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답안 #63183

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
63183 2018-08-01T04:30:45 Z 김현수(#2143) Paths (BOI18_paths) C++11
100 / 100
 668 ms 56028 KB 
#include<bits/stdc++.h>
using namespace std;

typedef long long ll;

const ll N = 300005;

ll n, m, k, a[N], dt[1<<5][N], ans;

vector<ll> adj[N];

int main()
{
	scanf("%lld%lld%lld",&n,&m,&k);
	for(ll i=1;i<=n;i++) {
		scanf("%lld",&a[i]);
		a[i]--;
	}
	for(ll i=1;i<=m;i++) {
		ll A, B;
		scanf("%lld%lld",&A,&B);
		adj[A].push_back(B);
		adj[B].push_back(A);
	}
	for(ll x=1;x<(1<<k);x++) {
		for(ll i=1;i<=n;i++) {
			ll j = (1<<a[i]);
			if(!(j & x)) continue;
			if(j == x) dt[x][i] = 1;
			for(auto &T : adj[i]) {
				dt[x][i] += dt[x-j][T];
			}
			ans += dt[x][i];
		}
	}
	printf("%lld\n",ans-n);
}

Compilation message

paths.cpp: In function 'int main()':
paths.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld%lld",&n,&m,&k);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
paths.cpp:16:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&a[i]);
   ~~~~~^~~~~~~~~~~~~~
paths.cpp:21:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld",&A,&B);
   ~~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 7548 KB Output is correct
2 Correct 11 ms 7656 KB Output is correct
3 Correct 8 ms 7656 KB Output is correct
4 Correct 8 ms 7656 KB Output is correct
5 Correct 8 ms 7656 KB Output is correct
6 Correct 11 ms 7756 KB Output is correct
7 Correct 10 ms 7772 KB Output is correct
8 Correct 10 ms 7772 KB Output is correct
9 Correct 8 ms 7772 KB Output is correct
10 Correct 9 ms 7772 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 120 ms 15216 KB Output is correct
2 Correct 90 ms 15216 KB Output is correct
3 Correct 428 ms 37112 KB Output is correct
4 Correct 253 ms 37112 KB Output is correct
5 Correct 206 ms 37112 KB Output is correct
6 Correct 379 ms 37112 KB Output is correct
7 Correct 534 ms 37112 KB Output is correct
8 Correct 475 ms 37628 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 7548 KB Output is correct
2 Correct 11 ms 7656 KB Output is correct
3 Correct 8 ms 7656 KB Output is correct
4 Correct 8 ms 7656 KB Output is correct
5 Correct 8 ms 7656 KB Output is correct
6 Correct 11 ms 7756 KB Output is correct
7 Correct 10 ms 7772 KB Output is correct
8 Correct 10 ms 7772 KB Output is correct
9 Correct 8 ms 7772 KB Output is correct
10 Correct 9 ms 7772 KB Output is correct
11 Correct 120 ms 15216 KB Output is correct
12 Correct 90 ms 15216 KB Output is correct
13 Correct 428 ms 37112 KB Output is correct
14 Correct 253 ms 37112 KB Output is correct
15 Correct 206 ms 37112 KB Output is correct
16 Correct 379 ms 37112 KB Output is correct
17 Correct 534 ms 37112 KB Output is correct
18 Correct 475 ms 37628 KB Output is correct
19 Correct 145 ms 37628 KB Output is correct
20 Correct 103 ms 37628 KB Output is correct
21 Correct 476 ms 37628 KB Output is correct
22 Correct 212 ms 37628 KB Output is correct
23 Correct 203 ms 37628 KB Output is correct
24 Correct 320 ms 37628 KB Output is correct
25 Correct 515 ms 37628 KB Output is correct
26 Correct 448 ms 37628 KB Output is correct
27 Correct 151 ms 37628 KB Output is correct
28 Correct 176 ms 37628 KB Output is correct
29 Correct 665 ms 56028 KB Output is correct
30 Correct 448 ms 56028 KB Output is correct
31 Correct 420 ms 56028 KB Output is correct
32 Correct 668 ms 56028 KB Output is correct
33 Correct 9 ms 56028 KB Output is correct
34 Correct 11 ms 56028 KB Output is correct
35 Correct 10 ms 56028 KB Output is correct
36 Correct 10 ms 56028 KB Output is correct
37 Correct 9 ms 56028 KB Output is correct
38 Correct 10 ms 56028 KB Output is correct
39 Correct 10 ms 56028 KB Output is correct
40 Correct 10 ms 56028 KB Output is correct
41 Correct 10 ms 56028 KB Output is correct
42 Correct 10 ms 56028 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 56028 KB Output is correct
2 Correct 45 ms 56028 KB Output is correct
3 Correct 47 ms 56028 KB Output is correct
4 Correct 149 ms 56028 KB Output is correct
5 Correct 86 ms 56028 KB Output is correct
6 Correct 286 ms 56028 KB Output is correct
7 Correct 37 ms 56028 KB Output is correct
8 Correct 162 ms 56028 KB Output is correct
9 Correct 147 ms 56028 KB Output is correct
10 Correct 193 ms 56028 KB Output is correct
11 Correct 143 ms 56028 KB Output is correct
12 Correct 128 ms 56028 KB Output is correct
13 Correct 150 ms 56028 KB Output is correct
14 Correct 297 ms 56028 KB Output is correct
15 Correct 292 ms 56028 KB Output is correct
16 Correct 9 ms 56028 KB Output is correct
17 Correct 9 ms 56028 KB Output is correct
18 Correct 9 ms 56028 KB Output is correct
19 Correct 9 ms 56028 KB Output is correct
20 Correct 8 ms 56028 KB Output is correct
21 Correct 10 ms 56028 KB Output is correct
22 Correct 9 ms 56028 KB Output is correct
23 Correct 11 ms 56028 KB Output is correct
24 Correct 10 ms 56028 KB Output is correct
25 Correct 10 ms 56028 KB Output is correct