Submission #140568

# Submission time Handle Problem Language Result Execution time Memory
140568 2019-08-03T14:54:07 Z eriksuenderhauf Fireworks (APIO16_fireworks) C++11
100 / 100
263 ms 67172 KB
//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
#define mem(a,v) memset((a), (v), sizeof (a))
#define enl printf("\n")
#define case(t) printf("Case #%d: ", (t))
#define ni(n) scanf("%d", &(n))
#define nl(n) scanf("%lld", &(n))
#define nai(a, n) for (int i = 0; i < (n); i++) ni(a[i])
#define nal(a, n) for (int i = 0; i < (n); i++) nl(a[i])
#define pri(n) printf("%d\n", (n))
#define prl(n) printf("%lld\n", (n))
#define pii pair<int, int>
#define pil pair<int, long long>
#define pll pair<long long, long long>
#define vii vector<pii>
#define vil vector<pil>
#define vll vector<pll>
#define vi vector<int>
#define vl vector<long long>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef cc_hash_table<int,int,hash<int>> ht;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> oset;
const double pi = acos(-1);
const int MOD = 1e9 + 7;
const int INF = 1e9 + 7;
const int MAXN = 1e6 + 5;
const double eps = 1e-9;
priority_queue<ll> pq[MAXN];
int par[MAXN];
ll a[MAXN], b[MAXN], w[MAXN];

void merge(int p, int u) {
	if (pq[p].size() < pq[u].size()) swap(pq[p], pq[u]);
	while (!pq[u].empty()) {
		pq[p].push(pq[u].top());
		pq[u].pop();
	}
	a[p] += a[u]; b[p] += b[u];
}

int main() {
	int n, m; scanf("%d %d", &n, &m);
	for (int i = 2; i <= n+m; i++)
		scanf("%d %lld", par+i, w+i);
	for (int i = n+m; i > n; i--) {
		pq[i].push(w[i]);
		pq[i].push(w[i]);
		a[i] = 1;
		b[i] = -w[i];
		merge(par[i], i);
	}
	for (int i = n; i > 1; i--) {
		while (a[i] > 1) {
			a[i]--;
			b[i] += pq[i].top();
			pq[i].pop();
		}
		ll x = pq[i].top(); pq[i].pop();
		ll y = pq[i].top(); pq[i].pop();
		x += w[i], y += w[i];
		pq[i].push(x); pq[i].push(y);
		b[i] -= w[i];
		merge(par[i], i);
	}
	while (a[1] > 0) {
		a[1]--;
		b[1] += pq[1].top();
		pq[1].pop();
	}
	prl(b[1]);
	return 0;
}

