#include <bits/stdc++.h>
using namespace std;
template <class T>
inline bool mnto(T& a, T b) {return a > b ? a = b, 1 : 0;}
template <class T>
inline bool mxto(T& a, T b) {return a < b ? a = b, 1: 0;}
#define REP(i, s, e) for (int i = s; i < e; i++)
#define RREP(i, s, e) for (int i = s; i >= e; i--)
typedef long long ll;
typedef long double ld;
#define MP make_pair
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
#define MT make_tuple
typedef tuple<int, int, int> iii;
#define ALL(_a) _a.begin(), _a.end()
#define pb emplace_back
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;
#define INF 1000000005
#define LINF 1000000000000000005
#define MOD 1000000007
#define MAXN 200005
int n;
int h[MAXN], c[MAXN];
vi adj[MAXN];
map<int, ll> incre[MAXN];
ll ans;
void dp(int u) {
for (int v : adj[u]) {
dp(v);
if (incre[v].size() > incre[u].size()) swap(incre[v], incre[u]);
for (auto i : incre[v]) {
incre[u][i.FI] += i.SE;
}
}
auto lower = incre[u].lower_bound(h[u]);
if (lower != incre[u].begin()) {
lower = prev(lower);
int remc = c[u];
while (1) {
//printf("%d %lld\n", lower -> FI, lower -> SE);
ll take = min((ll) remc, lower -> SE);
lower -> SE -= take;
remc -= take;
if (lower -> SE == 0) {
auto tmp = lower;
bool hv = 0;
if (tmp != incre[u].begin()) {
tmp = prev(tmp);
hv = 1;
}
incre[u].erase(lower);
if (!hv) {
break;
} else {
lower = tmp;
}
} else {
break;
}
}
}
incre[u][h[u]] += c[u];
//printf("%d:\n", u);
//for (auto i : incre[u]) {
//printf(" %d %lld\n", i.FI, i.SE);
//}
}
int main() {
scanf("%d", &n);
REP (i, 1, n + 1) {
int a; scanf("%d%d%d", &a, &h[i], &c[i]);
ans += c[i];
if (a != i) adj[a].pb(i);
}
dp(1);
for (auto i : incre[1]) {
ans -= i.SE;
}
printf("%lld\n", ans);
return 0;
}
/*
4
1 3 4
1 1 2
2 0 3
3 2 1
*/
Compilation message
worst_reporter2.cpp: In function 'int main()':
worst_reporter2.cpp:79:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
79 | scanf("%d", &n);
| ~~~~~^~~~~~~~~~
worst_reporter2.cpp:81:15: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
81 | int a; scanf("%d%d%d", &a, &h[i], &c[i]);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
14284 KB |
Output is correct |
2 |
Correct |
10 ms |
14336 KB |
Output is correct |
3 |
Correct |
10 ms |
14336 KB |
Output is correct |
4 |
Correct |
9 ms |
14392 KB |
Output is correct |
5 |
Correct |
15 ms |
15416 KB |
Output is correct |
6 |
Correct |
14 ms |
15044 KB |
Output is correct |
7 |
Correct |
13 ms |
14836 KB |
Output is correct |
8 |
Correct |
16 ms |
15500 KB |
Output is correct |
9 |
Correct |
14 ms |
14924 KB |
Output is correct |
10 |
Correct |
13 ms |
14796 KB |
Output is correct |
11 |
Correct |
13 ms |
14668 KB |
Output is correct |
12 |
Correct |
14 ms |
15200 KB |
Output is correct |
13 |
Correct |
13 ms |
15236 KB |
Output is correct |
14 |
Correct |
13 ms |
14960 KB |
Output is correct |
15 |
Correct |
13 ms |
14952 KB |
Output is correct |
16 |
Correct |
16 ms |
15816 KB |
Output is correct |
17 |
Correct |
14 ms |
15200 KB |
Output is correct |
18 |
Correct |
12 ms |
14672 KB |
Output is correct |
19 |
Correct |
14 ms |
15180 KB |
Output is correct |
20 |
Correct |
12 ms |
14924 KB |
Output is correct |
21 |
Correct |
12 ms |
14924 KB |
Output is correct |
22 |
Correct |
13 ms |
15072 KB |
Output is correct |
23 |
Correct |
12 ms |
14736 KB |
Output is correct |
24 |
Correct |
14 ms |
15180 KB |
Output is correct |
25 |
Correct |
15 ms |
15044 KB |
Output is correct |
