답안 #51699 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
51699	2018-06-20T05:55:32 Z	tmwilliamlin168	Fireworks (APIO16_fireworks)	C++14	100 / 100	275 ms	48968 KB

fireworks

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

#define ll long long

inline int in() {
	int result = 0;
	char ch = getchar_unlocked();
	while (true) {
		if(ch >= '0' && ch <= '9')
			break;
		ch = getchar_unlocked();
	}
	result = ch-'0';
	while(true) {
		ch = getchar_unlocked();
		if (ch < '0' || ch > '9')
			break;
		result = result*10 + (ch - '0');
	}
	return result;
}
inline void out(ll x) {
	ll rev=x;
	int c=0;
	if(!x) {
		putchar_unlocked('0');
		return;
	}
	while(!(rev%10)) {
		++c;
		rev/=10;
	}
	rev=0;
	while(x) {
		rev=rev*10+x%10;
		x/=10;
	}
	while(rev) {
		putchar_unlocked(rev%10+'0');
		rev/=10;
	}
	while(c--)
		putchar_unlocked('0');
}

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

int main() {
	n=in(), m=in();
	for(int i=1; i<n+m; ++i) {
		adj[in()-1].push_back(i);
		c[i]=in();
	}
	for(int i=n+m-1; i>=0; --i) {
		if(i>=n) {
			yi1[i]=-1;
			pc[i].push(0);
			pc[i].push(0);
			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)
					continue;
				while(!pc[si[j]].empty()) {
					pc[si[i]].push(pc[si[j]].top());
					pc[si[j]].pop();
				}
			}
		}
		while(pc[si[i]].size()>-yi1[i]+1)
			pc[si[i]].pop();
		ll a1=pc[si[i]].top();
		pc[si[i]].pop();
		ll a2=pc[si[i]].top();
		pc[si[i]].pop();
		pc[si[i]].push(a1+c[i]);
		pc[si[i]].push(a2+c[i]);
		yi0[i]+=c[i];
	}
	ll ans=yi0[0];
	pc[si[0]].pop();
	pc[si[0]].push(0);
	while(pc[si[0]].size()>1) {
		ans+=(yi1[0]+pc[si[0]].size()-2)*pc[si[0]].top();
		pc[si[0]].pop();
		ans-=(yi1[0]+pc[si[0]].size()-1)*pc[si[0]].top();
	}
	out(ans);
}

Compilation message

fireworks.cpp: In function 'int main()':
fireworks.cpp:82:25: 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	15 ms	16760 KB	Output is correct
2	Correct	15 ms	16872 KB	Output is correct
3	Correct	16 ms	16948 KB	Output is correct
4	Correct	17 ms	16948 KB	Output is correct
5	Correct	18 ms	17048 KB	Output is correct
6	Correct	18 ms	17048 KB	Output is correct
7	Correct	16 ms	17048 KB	Output is correct
8	Correct	21 ms	17048 KB	Output is correct
9	Correct	16 ms	17048 KB	Output is correct
10	Correct	16 ms	17048 KB	Output is correct

Subtask #2
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	17048 KB	Output is correct
2	Correct	17 ms	17048 KB	Output is correct
3	Correct	15 ms	17048 KB	Output is correct
4	Correct	18 ms	17072 KB	Output is correct
5	Correct	15 ms	17136 KB	Output is correct
6	Correct	16 ms	17136 KB	Output is correct
7	Correct	15 ms	17136 KB	Output is correct
8	Correct	16 ms	17136 KB	Output is correct
9	Correct	15 ms	17136 KB	Output is correct
10	Correct	16 ms	17136 KB	Output is correct
11	Correct	15 ms	17136 KB	Output is correct
12	Correct	19 ms	17136 KB	Output is correct
13	Correct	15 ms	17136 KB	Output is correct
14	Correct	19 ms	17136 KB	Output is correct
15	Correct	16 ms	17136 KB	Output is correct
16	Correct	15 ms	17136 KB	Output is correct
17	Correct	15 ms	17136 KB	Output is correct
18	Correct	17 ms	17136 KB	Output is correct
19	Correct	21 ms	17136 KB	Output is correct

