Python

Find Minimum Distance Between two numbers in Array code

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def getLargestString(s, k):
    frequency_array = [0] * 26

    for i in range(len(s)):

        frequency_array[ord(s[i]) -
                        ord('a')] += 1
    ans = ""
    i = 25
    while i >= 0:
        if (frequency_array[i] > k):
            temp = k
            st = chr( i + ord('a'))
            
            while (temp > 0):
                ans += st
                temp -= 1
          
            frequency_array[i] -= k
            j = i - 1
            
            while (frequency_array[j] <= 0 and
                   j >= 0):
                j -= 1
            if (frequency_array[j] > 0 and
                j >= 0):
                str1 = chr(j + ord( 'a'))
                ans += str1
                frequency_array[j] -= 1
            
            else:
                break
        elif (frequency_array[i] > 0):
            temp = frequency_array[i]
            frequency_array[i] -= temp
            st = chr(i + ord('a'))
            while (temp > 0):
                ans += st
                temp -= 1
        else:
            i -= 1
            
    return ans          

if name == "main":
  
    S = input()
    k = 3
    print (getLargestString(S, k))


Python
Bob code

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#include <bits/stdc++.h>
using namespace std;


int count(string s)
{
int N, i, cnt = 0, ans = 0;


N = s.length();

for (i = 0; i < N; i++) {
if (s[i] == 'R')
cnt++;

if (s[i] == 'L')
ans += cnt;
}

return ans;
}


int main()
{

string s = "RRLL";

cout << count(s) << endl;

return 0;
}

C++
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C++

Question:-
You are given Queries.each query consists of 3 integer X[i],Y[i] and N[i] where i donates the ith query The answer to ith query X[i],Y[i] and N[i] is denoted By (X[i],Y[i])^((X[i]+1),Y[i])^....^((X[i],N[i]*Y[i]) Find the sum of all answers modulo 10^9+7

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XOR elements
C++ language

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magic Number Code

python 3

All test cases passed

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C++
XOR

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Array A length n code
Python
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MAX = 10000

# prefix[i] is going to
# store count of primes
# till i (including i).

pt =[0]*(MAX + 1)


def abc():

prime = [1]*(MAX + 1)


p = 2

while(p * p <= MAX):


if (prime[p] == 1):
i = p * 2

while(i <= MAX):

prime[i] = 0

i += p

p+=1

for p in range(2,MAX+1):

pt[p] = pt[p - 1]

if (prime[p]==1):

pt[p]+=1
//@allcoding1
def query(a,b):
return pt[b]-pt[a-1]
n=int(input())
c=0
for i in range(n):
a,b=map(int,input().split())
abc()
c+=query(a,b)
mod=10**9+7
print(c%mod)



prime numbers in range[L,R]

All test cases passed

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