26 |
Correct |
27 ms |
15180 KB |
Output is correct |
27 |
Correct |
14 ms |
15216 KB |
Output is correct |
28 |
Correct |
16 ms |
15180 KB |
Output is correct |
29 |
Correct |
14 ms |
15308 KB |
Output is correct |
30 |
Correct |
14 ms |
15308 KB |
Output is correct |
31 |
Correct |
14 ms |
15404 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
14284 KB |
Output is correct |
2 |
Correct |
10 ms |
14336 KB |
Output is correct |
3 |
Correct |
10 ms |
14336 KB |
Output is correct |
4 |
Correct |
9 ms |
14392 KB |
Output is correct |
5 |
Correct |
15 ms |
15416 KB |
Output is correct |
6 |
Correct |
14 ms |
15044 KB |
Output is correct |
7 |
Correct |
13 ms |
14836 KB |
Output is correct |
8 |
Correct |
16 ms |
15500 KB |
Output is correct |
9 |
Correct |
14 ms |
14924 KB |
Output is correct |
10 |
Correct |
13 ms |
14796 KB |
Output is correct |
11 |
Correct |
13 ms |
14668 KB |
Output is correct |
12 |
Correct |
14 ms |
15200 KB |
Output is correct |
13 |
Correct |
13 ms |
15236 KB |
Output is correct |
14 |
Correct |
13 ms |
14960 KB |
Output is correct |
15 |
Correct |
13 ms |
14952 KB |
Output is correct |
16 |
Correct |
16 ms |
15816 KB |
Output is correct |
17 |
Correct |
14 ms |
15200 KB |
Output is correct |
18 |
Correct |
12 ms |
14672 KB |
Output is correct |
19 |
Correct |
14 ms |
15180 KB |
Output is correct |
20 |
Correct |
12 ms |
14924 KB |
Output is correct |
21 |
Correct |
12 ms |
14924 KB |
Output is correct |
22 |
Correct |
13 ms |
15072 KB |
Output is correct |
23 |
Correct |
12 ms |
14736 KB |
Output is correct |
24 |
Correct |
14 ms |
15180 KB |
Output is correct |
25 |
Correct |
15 ms |
15044 KB |
Output is correct |
26 |
Correct |
27 ms |
15180 KB |
Output is correct |
27 |
Correct |
14 ms |
15216 KB |
Output is correct |
28 |
Correct |
16 ms |
15180 KB |
Output is correct |
29 |
Correct |
14 ms |
15308 KB |
Output is correct |
30 |
Correct |
14 ms |
15308 KB |
Output is correct |
31 |
Correct |
14 ms |
15404 KB |
Output is correct |
32 |
Correct |
16 ms |
15436 KB |
Output is correct |
33 |
Correct |
392 ms |
73600 KB |
Output is correct |
34 |
Correct |
321 ms |
48740 KB |
Output is correct |
35 |
Correct |
386 ms |
70504 KB |
Output is correct |
36 |
Correct |
313 ms |
48968 KB |
Output is correct |
37 |
Correct |
218 ms |
29680 KB |
Output is correct |
38 |
Correct |
187 ms |
25400 KB |
Output is correct |
39 |
Correct |
173 ms |
50360 KB |
Output is correct |
40 |
Correct |
158 ms |
50884 KB |
Output is correct |
41 |
Correct |
121 ms |
50884 KB |
Output is correct |
42 |
Correct |
170 ms |
36852 KB |
Output is correct |
43 |
Correct |
156 ms |
36748 KB |
Output is correct |
44 |
Correct |
359 ms |
99084 KB |
Output is correct |
45 |
Correct |
258 ms |
63360 KB |
Output is correct |
46 |
Correct |
109 ms |
25804 KB |
Output is correct |
47 |
Correct |
270 ms |
46836 KB |
Output is correct |
48 |
Correct |
140 ms |
39984 KB |
Output is correct |
49 |
Correct |
114 ms |
39812 KB |
Output is correct |
50 |
Correct |
304 ms |
42372 KB |
Output is correct |
51 |
Correct |
113 ms |
29708 KB |
Output is correct |
52 |
Correct |
307 ms |
47720 KB |
Output is correct |
53 |
Correct |
133 ms |
40432 KB |
Output is correct |
54 |
Correct |
132 ms |
50812 KB |
Output is correct |
55 |
Correct |
226 ms |
49292 KB |
Output is correct |
56 |
Correct |
207 ms |
55264 KB |
Output is correct |
57 |
Correct |
186 ms |
58256 KB |
Output is correct |
