Submission #110541

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
110541	2019-05-11T06:44:17 Z	Pro_ktmr	Fireworks (APIO16_fireworks)	C++14	55 / 100	789 ms	525312 KB

fireworks

#include"bits/stdc++.h"
using namespace std;
#define LL long long
#define PB push_back
#define MP make_pair

struct f{
	LL a=0, b=0; //xが十分に大きいとき、f(x)=ax+b
	priority_queue<LL> pq; //傾きが1変わる箇所(ダブりあり)
	void push(LL x){
		pq.push(x);
		pq.push(x);
	}
	f operator+(f x){
		f ret;
		ret.a = a + x.a;
		ret.b = b + x.b;
		if(pq.size() > x.pq.size()){
			ret.pq = pq;
			while(!x.pq.empty()){
				ret.pq.push(x.pq.top());
				x.pq.pop();
			}
		}
		else{
			ret.pq = x.pq;
			while(!pq.empty()){
				ret.pq.push(pq.top());
				pq.pop();
			}
		}
		return ret;
	}
};

int N, M, par[300001], C[300001];
f node[300001];

int main(){
	scanf("%d%d", &N, &M);
	for(int i=2; i<=N+M; i++) scanf("%d%d", par+i, C+i);
	
	for(int i=N+M; i>N; i--){
		node[i].a = 1;
		node[i].b = -C[i];
		node[i].push(C[i]);

		node[par[i]] = node[par[i]] + node[i];
	}
	for(int i=N; i>1; i--){
		while(node[i].a > 1){ //傾きが1より大きい右の方は使わない
			node[i].a--;
			node[i].b += node[i].pq.top();
			node[i].pq.pop();
		}

		//このノードと親との辺の情報を追加
		LL tmp1 = node[i].pq.top();
		node[i].pq.pop();
		LL tmp0 = node[i].pq.top();
		node[i].pq.pop();
		node[i].pq.push(tmp0+C[i]);
		node[i].pq.push(tmp1+C[i]);
		node[i].b -= C[i];

		node[par[i]] = node[par[i]] + node[i];
	}
	while(node[1].a > 0){ //最小のところでは傾きが0
		node[1].a--;
		node[1].b += node[1].pq.top();
		node[1].pq.pop();
	}
	printf("%lld\n", node[1].b);
}

