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Author: AdityaSeth777

28 - RegEx, Patterns, and Intro to Databases/Solution.c

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+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <limits.h>
+#include <stdbool.h>
+
+int main(){
+    int N,i,j; 
+    scanf("%d",&N);
+    char *ptr,*str,*ptr1;
+    char tmp[20],tmp1[30];
+    char firstName[N][20];
+    char emailID[N][30],*emid;
+    for(i= 0; i < N; i++)
+    {
+        scanf("%s %s",firstName[i],emailID[i]);
+    }
+    for(i=1;i<N;i++)
+    {
+        for(j=1;j<N;j++)
+        {
+            if(strcmp(firstName[j-1],firstName[j])>0)
+            {
+                strcpy(tmp,firstName[j-1]);
+                strcpy(firstName[j-1],firstName[j]);
+                strcpy(firstName[j],tmp);
+                strcpy(tmp1,emailID[j-1]);
+                strcpy(emailID[j-1],emailID[j]);
+                strcpy(emailID[j],tmp1);
+            }    
+        }
+    }
+    for(j=0;j<N;j++)
+    {
+         //Aditya Seth
+         ptr=strstr(emailID[j],"@");
+         ptr1=strstr(emailID[j],"g");
+         if(strcmp(ptr,"@gmail.com")==0 && strncmp(ptr1,"gamil@gmail",8)!=0 )
+            printf("%s\n",firstName[j]);
+         else
+           {} 
+    }
+    return 0;
+}

28 - RegEx, Patterns, and Intro to Databases/Solution.cpp

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+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main()
+{
+    int N;
+    cin >> N;
+
+    vector<string> emails(N);
+    vector<string> names(N);
+    vector<string> gmailUsers;
+
+    for(int i = 0; i < N; i++)
+    {
+        cin >> names[i] >> emails[i];
+    }
+
+    for(int i = 0; i < N; i++)
+    {
+        if(regex_match(emails[i], regex("(.*)@gmail.com")))
+            gmailUsers.push_back(names[i]);
+    }
+
+    sort(gmailUsers.begin(), gmailUsers.end());
+    //Aditya Seth
+    for(int index = 0; index < gmailUsers.size(); index++)
+    {
+        cout << gmailUsers[index] << endl;
+    }
+
+
+    return 0;
+}
+

28 - RegEx, Patterns, and Intro to Databases/Solution.py

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+import re
+
+arr = []
+
+n = int(input())
+
+for i in range(n):
+    data = str(input()).split(" ")
+    name = data[0]
+    email = data[1]
+
+    if re.search(".+@gmail\.com$", email):
+        arr.append(name)
+
+arr.sort()
+#Aditya Seth
+for name in arr:
+    print(name)