done

Author: Hard-Coder05

CF1.cpp

@@ -23,16 +23,19 @@ int main() {
 	ll tc;
 	cin >> tc;
 	while (tc--) {
-		ll n;cin>>n;
-		ll eve=0,odd=0;
-		for(ll i=0;i<n;i++){
-			ll x;
-			cin>>x;
-			if(x&1)
-			odd++;
-			else
-			eve++;
+		ll n,x;
+		cin>>n>>x;
+		bool ans=false;
+		for(ll i=1;i<=n;i++){
+			ll a=x/i;
+			if(i*a==x&&a<n){
+				ans=true;
+				break;
+			}
 		}
-		cout<<min(odd,eve)<<endl;
+		if(ans)
+		cout<<"YES"<<endl;
+		else
+		cout<<"NO"<<endl;
 	}
 }

CF1.exe

@@ -1,39 +1,6 @@
 #include <bits/stdc++.h>
 using namespace std;
 
-int ceilIndex(int tail[], int l, int r, int x) {
-        while(l < r) {
-            int mid = l + (r-l)/2;
-            
-            if(tail[mid] >= x) {
-                r = mid;
-            } else {
-                l = mid+1;
-            }
-        }
-        
-        return r;
-    }
-    
-    int LIS(vector<int> arr, int n) {
-        int tail[n];
-        
-        tail[0] = arr[0];
-        int len = 1;
-        
-        for(int i = 1; i < n; i++) {
-            if(arr[i] > tail[len-1]) {
-                tail[len] = arr[i];
-                len++;
-            } else {
-                int c = ceilIndex(tail, 0, len-1, arr[i]);
-                tail[c] = arr[i];
-            }
-        }
-        
-        return len;
-    }
-
 int main()
 {
 #ifndef ONLINE_JUDGE

CF3.cpp

@@ -1,7 +1,5 @@
-3
 2
-1 2
-3
-1 1 2
-3
-1 2 4
+3 2
+3 4 3
+5 6
+6 6 8 7 3

input.txt

@@ -1 +1,2 @@
-17
+YES
+NO