58 |
Correct |
220 ms |
55552 KB |
Output is correct |
59 |
Correct |
225 ms |
55528 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
14284 KB |
Output is correct |
2 |
Correct |
10 ms |
14336 KB |
Output is correct |
3 |
Correct |
10 ms |
14336 KB |
Output is correct |
4 |
Correct |
9 ms |
14392 KB |
Output is correct |
5 |
Correct |
15 ms |
15416 KB |
Output is correct |
6 |
Correct |
14 ms |
15044 KB |
Output is correct |
7 |
Correct |
13 ms |
14836 KB |
Output is correct |
8 |
Correct |
16 ms |
15500 KB |
Output is correct |
9 |
Correct |
14 ms |
14924 KB |
Output is correct |
10 |
Correct |
13 ms |
14796 KB |
Output is correct |
11 |
Correct |
13 ms |
14668 KB |
Output is correct |
12 |
Correct |
14 ms |
15200 KB |
Output is correct |
13 |
Correct |
13 ms |
15236 KB |
Output is correct |
14 |
Correct |
13 ms |
14960 KB |
Output is correct |
15 |
Correct |
13 ms |
14952 KB |
Output is correct |
16 |
Correct |
16 ms |
15816 KB |
Output is correct |
17 |
Correct |
14 ms |
15200 KB |
Output is correct |
18 |
Correct |
12 ms |
14672 KB |
Output is correct |
19 |
Correct |
14 ms |
15180 KB |
Output is correct |
20 |
Correct |
12 ms |
14924 KB |
Output is correct |
21 |
Correct |
12 ms |
14924 KB |
Output is correct |
22 |
Correct |
13 ms |
15072 KB |
Output is correct |
23 |
Correct |
12 ms |
14736 KB |
Output is correct |
24 |
Correct |
14 ms |
15180 KB |
Output is correct |
25 |
Correct |
15 ms |
15044 KB |
Output is correct |
26 |
Correct |
27 ms |
15180 KB |
Output is correct |
27 |
Correct |
14 ms |
15216 KB |
Output is correct |
28 |
Correct |
16 ms |
15180 KB |
Output is correct |
29 |
Correct |
14 ms |
15308 KB |
Output is correct |
30 |
Correct |
14 ms |
15308 KB |
Output is correct |
31 |
Correct |
14 ms |
15404 KB |
Output is correct |
32 |
Correct |
16 ms |
15436 KB |
Output is correct |
33 |
Correct |
392 ms |
73600 KB |
Output is correct |
34 |
Correct |
321 ms |
48740 KB |
Output is correct |
35 |
Correct |
386 ms |
70504 KB |
Output is correct |
36 |
Correct |
313 ms |
48968 KB |
Output is correct |
37 |
Correct |
218 ms |
29680 KB |
Output is correct |
38 |
Correct |
187 ms |
25400 KB |
Output is correct |
39 |
Correct |
173 ms |
50360 KB |
Output is correct |
40 |
Correct |
158 ms |
50884 KB |
Output is correct |
41 |
Correct |
121 ms |
50884 KB |
Output is correct |
42 |
Correct |
170 ms |
36852 KB |
Output is correct |
43 |
Correct |
156 ms |
36748 KB |
Output is correct |
44 |
Correct |
359 ms |
99084 KB |
Output is correct |
45 |
Correct |
258 ms |
63360 KB |
Output is correct |
46 |
Correct |
109 ms |
25804 KB |
Output is correct |
47 |
Correct |
270 ms |
46836 KB |
Output is correct |
48 |
Correct |
140 ms |
39984 KB |
Output is correct |
49 |
Correct |
114 ms |
39812 KB |
Output is correct |
50 |
Correct |
304 ms |
42372 KB |
Output is correct |
51 |
Correct |
113 ms |
29708 KB |
Output is correct |
52 |
Correct |
307 ms |
47720 KB |
Output is correct |
53 |
Correct |
133 ms |
40432 KB |
Output is correct |
54 |
Correct |
132 ms |
50812 KB |
Output is correct |
55 |
Correct |
226 ms |
49292 KB |
Output is correct |
56 |
Correct |
207 ms |
55264 KB |
Output is correct |
57 |
Correct |
186 ms |
58256 KB |
Output is correct |
58 |
Correct |
220 ms |
55552 KB |
Output is correct |
59 |
Correct |
225 ms |
55528 KB |
Output is correct |
60 |
Runtime error |
246 ms |
524292 KB |
Execution killed with signal 9 |
61 |
Halted |
0 ms |
0 KB |
- |