#include <bits/stdc++.h>
using namespace std;
#define int int64_t
signed main() {
ios::sync_with_stdio(0), cin.tie(0);
int N, M; cin >> N >> M;
N += M;
int c[N];
priority_queue<int> dp[N];
vector<int> g[N];
for(int i = 1; i < N; ++i) {
int p; cin >> p >> c[i];
g[p-1].push_back(i);
}
for(int u = N; u--; ) {
if(!empty(g[u])) {
for(int v : g[u]) {
assert(size(dp[v]) > size(g[v]));
for(int i = size(g[v]); --i > 0; )
dp[v].pop();
assert(size(dp[v]) > 1);
int x = dp[v].top(); dp[v].pop();
int y = dp[v].top(); dp[v].pop();
dp[v].push(x + c[v]);
dp[v].push(y + c[v]);
if(size(dp[v]) > size(dp[u]))
dp[u].swap(dp[v]);
}
for(int v : g[u])
while(!empty(dp[v]))
dp[u].push(dp[v].top()), dp[v].pop();
} else {
dp[u].push(0);
dp[u].push(0);
}
}
int ans = accumulate(c + 1, c + N, 0LL), d = -M, x {};
vector<int> res;
while(!empty(dp[0]))
res.push_back(dp[0].top()), dp[0].pop();
for(int i = size(res) - 1; d < 0; --i, ++d) {
ans += d * (res[i] - x);
x = res[i];
}
cout << ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
276 KB |
Output is correct |
| 5 |
Correct |
1 ms |
316 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
248 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
276 KB |
Output is correct |
| 5 |
Correct |
1 ms |
316 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
0 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
248 KB |
Output is correct |
| 28 |
Correct |
1 ms |
340 KB |
Output is correct |
| 29 |
Correct |
1 ms |
340 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
1 ms |
464 KB |
Output is correct |
| 32 |
Correct |
1 ms |
468 KB |
Output is correct |
| 33 |
Correct |
2 ms |
504 KB |
Output is correct |
| 34 |
Correct |
2 ms |
596 KB |
Output is correct |
| 35 |
Correct |
2 ms |
716 KB |
Output is correct |
| 36 |
Correct |
2 ms |
852 KB |
Output is correct |
| 37 |
Correct |
3 ms |
852 KB |
Output is correct |
| 38 |
Correct |
4 ms |
980 KB |
Output is correct |
| 39 |
Correct |
3 ms |
980 KB |
Output is correct |
| 40 |
Correct |
2 ms |
852 KB |
Output is correct |
| 41 |
Correct |
2 ms |
852 KB |
Output is correct |
| 42 |
Correct |
3 ms |
852 KB |
Output is correct |
| 43 |
Correct |
3 ms |
848 KB |
Output is correct |
| 44 |
Correct |
3 ms |
840 KB |
Output is correct |
| 45 |
Correct |
3 ms |
852 KB |
Output is correct |
| 46 |
Correct |
3 ms |
1148 KB |
Output is correct |
| 47 |
Correct |
3 ms |
1108 KB |
Output is correct |
| 48 |
Correct |
3 ms |
992 KB |
Output is correct |
| 49 |
Correct |
3 ms |
1108 KB |
Output is correct |
| 50 |
Correct |
3 ms |
928 KB |
Output is correct |
| 51 |
Correct |
3 ms |
852 KB |
Output is correct |
| 52 |
Correct |
3 ms |
980 KB |
Output is correct |
| 53 |
Correct |
4 ms |
1028 KB |
Output is correct |
| 54 |
Correct |
3 ms |
1108 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
276 KB |
Output is correct |
| 5 |
Correct |
1 ms |
316 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
0 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
248 KB |
Output is correct |
| 28 |
Correct |
1 ms |
340 KB |
Output is correct |
| 29 |
Correct |
1 ms |
340 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
1 ms |
464 KB |
Output is correct |
| 32 |
Correct |
1 ms |
468 KB |
Output is correct |
| 33 |
Correct |
2 ms |
504 KB |
Output is correct |
| 34 |
Correct |
2 ms |
596 KB |
Output is correct |
| 35 |
Correct |
2 ms |
716 KB |
Output is correct |
| 36 |
Correct |
2 ms |
852 KB |
Output is correct |
| 37 |
Correct |
3 ms |
852 KB |
Output is correct |
| 38 |
Correct |
4 ms |
980 KB |
Output is correct |
| 39 |
Correct |
3 ms |
980 KB |
Output is correct |
| 40 |
Correct |
2 ms |
852 KB |
Output is correct |
| 41 |
Correct |
2 ms |
852 KB |
Output is correct |
| 42 |
Correct |
3 ms |
852 KB |
Output is correct |
| 43 |
Correct |
3 ms |
848 KB |
Output is correct |
| 44 |
Correct |
3 ms |
840 KB |
Output is correct |
| 45 |
Correct |
3 ms |
852 KB |
Output is correct |
| 46 |
Correct |
3 ms |
1148 KB |
Output is correct |
| 47 |
Correct |
3 ms |
1108 KB |
Output is correct |
| 48 |
Correct |
3 ms |
992 KB |
Output is correct |
| 49 |
Correct |
3 ms |
1108 KB |
Output is correct |
| 50 |
Correct |
3 ms |
928 KB |
Output is correct |
| 51 |
Correct |
3 ms |
852 KB |
Output is correct |
| 52 |
Correct |
3 ms |
980 KB |
Output is correct |
| 53 |
Correct |
4 ms |
1028 KB |
Output is correct |
| 54 |
Correct |
3 ms |
1108 KB |
Output is correct |
| 55 |
Correct |
7 ms |
2072 KB |
Output is correct |
| 56 |
Correct |
27 ms |
7068 KB |
Output is correct |
| 57 |
Correct |
52 ms |
11724 KB |
Output is correct |
| 58 |
Correct |
76 ms |
15220 KB |
Output is correct |
| 59 |
Correct |
94 ms |
20152 KB |
Output is correct |
| 60 |
Correct |
130 ms |
24972 KB |
Output is correct |
| 61 |
Correct |
137 ms |
28580 KB |
Output is correct |
| 62 |
Correct |
168 ms |
31468 KB |
Output is correct |
| 63 |
Correct |
195 ms |
37732 KB |
Output is correct |
| 64 |
Correct |
237 ms |
39308 KB |
Output is correct |
| 65 |
Correct |
95 ms |
33356 KB |
Output is correct |
| 66 |
Correct |
90 ms |
33336 KB |
Output is correct |
| 67 |
Correct |
93 ms |
33336 KB |
Output is correct |
| 68 |
Correct |
161 ms |
37452 KB |
Output is correct |
| 69 |
Correct |
179 ms |
37944 KB |
Output is correct |
| 70 |
Correct |
177 ms |
37920 KB |
Output is correct |
| 71 |
Correct |
235 ms |
53776 KB |
Output is correct |
| 72 |
Correct |
219 ms |
53924 KB |
Output is correct |
| 73 |
Correct |
197 ms |
50140 KB |
Output is correct |
| 74 |
Correct |
199 ms |
50340 KB |
Output is correct |
| 75 |
Correct |
188 ms |
49004 KB |
Output is correct |
| 76 |
Correct |
210 ms |
48832 KB |
Output is correct |
| 77 |
Correct |
198 ms |
47648 KB |
Output is correct |
| 78 |
Correct |
199 ms |
46484 KB |
Output is correct |
| 79 |
Correct |
199 ms |
51312 KB |
Output is correct |
