What will be the worst case time complexity of the following code?
Posted: Wed Jul 13, 2022 6:15 pm
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#include<bits/stdc++.h>
using namespace std;
void func(char* str2, char* str1)
{
int m = strlen(str2);
int n = strlen(str1);
for (int i = 0; i <= n - m; i++)
{
int j;
for (j = 0; j < m; j++)
if (str1[i + j] != str2[j])
break;
if (j == m)
cout << i << endl;
}
}
int main()
{
char str1[] = "1253234";
char str2[] = "323";
func(str2, str1);
return 0;
}
a) O(n)
b) O(m)
c) O(m * n)
d) O(m + n)
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#include<bits/stdc++.h>
using namespace std;
void func(char* str2, char* str1)
{
int m = strlen(str2);
int n = strlen(str1);
for (int i = 0; i <= n - m; i++)
{
int j;
for (j = 0; j < m; j++)
if (str1[i + j] != str2[j])
break;
if (j == m)
cout << i << endl;
}
}
int main()
{
char str1[] = "1253234";
char str2[] = "323";
func(str2, str1);
return 0;
}
a) O(n)
b) O(m)
c) O(m * n)
d) O(m + n)