답안 #93703 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
93703	2019-01-10T19:05:10 Z	KLPP	Paths (BOI18_paths)	C++14	100 / 100	795 ms	113796 KB

paths

#include<bits/stdc++.h>

using namespace std;
typedef long long int lld;
int n,m,k;
vector<int> nei[1000000];
int color[1000000];
lld DP[1000000][32];
lld compute(int pos, int msk){
	if(DP[pos][msk]!=-1)return DP[pos][msk];
	int c=color[pos];
	int Bit=msk&(1<<c);
	if(Bit==0){
		DP[pos][msk]=0;
		return 0;
	}
	DP[pos][msk]=0;
	for(int i=0;i<nei[pos].size();i++){
		DP[pos][msk]+=compute(nei[pos][i],msk-(1<<c));
	}
	return DP[pos][msk];
}
int main(){
	cin>>n>>m>>k;
	for(int i=0;i<n;i++){
		cin>>color[i];
		color[i]--;
	}
	for(int i=0;i<m;i++){
		int x,y;
		cin>>x>>y;
		x--;
		y--;
		nei[x].push_back(y);
		nei[y].push_back(x);
	}
	for(int i=0;i<n;i++){
		for(int msk=0;msk<32;msk++)DP[i][msk]=-1;
		DP[i][(1<<color[i])]=1;
	}
	lld ans=0;
	for(int i=0;i<n;i++){
		for(int msk=1;msk<(1<<k);msk++){ans+=compute(i,msk);
			//cout<<compute(i,msk)<<" ";
		}//cout<<endl;
	}
	ans-=n;
	cout<<ans<<endl;
	return 0;
}

Compilation message

paths.cpp: In function 'lld compute(int, int)':
paths.cpp:18:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<nei[pos].size();i++){
              ~^~~~~~~~~~~~~~~~

Subtask #1
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	23 ms	23928 KB	Output is correct
2	Correct	22 ms	23928 KB	Output is correct
3	Correct	37 ms	23800 KB	Output is correct
4	Correct	24 ms	23800 KB	Output is correct
5	Correct	19 ms	23772 KB	Output is correct
6	Correct	22 ms	23928 KB	Output is correct
7	Correct	22 ms	23800 KB	Output is correct
8	Correct	22 ms	23928 KB	Output is correct
9	Correct	24 ms	23800 KB	Output is correct
10	Correct	23 ms	23800 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	214 ms	31624 KB	Output is correct
2	Correct	162 ms	29816 KB	Output is correct
3	Correct	656 ms	113016 KB	Output is correct
4	Correct	289 ms	39288 KB	Output is correct
5	Correct	272 ms	39364 KB	Output is correct
6	Correct	493 ms	85992 KB	Output is correct
7	Correct	678 ms	112992 KB	Output is correct
8	Correct	635 ms	113656 KB	Output is correct

Subtask #3
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	23 ms	23928 KB	Output is correct
2	Correct	22 ms	23928 KB	Output is correct
3	Correct	37 ms	23800 KB	Output is correct
4	Correct	24 ms	23800 KB	Output is correct
5	Correct	19 ms	23772 KB	Output is correct
6	Correct	22 ms	23928 KB	Output is correct
7	Correct	22 ms	23800 KB	Output is correct
8	Correct	22 ms	23928 KB	Output is correct
9	Correct	24 ms	23800 KB	Output is correct
10	Correct	23 ms	23800 KB	Output is correct
11	Correct	214 ms	31624 KB	Output is correct
12	Correct	162 ms	29816 KB	Output is correct
13	Correct	656 ms	113016 KB	Output is correct
14	Correct	289 ms	39288 KB	Output is correct
15	Correct	272 ms	39364 KB	Output is correct
16	Correct	493 ms	85992 KB	Output is correct
17	Correct	678 ms	112992 KB	Output is correct
18	Correct	635 ms	113656 KB	Output is correct
19	Correct	201 ms	31540 KB	Output is correct
20	Correct	163 ms	29884 KB	Output is correct
21	Correct	680 ms	113124 KB	Output is correct
22	Correct	286 ms	39288 KB	Output is correct
23	Correct	261 ms	39328 KB	Output is correct
24	Correct	494 ms	85868 KB	Output is correct
25	Correct	568 ms	113004 KB	Output is correct
26	Correct	635 ms	113796 KB	Output is correct
27	Correct	166 ms	29816 KB	Output is correct
28	Correct	221 ms	33144 KB	Output is correct
29	Correct	751 ms	113104 KB	Output is correct
30	Correct	601 ms	71916 KB	Output is correct
31	Correct	608 ms	71944 KB	Output is correct
32	Correct	795 ms	113372 KB	Output is correct
33	Correct	22 ms	23800 KB	Output is correct
34	Correct	23 ms	23928 KB	Output is correct
35	Correct	23 ms	23800 KB	Output is correct
36	Correct	22 ms	23800 KB	Output is correct
37	Correct	23 ms	23800 KB	Output is correct
38	Correct	22 ms	23804 KB	Output is correct
39	Correct	22 ms	23928 KB	Output is correct
40	Correct	22 ms	23928 KB	Output is correct
41	Correct	23 ms	23772 KB	Output is correct
42	Correct	22 ms	23800 KB	Output is correct

Subtask #4
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	23 ms	23800 KB	Output is correct
2	Correct	74 ms	25720 KB	Output is correct
3	Correct	66 ms	25724 KB	Output is correct
4	Correct	196 ms	53576 KB	Output is correct
5	Correct	174 ms	54260 KB	Output is correct
6	Correct	265 ms	53628 KB	Output is correct
7	Correct	70 ms	25720 KB	Output is correct
8	Correct	242 ms	53496 KB	Output is correct
9	Correct	164 ms	54156 KB	Output is correct
10	Correct	168 ms	54000 KB	Output is correct
11	Correct	184 ms	39668 KB	Output is correct
12	Correct	190 ms	46992 KB	Output is correct
13	Correct	201 ms	39708 KB	Output is correct
14	Correct	279 ms	53388 KB	Output is correct
15	Correct	265 ms	53624 KB	Output is correct
16	Correct	23 ms	23800 KB	Output is correct
17	Correct	22 ms	23928 KB	Output is correct
18	Correct	22 ms	23772 KB	Output is correct
19	Correct	22 ms	23800 KB	Output is correct
20	Correct	24 ms	23800 KB	Output is correct
21	Correct	23 ms	23928 KB	Output is correct
22	Correct	22 ms	23800 KB	Output is correct
23	Correct	22 ms	23928 KB	Output is correct
24	Correct	23 ms	23800 KB	Output is correct
25	Correct	22 ms	23800 KB	Output is correct

답안 #93703

Compilation message

Subtask #1 23.0 / 23.0

Subtask #2 20.0 / 20.0

Subtask #3 27.0 / 27.0

Subtask #4 30.0 / 30.0

Subtask #1
23.0 / 23.0

Subtask #2
20.0 / 20.0

Subtask #3
27.0 / 27.0

Subtask #4
30.0 / 30.0