17. Consider the following "C" code segment. At least how many test cases are needed for achieving decision coverage for the given C code? int main (){ inta,b=0; scanf("%d",&a); if( a < 10 || a>100) b=b+10; if( a == 20 ) b=b+20; else b++; if( a == 30 )

C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter6: Modularity Using Functions
Section6.4: A Case Study: Rectangular To Polar Coordinate Conversion
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17. Consider the following "C" code segment. At least how many test cases are needed for achieving
decision coverage for the given C code?
int main (){
inta,b=0;
scanf("%d",&a);
if( a < 10 || a>100)
b=b+10;
if( a == 20 )
b=b+20;
else
b++;
if( a == 30 )
b=b+30;
else
b=b+40;
}
8
3
4
Transcribed Image Text:17. Consider the following "C" code segment. At least how many test cases are needed for achieving decision coverage for the given C code? int main (){ inta,b=0; scanf("%d",&a); if( a < 10 || a>100) b=b+10; if( a == 20 ) b=b+20; else b++; if( a == 30 ) b=b+30; else b=b+40; } 8 3 4
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