update

P7076/P7076.cpp

@@ -1,9 +1,56 @@
 #include <iostream>
+#include <bitset>
+#include <type_traits>
 
-using std::cin,std::cout,std::iostream;
+using ull = unsigned long long;
-int n,m,c,k;
+using std::cin,std::cout,std::iostream,std::bitset;
+ull n,m,c,k,num,input,p,q,ans {1};
+bitset<64+5> bt;
+
+template<class T>
+class ReadNumber{
+    char c;
+    T w,n;
+public:
+    ReadNumber& operator>>(T &num)noexcept{
+        c=(char)0,w=1,n=0;
+        while(!isdigit(c)){
+            if constexpr(!std::is_same_v<ull, T>){
+                if(c=='-')w=-1;
+            }
+            c = getchar();
+        }
+        while(isdigit(c)){
+            n = n*10 + (c-'0');
+            c = getchar();
+        }
+        num = w*n;
+        return *this;
+    }
+};
+
+ReadNumber<ull> readull;
+#define cin readull
 
 int main(){
     cin>>n>>m>>c>>k;
-    
+
+    if(n==0 && m==0 && k==64){
+        cout<<"18446744073709551616\n";
+        return 0;
+    }
+
+    for(ull i=0;i<n;i++){
+        cin>>input;
+        num |= input;
+    }
+    for(ull i=0;i<m;i++){
+        cin>>p>>q;
+        if(!((num>>p)&1) && !bt[p]){
+            k--;
+            bt[p]=true;
+        }
+    }
+    for(int i=0;i<k;i++)ans*=2;
+    cout<<ans-n<<'\n';
 }