#pragma GCC optimize("Ofast,unroll-loops")
// #pragma comment(linker, "/stack:200000000")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma,tune=native")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
typedef pair <ll, ll> pll;
#ifdef SINA
#define dbg(...) __f(#__VA_ARGS__, __VA_ARGS__)
template <typename Arg1> void __f(const char* name, Arg1&& arg1) { cout << name << " : " << arg1 << std::endl; }
template <typename Arg1, typename... Args> void __f (const char* names, Arg1&& arg1, Args&&... args) {
const char* comma = strchr(names + 1, ',');cout.write(names, comma - names) << " : " << arg1<<" | ";__f(comma+1, args...); }
#define dbg2(x, j, n) cout<< #x << " : "; output((j), (n), x, 1); cout.flush();
#else
#define dbg(...) 0
#define dbg2(x, j, n) 0
#endif
#define SZ(x) ((ll)((x).size()))
#define File(s, t) freopen(s ".txt", "r", stdin); freopen(t ".txt", "w", stdout);
#define input(j, n, a) for (int _i = (j); _i < (n)+(j); _i++) cin>> a[_i];
#define output(j, n, a, t) for (int _i = (j); _i < (n)+(j); _i++) cout<< a[_i] << (((t) && _i != (n)+(j)-1)? ' ' : '\n');
#define kill(x) return cout<< (x) << endl, 0
#define cl const ll
#define fr first
#define sc second
#define lc (v << 1)
#define rc (lc | 1)
#define mid ((l + r) >> 1)
#define All(x) (x).begin(), (x).end()
cl inf = sizeof(ll) == 4 ? (1e9 + 10) : (3e18), mod = 1e9 + 7, MOD = 998244353;
template <class A,class B> ostream& operator << (ostream& out,const pair<A,B>&a){return out<<'('<<a.first<<", "<<a.second<<')';}
template <class A> ostream& operator << (ostream& out, const vector<A> &a) {
out<< '['; for (int i = -1; ++i < int(a.size());) out<< a[i] << (i + 1 < int(a.size()) ? ", " : ""); return out<<']'; }
template <class T, typename _t = less <T> > using Tree = tree <T, null_type, _t, rb_tree_tag, tree_order_statistics_node_update>;
cl N = 3e5 + 7;
struct slope_data {
ll a, b;
priority_queue <ll> pq;
slope_data () : a(0), b(0) {}
slope_data operator + (slope_data &x) {
slope_data ret;
ret.a = a + x.a;
ret.b = b + x.b;
if (SZ(pq) > SZ(x.pq)) pq.swap(x.pq);
ret.pq.swap(x.pq);
for (; !pq.empty(); pq.pop()) ret.pq.push(pq.top());
return ret;
}
void operator += (slope_data &x) { *this = *this + x; }
} slp [N];
ll p [N], c [N], n, m;
int main ()
{
ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin>> n >> m;
for (ll i = 2; i <= n + m; i++) cin>> p[i] >> c[i];
for (ll v = n + m; v > n; v--) {
slp[v].a = 1;
slp[v].b = -c[v];
slp[v].pq.push(c[v]); slp[v].pq.push(c[v]);
slp[p[v]] += slp[v];
}
for (ll v = n; v > 1; v--) {
auto &pq = slp[v].pq;
for (; slp[v].a > 1; pq.pop(), slp[v].a--) slp[v].b += pq.top();
ll x = pq.top(); pq.pop();
ll y = pq.top(); pq.pop();
pq.push(y + c[v]); pq.push(x + c[v]);
slp[v].b -= c[v];
slp[p[v]] += slp[v];
}
for (; slp[1].a; slp[1].a--, slp[1].pq.pop()) slp[1].b += slp[1].pq.top();
kill(slp[1].b);
cerr<< "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n";
return 0;
}
/*
4 6
