added codeforces contest solution

Author: Mohamad655

Codeforces_Contests/9_Round_667_Div_3/A.cpp

@@ -0,0 +1,32 @@
+#include <string>
+#include <vector>
+ 
+#include <algorithm>
+#include <cmath>
+ 
+using namespace std;
+ 
+int main()
+ 
+{
+    int noOfTestCase{};
+    cin>>noOfTestCase;
+    long long a[noOfTestCase];
+    long long b[noOfTestCase];
+    for(int i=0;i<noOfTestCase;i++){
+        cin>>a[i];
+        cin>>b[i];
+    }
+    for(int i=0;i<noOfTestCase;i++){
+        
+        if(abs(a[i]-b[i])==0){
+          cout<<"0"<<endl;  
+        }else if(abs(a[i]-b[i])%10==0){
+            cout<<(abs(a[i]-b[i])/10)<<endl;
+        }else{
+            cout<<(abs(a[i]-b[i])/10)+1<<endl;
+        }
+     }
+ 
+    return 0;
+}