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(Write C++ Statements) Write a statement for each of the following:
- Print integer 40000 left justified in a 15-digit field.
- Read a string into character array variable state.
- Print 200 with and without a sign.
- Print the decimal value 100 in hexadecimal form preceded by 0x.
- Read characters into array charArray until the character ‘p’ is encountered, up to a limit of 10 characters (including the terminating null character). Extract the delimiter from the input stream, and discard it.
- Print 1.234 in a 9-digit field with preceding zeros.
a.
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To print integer 4000 left justified in a 15-digit field.
Explanation of Solution
The function setw() is used in C++ to adjust the field width for output.
intleftalign=4000;
cout<<setw(15)<<leftalign;
b.
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To read a string into character array variable state.
Explanation of Solution
Following statement will read as string into character array variable state.
cin>>state;
c.
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To print 200 with and without a sign.
Explanation of Solution
Following statement will print the number 200 with sign
cout<< “+200”;
Following statement will print the number 200 without sign
cout<< “200”;
d.
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To print the decimal value 100 in hexadecimal form preceded by 0x.
Explanation of Solution
Following set of statement will print the decimal value 100 as specified.
cout<<”Print the value decimal value 100 in hexadecimal format”;
inttoHex = 100;
cout<<”The decimal number 100 converted to hexadecimal =”;
e.
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To read the characters into array charArray until the character ‘p’ is encountered, upto a limit of 10 characters (including the terminating null character). To extract the delimiter from the input stream and discard it.
Explanation of Solution
char array[10]; for( int i=0;i<10; i++) { if(array[i]!=‘p’) { cout<<array[i]; } else break; } array[--i] = “”;
f.
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To print 1.234 in a 9-digit field with preceding zeros.
Explanation of Solution
Following statement will print 1.234 with 9 digit field with preceding zeros.
cout<<setfill('0')<<setw(9)<<1.234;
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