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flow chart for an if statement if num1 7 0 printf

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Unformatted text preview: Output for program on previous page: % a.out 015 is an integer. 3.142 is a floating point number. aabbbcc is a string. % Flow chart for an if statement if (num1 % 7 == 0 ) printf( “%d is divisible by 7.\n”, num1 ); true num1 % 7 == 0 print “num1 is…” false The if…else Selection Statement • if – Only performs an action if the condition is true • if...else – Specifies an action to be performed both when the condition is true and when it is false. • Pseudocode If ( num1 mod 7 ) is equal to 0 Print “num1 is divisible by 7” else Print “num1 is not divisible by 7” Flow chart for an if…else statement if (num1 % 7 == 0 ) printf( “%d is divisible by 7.\n”, num1 ); else printf(“%d is not divisible by 7.\n”, num1 ); print “num1 is not…” false true num1 % 7 == 0 print “num1 is…” The if…else Selection Statement • C code: if ( num1 % 7 == 0 ) { printf( “%d is divisible by 7\n”, num1 ); } else { printf( “%d is not divisible by 7\n”, num1 ); } • Ternary conditional operator (?:) – Takes 3 arguments • ( condition ? value if true : value if false ) – Examples: • printf( “%s\n”, grade >= 60 ? “Passed” : “Failed” ); • grade >=60 ? printf( “Passed\n” ) : printf( “Failed\n” ); C Program: if…else 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 /* decision making: using the if...else statement*/ #include <stdio.h> /* function main...
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This note was uploaded on 03/02/2009 for the course ENGR 3 taught by Professor Ben-yaakov during the Fall '08 term at UCSB.

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