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답안 #110541

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
110541 2019-05-11T06:44:17 Z Pro_ktmr Fireworks (APIO16_fireworks) C++14
55 / 100
 789 ms 525312 KB 
#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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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 -