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15 changes: 6 additions & 9 deletions 1.cpp
Original file line number Diff line number Diff line change
@@ -1,7 +1,6 @@
#include <iostream>
#include <string>
#include <math.h>

using namespace std;

long long *b;
Expand All @@ -13,11 +12,11 @@ long long int factorial(int n)

long long int *producingTheFactorialFractions()
{
long long b[10];
b = new long long[10];

for (int i = 10; i >= 0; i--)
for (int i = 9; i >= 0; i--)
{
b[i] += (int)pow(factorial(10), 2.0) / (i + 1);
b[i] += (long long int)pow(factorial(10), 2.0) / (i + 1);
}
return b;
}
Expand All @@ -26,7 +25,7 @@ void checkZeros(long long *a)
{
for (int i = 9; i >= 0; i--)
{
if (a[i] = 0)
if (a[i] == 0)
cout << "Zero Found" << endl;
}
}
Expand All @@ -43,8 +42,6 @@ int main()
}
delete a;

cout<<"hello";
cout<<"Bye";


cout << "hello\n";
cout << "Bye";
}
23 changes: 12 additions & 11 deletions 2.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -4,23 +4,24 @@
using namespace std;

// count all the specific char in the whole array of strings
int countAllSpecificChars(string sArr[], int arrLength, char specificChar) {
int count;
for (int i = 0; i <= arrLength; ++i)
for (int j = 0; j <= sArr[i].size(); ++j)
int countAllSpecificChars(string sArr[], int arrLength, char specificChar)
{
int count = 0;
for (int i = 0; i < arrLength; ++i)
for (int j = 0; j < sArr[i].size(); ++j)
// if the jth char of the string is the specific char
if (sArr[i][j] = specificChar)
if (sArr[i][j] == specificChar)
count++;
return count;
}

int main() {
int main()
{
string sArr[4] = {
"I am",
"in",
"ap",
"class"
};
"I am",
"in",
"ap",
"class"};
char findIt;
cin >> findIt;
cout << countAllSpecificChars(sArr, 4, findIt);
Expand Down
2 changes: 1 addition & 1 deletion 3.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -97,7 +97,7 @@ int average()
return sum / count;
}

void main()
int main()
{
int cmd;
long long int x;
Expand Down
8 changes: 5 additions & 3 deletions 4.cpp
Original file line number Diff line number Diff line change
@@ -1,9 +1,11 @@
#include<stdio.h>
#include <stdio.h>
int main()
{
float arr[5] = { 12.5, 10.0, 13.5, 90.5, 0.5 };
float arr[5] = {12.5, 10.0, 13.5, 90.5, 0.5};
float *ptr1 = &arr[0];
float *ptr2 = ptr1 + 3;
printf("%f", *ptr2 - *ptr1);
return 0;
}
}

// 78.000000
8 changes: 5 additions & 3 deletions 5.cpp
Original file line number Diff line number Diff line change
@@ -1,10 +1,12 @@
#include<stdio.h>
#include <stdio.h>
int main()
{
int arr[] = { 10, 20, 30, 40, 50, 60 };
int arr[] = {10, 20, 30, 40, 50, 60};
int *ptr1 = arr;
int *ptr2 = arr + 5;
printf("%d\n", (*ptr2 - *ptr1));
printf("%c", (char)(*ptr2 - *ptr1));
return 0;
}
}
// 50
// 2
1 change: 1 addition & 0 deletions 6.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -9,3 +9,4 @@ int main()
printf("%d\n", a);
return 0;
}
// 513
3 changes: 2 additions & 1 deletion 7.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -7,4 +7,5 @@ int main()
p += 2;
printf("%d", *p);
return 0;
}
}
// 3
14 changes: 7 additions & 7 deletions 8.cpp
Original file line number Diff line number Diff line change
@@ -1,13 +1,13 @@
#include<stdio.h>
const char * f(const char **p) {
#include <stdio.h>
const char *f(const char **p)
{
auto q = (p + sizeof(char))[1];
return q;
}
int main() {
const char * str[] = { "Wish","You","Best",":D" };
int main()
{
const char *str[] = {"Wish", "You", "Best", ":D"};
printf("%c%c ", *f(str), *(f(str) + 1));
printf("%c%c%c%c\n", **str, *(*(str + 1) + 1), *((str + 2)[-1] + 1), **&*(&str[-1] + 1));



}
// Be WooW