oj.uz

Submission #208728

# Submission time Handle Problem Language Result Execution time Memory
208728 2020-03-12T05:39:12 Z junodeveloper Fireworks (APIO16_fireworks) C++17
100 / 100
 295 ms 63992 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define sz(x) ((int)x.size())
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define fi first
#define se second
#define mset(x,y) memset(x,y,sizeof(x))
#define rep(i,a,b) for(int i(a);i<=(b);i++)
#define repr(i,a,b) for(int i(a);i>=(b);i--)
using namespace std;
#ifdef LOCAL
#define dmp(...) _dmp(#__VA_ARGS__, __VA_ARGS__)
#else
#define dmp(...) (__VA_ARGS__)
#endif
template<class TH> void _dmp(const char *sdbg, TH h){cout<<sdbg<<"="<<h<<endl;}
template<class TH, class... TA> void _dmp(const char *sdbg, TH h, TA...a){
while(*sdbg!=',')cout<<*sdbg++;cout<<"="<<h<<","; _dmp(sdbg+1, a...);
}
using namespace __gnu_pbds;
using ordered_set = tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
int n,m;
int p[300010],c[300010];
ll ans[300010],up[300010];
vi adj[300010];
priority_queue<ll>* pq[300010];
void merge(int u,int v) {
	while(!pq[v]->empty()) {
		pq[u]->push(pq[v]->top());
		pq[v]->pop();
	}
	ans[u]+=ans[v];
}
void adjust(int u) {
	up[u]+=c[u];
	ll top=pq[u]->top();
	pq[u]->pop();
	pq[u]->push(top+c[u]);
}
void debug(int u) {
	priority_queue<ll> b;
	cout<<"u:"<<u<<",ans:"<<ans[u]<<",up:"<<up[u]<<",pq:";
	while(!pq[u]->empty())b.push(pq[u]->top()),pq[u]->pop();
	while(!b.empty()) {
		ll it=b.top();b.pop();
		cout<<it<<' ';
		pq[u]->push(it);
	}cout<<endl;
}
void solve(int u) {
	if(adj[u].empty()) {
		pq[u]=new priority_queue<ll>();
		pq[u]->push(0);
		up[u]=0;
		return;
	}
	int mx=-1,id=0;
	vector<ll> ups;
	for(auto& it:adj[u]) {
		solve(it);
		adjust(it);
		if(mx<sz((*pq[it]))) {
			mx=sz((*pq[it]));
			id=it;
		}
		ups.pb(up[it]);
	}
	for(auto& it:adj[u]) {
		if(it==id)continue;
		merge(id,it);
	}
	pq[u]=pq[id];
	ans[u]=ans[id];
	up[u]=up[id];
	sort(all(ups));reverse(all(ups));
	up[u]=1e18;
	for(auto& it:ups) {
		if(it>=pq[id]->top()) {
			up[u]=it;
		} else {
			ans[u]+=pq[id]->top()-it;
			up[u]=pq[id]->top();
			pq[id]->pop();
			pq[id]->push(it);
		}
	}
	//debug(u);
}
void MAIN() {
	int i,j;
	cin>>n>>m;
	for(i=2;i<=n+m;i++) {
		cin>>p[i]>>c[i];
		adj[p[i]].pb(i);
	}
	solve(1);
	cout<<ans[1];
}
int main() {
	ios::sync_with_stdio(false);cin.tie(0);
	int T=1;
	//cin>>T;
	for(int tt=1;tt<=T;tt++) {
		MAIN();
	}
	return 0;
}

Compilation message

fireworks.cpp: In function 'void _dmp(const char*, TH, TA ...)':
fireworks.cpp:20:1: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
 while(*sdbg!=',')cout<<*sdbg++;cout<<"="<<h<<","; _dmp(sdbg+1, a...);
 ^~~~~
fireworks.cpp:20:32: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
 while(*sdbg!=',')cout<<*sdbg++;cout<<"="<<h<<","; _dmp(sdbg+1, a...);
                                ^~~~
fireworks.cpp: In function 'void MAIN()':
fireworks.cpp:97:8: warning: unused variable 'j' [-Wunused-variable]
  int i,j;
        ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7416 KB Output is correct
2 Correct 9 ms 7416 KB Output is correct
3 Correct 9 ms 7416 KB Output is correct
4 Correct 9 ms 7416 KB Output is correct
5 Correct 9 ms 7416 KB Output is correct
6 Correct 9 ms 7420 KB Output is correct
7 Correct 9 ms 7416 KB Output is correct
8 Correct 9 ms 7416 KB Output is correct
