This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#pragma GCC optimize("Ofast,unroll-loops")
#include<bits/stdc++.h>
#define int long long
//#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".ans","w",stdout)
#define pb push_back
#define checktime cerr << (double)clock() / CLOCKS_PER_SEC * 1000 << " ms";
using namespace std;
#define getchar_unlocked getchar
inline int scan()
{
char c = getchar_unlocked();
int x = 0;
while(c<'0'||c>'9')
{
c=getchar_unlocked();
}
while(c>='0'&&c<='9')
{
x=(x<<1)+(x<<3)+c-'0';
c=getchar_unlocked();
}
return x;
}
void phongbeo();
const int inf=1e9;
const int mod2=998244353;
const int mod1=998244353;
struct icd
{
long double a;
int b;
};
struct ib
{
int a;
int b;
};
struct ic
{
int a,b,c;
};
struct id
{
int a,b,c,d;
};
struct ie
{
int a,b,c,d,e;
};
int n,m,s1,s2,s4,s3,sf,k,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,s33,dem3,dem4,l,r,mid,l2,r2;
int i,s10,s12;
int kk;
int el=29;
main()
{
#ifndef ONLINE_JUDGE
// fin(task);
//fou(task);
#endif
NHP
/// cin>>s1;
//modwwe
phongbeo();
//checktime
}
int dp[300001][32];
int a[300001];
vector<int> v[300001];
void phongbeo()
{
cin>>n>>m>>k;
for(int i=1;i<=n;i++)
cin>>a[i],a[i]--,dp[i][(1<<a[i])]=1;
for(int i=1;i<=m;i++)
cin>>l>>r,v[l].pb(r),v[r].pb(l);
for(int j=1;j<(1<<k);j++)
for(int i=1;i<=n;i++){
if(dp[i][j]==0) continue;
for(auto k:v[i])
if(!bit(j,a[k])){
dp[k][j+(1<<a[k])]+=dp[i][j];
}
s4+=dp[i][j];
}
cout<<s4-n;
}
Compilation message (stderr)
paths.cpp:67:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
67 | main()
| ^~~~
paths.cpp: In function 'void phongbeo()':
paths.cpp:87:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
87 | for(int i=1;i<=m;i++)
| ^~~
paths.cpp:89:6: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
89 | for(int j=1;j<(1<<k);j++)
| ^~~
paths.cpp:92:10: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
92 | for(auto k:v[i])
| ^~~
paths.cpp:96:14: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
96 | s4+=dp[i][j];
| ^~
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