#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define LL_MAX LONG_LONG_MAX
#define LL_MIN LONG_LONG_MIN
#define speed ios_base::sync_with_stdio(false); cin.tie(0)
#define stMx(a,b) a = max(a,b)
#define stMn(a,b) a = min(a,b)
typedef pair<int,int> ii;
typedef vector<int> vi;
typedef set<int> si;
typedef vector<ii> vii;
typedef set<ii> sii;
#define REP(i, a, b) for(int i = a; i < b; i++)
#define HASTC 0
vii adj[300005];
priority_queue<int> slope[300005]; ii rgt[300005];
void dfs(int x, int p) {
if(adj[x].size()) {
for(auto i: adj[x]) {
dfs(i.fi,i.se);
if(slope[i.fi].size()>slope[x].size()) swap(slope[i.fi],slope[x]);
while(slope[i.fi].size()) {
slope[x].push(slope[i.fi].top());
slope[i.fi].pop();
}
rgt[x].fi+=rgt[i.fi].fi; rgt[x].se+=rgt[i.fi].se;
}
while(rgt[x].fi>1) {
rgt[x].fi--; assert(slope[x].size()); rgt[x].se+=slope[x].top();
slope[x].pop();
}
int t, t2;
t=slope[x].top(); slope[x].pop();
t2=slope[x].top(); slope[x].pop();
slope[x].push(t+p); slope[x].push(t2+p);
rgt[x].se-=p;
}
else {
slope[x].push(p);
slope[x].push(p);
rgt[x]=ii(1,-p);
}
}
void solvetc(int idx) {
int N, M, P, C; cin >> N >> M;
REP(i,2,M+N+1) {
cin>>P>>C;
adj[P].pb(ii(i,C));
}
dfs(1,0);
while(rgt[1].fi) {
rgt[1].fi--; assert(slope[1].size()); rgt[1].se+=slope[1].top();
slope[1].pop();
}
cout<<rgt[1].se;
}
int32_t main() {
int tc;
if(HASTC) cin>>tc;
else tc=1;
for(int i=0;i<tc;i++) solvetc(i);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
16724 KB |
Output is correct |
2 |
Correct |
8 ms |
16744 KB |
Output is correct |
3 |
Correct |
8 ms |
16724 KB |
Output is correct |
4 |
Correct |
8 ms |
16724 KB |
Output is correct |
5 |
Correct |
8 ms |
16724 KB |
Output is correct |
6 |
Correct |
9 ms |
16724 KB |
Output is correct |
7 |
Correct |
8 ms |
16724 KB |
Output is correct |
8 |
Correct |
9 ms |
16736 KB |
Output is correct |
9 |
Correct |
8 ms |
16724 KB |
Output is correct |
10 |
Correct |
9 ms |
16724 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
16840 KB |
Output is correct |
2 |
Correct |
8 ms |
16744 KB |
Output is correct |
3 |
Correct |
7 ms |
16752 KB |
Output is correct |
4 |
Correct |
8 ms |
16724 KB |
Output is correct |
5 |
Correct |
8 ms |
16740 KB |
Output is correct |
6 |
Correct |
8 ms |
16752 KB |
Output is correct |
7 |
Correct |
8 ms |
16724 KB |
Output is correct |
8 |
Correct |
8 ms |
16724 KB |
Output is correct |
9 |
Correct |
8 ms |
16724 KB |
Output is correct |
10 |
Correct |
8 ms |
16748 KB |
Output is correct |
11 |
Correct |
10 ms |
16724 KB |
Output is correct |
12 |
Correct |
10 ms |
16748 KB |
Output is correct |
13 |
Correct |
9 ms |
16700 KB |
Output is correct |
14 |
Correct |
8 ms |
16724 KB |
Output is correct |
15 |
Correct |
8 ms |
16724 KB |
Output is correct |
16 |
Correct |
8 ms |
16752 KB |
Output is correct |
17 |
Correct |
9 ms |
16724 KB |
Output is correct |
18 |
Correct |
8 ms |
16724 KB |
Output is correct |
19 |
Correct |
8 ms |
16748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
16724 KB |
Output is correct |
2 |
Correct |
8 ms |
16744 KB |
Output is correct |
3 |
Correct |
8 ms |
16724 KB |
Output is correct |
4 |
Correct |
8 ms |
16724 KB |
Output is correct |
5 |
Correct |
8 ms |
16724 KB |
Output is correct |
6 |
Correct |
9 ms |
16724 KB |
Output is correct |
7 |
Correct |
8 ms |
16724 KB |
Output is correct |
8 |
Correct |
9 ms |
16736 KB |