Subtask #3
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	16760 KB	Output is correct
2	Correct	15 ms	16872 KB	Output is correct
3	Correct	16 ms	16948 KB	Output is correct
4	Correct	17 ms	16948 KB	Output is correct
5	Correct	18 ms	17048 KB	Output is correct
6	Correct	18 ms	17048 KB	Output is correct
7	Correct	16 ms	17048 KB	Output is correct
8	Correct	21 ms	17048 KB	Output is correct
9	Correct	16 ms	17048 KB	Output is correct
10	Correct	16 ms	17048 KB	Output is correct
11	Correct	17 ms	17048 KB	Output is correct
12	Correct	17 ms	17048 KB	Output is correct
13	Correct	15 ms	17048 KB	Output is correct
14	Correct	18 ms	17072 KB	Output is correct
15	Correct	15 ms	17136 KB	Output is correct
16	Correct	16 ms	17136 KB	Output is correct
17	Correct	15 ms	17136 KB	Output is correct
18	Correct	16 ms	17136 KB	Output is correct
19	Correct	15 ms	17136 KB	Output is correct
20	Correct	16 ms	17136 KB	Output is correct
21	Correct	15 ms	17136 KB	Output is correct
22	Correct	19 ms	17136 KB	Output is correct
23	Correct	15 ms	17136 KB	Output is correct
24	Correct	19 ms	17136 KB	Output is correct
25	Correct	16 ms	17136 KB	Output is correct
26	Correct	15 ms	17136 KB	Output is correct
27	Correct	15 ms	17136 KB	Output is correct
28	Correct	17 ms	17136 KB	Output is correct
29	Correct	21 ms	17136 KB	Output is correct
30	Correct	16 ms	17148 KB	Output is correct
31	Correct	15 ms	17148 KB	Output is correct
32	Correct	16 ms	17148 KB	Output is correct
33	Correct	16 ms	17148 KB	Output is correct
34	Correct	17 ms	17276 KB	Output is correct
35	Correct	16 ms	17276 KB	Output is correct
36	Correct	17 ms	17276 KB	Output is correct
37	Correct	17 ms	17404 KB	Output is correct
38	Correct	19 ms	17404 KB	Output is correct
39	Correct	17 ms	17404 KB	Output is correct
40	Correct	17 ms	17404 KB	Output is correct
41	Correct	16 ms	17404 KB	Output is correct
42	Correct	19 ms	17404 KB	Output is correct
43	Correct	21 ms	17404 KB	Output is correct
44	Correct	18 ms	17512 KB	Output is correct
45	Correct	18 ms	17512 KB	Output is correct
46	Correct	17 ms	17532 KB	Output is correct
47	Correct	24 ms	17532 KB	Output is correct
48	Correct	22 ms	17532 KB	Output is correct
49	Correct	17 ms	17532 KB	Output is correct
50	Correct	18 ms	17532 KB	Output is correct
51	Correct	17 ms	17532 KB	Output is correct
52	Correct	18 ms	17532 KB	Output is correct
53	Correct	21 ms	17532 KB	Output is correct
54	Correct	21 ms	17564 KB	Output is correct

