# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
441400 |
2021-07-05T06:50:14 Z |
Haruto810198 |
Paths (BOI18_paths) |
C++17 |
|
2183 ms |
27796 KB |
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define double long double
#define FOR(i, l, r, d) for(int i=(l); i<=(r); i+=(d))
#define szof(x) ((int)(x).size())
#define vi vector<int>
#define pii pair<int,int>
#define F first
#define S second
#define pb push_back
#define eb emplace_back
#define mkp make_pair
const int INF = 2147483647;
const int LNF = INF*INF;
const int MOD = 1000000007;
const int mod = 998244353;
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("unroll-loops")
const int MAX = 300010;
int n, m, k;
vi edge[MAX];
int color[MAX];
int cnt[MAX];
vector<vi> per;
void Enum(vi arr){
if(szof(arr)>=2) per.pb(arr);
if(szof(arr) == k){
return;
}
FOR(i, 1, k, 1){
bool flag = 1;
for(int j : arr){
if(j==i) flag=0;
}
if(flag){
arr.pb(i);
Enum(arr);
arr.pop_back();
}
}
}
int solve(vi arr){
FOR(i, 1, n, 1){
cnt[i] = (color[i]==arr[0]) ? 1 : 0;
}
FOR(i, 1, szof(arr)-1, 1){
int pc = arr[i-1]; /// previous color
int cc = arr[i]; /// current color
FOR(u, 1, n, 1){
for(int v : edge[u]){
if(color[u] == pc and color[v] == cc){
cnt[v] += cnt[u];
}
}
}
}
int ret = 0;
FOR(i, 1, n, 1){
if(color[i] == arr.back()){
ret += cnt[i];
}
}
/*
cerr<<"solve(";
for(int i : arr){
cerr<<i;
}
cerr<<") = "<<ret<<endl;
*/
return ret;
}
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
/// input
cin>>n>>m>>k;
FOR(i, 1, n, 1){
cin>>color[i];
}
FOR(i, 1, m, 1){
int u, v;
cin>>u>>v;
edge[u].pb(v);
edge[v].pb(u);
}
/// permutations
FOR(i, 1, k, 1){
Enum({i});
}
/// solve
int res = 0;
for(vi arr : per){
res += solve(arr);
}
cout<<res<<'\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
7372 KB |
Output is correct |
2 |
Correct |
5 ms |
7292 KB |
Output is correct |
3 |
Correct |
4 ms |
7372 KB |
Output is correct |
4 |
Correct |
5 ms |
7372 KB |
Output is correct |
5 |
Correct |
4 ms |
7372 KB |
Output is correct |
6 |
Correct |
4 ms |
7372 KB |
Output is correct |
7 |
Correct |
5 ms |
7372 KB |
Output is correct |
8 |
Correct |
5 ms |
7372 KB |
Output is correct |
9 |
Correct |
5 ms |
7412 KB |
Output is correct |
10 |
Correct |
4 ms |
7244 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
107 ms |
14644 KB |
Output is correct |
2 |
Correct |
102 ms |
15012 KB |
Output is correct |
3 |
Correct |
505 ms |
26964 KB |
Output is correct |
4 |
Correct |
121 ms |
19268 KB |
Output is correct |
5 |
Correct |
121 ms |
18988 KB |
Output is correct |
6 |
Correct |
329 ms |
23408 KB |
Output is correct |
7 |
Correct |
517 ms |
27040 KB |
Output is correct |
8 |
Correct |
502 ms |
27584 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
7372 KB |
Output is correct |
2 |
Correct |
5 ms |
7292 KB |
Output is correct |
3 |
Correct |
4 ms |
7372 KB |
Output is correct |
4 |
Correct |
5 ms |
7372 KB |
Output is correct |
5 |
Correct |
4 ms |
7372 KB |
Output is correct |
6 |
Correct |
4 ms |
7372 KB |
Output is correct |
7 |
Correct |
5 ms |
7372 KB |
Output is correct |
8 |
Correct |
5 ms |
7372 KB |
Output is correct |
9 |
Correct |
5 ms |
7412 KB |
