C C++ Errors Question:

void main()
{
int i=7;
printf("N= %*d",i,i);
}

Its output would be 7,

"%*d"

here * symbol doesn't affect of operation of %d.

so 7 is set to value in variable i.

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What is run time error?	void main() { int i=5,y=3,z=2,ans; clrscr(); printf("%d",++i + --z + i++ + --i * ++y); i=5,y=3,z=2; ans=++i + --z + i++ + --i * ++y; printf("n%d",ans); getch(); } Its output is 37 and 31.... Please explain me why its different How it works?