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My best suggesion to u that , please first understand about the few below functions
1)str.size()
2)swap(str[0],str1[0])
3)str3=str1+str2
then u can try
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Strings
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My best suggesion to u that , please first understand about the few below functions 1)str.size() 2)swap(str[0],str1[0]) 3)str3=str1+str2 then u can try