Output is correct |
9 |
Correct |
8 ms |
16724 KB |
Output is correct |
10 |
Correct |
9 ms |
16724 KB |
Output is correct |
11 |
Correct |
11 ms |
16840 KB |
Output is correct |
12 |
Correct |
8 ms |
16744 KB |
Output is correct |
13 |
Correct |
7 ms |
16752 KB |
Output is correct |
14 |
Correct |
8 ms |
16724 KB |
Output is correct |
15 |
Correct |
8 ms |
16740 KB |
Output is correct |
16 |
Correct |
8 ms |
16752 KB |
Output is correct |
17 |
Correct |
8 ms |
16724 KB |
Output is correct |
18 |
Correct |
8 ms |
16724 KB |
Output is correct |
19 |
Correct |
8 ms |
16724 KB |
Output is correct |
20 |
Correct |
8 ms |
16748 KB |
Output is correct |
21 |
Correct |
10 ms |
16724 KB |
Output is correct |
22 |
Correct |
10 ms |
16748 KB |
Output is correct |
23 |
Correct |
9 ms |
16700 KB |
Output is correct |
24 |
Correct |
8 ms |
16724 KB |
Output is correct |
25 |
Correct |
8 ms |
16724 KB |
Output is correct |
26 |
Correct |
8 ms |
16752 KB |
Output is correct |
27 |
Correct |
9 ms |
16724 KB |
Output is correct |
28 |
Correct |
8 ms |
16724 KB |
Output is correct |
29 |
Correct |
8 ms |
16748 KB |
Output is correct |
30 |
Correct |
8 ms |
16724 KB |
Output is correct |
31 |
Correct |
8 ms |
16808 KB |
Output is correct |
32 |
Correct |
8 ms |
16812 KB |
Output is correct |
33 |
Correct |
10 ms |
16984 KB |
Output is correct |
34 |
Correct |
11 ms |
16988 KB |
Output is correct |
35 |
Correct |
10 ms |
16980 KB |
Output is correct |
36 |
Correct |
10 ms |
16980 KB |
Output is correct |
37 |
Correct |
11 ms |
17108 KB |
Output is correct |
38 |
Correct |
11 ms |
17100 KB |
Output is correct |
39 |
Correct |
12 ms |
17108 KB |
Output is correct |
40 |
Correct |
11 ms |
17620 KB |
Output is correct |
41 |
Correct |
11 ms |
17620 KB |
Output is correct |
42 |
Correct |
12 ms |
16980 KB |
Output is correct |
43 |
Correct |
11 ms |
17364 KB |
Output is correct |
44 |
Correct |
12 ms |
17236 KB |
Output is correct |
45 |
Correct |
12 ms |
17236 KB |
Output is correct |
46 |
Correct |
11 ms |
17236 KB |
Output is correct |
47 |
Correct |
12 ms |
17272 KB |
Output is correct |
48 |
Correct |
10 ms |
17108 KB |
Output is correct |
49 |
Correct |
11 ms |
17144 KB |
Output is correct |
50 |
Correct |
11 ms |
17108 KB |
Output is correct |
51 |
Correct |
10 ms |
17012 KB |
Output is correct |
52 |
Correct |
11 ms |
17108 KB |
Output is correct |
53 |
Correct |
12 ms |
17236 KB |
Output is correct |
54 |
Correct |
11 ms |
17144 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
16724 KB |
Output is correct |
2 |
Correct |
8 ms |
16744 KB |
Output is correct |
3 |
Correct |
8 ms |
16724 KB |
Output is correct |
4 |
Correct |
8 ms |
16724 KB |
Output is correct |
5 |
Correct |
8 ms |
16724 KB |
Output is correct |
6 |
Correct |
9 ms |
16724 KB |
Output is correct |
7 |
Correct |
8 ms |
16724 KB |
Output is correct |
8 |
Correct |
9 ms |
16736 KB |
Output is correct |
9 |
Correct |
8 ms |
16724 KB |
Output is correct |
10 |
Correct |
9 ms |
16724 KB |
Output is correct |
11 |
Correct |
11 ms |
16840 KB |
Output is correct |
12 |
Correct |
8 ms |
16744 KB |
Output is correct |
13 |
Correct |
7 ms |
16752 KB |
Output is correct |
14 |
Correct |
8 ms |
16724 KB |
Output is correct |
15 |
Correct |
8 ms |
16740 KB |
Output is correct |
16 |
Correct |
8 ms |
16752 KB |
Output is correct |
17 |
Correct |
8 ms |
16724 KB |