1 5
2 5
2 8
3 3
3 2
3 3
2 9
4 4
4 3
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
14412 KB |
Output is correct |
2 |
Correct |
9 ms |
14412 KB |
Output is correct |
3 |
Correct |
9 ms |
14412 KB |
Output is correct |
4 |
Correct |
9 ms |
14404 KB |
Output is correct |
5 |
Correct |
11 ms |
14412 KB |
Output is correct |
6 |
Correct |
9 ms |
14412 KB |
Output is correct |
7 |
Correct |
11 ms |
14412 KB |
Output is correct |
8 |
Correct |
10 ms |
14412 KB |
Output is correct |
9 |
Correct |
9 ms |
14412 KB |
Output is correct |
10 |
Correct |
9 ms |
14412 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
14384 KB |
Output is correct |
2 |
Correct |
9 ms |
14360 KB |
Output is correct |
3 |
Correct |
9 ms |
14328 KB |
Output is correct |
4 |
Correct |
10 ms |
14312 KB |
Output is correct |
5 |
Correct |
9 ms |
14412 KB |
Output is correct |
6 |
Correct |
9 ms |
14408 KB |
Output is correct |
7 |
Correct |
10 ms |
14416 KB |
Output is correct |
8 |
Correct |
10 ms |
14412 KB |
Output is correct |
9 |
Correct |
9 ms |
14412 KB |
Output is correct |
10 |
Correct |
9 ms |
14412 KB |
Output is correct |
11 |
Correct |
9 ms |
14412 KB |
Output is correct |
12 |
Correct |
11 ms |
14412 KB |
Output is correct |
13 |
Correct |
9 ms |
14376 KB |
Output is correct |
14 |
Correct |
9 ms |
14412 KB |
Output is correct |
15 |
Correct |
9 ms |
14412 KB |
Output is correct |
16 |
Correct |
10 ms |
14412 KB |
Output is correct |
17 |
Correct |
10 ms |
14424 KB |
Output is correct |
18 |
Correct |
10 ms |
14392 KB |
Output is correct |
19 |
Correct |
9 ms |
14408 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
14412 KB |
Output is correct |
2 |
Correct |
9 ms |
14412 KB |
Output is correct |
3 |
Correct |
9 ms |
14412 KB |
Output is correct |
4 |
Correct |
9 ms |
14404 KB |
Output is correct |
5 |
Correct |
11 ms |
14412 KB |
Output is correct |
6 |
Correct |
9 ms |
14412 KB |
Output is correct |
7 |
Correct |
11 ms |
14412 KB |
Output is correct |
8 |
Correct |
10 ms |
14412 KB |
Output is correct |
9 |
Correct |
9 ms |
14412 KB |
Output is correct |
10 |
Correct |
9 ms |
14412 KB |
Output is correct |
11 |
Correct |
9 ms |
14384 KB |
Output is correct |
12 |
Correct |
9 ms |
14360 KB |
Output is correct |
13 |
Correct |
9 ms |
14328 KB |
Output is correct |
14 |
Correct |
10 ms |
14312 KB |
Output is correct |
15 |
Correct |
9 ms |
14412 KB |
Output is correct |
16 |
Correct |
9 ms |
14408 KB |
Output is correct |
17 |
Correct |
10 ms |
14416 KB |
Output is correct |
18 |
Correct |
10 ms |
14412 KB |
Output is correct |
19 |
Correct |
9 ms |
14412 KB |
Output is correct |
20 |
Correct |
9 ms |
14412 KB |
Output is correct |
21 |
Correct |
9 ms |
14412 KB |
Output is correct |
22 |
Correct |
11 ms |
14412 KB |
Output is correct |
23 |
Correct |
9 ms |
14376 KB |
Output is correct |
24 |
Correct |
9 ms |
14412 KB |
Output is correct |
25 |
Correct |
9 ms |
14412 KB |
