Making the code too short and Fast compile

2020/Div 3/661 Div 3/Programs/Remove Smallest.cpp

@@ -1,44 +1,36 @@
-#include <iostream>
-#include <vector>
-#include <algorithm>
-
-#define all(v) (v).begin(), (v).end()
+#include<bits/stdc++.h>
+#include<set>
+#define lli long long int
+#define pb push_back
+#define cio ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
+#define rep(i,a,n) for(i=a;i<n;i++)
+#define all(v) (v.begin(),v.end())
+#define ppb pop_back
+#define vsz v.size()
+#define pi 3.141592653589793238
 using namespace std;
-
-void solve()
-{
-    int no_of_elements;
-    cin >> no_of_elements;
-
-    vector <int> A(no_of_elements + 1);
-    for(int i = 1; i <= no_of_elements; i++)
-    {
-        cin >> A[i];
-    }
-
-    sort(all(A));
-
-    int possible = true;
-
-    for(int i = 2; i <= no_of_elements; i++)
-    {
-        if(A[i] - A[i - 1] > 1)
-        {
-            possible = false;
-            break;
-        }
-    }
-
-    cout << (possible ? "YES\n" : "NO\n");
-}
-
 int main()
 {
-    int no_of_test_cases;
-    cin >> no_of_test_cases;
-
-    while(no_of_test_cases--)
-        solve();
-
-    return 0;
+	lli t,n,i,a,k;
+	cin>>t;
+	while(t--){
+		cin>>n;
+		k=0;
+		vector<lli>v;
+		for(i=0;i<n;i++){
+			cin>>a;
+			v.pb(a);
+		}
+		sort all(v);
+		for(i=1;i<n;i++){
+			a=v[i]-v[i-1];
+			if(a<=1)
+			k++;
+		}
+		if(k==n-1)
+		cout<<"YES\n";
+		else
+		cout<<"NO\n";
+	}
+	return 0;
 }