9 Correct 9 ms 7416 KB Output is correct
10 Correct 9 ms 7416 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7416 KB Output is correct
2 Correct 9 ms 7416 KB Output is correct
3 Correct 9 ms 7416 KB Output is correct
4 Correct 9 ms 7416 KB Output is correct
5 Correct 11 ms 7420 KB Output is correct
6 Correct 9 ms 7416 KB Output is correct
7 Correct 9 ms 7416 KB Output is correct
8 Correct 9 ms 7416 KB Output is correct
9 Correct 9 ms 7416 KB Output is correct
10 Correct 10 ms 7416 KB Output is correct
11 Correct 9 ms 7416 KB Output is correct
12 Correct 9 ms 7416 KB Output is correct
13 Correct 9 ms 7416 KB Output is correct
14 Correct 9 ms 7416 KB Output is correct
15 Correct 9 ms 7420 KB Output is correct
16 Correct 9 ms 7416 KB Output is correct
17 Correct 9 ms 7416 KB Output is correct
18 Correct 9 ms 7416 KB Output is correct
19 Correct 9 ms 7416 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7416 KB Output is correct
2 Correct 9 ms 7416 KB Output is correct
3 Correct 9 ms 7416 KB Output is correct
4 Correct 9 ms 7416 KB Output is correct
5 Correct 9 ms 7416 KB Output is correct
6 Correct 9 ms 7420 KB Output is correct
7 Correct 9 ms 7416 KB Output is correct
8 Correct 9 ms 7416 KB Output is correct
9 Correct 9 ms 7416 KB Output is correct
10 Correct 9 ms 7416 KB Output is correct
11 Correct 9 ms 7416 KB Output is correct
12 Correct 9 ms 7416 KB Output is correct
13 Correct 9 ms 7416 KB Output is correct
14 Correct 9 ms 7416 KB Output is correct
15 Correct 11 ms 7420 KB Output is correct
16 Correct 9 ms 7416 KB Output is correct
17 Correct 9 ms 7416 KB Output is correct
18 Correct 9 ms 7416 KB Output is correct
19 Correct 9 ms 7416 KB Output is correct
20 Correct 10 ms 7416 KB Output is correct
21 Correct 9 ms 7416 KB Output is correct
22 Correct 9 ms 7416 KB Output is correct
23 Correct 9 ms 7416 KB Output is correct
24 Correct 9 ms 7416 KB Output is correct
25 Correct 9 ms 7420 KB Output is correct
26 Correct 9 ms 7416 KB Output is correct
27 Correct 9 ms 7416 KB Output is correct
28 Correct 9 ms 7416 KB Output is correct
29 Correct 9 ms 7416 KB Output is correct
30 Correct 11 ms 7416 KB Output is correct
31 Correct 12 ms 7544 KB Output is correct
32 Correct 10 ms 7672 KB Output is correct
33 Correct 11 ms 7672 KB Output is correct
34 Correct 11 ms 7672 KB Output is correct
35 Correct 12 ms 7800 KB Output is correct
36 Correct 10 ms 7800 KB Output is correct
37 Correct 12 ms 7928 KB Output is correct
38 Correct 12 ms 7928 KB Output is correct
39 Correct 12 ms 7928 KB Output is correct
40 Correct 11 ms 8316 KB Output is correct
41 Correct 11 ms 8312 KB Output is correct
42 Correct 11 ms 7804 KB Output is correct
43 Correct 12 ms 8184 KB Output is correct
44 Correct 13 ms 8184 KB Output is correct
45 Correct 12 ms 8176 KB Output is correct
46 Correct 12 ms 8184 KB Output is correct
47 Correct 12 ms 8184 KB Output is correct
48 Correct 12 ms 8056 KB Output is correct
49 Correct 12 ms 8184 KB Output is correct
50 Correct 12 ms 8056 KB Output is correct
51 Correct 12 ms 8056 KB Output is correct
52 Correct 12 ms 8060 KB Output is correct
53 Correct 12 ms 8056 KB Output is correct
54 Correct 12 ms 8184 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7416 KB Output is correct
2 Correct 9 ms 7416 KB Output is correct
