oj.uz

Submission #1004676

# Submission time Handle Problem Language Result Execution time Memory
1004676 2024-06-21T12:18:39 Z Trisanu_Das Jobs (BOI24_jobs) C++17
40 / 100
 82 ms 58564 KB 
#include <bits/stdc++.h>
using namespace std;
 
vector<long long> x;
vector<vector<int> > c;
vector<pair<long long, long long> > res;
 
long long dfs(int a) {
	long long sum = x[a];
	for(int i = 0; i < c[a].size(); i++) sum += dfs(c[a][i]);
	return max(sum, 0ll);
}
 
void dfs2(int a, long long pr, long long mp, long long lo) {
	long long nex = pr + x[a];
	if(nex > mp) res.push_back({lo - mp, nex - mp});
	for(int i = 0; i < c[a].size(); i++) dfs2(c[a][i], nex, max(mp, nex), min(lo, nex));
}
 
int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	int n, a; long long s;
	cin >> n >> s;
	x.resize(n + 1);
	c.resize(n + 1);
	x[0] = 0ll;
	for(int i = 1; i <= n; i++){
		cin >> x[i] >> a;
		c[a].push_back(i);
	}
	if(s == 1e18) cout << dfs(0) << '\n';
	else {
		long long ans = 0;
		for(int i = 0; i < c[0].size(); i++) dfs2(c[0][i], 0ll, 0ll, 0ll);
		sort(res.begin(), res.end(), greater<pair<long long, long long> >());
		for(int i = 0; i < res.size(); i++){
			if(res[i].first + s < 0) break;
			s += res[i].second;
			ans += res[i].second;
		}
		cout << ans << '\n';
	}
}

Compilation message

Main.cpp: In function 'long long int dfs(int)':
Main.cpp:10:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |  for(int i = 0; i < c[a].size(); i++) sum += dfs(c[a][i]);
      |                 ~~^~~~~~~~~~~~~
Main.cpp: In function 'void dfs2(int, long long int, long long int, long long int)':
Main.cpp:17:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  for(int i = 0; i < c[a].size(); i++) dfs2(c[a][i], nex, max(mp, nex), min(lo, nex));
      |                 ~~^~~~~~~~~~~~~
Main.cpp: In function 'int main()':
Main.cpp:34:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |   for(int i = 0; i < c[0].size(); i++) dfs2(c[0][i], 0ll, 0ll, 0ll);
      |                  ~~^~~~~~~~~~~~~
Main.cpp:36:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |   for(int i = 0; i < res.size(); i++){
      |                  ~~^~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 21840 KB Output is correct
2 Correct 61 ms 20504 KB Output is correct
3 Correct 54 ms 19792 KB Output is correct
4 Correct 64 ms 25940 KB Output is correct
5 Correct 58 ms 28056 KB Output is correct
6 Correct 41 ms 14052 KB Output is correct
7 Correct 61 ms 20564 KB Output is correct
8 Correct 66 ms 20680 KB Output is correct
9 Correct 52 ms 25680 KB Output is correct
10 Correct 54 ms 27728 KB Output is correct
11 Correct 73 ms 21844 KB Output is correct
12 Correct 65 ms 18260 KB Output is correct
13 Correct 70 ms 21840 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 832 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 572 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 860 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 0 ms 604 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 1 ms 600 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 832 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 572 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 860 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 0 ms 604 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 1 ms 600 KB Output is correct
29 Correct 62 ms 27076 KB Output is correct
30 Correct 58 ms 26308 KB Output is correct
31 Correct 52 ms 22592 KB Output is correct
32 Correct 82 ms 57964 KB Output is correct
33 Correct 71 ms 43788 KB Output is correct
34 Correct 60 ms 36384 KB Output is correct
35 Correct 31 ms 14028 KB Output is correct
36 Correct 62 ms 30240 KB Output is correct
37 Correct 66 ms 28108 KB Output is correct
38 Correct 72 ms 58056 KB Output is correct
39 Correct 67 ms 44488 KB Output is correct
40 Correct 60 ms 33220 KB Output is correct
41 Correct 52 ms 26064 KB Output is correct
42 Correct 31 ms 17620 KB Output is correct
43 Correct 62 ms 35528 KB Output is correct
44 Correct 78 ms 58564 KB Output is correct
45 Correct 66 ms 44224 KB Output is correct
46 Correct 57 ms 35784 KB Output is correct
47 Correct 57 ms 26048 KB Output is correct
48 Correct 60 ms 25380 KB Output is correct
49 Correct 65 ms 27844 KB Output is correct
50 Correct 74 ms 58560 KB Output is correct
51 Correct 43 ms 32844 KB Output is correct
52 Correct 56 ms 32964 KB Output is correct
53 Correct 41 ms 26064 KB Output is correct
54 Correct 56 ms 24520 KB Output is correct
55 Correct 63 ms 27904 KB Output is correct
56 Correct 68 ms 58564 KB Output is correct
57 Correct 67 ms 43704 KB Output is correct
58 Correct 52 ms 32964 KB Output is correct
59 Correct 56 ms 31364 KB Output is correct
60 Correct 55 ms 24648 KB Output is correct
61 Correct 60 ms 35532 KB Output is correct
62 Correct 60 ms 35008 KB Output is correct

