답안 #51697 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
51697	2018-06-20T05:14:28 Z	tmwilliamlin168	Fireworks (APIO16_fireworks)	C++14	100 / 100	761 ms	184876 KB

fireworks

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pli pair<ll, int>
#define fi first
#define se second

const int mxN=3e5;
int n, m, pi, ui, si[mxN];
vector<int> adj[mxN];
ll c[mxN], yi0[mxN], yi1[mxN];
set<pli> pc[mxN];

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> n >> m;
	for(int i=1; i<n+m; ++i) {
		cin >> pi >> c[i], --pi;
		adj[pi].push_back(i);
	}
	for(int i=n+m-1; i>=0; --i) {
		if(i>=n) {
			yi1[i]=-1;
			pc[i].insert({0, ui++});
			pc[i].insert({0, ui++});
			si[i]=i;
		} else {
			int mj=adj[i][0];
			for(int j : adj[i])
				if(pc[si[j]].size()<pc[si[j]].size())
					mj=j;
			si[i]=si[mj];
			for(int j : adj[i]) {
				yi0[i]+=yi0[j];
				yi1[i]+=yi1[j];
				if(j!=mj)
					pc[si[i]].insert(pc[si[j]].begin(), pc[si[j]].end());
			}
		}
		auto it=pc[si[i]].end();
		while(pc[si[i]].size()>-yi1[i]+1)
			it=pc[si[i]].erase(--it);
		pli p1=*--it;
		it=pc[si[i]].erase(it);
		pli p2=*--it;
		it=pc[si[i]].erase(it);
		it=pc[si[i]].insert(it, {p2.fi+c[i], p2.se});
		it=pc[si[i]].insert(it, {p1.fi+c[i], p1.se});
		yi0[i]+=c[i];
//		cout << yi0[i] << " " << yi1[i] << endl;
	}
	ll ans=yi0[0];
	auto it=pc[si[0]].insert({0, ui++}).fi;
	for(int i=0; i<-yi1[0]; ++i) {
		ans-=(yi1[0]+i)*it->fi;
		ans+=(yi1[0]+i)*(++it)->fi;
	}
	cout << ans;
}

Compilation message

fireworks.cpp: In function 'int main()':
fireworks.cpp:44:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(pc[si[i]].size()>-yi1[i]+1)
         ~~~~~~~~~~~~~~~~^~~~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	19 ms	21496 KB	Output is correct
2	Correct	21 ms	21496 KB	Output is correct
3	Correct	20 ms	21676 KB	Output is correct
4	Correct	19 ms	21676 KB	Output is correct
5	Correct	21 ms	21676 KB	Output is correct
6	Correct	19 ms	21676 KB	Output is correct
7	Correct	18 ms	21676 KB	Output is correct
8	Correct	26 ms	21792 KB	Output is correct
9	Correct	22 ms	21792 KB	Output is correct
10	Correct	26 ms	21792 KB	Output is correct

Subtask #2
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	21 ms	21792 KB	Output is correct
2	Correct	19 ms	21792 KB	Output is correct
3	Correct	22 ms	21792 KB	Output is correct
4	Correct	19 ms	21792 KB	Output is correct
5	Correct	22 ms	21792 KB	Output is correct
6	Correct	19 ms	21820 KB	Output is correct
7	Correct	22 ms	21820 KB	Output is correct
8	Correct	20 ms	21820 KB	Output is correct
9	Correct	19 ms	21820 KB	Output is correct
10	Correct	19 ms	21820 KB	Output is correct
11	Correct	19 ms	21820 KB	Output is correct
12	Correct	22 ms	21820 KB	Output is correct
13	Correct	20 ms	21820 KB	Output is correct
14	Correct	20 ms	21820 KB	Output is correct
15	Correct	19 ms	21820 KB	Output is correct
16	Correct	19 ms	21820 KB	Output is correct
17	Correct	20 ms	21820 KB	Output is correct
18	Correct	19 ms	21820 KB	Output is correct
19	Correct	19 ms	21820 KB	Output is correct

