Sample output:

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Input the string : this a test

Input the substring to be search : test

The substring exists in the string.

1. [K/U: /2] Explain the logic that you may apply to complete the code.

2. [T: /2] Create a flowchart based in the program requirement.

3. [A: /2] Write the missing code.

4. [C: /2] Explain the functions used in the code.

#includevoid main()

{

char str[80],search[20];

int c1=0,c2=0,i,j,flg;

printf("Input the string : ");

fgets(str, sizeof str, stdin);

printf("Input the substring to be search : ");

fgets(search, sizeof search, stdin);

while (str[c1]!='\0')

c1++;

c1--;

while (search[c2]!='\0')

c2++;

c2--;

for(i=0;i<=c1-c2;i++)

{

//missing code

}

if (flg==1)

printf("The substring exists in the string.\n\n");

else

printf("The substring is not exists in the string. \n\n");

}

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