Compilation message

fireworks.cpp: In function 'int main()':
fireworks.cpp:40:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &M);
  ~~~~~^~~~~~~~~~~~~~~~
fireworks.cpp:41:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=2; i<=N+M; i++) scanf("%d%d", par+i, C+i);
                            ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	15 ms	14464 KB	Output is correct
2	Correct	16 ms	14464 KB	Output is correct
3	Correct	14 ms	14464 KB	Output is correct
4	Correct	15 ms	14464 KB	Output is correct
5	Correct	14 ms	14464 KB	Output is correct
6	Correct	16 ms	14464 KB	Output is correct
7	Correct	15 ms	14436 KB	Output is correct
8	Correct	16 ms	14464 KB	Output is correct
9	Correct	13 ms	14436 KB	Output is correct
10	Correct	18 ms	14448 KB	Output is correct

Subtask #2
19.0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	14 ms	14464 KB	Output is correct
2	Correct	15 ms	14464 KB	Output is correct
3	Correct	15 ms	14592 KB	Output is correct
4	Correct	14 ms	14464 KB	Output is correct
5	Correct	15 ms	14464 KB	Output is correct
6	Correct	15 ms	14464 KB	Output is correct
7	Correct	17 ms	14464 KB	Output is correct
8	Correct	16 ms	14464 KB	Output is correct
9	Correct	15 ms	14464 KB	Output is correct
10	Correct	17 ms	14436 KB	Output is correct
11	Correct	15 ms	14464 KB	Output is correct
12	Correct	19 ms	14464 KB	Output is correct
13	Correct	17 ms	14464 KB	Output is correct
14	Correct	15 ms	14468 KB	Output is correct
15	Correct	14 ms	14464 KB	Output is correct
16	Correct	15 ms	14592 KB	Output is correct
17	Correct	15 ms	14464 KB	Output is correct
18	Correct	17 ms	14452 KB	Output is correct
19	Correct	14 ms	14464 KB	Output is correct

Subtask #3
29.0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	15 ms	14464 KB	Output is correct
2	Correct	16 ms	14464 KB	Output is correct
3	Correct	14 ms	14464 KB	Output is correct
4	Correct	15 ms	14464 KB	Output is correct
5	Correct	14 ms	14464 KB	Output is correct
6	Correct	16 ms	14464 KB	Output is correct
7	Correct	15 ms	14436 KB	Output is correct
8	Correct	16 ms	14464 KB	Output is correct
9	Correct	13 ms	14436 KB	Output is correct
10	Correct	18 ms	14448 KB	Output is correct
11	Correct	14 ms	14464 KB	Output is correct
12	Correct	15 ms	14464 KB	Output is correct
13	Correct	15 ms	14592 KB	Output is correct
14	Correct	14 ms	14464 KB	Output is correct
15	Correct	15 ms	14464 KB	Output is correct
16	Correct	15 ms	14464 KB	Output is correct
17	Correct	17 ms	14464 KB	Output is correct
18	Correct	16 ms	14464 KB	Output is correct
19	Correct	15 ms	14464 KB	Output is correct
20	Correct	17 ms	14436 KB	Output is correct
21	Correct	15 ms	14464 KB	Output is correct
22	Correct	19 ms	14464 KB	Output is correct
23	Correct	17 ms	14464 KB	Output is correct
24	Correct	15 ms	14468 KB	Output is correct
25	Correct	14 ms	14464 KB	Output is correct
26	Correct	15 ms	14592 KB	Output is correct
27	Correct	15 ms	14464 KB	Output is correct
28	Correct	17 ms	14452 KB	Output is correct
29	Correct	14 ms	14464 KB	Output is correct
30	Correct	16 ms	14464 KB	Output is correct
31	Correct	15 ms	14720 KB	Output is correct
32	Correct	18 ms	14848 KB	Output is correct
33	Correct	18 ms	14976 KB	Output is correct
34	Correct	17 ms	15232 KB	Output is correct
35	Correct	21 ms	16256 KB	Output is correct
36	Correct	18 ms	16000 KB	Output is correct
37	Correct	19 ms	15872 KB	Output is correct
38	Correct	20 ms	18048 KB	Output is correct
39	Correct	18 ms	16256 KB	Output is correct
40	Correct	19 ms	14720 KB	Output is correct
41	Correct	17 ms	14720 KB	Output is correct
42	Correct	20 ms	14720 KB	Output is correct
43	Correct	56 ms	60536 KB	Output is correct
44	Correct	51 ms	52088 KB	Output is correct
45	Correct	49 ms	51320 KB	Output is correct
46	Correct	21 ms	15104 KB	Output is correct
47	Correct	20 ms	15104 KB	Output is correct
48	Correct	20 ms	14976 KB	Output is correct
49	Correct	21 ms	15028 KB	Output is correct
50	Correct	26 ms	14948 KB	Output is correct
51	Correct	26 ms	14968 KB	Output is correct
52	Correct	26 ms	15868 KB	Output is correct
53	Correct	29 ms	15012 KB	Output is correct
54	Correct	59 ms	15180 KB	Output is correct

Subtask #4
0 / 45.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	15 ms	14464 KB	Output is correct
2	Correct	16 ms	14464 KB	Output is correct
3	Correct	14 ms	14464 KB	Output is correct
4	Correct	15 ms	14464 KB	Output is correct
5	Correct	14 ms	14464 KB	Output is correct
6	Correct	16 ms	14464 KB	Output is correct
7	Correct	15 ms	14436 KB	Output is correct
8	Correct	16 ms	14464 KB	Output is correct
9	Correct	13 ms	14436 KB	Output is correct
10	Correct	18 ms	14448 KB	Output is correct
11	Correct	14 ms	14464 KB	Output is correct
12	Correct	15 ms	14464 KB	Output is correct
13	Correct	15 ms	14592 KB	Output is correct
14	Correct	14 ms	14464 KB	Output is correct
15	Correct	15 ms	14464 KB	Output is correct
16	Correct	15 ms	14464 KB	Output is correct
17	Correct	17 ms	14464 KB	Output is correct
18	Correct	16 ms	14464 KB	Output is correct
19	Correct	15 ms	14464 KB	Output is correct
20	Correct	17 ms	14436 KB	Output is correct
21	Correct	15 ms	14464 KB	Output is correct
22	Correct	19 ms	14464 KB	Output is correct
23	Correct	17 ms	14464 KB	Output is correct
24	Correct	15 ms	14468 KB	Output is correct
25	Correct	14 ms	14464 KB	Output is correct
26	Correct	15 ms	14592 KB	Output is correct
27	Correct	15 ms	14464 KB	Output is correct
28	Correct	17 ms	14452 KB	Output is correct
29	Correct	14 ms	14464 KB	Output is correct
30	Correct	16 ms	14464 KB	Output is correct
31	Correct	15 ms	14720 KB	Output is correct
32	Correct	18 ms	14848 KB	Output is correct
33	Correct	18 ms	14976 KB	Output is correct
34	Correct	17 ms	15232 KB	Output is correct
35	Correct	21 ms	16256 KB	Output is correct
36	Correct	18 ms	16000 KB	Output is correct
37	Correct	19 ms	15872 KB	Output is correct
38	Correct	20 ms	18048 KB	Output is correct
39	Correct	18 ms	16256 KB	Output is correct
40	Correct	19 ms	14720 KB	Output is correct
41	Correct	17 ms	14720 KB	Output is correct
42	Correct	20 ms	14720 KB	Output is correct
43	Correct	56 ms	60536 KB	Output is correct
44	Correct	51 ms	52088 KB	Output is correct
45	Correct	49 ms	51320 KB	Output is correct
46	Correct	21 ms	15104 KB	Output is correct
47	Correct	20 ms	15104 KB	Output is correct
48	Correct	20 ms	14976 KB	Output is correct
49	Correct	21 ms	15028 KB	Output is correct
50	Correct	26 ms	14948 KB	Output is correct
51	Correct	26 ms	14968 KB	Output is correct
52	Correct	26 ms	15868 KB	Output is correct
53	Correct	29 ms	15012 KB	Output is correct
54	Correct	59 ms	15180 KB	Output is correct
55	Correct	31 ms	22884 KB	Output is correct
56	Correct	109 ms	73312 KB	Output is correct
57	Correct	210 ms	136976 KB	Output is correct
58	Correct	209 ms	158316 KB	Output is correct
59	Correct	557 ms	329312 KB	Output is correct
60	Correct	461 ms	304964 KB	Output is correct
61	Correct	714 ms	425924 KB	Output is correct
62	Correct	688 ms	433028 KB	Output is correct
63	Correct	664 ms	425212 KB	Output is correct
64	Runtime error	789 ms	525312 KB	Execution killed with signal 9 (could be triggered by violating memory limits)
65	Halted	0 ms	0 KB	-

Submission #110541

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 19.0 / 19.0

Subtask #3 29.0 / 29.0

Subtask #4 0 / 45.0

Subtask #1
7.0 / 7.0

Subtask #2
19.0 / 19.0

Subtask #3
29.0 / 29.0

Subtask #4
0 / 45.0