OJ Board

Oh, i've already solved, this O(n

Hello folks,
take a look at this code, for question 543, what's causing Time Limit?

[code]
[c]
#define SIZE 1000000

char flags[SIZE+1];

void sieve(void){
long i, k;

for( i=0; i<=SIZE; i++ )
flags[i] = 1;

for( i=2; i<=SIZE; i++ ){
if( flags[i] )
for( k=i+i; k<=SIZE; k+=i )
flags[k] = 0 ...