Output is correct |
18 |
Correct |
8 ms |
16724 KB |
Output is correct |
19 |
Correct |
8 ms |
16724 KB |
Output is correct |
20 |
Correct |
8 ms |
16748 KB |
Output is correct |
21 |
Correct |
10 ms |
16724 KB |
Output is correct |
22 |
Correct |
10 ms |
16748 KB |
Output is correct |
23 |
Correct |
9 ms |
16700 KB |
Output is correct |
24 |
Correct |
8 ms |
16724 KB |
Output is correct |
25 |
Correct |
8 ms |
16724 KB |
Output is correct |
26 |
Correct |
8 ms |
16752 KB |
Output is correct |
27 |
Correct |
9 ms |
16724 KB |
Output is correct |
28 |
Correct |
8 ms |
16724 KB |
Output is correct |
29 |
Correct |
8 ms |
16748 KB |
Output is correct |
30 |
Correct |
8 ms |
16724 KB |
Output is correct |
31 |
Correct |
8 ms |
16808 KB |
Output is correct |
32 |
Correct |
8 ms |
16812 KB |
Output is correct |
33 |
Correct |
10 ms |
16984 KB |
Output is correct |
34 |
Correct |
11 ms |
16988 KB |
Output is correct |
35 |
Correct |
10 ms |
16980 KB |
Output is correct |
36 |
Correct |
10 ms |
16980 KB |
Output is correct |
37 |
Correct |
11 ms |
17108 KB |
Output is correct |
38 |
Correct |
11 ms |
17100 KB |
Output is correct |
39 |
Correct |
12 ms |
17108 KB |
Output is correct |
40 |
Correct |
11 ms |
17620 KB |
Output is correct |
41 |
Correct |
11 ms |
17620 KB |
Output is correct |
42 |
Correct |
12 ms |
16980 KB |
Output is correct |
43 |
Correct |
11 ms |
17364 KB |
Output is correct |
44 |
Correct |
12 ms |
17236 KB |
Output is correct |
45 |
Correct |
12 ms |
17236 KB |
Output is correct |
46 |
Correct |
11 ms |
17236 KB |
Output is correct |
47 |
Correct |
12 ms |
17272 KB |
Output is correct |
48 |
Correct |
10 ms |
17108 KB |
Output is correct |
49 |
Correct |
11 ms |
17144 KB |
Output is correct |
50 |
Correct |
11 ms |
17108 KB |
Output is correct |
51 |
Correct |
10 ms |
17012 KB |
Output is correct |
52 |
Correct |
11 ms |
17108 KB |
Output is correct |
53 |
Correct |
12 ms |
17236 KB |
Output is correct |
54 |
Correct |
11 ms |
17144 KB |
Output is correct |
55 |
Correct |
21 ms |
17760 KB |
Output is correct |
56 |
Correct |
44 ms |
20940 KB |
Output is correct |
57 |
Correct |
76 ms |
23844 KB |
Output is correct |
58 |
Correct |
100 ms |
25776 KB |
Output is correct |
59 |
Correct |
121 ms |
28784 KB |
Output is correct |
60 |
Correct |
161 ms |
31896 KB |
Output is correct |
61 |
Correct |
206 ms |
34328 KB |
Output is correct |
62 |
Correct |
220 ms |
36068 KB |
Output is correct |
63 |
Correct |
269 ms |
39628 KB |
Output is correct |
64 |
Correct |
276 ms |
40732 KB |
Output is correct |
65 |
Correct |
193 ms |
73200 KB |
Output is correct |
66 |
Correct |
192 ms |
73264 KB |
Output is correct |
67 |
Correct |
191 ms |
35716 KB |
Output is correct |
68 |
Correct |
230 ms |
57816 KB |
Output is correct |
69 |
Correct |
249 ms |
55252 KB |
Output is correct |
70 |
Correct |
275 ms |
55328 KB |
Output is correct |
71 |
Correct |
230 ms |
53236 KB |
Output is correct |
72 |
Correct |
230 ms |
53288 KB |
Output is correct |
73 |
Correct |
210 ms |
48968 KB |
Output is correct |
74 |
Correct |
205 ms |
49204 KB |
Output is correct |
75 |
Correct |
204 ms |
47444 KB |
Output is correct |
76 |
Correct |
211 ms |
47476 KB |
Output is correct |
77 |
Correct |
232 ms |
46648 KB |
Output is correct |
78 |
Correct |
244 ms |
44760 KB |
Output is correct |
79 |
Correct |
210 ms |
46528 KB |
Output is correct |