For Versus While
Question: Is there any example for which the following two loops will not work same way?
/*Program 1 --> For loop*/for (<init-stmnt>; <boolean-expr>; <incr-stmnt>) { <body-statements> } /*Program 2 --> While loop*/<init-stmnt>; while (<boolean-expr>) { <body-statements> <incr-stmnt> } |
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Solution:
If the body-statements contains continue, then the two programs will work in different ways
See the below examples: Program 1 will print “loop” 3 times but Program 2 will go in an infinite loop.
Example for program 1
int main() { int i = 0; for(i = 0; i < 3; i++) { printf("loop "); continue; } getchar(); return 0; } |
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Example for program 2
int main() { int i = 0; while(i < 3) { printf("loop"); /* printed infinite times */ continue; i++; /*This statement is never executed*/ } getchar(); return 0; } |
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Please write comments if you want to add more solutions for the above question.
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