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 832 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 572 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 860 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 0 ms 604 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 1 ms 600 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 568 KB Output is correct
32 Correct 0 ms 604 KB Output is correct
33 Incorrect 1 ms 348 KB Output isn't correct
34 Halted 0 ms 0 KB -

Subtask #5
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 21840 KB Output is correct
2 Correct 61 ms 20504 KB Output is correct
3 Correct 54 ms 19792 KB Output is correct
4 Correct 64 ms 25940 KB Output is correct
5 Correct 58 ms 28056 KB Output is correct
6 Correct 41 ms 14052 KB Output is correct
7 Correct 61 ms 20564 KB Output is correct
8 Correct 66 ms 20680 KB Output is correct
9 Correct 52 ms 25680 KB Output is correct
10 Correct 54 ms 27728 KB Output is correct
11 Correct 73 ms 21844 KB Output is correct
12 Correct 65 ms 18260 KB Output is correct
13 Correct 70 ms 21840 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 832 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 1 ms 572 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 860 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 0 ms 604 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 1 ms 600 KB Output is correct
42 Correct 62 ms 27076 KB Output is correct
43 Correct 58 ms 26308 KB Output is correct
44 Correct 52 ms 22592 KB Output is correct
45 Correct 82 ms 57964 KB Output is correct
46 Correct 71 ms 43788 KB Output is correct
47 Correct 60 ms 36384 KB Output is correct
48 Correct 31 ms 14028 KB Output is correct
49 Correct 62 ms 30240 KB Output is correct
50 Correct 66 ms 28108 KB Output is correct
51 Correct 72 ms 58056 KB Output is correct
52 Correct 67 ms 44488 KB Output is correct
53 Correct 60 ms 33220 KB Output is correct
54 Correct 52 ms 26064 KB Output is correct
55 Correct 31 ms 17620 KB Output is correct
56 Correct 62 ms 35528 KB Output is correct
57 Correct 78 ms 58564 KB Output is correct
58 Correct 66 ms 44224 KB Output is correct
59 Correct 57 ms 35784 KB Output is correct
60 Correct 57 ms 26048 KB Output is correct
61 Correct 60 ms 25380 KB Output is correct
62 Correct 65 ms 27844 KB Output is correct
63 Correct 74 ms 58560 KB Output is correct
64 Correct 43 ms 32844 KB Output is correct
65 Correct 56 ms 32964 KB Output is correct
66 Correct 41 ms 26064 KB Output is correct
67 Correct 56 ms 24520 KB Output is correct
68 Correct 63 ms 27904 KB Output is correct
69 Correct 68 ms 58564 KB Output is correct
70 Correct 67 ms 43704 KB Output is correct
71 Correct 52 ms 32964 KB Output is correct
72 Correct 56 ms 31364 KB Output is correct
73 Correct 55 ms 24648 KB Output is correct
74 Correct 60 ms 35532 KB Output is correct
75 Correct 60 ms 35008 KB Output is correct
76 Correct 0 ms 344 KB Output is correct
77 Correct 1 ms 604 KB Output is correct
78 Correct 1 ms 568 KB Output is correct
79 Correct 0 ms 604 KB Output is correct
80 Incorrect 1 ms 348 KB Output isn't correct
81 Halted 0 ms 0 KB -