In the following program, how many times will the for loop execute?#include<stdio.h> int main() { int i=5; for(;scanf("%d", &i); printf("%d", i)); return 0; }Select one:The for loop will execute only onceThe for loop will execute infinite timesThe for loop will not execute at allThe for loop will execute 5 times
Question
In the following program, how many times will the for loop execute?#include<stdio.h> int main() { int i=5; for(;scanf("%d", &i); printf("%d", i)); return 0; }Select one:The for loop will execute only onceThe for loop will execute infinite timesThe for loop will not execute at allThe for loop will execute 5 times
Solution
The for loop will execute infinite times. This is because the condition for the loop is the scanf function, which returns the number of input items successfully matched and assigned. This will always be at least 1 if the input is valid, so the loop will continue indefinitely.
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