diff --git a/1066E.cpp b/1066E.cpp
new file mode 100644
index 0000000..bd0e727
--- /dev/null
+++ b/1066E.cpp
@@ -0,0 +1,17 @@
+#include<bits/stdc++.h>
+using namespace std;
+const int mod=998244353;
+int main(){
+	int n,m,ans=0,sum=0,p=1;
+	cin>> n >>m;
+	string s,t;
+	cin>>s>>t;
+	for(int i=0;i<m;i++){
+		if(s[n-i-1]=='1'&& i<n)
+			sum=(sum+p)%mod;
+		if(t[m-i-1]=='1')
+			ans= ( ans + sum ) % mod;
+		p=(p*2)%mod;
+	}
+	cout<<ans<<endl;
+}
diff --git a/1066F.cpp b/1066F.cpp
new file mode 100644
index 0000000..5da843c
--- /dev/null
+++ b/1066F.cpp
@@ -0,0 +1,36 @@
+#include <bits/stdc++.h>
+using namespace std;
+typedef long long ll;
+typedef pair<ll,ll> PLL;
+map<ll,vector<PLL> > mp;
+ll dis(PLL a,PLL b){
+    return abs(a.first-b.first)+abs(a.second-b.second);
+}
+int main(){
+    ll n;
+    scanf("%lld",&n);
+    for(ll i=0;i<n;i++){
+            ll x,y;
+        scanf("%lld%lld",&x,&y);
+        mp[max(x,y)].push_back(PLL(x,y));
+    }
+    PLL left(0,0),right(0,0);
+    ll dl=0,dr=0;
+    for(auto &pr: mp){
+        sort(pr.second.begin(),pr.second.end(), [](PLL a,PLL b){return make_pair(a.first,-a.second) < make_pair(b.first,-b.second);} );
+        PLL nl=*pr.second.begin();
+        PLL nr=pr.second.back();
+        ll dd=dis(nl,nr);
+
+        ll ndl=min(dl+dis(left,nr)+dd,dr+dis(right,nr)+dd);
+        ll ndr=min(dl+dis(left,nl)+dd,dr+dis(right,nl)+dd);
+
+        dl=ndl;
+        dr=ndr;
+        left=nl;
+        right=nr;
+
+    }
+    printf("%lld\n",min(dl,dr));
+    return 0;
+}
diff --git a/1073D.cpp b/1073D.cpp
new file mode 100644
index 0000000..d502d96
--- /dev/null
+++ b/1073D.cpp
@@ -0,0 +1,23 @@
+#include<bits/stdc++.h>
+using namespace std;
+int main(){
+	long long n,T;
+	long long a[200010],dc=0,ans=0;
+	cin>>n>>T;
+	for(int i=0; i<(int)n; i++) cin>>a[i];
+	while(T>0){
+		long long Tp=T,cn=0;
+		for(int i=0; i<n; i++){
+			if(Tp>=a[i]){
+				Tp-=a[i];
+				cn++;
+			}
+		}
+		if(cn==0) break;
+		Tp=T-Tp;
+		long long mv=T/Tp;
+		ans+=mv*cn;
+		T-=mv*Tp;
+	}
+	cout<<ans;
+}