Compilation message

fireworks.cpp: In function 'int main()':
fireworks.cpp:51:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int n, m; scanf("%d %d", &n, &m);
            ~~~~~^~~~~~~~~~~~~~~~~
fireworks.cpp:53:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %lld", par+i, w+i);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 30 ms 31608 KB Output is correct
2 Correct 30 ms 31608 KB Output is correct
3 Correct 30 ms 31608 KB Output is correct
4 Correct 31 ms 31608 KB Output is correct
5 Correct 30 ms 31736 KB Output is correct
6 Correct 30 ms 31608 KB Output is correct
7 Correct 31 ms 31764 KB Output is correct
8 Correct 31 ms 31736 KB Output is correct
9 Correct 31 ms 31736 KB Output is correct
10 Correct 30 ms 31712 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 30 ms 31580 KB Output is correct
2 Correct 30 ms 31608 KB Output is correct
3 Correct 30 ms 31608 KB Output is correct
4 Correct 30 ms 31608 KB Output is correct
5 Correct 30 ms 31644 KB Output is correct
6 Correct 31 ms 31608 KB Output is correct
7 Correct 30 ms 31608 KB Output is correct
8 Correct 30 ms 31736 KB Output is correct
9 Correct 30 ms 31736 KB Output is correct
10 Correct 31 ms 31608 KB Output is correct
11 Correct 31 ms 31736 KB Output is correct
12 Correct 30 ms 31608 KB Output is correct
13 Correct 31 ms 31708 KB Output is correct
14 Correct 31 ms 31612 KB Output is correct
15 Correct 30 ms 31608 KB Output is correct
16 Correct 30 ms 31608 KB Output is correct
17 Correct 30 ms 31736 KB Output is correct
18 Correct 30 ms 31608 KB Output is correct
19 Correct 31 ms 31608 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 30 ms 31608 KB Output is correct
2 Correct 30 ms 31608 KB Output is correct
3 Correct 30 ms 31608 KB Output is correct
4 Correct 31 ms 31608 KB Output is correct
5 Correct 30 ms 31736 KB Output is correct
6 Correct 30 ms 31608 KB Output is correct
7 Correct 31 ms 31764 KB Output is correct
8 Correct 31 ms 31736 KB Output is correct
9 Correct 31 ms 31736 KB Output is correct
10 Correct 30 ms 31712 KB Output is correct
11 Correct 30 ms 31580 KB Output is correct
12 Correct 30 ms 31608 KB Output is correct
13 Correct 30 ms 31608 KB Output is correct
14 Correct 30 ms 31608 KB Output is correct
15 Correct 30 ms 31644 KB Output is correct
16 Correct 31 ms 31608 KB Output is correct
17 Correct 30 ms 31608 KB Output is correct
18 Correct 30 ms 31736 KB Output is correct
19 Correct 30 ms 31736 KB Output is correct
20 Correct 31 ms 31608 KB Output is correct
21 Correct 31 ms 31736 KB Output is correct
22 Correct 30 ms 31608 KB Output is correct
23 Correct 31 ms 31708 KB Output is correct
24 Correct 31 ms 31612 KB Output is correct
25 Correct 30 ms 31608 KB Output is correct
26 Correct 30 ms 31608 KB Output is correct
27 Correct 30 ms 31736 KB Output is correct
28 Correct 30 ms 31608 KB Output is correct
29 Correct 31 ms 31608 KB Output is correct
30 Correct 31 ms 31736 KB Output is correct
31 Correct 31 ms 31736 KB Output is correct
32 Correct 31 ms 31736 KB Output is correct
33 Correct 31 ms 31752 KB Output is correct
34 Correct 32 ms 31864 KB Output is correct
35 Correct 33 ms 31864 KB Output is correct
36 Correct 33 ms 31992 KB Output is correct
37 Correct 33 ms 31992 KB Output is correct
38 Correct 34 ms 31992 KB Output is correct
39 Correct 36 ms 32072 KB Output is correct
40 Correct 32 ms 31864 KB Output is correct
41 Correct 39 ms 31864 KB Output is correct
42 Correct 37 ms 31916 KB Output is correct
43 Correct 34 ms 31992 KB Output is correct
44 Correct 34 ms 31944 KB Output is correct
45 Correct 33 ms 31992 KB Output is correct
46 Correct 34 ms 32248 KB Output is correct
47 Correct 34 ms 32176 KB Output is correct
48 Correct 34 ms 32120 KB Output is correct