3 Correct 9 ms 7416 KB Output is correct
4 Correct 9 ms 7416 KB Output is correct
5 Correct 9 ms 7416 KB Output is correct
6 Correct 9 ms 7420 KB Output is correct
7 Correct 9 ms 7416 KB Output is correct
8 Correct 9 ms 7416 KB Output is correct
9 Correct 9 ms 7416 KB Output is correct
10 Correct 9 ms 7416 KB Output is correct
11 Correct 9 ms 7416 KB Output is correct
12 Correct 9 ms 7416 KB Output is correct
13 Correct 9 ms 7416 KB Output is correct
14 Correct 9 ms 7416 KB Output is correct
15 Correct 11 ms 7420 KB Output is correct
16 Correct 9 ms 7416 KB Output is correct
17 Correct 9 ms 7416 KB Output is correct
18 Correct 9 ms 7416 KB Output is correct
19 Correct 9 ms 7416 KB Output is correct
20 Correct 10 ms 7416 KB Output is correct
21 Correct 9 ms 7416 KB Output is correct
22 Correct 9 ms 7416 KB Output is correct
23 Correct 9 ms 7416 KB Output is correct
24 Correct 9 ms 7416 KB Output is correct
25 Correct 9 ms 7420 KB Output is correct
26 Correct 9 ms 7416 KB Output is correct
27 Correct 9 ms 7416 KB Output is correct
28 Correct 9 ms 7416 KB Output is correct
29 Correct 9 ms 7416 KB Output is correct
30 Correct 11 ms 7416 KB Output is correct
31 Correct 12 ms 7544 KB Output is correct
32 Correct 10 ms 7672 KB Output is correct
33 Correct 11 ms 7672 KB Output is correct
34 Correct 11 ms 7672 KB Output is correct
35 Correct 12 ms 7800 KB Output is correct
36 Correct 10 ms 7800 KB Output is correct
37 Correct 12 ms 7928 KB Output is correct
38 Correct 12 ms 7928 KB Output is correct
39 Correct 12 ms 7928 KB Output is correct
40 Correct 11 ms 8316 KB Output is correct
41 Correct 11 ms 8312 KB Output is correct
42 Correct 11 ms 7804 KB Output is correct
43 Correct 12 ms 8184 KB Output is correct
44 Correct 13 ms 8184 KB Output is correct
45 Correct 12 ms 8176 KB Output is correct
46 Correct 12 ms 8184 KB Output is correct
47 Correct 12 ms 8184 KB Output is correct
48 Correct 12 ms 8056 KB Output is correct
49 Correct 12 ms 8184 KB Output is correct
50 Correct 12 ms 8056 KB Output is correct
51 Correct 12 ms 8056 KB Output is correct
52 Correct 12 ms 8060 KB Output is correct
53 Correct 12 ms 8056 KB Output is correct
54 Correct 12 ms 8184 KB Output is correct
55 Correct 17 ms 8812 KB Output is correct
56 Correct 43 ms 12792 KB Output is correct
57 Correct 78 ms 16608 KB Output is correct
58 Correct 100 ms 19184 KB Output is correct
59 Correct 139 ms 23024 KB Output is correct
60 Correct 181 ms 26960 KB Output is correct
61 Correct 209 ms 29788 KB Output is correct
62 Correct 233 ms 31980 KB Output is correct
63 Correct 288 ms 36876 KB Output is correct
64 Correct 295 ms 38252 KB Output is correct
65 Correct 156 ms 63992 KB Output is correct
66 Correct 154 ms 63964 KB Output is correct
67 Correct 177 ms 31224 KB Output is correct
68 Correct 190 ms 54372 KB Output is correct
69 Correct 255 ms 52196 KB Output is correct
70 Correct 235 ms 52068 KB Output is correct
71 Correct 219 ms 55788 KB Output is correct
72 Correct 237 ms 55792 KB Output is correct
73 Correct 194 ms 52600 KB Output is correct
74 Correct 200 ms 52640 KB Output is correct
75 Correct 199 ms 50856 KB Output is correct
76 Correct 229 ms 50920 KB Output is correct
77 Correct 223 ms 49468 KB Output is correct
78 Correct 202 ms 46928 KB Output is correct
79 Correct 202 ms 51172 KB Output is correct