Subtask #4
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	16760 KB	Output is correct
2	Correct	15 ms	16872 KB	Output is correct
3	Correct	16 ms	16948 KB	Output is correct
4	Correct	17 ms	16948 KB	Output is correct
5	Correct	18 ms	17048 KB	Output is correct
6	Correct	18 ms	17048 KB	Output is correct
7	Correct	16 ms	17048 KB	Output is correct
8	Correct	21 ms	17048 KB	Output is correct
9	Correct	16 ms	17048 KB	Output is correct
10	Correct	16 ms	17048 KB	Output is correct
11	Correct	17 ms	17048 KB	Output is correct
12	Correct	17 ms	17048 KB	Output is correct
13	Correct	15 ms	17048 KB	Output is correct
14	Correct	18 ms	17072 KB	Output is correct
15	Correct	15 ms	17136 KB	Output is correct
16	Correct	16 ms	17136 KB	Output is correct
17	Correct	15 ms	17136 KB	Output is correct
18	Correct	16 ms	17136 KB	Output is correct
19	Correct	15 ms	17136 KB	Output is correct
20	Correct	16 ms	17136 KB	Output is correct
21	Correct	15 ms	17136 KB	Output is correct
22	Correct	19 ms	17136 KB	Output is correct
23	Correct	15 ms	17136 KB	Output is correct
24	Correct	19 ms	17136 KB	Output is correct
25	Correct	16 ms	17136 KB	Output is correct
26	Correct	15 ms	17136 KB	Output is correct
27	Correct	15 ms	17136 KB	Output is correct
28	Correct	17 ms	17136 KB	Output is correct
29	Correct	21 ms	17136 KB	Output is correct
30	Correct	16 ms	17148 KB	Output is correct
31	Correct	15 ms	17148 KB	Output is correct
32	Correct	16 ms	17148 KB	Output is correct
33	Correct	16 ms	17148 KB	Output is correct
34	Correct	17 ms	17276 KB	Output is correct
35	Correct	16 ms	17276 KB	Output is correct
36	Correct	17 ms	17276 KB	Output is correct
37	Correct	17 ms	17404 KB	Output is correct
38	Correct	19 ms	17404 KB	Output is correct
39	Correct	17 ms	17404 KB	Output is correct
40	Correct	17 ms	17404 KB	Output is correct
41	Correct	16 ms	17404 KB	Output is correct
42	Correct	19 ms	17404 KB	Output is correct
43	Correct	21 ms	17404 KB	Output is correct
44	Correct	18 ms	17512 KB	Output is correct
45	Correct	18 ms	17512 KB	Output is correct
46	Correct	17 ms	17532 KB	Output is correct
47	Correct	24 ms	17532 KB	Output is correct
48	Correct	22 ms	17532 KB	Output is correct
49	Correct	17 ms	17532 KB	Output is correct
50	Correct	18 ms	17532 KB	Output is correct
51	Correct	17 ms	17532 KB	Output is correct
52	Correct	18 ms	17532 KB	Output is correct
53	Correct	21 ms	17532 KB	Output is correct
54	Correct	21 ms	17564 KB	Output is correct
55	Correct	20 ms	18044 KB	Output is correct
56	Correct	39 ms	21116 KB	Output is correct
57	Correct	64 ms	23756 KB	Output is correct
58	Correct	80 ms	25612 KB	Output is correct
59	Correct	111 ms	28408 KB	Output is correct
60	Correct	161 ms	31100 KB	Output is correct
61	Correct	189 ms	33436 KB	Output is correct
62	Correct	231 ms	34788 KB	Output is correct
63	Correct	264 ms	38384 KB	Output is correct
64	Correct	265 ms	39152 KB	Output is correct
65	Correct	68 ms	39152 KB	Output is correct
66	Correct	65 ms	39152 KB	Output is correct
67	Correct	64 ms	39152 KB	Output is correct
68	Correct	151 ms	39152 KB	Output is correct
69	Correct	198 ms	39152 KB	Output is correct
70	Correct	201 ms	39152 KB	Output is correct
71	Correct	275 ms	48812 KB	Output is correct
72	Correct	269 ms	48968 KB	Output is correct
73	Correct	201 ms	48968 KB	Output is correct
74	Correct	204 ms	48968 KB	Output is correct
75	Correct	229 ms	48968 KB	Output is correct
76	Correct	208 ms	48968 KB	Output is correct
77	Correct	213 ms	48968 KB	Output is correct
78	Correct	226 ms	48968 KB	Output is correct
79	Correct	207 ms	48968 KB	Output is correct

답안 #51699

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