49 Correct 34 ms 32120 KB Output is correct
50 Correct 41 ms 32120 KB Output is correct
51 Correct 33 ms 32124 KB Output is correct
52 Correct 33 ms 32120 KB Output is correct
53 Correct 33 ms 32120 KB Output is correct
54 Correct 37 ms 32120 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 30 ms 31608 KB Output is correct
2 Correct 30 ms 31608 KB Output is correct
3 Correct 30 ms 31608 KB Output is correct
4 Correct 31 ms 31608 KB Output is correct
5 Correct 30 ms 31736 KB Output is correct
6 Correct 30 ms 31608 KB Output is correct
7 Correct 31 ms 31764 KB Output is correct
8 Correct 31 ms 31736 KB Output is correct
9 Correct 31 ms 31736 KB Output is correct
10 Correct 30 ms 31712 KB Output is correct
11 Correct 30 ms 31580 KB Output is correct
12 Correct 30 ms 31608 KB Output is correct
13 Correct 30 ms 31608 KB Output is correct
14 Correct 30 ms 31608 KB Output is correct
15 Correct 30 ms 31644 KB Output is correct
16 Correct 31 ms 31608 KB Output is correct
17 Correct 30 ms 31608 KB Output is correct
18 Correct 30 ms 31736 KB Output is correct
19 Correct 30 ms 31736 KB Output is correct
20 Correct 31 ms 31608 KB Output is correct
21 Correct 31 ms 31736 KB Output is correct
22 Correct 30 ms 31608 KB Output is correct
23 Correct 31 ms 31708 KB Output is correct
24 Correct 31 ms 31612 KB Output is correct
25 Correct 30 ms 31608 KB Output is correct
26 Correct 30 ms 31608 KB Output is correct
27 Correct 30 ms 31736 KB Output is correct
28 Correct 30 ms 31608 KB Output is correct
29 Correct 31 ms 31608 KB Output is correct
30 Correct 31 ms 31736 KB Output is correct
31 Correct 31 ms 31736 KB Output is correct
32 Correct 31 ms 31736 KB Output is correct
33 Correct 31 ms 31752 KB Output is correct
34 Correct 32 ms 31864 KB Output is correct
35 Correct 33 ms 31864 KB Output is correct
36 Correct 33 ms 31992 KB Output is correct
37 Correct 33 ms 31992 KB Output is correct
38 Correct 34 ms 31992 KB Output is correct
39 Correct 36 ms 32072 KB Output is correct
40 Correct 32 ms 31864 KB Output is correct
41 Correct 39 ms 31864 KB Output is correct
42 Correct 37 ms 31916 KB Output is correct
43 Correct 34 ms 31992 KB Output is correct
44 Correct 34 ms 31944 KB Output is correct
45 Correct 33 ms 31992 KB Output is correct
46 Correct 34 ms 32248 KB Output is correct
47 Correct 34 ms 32176 KB Output is correct
48 Correct 34 ms 32120 KB Output is correct
49 Correct 34 ms 32120 KB Output is correct
50 Correct 41 ms 32120 KB Output is correct
51 Correct 33 ms 32124 KB Output is correct
52 Correct 33 ms 32120 KB Output is correct
53 Correct 33 ms 32120 KB Output is correct
54 Correct 37 ms 32120 KB Output is correct
55 Correct 39 ms 32632 KB Output is correct
56 Correct 60 ms 35688 KB Output is correct
57 Correct 85 ms 38460 KB Output is correct
58 Correct 100 ms 40376 KB Output is correct
59 Correct 123 ms 42964 KB Output is correct
60 Correct 148 ms 45684 KB Output is correct
61 Correct 181 ms 48240 KB Output is correct
62 Correct 183 ms 49720 KB Output is correct
63 Correct 215 ms 53240 KB Output is correct
64 Correct 229 ms 53996 KB Output is correct
65 Correct 126 ms 44664 KB Output is correct
66 Correct 123 ms 44788 KB Output is correct
67 Correct 123 ms 44788 KB Output is correct
68 Correct 197 ms 51564 KB Output is correct
69 Correct 219 ms 52168 KB Output is correct
70 Correct 219 ms 52104 KB Output is correct
71 Correct 263 ms 67112 KB Output is correct
72 Correct 262 ms 67172 KB Output is correct
73 Correct 229 ms 63560 KB Output is correct
74 Correct 239 ms 64004 KB Output is correct
75 Correct 233 ms 62440 KB Output is correct
76 Correct 234 ms 62552 KB Output is correct
77 Correct 244 ms 61972 KB Output is correct
78 Correct 247 ms 61416 KB Output is correct
79 Correct 233 ms 59308 KB Output is correct