Find the Missing Number

#include <bits/stdc++.h>
using namespace std;
 
// Function to get the missing number
int getMissingNo(int a[], int n)
{
 
    int total = (n + 1) * (n + 2) / 2;
    for (int i = 0; i < n; i++)
        total -= a[i];
    return total;
}
 
// Driver Code
int main()
{
    int arr[] = { 1, 2, 4, 5, 6 };
    int n = sizeof(arr) / sizeof(arr[0]);
    int miss = getMissingNo(arr, n);
    cout << miss;
}

Source: geeksforgeeks.org

Missing number

numbers = input("Enter your numbers with ','separated form : ")
int_array = list(map(int,numbers.split(",")))
Sum = 0
for i in range(len(int_array)):
    Sum = Sum+int_array[i]
n = len(int_array) +1
missing = (((n+1) * (n))/2) -Sum 
print(missing)

Similar codes

1 vote220 views2 answers
Concatenate string program in c++
C++
0 vote190 views1 answer
All in one c++
C++
1 vote225 views1 answer
Kwakiutl tribe artifacts
C++
2 votes236 views1 answer
What language is ethereum written in
C++
7 votes171 views1 answer
Initialize 2d vector of ints c++
C++
0 vote182 views1 answer
10011101
C++
0 vote233 views1 answer
Thread c++ member function
C++
0 vote184 views1 answer
Error: use of parameter outside function body before ] token c++
C++
2 votes181 views3 answers
Cpp compiler online
C++
6 votes189 views2 answers
C++ create thread
C++