oj.uz

Submission #111793

# Submission time Handle Problem Language Result Execution time Memory
111793 2019-05-16T07:36:14 Z nxteru Fireworks (APIO16_fireworks) C++14
100 / 100
 406 ms 53004 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
#define F first
#define S second
#define PB push_back
ll n,m,ans,vs[300005];
priority_queue<ll>p[300005];
vector<P>g[300005];
void up(int v,ll c){
	if(p[v].size()==0){
		p[v].push(c);
		p[v].push(c);
	}else{
		ll x=p[v].top();
		p[v].pop();
		ll y=p[v].top();
		p[v].pop();
		p[v].push(x+c);
		p[v].push(y+c);
	}
}
void merge(int x,int y){
	if(p[vs[x]].size()<p[vs[y]].size())swap(x,y);
	int py=y;
	y=vs[y];
	x=vs[x];
	vs[py]=x;
	while(!p[y].empty()){
		p[x].push(p[y].top());
		p[y].pop();
	}
}
void dfs(int v){
	ll s=g[v].size();
	if(s==0)return;
	for(int i=0;i<g[v].size();i++){
		ll u=g[v][i].F,c=g[v][i].S;
		dfs(u);
		up(vs[u],c);
		ans-=p[vs[u]].top();
		merge(v,u);
	}
	for(int i=0;i<s-1;i++){
		ans+=p[vs[v]].top();
		p[vs[v]].pop();
	}
	ans+=p[vs[v]].top();
}
int main(void){
    scanf("%lld%lld",&n,&m);
    n+=m;
    for(int i=0;i<n;i++)vs[i]=i;
    for(int i=1;i<n;i++){
		ll q,c;
		scanf("%lld%lld",&q,&c);
		g[--q].PB(P(i,c));
	}
	dfs(0);
	printf("%lld\n",ans);
}

