inf = 2e9 + 11; const int mxn = 1e6 + 9; const int N = 6e5 + 123; const int M = 22; const int pri = 997; const int Magic = 2101; const int dx[] = {-1, 0, 1, 0}; const int dy[] = {0, -1, 0, 1}; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); int n, m, k; int op[N], a[N], b[N]; int p[N]; vector < int > g[N]; int ans[N]; int u[N]; vector < int > add[N], q[N]; int get (int x) { if (p[x] != x) p[x] = get(p[x]); return p[x]; } int f[N]; int id[N]; void upd (int p, int x) { for(; p < N; p |= (p+1)) f[p] += x; } int query (int r) { int res = 0; while(r > 0) { res += f[r]; r = (r&(r+1)) - 1; } return res; } void dfs (int v) { for (auto it : add[v]) { // cout << "+ " << it << '\n'; upd(it, b[it]); } for (auto it : q[v]) { ans[it] = query(it); // cout << "que: " << it << '\n'; } int ptr = 0; for (auto to : g[v]) { while(ptr < sz(add[v]) && id[to] > add[v][ptr]) { auto it = add[v][ptr++]; upd(it, -b[it]); // cout << "- " << it << '\n'; } dfs(to); } while(ptr < sz(add[v])) { auto it = add[v][ptr++]; upd(it, -b[it]); // cout << "- " << it << '\n'; } } int main () { scanf("%d%d", &n, &m); For (i, 1, m) { scanf("%d%d%d", &op[i], &a[i], &b[i]); } For (i, 1, n) p[i] = i; For(i, 1, m) if (op[i] == 1) { int x = get(a[i]), y = get(b[i]); if (x > y) swap(x, y); g[x].pb(y); id[y] = i; p[y] = x; } else if (op[i] == 2) { int x = get(a[i]); add[x].pb(i); } else { //int x = get(a[i]); q[a[i]].pb(i); } For (i, 1, n) { if(p[i] == i) { dfs(i); } } For (i, 1, m) if(op[i] == 3) { printf("%d\n", ans[i]); } return Accepted; } // B...a