Added 1742B - Increasing.cpp

Author: vikashpatel24

1742B - Increasing.cpp

@@ -0,0 +1,38 @@
+//                                 ॐ नमः शिवाय
+#include<bits/stdc++.h>
+using namespace std;
+#define ll long long
+ 
+// Code Written By: Vikash Patel
+// Codeforces Profile: https://codeforces.com/profile/vikashpatel
+
+bool check(int a[], int n)
+{
+    sort(a,a+n);
+        for(int i=0; i<n-1; i++)
+        {
+            if(a[i]==a[i+1])
+            return 0;
+        }
+        return 1;
+}
+int main()
+{
+    int t;
+    cin>>t;
+    while(t--)
+    {
+        int n;
+        cin>>n;
+        int a[n];
+        for(int i=0; i<n; i++)
+        {
+            cin>>a[i];
+        }
+        if(check(a,n))
+        cout<<"YES"<<endl;
+        else
+        cout<<"NO"<<endl;
+    }
+    return 0;
+}