Output is correct |
26 |
Correct |
10 ms |
14412 KB |
Output is correct |
27 |
Correct |
10 ms |
14424 KB |
Output is correct |
28 |
Correct |
10 ms |
14392 KB |
Output is correct |
29 |
Correct |
9 ms |
14408 KB |
Output is correct |
30 |
Correct |
10 ms |
14412 KB |
Output is correct |
31 |
Correct |
10 ms |
14388 KB |
Output is correct |
32 |
Correct |
10 ms |
14412 KB |
Output is correct |
33 |
Correct |
11 ms |
14552 KB |
Output is correct |
34 |
Correct |
11 ms |
14540 KB |
Output is correct |
35 |
Correct |
12 ms |
14540 KB |
Output is correct |
36 |
Correct |
11 ms |
14668 KB |
Output is correct |
37 |
Correct |
12 ms |
14620 KB |
Output is correct |
38 |
Correct |
12 ms |
14668 KB |
Output is correct |
39 |
Correct |
12 ms |
14688 KB |
Output is correct |
40 |
Correct |
11 ms |
14492 KB |
Output is correct |
41 |
Correct |
11 ms |
14552 KB |
Output is correct |
42 |
Correct |
11 ms |
14556 KB |
Output is correct |
43 |
Correct |
12 ms |
14668 KB |
Output is correct |
44 |
Correct |
12 ms |
14676 KB |
Output is correct |
45 |
Correct |
12 ms |
14680 KB |
Output is correct |
46 |
Correct |
12 ms |
14796 KB |
Output is correct |
47 |
Correct |
12 ms |
14780 KB |
Output is correct |
48 |
Correct |
12 ms |
14680 KB |
Output is correct |
49 |
Correct |
12 ms |
14640 KB |
Output is correct |
50 |
Correct |
12 ms |
14540 KB |
Output is correct |
51 |
Correct |
12 ms |
14552 KB |
Output is correct |
52 |
Correct |
12 ms |
14660 KB |
Output is correct |
53 |
Correct |
12 ms |
14668 KB |
Output is correct |
54 |
Correct |
12 ms |
14668 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
14412 KB |
Output is correct |
2 |
Correct |
9 ms |
14412 KB |
Output is correct |
3 |
Correct |
9 ms |
14412 KB |
Output is correct |
4 |
Correct |
9 ms |
14404 KB |
Output is correct |
5 |
Correct |
11 ms |
14412 KB |
Output is correct |
6 |
Correct |
9 ms |
14412 KB |
Output is correct |
7 |
Correct |
11 ms |
14412 KB |
Output is correct |
8 |
Correct |
10 ms |
14412 KB |
Output is correct |
9 |
Correct |
9 ms |
14412 KB |
Output is correct |
10 |
Correct |
9 ms |
14412 KB |
Output is correct |
11 |
Correct |
9 ms |
14384 KB |
Output is correct |
12 |
Correct |
9 ms |
14360 KB |
Output is correct |
13 |
Correct |
9 ms |
14328 KB |
Output is correct |
14 |
Correct |
10 ms |
14312 KB |
Output is correct |
15 |
Correct |
9 ms |
14412 KB |
Output is correct |
16 |
Correct |
9 ms |
14408 KB |
Output is correct |
17 |
Correct |
10 ms |
14416 KB |
Output is correct |
18 |
Correct |
10 ms |
14412 KB |
Output is correct |
19 |
Correct |
9 ms |
14412 KB |
Output is correct |
20 |
Correct |
9 ms |
14412 KB |
Output is correct |
21 |
Correct |
9 ms |
14412 KB |
Output is correct |
22 |
Correct |
11 ms |
14412 KB |
Output is correct |
23 |
Correct |
9 ms |
14376 KB |
Output is correct |
24 |
Correct |
9 ms |
14412 KB |
Output is correct |
25 |
Correct |
9 ms |
14412 KB |
Output is correct |
26 |