Subtask #3
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	19 ms	21496 KB	Output is correct
2	Correct	21 ms	21496 KB	Output is correct
3	Correct	20 ms	21676 KB	Output is correct
4	Correct	19 ms	21676 KB	Output is correct
5	Correct	21 ms	21676 KB	Output is correct
6	Correct	19 ms	21676 KB	Output is correct
7	Correct	18 ms	21676 KB	Output is correct
8	Correct	26 ms	21792 KB	Output is correct
9	Correct	22 ms	21792 KB	Output is correct
10	Correct	26 ms	21792 KB	Output is correct
11	Correct	21 ms	21792 KB	Output is correct
12	Correct	19 ms	21792 KB	Output is correct
13	Correct	22 ms	21792 KB	Output is correct
14	Correct	19 ms	21792 KB	Output is correct
15	Correct	22 ms	21792 KB	Output is correct
16	Correct	19 ms	21820 KB	Output is correct
17	Correct	22 ms	21820 KB	Output is correct
18	Correct	20 ms	21820 KB	Output is correct
19	Correct	19 ms	21820 KB	Output is correct
20	Correct	19 ms	21820 KB	Output is correct
21	Correct	19 ms	21820 KB	Output is correct
22	Correct	22 ms	21820 KB	Output is correct
23	Correct	20 ms	21820 KB	Output is correct
24	Correct	20 ms	21820 KB	Output is correct
25	Correct	19 ms	21820 KB	Output is correct
26	Correct	19 ms	21820 KB	Output is correct
27	Correct	20 ms	21820 KB	Output is correct
28	Correct	19 ms	21820 KB	Output is correct
29	Correct	19 ms	21820 KB	Output is correct
30	Correct	20 ms	21820 KB	Output is correct
31	Correct	19 ms	21884 KB	Output is correct
32	Correct	20 ms	22012 KB	Output is correct
33	Correct	22 ms	22140 KB	Output is correct
34	Correct	22 ms	22144 KB	Output is correct
35	Correct	28 ms	22252 KB	Output is correct
36	Correct	27 ms	22396 KB	Output is correct
37	Correct	31 ms	22472 KB	Output is correct
38	Correct	24 ms	22524 KB	Output is correct
39	Correct	24 ms	22524 KB	Output is correct
40	Correct	23 ms	22524 KB	Output is correct
41	Correct	23 ms	22524 KB	Output is correct
42	Correct	22 ms	22524 KB	Output is correct
43	Correct	28 ms	22524 KB	Output is correct
44	Correct	28 ms	22524 KB	Output is correct
45	Correct	26 ms	22524 KB	Output is correct
46	Correct	28 ms	23292 KB	Output is correct
47	Correct	26 ms	23292 KB	Output is correct
48	Correct	27 ms	23292 KB	Output is correct
49	Correct	25 ms	23292 KB	Output is correct
50	Correct	24 ms	23292 KB	Output is correct
51	Correct	24 ms	23292 KB	Output is correct
52	Correct	24 ms	23292 KB	Output is correct
53	Correct	26 ms	23292 KB	Output is correct
54	Correct	26 ms	23292 KB	Output is correct