Output is correct |
10 |
Correct |
4 ms |
7244 KB |
Output is correct |
11 |
Correct |
107 ms |
14644 KB |
Output is correct |
12 |
Correct |
102 ms |
15012 KB |
Output is correct |
13 |
Correct |
505 ms |
26964 KB |
Output is correct |
14 |
Correct |
121 ms |
19268 KB |
Output is correct |
15 |
Correct |
121 ms |
18988 KB |
Output is correct |
16 |
Correct |
329 ms |
23408 KB |
Output is correct |
17 |
Correct |
517 ms |
27040 KB |
Output is correct |
18 |
Correct |
502 ms |
27584 KB |
Output is correct |
19 |
Correct |
112 ms |
17452 KB |
Output is correct |
20 |
Correct |
91 ms |
16700 KB |
Output is correct |
21 |
Correct |
533 ms |
27076 KB |
Output is correct |
22 |
Correct |
142 ms |
19324 KB |
Output is correct |
23 |
Correct |
113 ms |
18992 KB |
Output is correct |
24 |
Correct |
334 ms |
23416 KB |
Output is correct |
25 |
Correct |
527 ms |
27036 KB |
Output is correct |
26 |
Correct |
564 ms |
27796 KB |
Output is correct |
27 |
Correct |
205 ms |
16632 KB |
Output is correct |
28 |
Correct |
253 ms |
18888 KB |
Output is correct |
29 |
Correct |
1863 ms |
27112 KB |
Output is correct |
30 |
Correct |
932 ms |
22364 KB |
Output is correct |
31 |
Correct |
950 ms |
22540 KB |
Output is correct |
32 |
Correct |
1833 ms |
27064 KB |
Output is correct |
33 |
Correct |
5 ms |
7372 KB |
Output is correct |
34 |
Correct |
6 ms |
7372 KB |
Output is correct |
35 |
Correct |
6 ms |
7364 KB |
Output is correct |
36 |
Correct |
5 ms |
7372 KB |
Output is correct |
37 |
Correct |
5 ms |
7372 KB |
Output is correct |
38 |
Correct |
4 ms |
7368 KB |
Output is correct |
39 |
Correct |
5 ms |
7372 KB |
Output is correct |
40 |
Correct |
5 ms |
7372 KB |
Output is correct |
41 |
Correct |
5 ms |
7372 KB |
Output is correct |
42 |
Correct |
5 ms |
7316 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
7372 KB |
Output is correct |
2 |
Correct |
291 ms |
9664 KB |
Output is correct |
3 |
Correct |
33 ms |
10052 KB |
Output is correct |
4 |
Correct |
116 ms |
12996 KB |
Output is correct |
5 |
Correct |
78 ms |
13284 KB |
Output is correct |
6 |
Correct |
2183 ms |
12968 KB |
Output is correct |
7 |
Correct |
66 ms |
10060 KB |
Output is correct |
8 |
Correct |
371 ms |
12864 KB |
Output is correct |
9 |
Correct |
250 ms |
13376 KB |
Output is correct |
10 |
Correct |
302 ms |
13020 KB |
Output is correct |
11 |
Correct |
1069 ms |
11196 KB |
Output is correct |
12 |
Correct |
1046 ms |
12212 KB |
Output is correct |
13 |
Correct |
1018 ms |
11312 KB |
Output is correct |
14 |
Correct |
2135 ms |
12972 KB |
Output is correct |
15 |
Correct |
2060 ms |
13052 KB |
Output is correct |
16 |
Correct |
5 ms |
7372 KB |
Output is correct |
17 |
Correct |
5 ms |
7372 KB |
Output is correct |
18 |
Correct |
5 ms |
7372 KB |
Output is correct |
19 |
Correct |
4 ms |
7372 KB |
Output is correct |
20 |
Correct |
4 ms |
7372 KB |
Output is correct |
21 |
Correct |
4 ms |
7360 KB |
Output is correct |
22 |
Correct |
5 ms |
7372 KB |
Output is correct |
23 |
Correct |
5 ms |
7372 KB |
Output is correct |
24 |
Correct |
5 ms |
7364 KB |
Output is correct |
25 |
Correct |
4 ms |
7372 KB |
Output is correct |