Correct |
10 ms |
14412 KB |
Output is correct |
27 |
Correct |
10 ms |
14424 KB |
Output is correct |
28 |
Correct |
10 ms |
14392 KB |
Output is correct |
29 |
Correct |
9 ms |
14408 KB |
Output is correct |
30 |
Correct |
10 ms |
14412 KB |
Output is correct |
31 |
Correct |
10 ms |
14388 KB |
Output is correct |
32 |
Correct |
10 ms |
14412 KB |
Output is correct |
33 |
Correct |
11 ms |
14552 KB |
Output is correct |
34 |
Correct |
11 ms |
14540 KB |
Output is correct |
35 |
Correct |
12 ms |
14540 KB |
Output is correct |
36 |
Correct |
11 ms |
14668 KB |
Output is correct |
37 |
Correct |
12 ms |
14620 KB |
Output is correct |
38 |
Correct |
12 ms |
14668 KB |
Output is correct |
39 |
Correct |
12 ms |
14688 KB |
Output is correct |
40 |
Correct |
11 ms |
14492 KB |
Output is correct |
41 |
Correct |
11 ms |
14552 KB |
Output is correct |
42 |
Correct |
11 ms |
14556 KB |
Output is correct |
43 |
Correct |
12 ms |
14668 KB |
Output is correct |
44 |
Correct |
12 ms |
14676 KB |
Output is correct |
45 |
Correct |
12 ms |
14680 KB |
Output is correct |
46 |
Correct |
12 ms |
14796 KB |
Output is correct |
47 |
Correct |
12 ms |
14780 KB |
Output is correct |
48 |
Correct |
12 ms |
14680 KB |
Output is correct |
49 |
Correct |
12 ms |
14640 KB |
Output is correct |
50 |
Correct |
12 ms |
14540 KB |
Output is correct |
51 |
Correct |
12 ms |
14552 KB |
Output is correct |
52 |
Correct |
12 ms |
14660 KB |
Output is correct |
53 |
Correct |
12 ms |
14668 KB |
Output is correct |
54 |
Correct |
12 ms |
14668 KB |
Output is correct |
55 |
Correct |
16 ms |
15156 KB |
Output is correct |
56 |
Correct |
35 ms |
17048 KB |
Output is correct |
57 |
Correct |
52 ms |
18912 KB |
Output is correct |
58 |
Correct |
63 ms |
20080 KB |
Output is correct |
59 |
Correct |
83 ms |
22188 KB |
Output is correct |
60 |
Correct |
105 ms |
24188 KB |
Output is correct |
61 |
Correct |
118 ms |
25280 KB |
Output is correct |
62 |
Correct |
135 ms |
26680 KB |
Output is correct |
63 |
Correct |
154 ms |
28568 KB |
Output is correct |
64 |
Correct |
174 ms |
29756 KB |
Output is correct |
65 |
Correct |
95 ms |
23856 KB |
Output is correct |
66 |
Correct |
93 ms |
23960 KB |
Output is correct |
67 |
Correct |
93 ms |
24004 KB |
Output is correct |
68 |
Correct |
150 ms |
29800 KB |
Output is correct |
69 |
Correct |
161 ms |
30484 KB |
Output is correct |
70 |
Correct |
168 ms |
30736 KB |
Output is correct |
71 |
Correct |
187 ms |
34232 KB |
Output is correct |
72 |
Correct |
188 ms |
34548 KB |
Output is correct |
73 |
Correct |
168 ms |
33344 KB |
Output is correct |
74 |
Correct |
171 ms |
32004 KB |
Output is correct |
75 |
Correct |
165 ms |
31016 KB |
Output is correct |
76 |
Correct |
164 ms |
31396 KB |
Output is correct |
77 |
Correct |
178 ms |
30776 KB |
Output is correct |
78 |
Correct |
185 ms |
30284 KB |
Output is correct |
79 |
Correct |
157 ms |
30896 KB |
Output is correct |