Subtask #4
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	19 ms	21496 KB	Output is correct
2	Correct	21 ms	21496 KB	Output is correct
3	Correct	20 ms	21676 KB	Output is correct
4	Correct	19 ms	21676 KB	Output is correct
5	Correct	21 ms	21676 KB	Output is correct
6	Correct	19 ms	21676 KB	Output is correct
7	Correct	18 ms	21676 KB	Output is correct
8	Correct	26 ms	21792 KB	Output is correct
9	Correct	22 ms	21792 KB	Output is correct
10	Correct	26 ms	21792 KB	Output is correct
11	Correct	21 ms	21792 KB	Output is correct
12	Correct	19 ms	21792 KB	Output is correct
13	Correct	22 ms	21792 KB	Output is correct
14	Correct	19 ms	21792 KB	Output is correct
15	Correct	22 ms	21792 KB	Output is correct
16	Correct	19 ms	21820 KB	Output is correct
17	Correct	22 ms	21820 KB	Output is correct
18	Correct	20 ms	21820 KB	Output is correct
19	Correct	19 ms	21820 KB	Output is correct
20	Correct	19 ms	21820 KB	Output is correct
21	Correct	19 ms	21820 KB	Output is correct
22	Correct	22 ms	21820 KB	Output is correct
23	Correct	20 ms	21820 KB	Output is correct
24	Correct	20 ms	21820 KB	Output is correct
25	Correct	19 ms	21820 KB	Output is correct
26	Correct	19 ms	21820 KB	Output is correct
27	Correct	20 ms	21820 KB	Output is correct
28	Correct	19 ms	21820 KB	Output is correct
29	Correct	19 ms	21820 KB	Output is correct
30	Correct	20 ms	21820 KB	Output is correct
31	Correct	19 ms	21884 KB	Output is correct
32	Correct	20 ms	22012 KB	Output is correct
33	Correct	22 ms	22140 KB	Output is correct
34	Correct	22 ms	22144 KB	Output is correct
35	Correct	28 ms	22252 KB	Output is correct
36	Correct	27 ms	22396 KB	Output is correct
37	Correct	31 ms	22472 KB	Output is correct
38	Correct	24 ms	22524 KB	Output is correct
39	Correct	24 ms	22524 KB	Output is correct
40	Correct	23 ms	22524 KB	Output is correct
41	Correct	23 ms	22524 KB	Output is correct
42	Correct	22 ms	22524 KB	Output is correct
43	Correct	28 ms	22524 KB	Output is correct
44	Correct	28 ms	22524 KB	Output is correct
45	Correct	26 ms	22524 KB	Output is correct
46	Correct	28 ms	23292 KB	Output is correct
47	Correct	26 ms	23292 KB	Output is correct
48	Correct	27 ms	23292 KB	Output is correct
49	Correct	25 ms	23292 KB	Output is correct
50	Correct	24 ms	23292 KB	Output is correct
51	Correct	24 ms	23292 KB	Output is correct
52	Correct	24 ms	23292 KB	Output is correct
53	Correct	26 ms	23292 KB	Output is correct
54	Correct	26 ms	23292 KB	Output is correct
55	Correct	31 ms	23932 KB	Output is correct
56	Correct	103 ms	30332 KB	Output is correct
57	Correct	137 ms	37116 KB	Output is correct
58	Correct	214 ms	41752 KB	Output is correct
59	Correct	257 ms	48380 KB	Output is correct
60	Correct	376 ms	55548 KB	Output is correct
61	Correct	399 ms	60348 KB	Output is correct
62	Correct	481 ms	67740 KB	Output is correct
63	Correct	551 ms	82516 KB	Output is correct
64	Correct	522 ms	86856 KB	Output is correct
65	Correct	167 ms	86856 KB	Output is correct
66	Correct	163 ms	86856 KB	Output is correct
67	Correct	168 ms	86856 KB	Output is correct
68	Correct	385 ms	94484 KB	Output is correct
69	Correct	493 ms	99700 KB	Output is correct
70	Correct	531 ms	104508 KB	Output is correct
71	Correct	693 ms	169524 KB	Output is correct
72	Correct	719 ms	173352 KB	Output is correct
73	Correct	732 ms	173352 KB	Output is correct
74	Correct	642 ms	173352 KB	Output is correct
75	Correct	680 ms	173352 KB	Output is correct
76	Correct	628 ms	173352 KB	Output is correct
77	Correct	722 ms	173580 KB	Output is correct
78	Correct	761 ms	184876 KB	Output is correct
79	Correct	752 ms	184876 KB	Output is correct

답안 #51697

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 19.0 / 19.0

Subtask #3 29.0 / 29.0

Subtask #4 45.0 / 45.0

Subtask #1
7.0 / 7.0

Subtask #2
19.0 / 19.0

Subtask #3
29.0 / 29.0

Subtask #4
45.0 / 45.0