Compilation message

fireworks.cpp: In function 'void dfs(int)':
fireworks.cpp:38:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<g[v].size();i++){
              ~^~~~~~~~~~~~
fireworks.cpp: In function 'int main()':
fireworks.cpp:52:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld%lld",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~~~~
fireworks.cpp:57:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld",&q,&c);
   ~~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 16768 KB Output is correct
2 Correct 16 ms 16768 KB Output is correct
3 Correct 16 ms 16896 KB Output is correct
4 Correct 20 ms 16740 KB Output is correct
5 Correct 16 ms 16768 KB Output is correct
6 Correct 17 ms 16768 KB Output is correct
7 Correct 12 ms 16740 KB Output is correct
8 Correct 17 ms 16768 KB Output is correct
9 Correct 18 ms 16888 KB Output is correct
10 Correct 18 ms 16768 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 16768 KB Output is correct
2 Correct 16 ms 16768 KB Output is correct
3 Correct 17 ms 16764 KB Output is correct
4 Correct 18 ms 16768 KB Output is correct
5 Correct 15 ms 16800 KB Output is correct
6 Correct 18 ms 16768 KB Output is correct
7 Correct 16 ms 16768 KB Output is correct
8 Correct 18 ms 16768 KB Output is correct
9 Correct 15 ms 16768 KB Output is correct
10 Correct 19 ms 16768 KB Output is correct
11 Correct 15 ms 16768 KB Output is correct
12 Correct 16 ms 16768 KB Output is correct
13 Correct 16 ms 16896 KB Output is correct
14 Correct 15 ms 16768 KB Output is correct
15 Correct 16 ms 16768 KB Output is correct
16 Correct 16 ms 16768 KB Output is correct
17 Correct 16 ms 16768 KB Output is correct
18 Correct 17 ms 16768 KB Output is correct
19 Correct 16 ms 16768 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 16768 KB Output is correct
2 Correct 16 ms 16768 KB Output is correct
3 Correct 16 ms 16896 KB Output is correct
4 Correct 20 ms 16740 KB Output is correct
5 Correct 16 ms 16768 KB Output is correct
6 Correct 17 ms 16768 KB Output is correct
7 Correct 12 ms 16740 KB Output is correct
8 Correct 17 ms 16768 KB Output is correct
9 Correct 18 ms 16888 KB Output is correct
10 Correct 18 ms 16768 KB Output is correct
11 Correct 16 ms 16768 KB Output is correct
12 Correct 16 ms 16768 KB Output is correct
13 Correct 17 ms 16764 KB Output is correct
14 Correct 18 ms 16768 KB Output is correct
15 Correct 15 ms 16800 KB Output is correct
16 Correct 18 ms 16768 KB Output is correct
17 Correct 16 ms 16768 KB Output is correct
18 Correct 18 ms 16768 KB Output is correct
19 Correct 15 ms 16768 KB Output is correct
20 Correct 19 ms 16768 KB Output is correct
21 Correct 15 ms 16768 KB Output is correct
22 Correct 16 ms 16768 KB Output is correct
23 Correct 16 ms 16896 KB Output is correct
24 Correct 15 ms 16768 KB Output is correct
25 Correct 16 ms 16768 KB Output is correct
26 Correct 16 ms 16768 KB Output is correct
27 Correct 16 ms 16768 KB Output is correct
28 Correct 17 ms 16768 KB Output is correct
29 Correct 16 ms 16768 KB Output is correct
30 Correct 17 ms 16760 KB Output is correct
31 Correct 18 ms 16896 KB Output is correct
32 Correct 19 ms 16888 KB Output is correct
33 Correct 21 ms 16896 KB Output is correct
34 Correct 18 ms 17024 KB Output is correct
35 Correct 17 ms 17024 KB Output is correct
36 Correct 17 ms 17024 KB Output is correct
37 Correct 21 ms 17152 KB Output is correct
38 Correct 18 ms 17152 KB Output is correct
39 Correct 18 ms 17152 KB Output is correct
40 Correct 17 ms 17408 KB Output is correct
41 Correct 19 ms 17452 KB Output is correct
42 Correct 19 ms 17024 KB Output is correct
43 Correct 21 ms 17280 KB Output is correct
44 Correct 22 ms 17280 KB Output is correct
45 Correct 21 ms 17280 KB Output is correct
46 Correct 18 ms 17280 KB Output is correct
47 Correct 19 ms 17408 KB Output is correct
48 Correct 18 ms 17152 KB Output is correct
49 Correct 20 ms 17280 KB Output is correct
50 Correct 22 ms 17152 KB Output is correct
51 Correct 23 ms 17144 KB Output is correct
52 Correct 32 ms 17148 KB Output is correct
53 Correct 20 ms 17280 KB Output is correct
54 Correct 22 ms 17152 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 16768 KB Output is correct
2 Correct 16 ms 16768 KB Output is correct
3 Correct 16 ms 16896 KB Output is correct
4 Correct 20 ms 16740 KB Output is correct
5 Correct 16 ms 16768 KB Output is correct
6 Correct 17 ms 16768 KB Output is correct
7 Correct 12 ms 16740 KB Output is correct
8 Correct 17 ms 16768 KB Output is correct
9 Correct 18 ms 16888 KB Output is correct
10 Correct 18 ms 16768 KB Output is correct
11 Correct 16 ms 16768 KB Output is correct
12 Correct 16 ms 16768 KB Output is correct
13 Correct 17 ms 16764 KB Output is correct
14 Correct 18 ms 16768 KB Output is correct
15 Correct 15 ms 16800 KB Output is correct
16 Correct 18 ms 16768 KB Output is correct
17 Correct 16 ms 16768 KB Output is correct
18 Correct 18 ms 16768 KB Output is correct
19 Correct 15 ms 16768 KB Output is correct
20 Correct 19 ms 16768 KB Output is correct
21 Correct 15 ms 16768 KB Output is correct
22 Correct 16 ms 16768 KB Output is correct
23 Correct 16 ms 16896 KB Output is correct
24 Correct 15 ms 16768 KB Output is correct
25 Correct 16 ms 16768 KB Output is correct
26 Correct 16 ms 16768 KB Output is correct
27 Correct 16 ms 16768 KB Output is correct
28 Correct 17 ms 16768 KB Output is correct
29 Correct 16 ms 16768 KB Output is correct
30 Correct 17 ms 16760 KB Output is correct
31 Correct 18 ms 16896 KB Output is correct
32 Correct 19 ms 16888 KB Output is correct
33 Correct 21 ms 16896 KB Output is correct
34 Correct 18 ms 17024 KB Output is correct
35 Correct 17 ms 17024 KB Output is correct
36 Correct 17 ms 17024 KB Output is correct
37 Correct 21 ms 17152 KB Output is correct
38 Correct 18 ms 17152 KB Output is correct
39 Correct 18 ms 17152 KB Output is correct
40 Correct 17 ms 17408 KB Output is correct
41 Correct 19 ms 17452 KB Output is correct
42 Correct 19 ms 17024 KB Output is correct
43 Correct 21 ms 17280 KB Output is correct
44 Correct 22 ms 17280 KB Output is correct
45 Correct 21 ms 17280 KB Output is correct
46 Correct 18 ms 17280 KB Output is correct
47 Correct 19 ms 17408 KB Output is correct
48 Correct 18 ms 17152 KB Output is correct
49 Correct 20 ms 17280 KB Output is correct
50 Correct 22 ms 17152 KB Output is correct
51 Correct 23 ms 17144 KB Output is correct
52 Correct 32 ms 17148 KB Output is correct
53 Correct 20 ms 17280 KB Output is correct
54 Correct 22 ms 17152 KB Output is correct
55 Correct 30 ms 17792 KB Output is correct
56 Correct 76 ms 20568 KB Output is correct
57 Correct 129 ms 23032 KB Output is correct
58 Correct 150 ms 24432 KB Output is correct
59 Correct 195 ms 26676 KB Output is correct
60 Correct 247 ms 28784 KB Output is correct
61 Correct 270 ms 30656 KB Output is correct
62 Correct 321 ms 31828 KB Output is correct
63 Correct 406 ms 34424 KB Output is correct
64 Correct 361 ms 35112 KB Output is correct
65 Correct 158 ms 53004 KB Output is correct
66 Correct 158 ms 52984 KB Output is correct
67 Correct 188 ms 29620 KB Output is correct
68 Correct 246 ms 45164 KB Output is correct
69 Correct 335 ms 43684 KB Output is correct
70 Correct 318 ms 43624 KB Output is correct
71 Correct 261 ms 47840 KB Output is correct
72 Correct 256 ms 48372 KB Output is correct
73 Correct 219 ms 43744 KB Output is correct
74 Correct 223 ms 44128 KB Output is correct
75 Correct 209 ms 42468 KB Output is correct
76 Correct 215 ms 42468 KB Output is correct
77 Correct 221 ms 41768 KB Output is correct
78 Correct 257 ms 39648 KB Output is correct
79 Correct 248 ms 41956 KB Output is correct