C Prime Number Serise using Sieve Method

#include<stdio.h>

int main()
{
    int n[100], i,j;
    for(i=0;i<100;i++) n[i] = 0;
    for(i=2;i<100;i++,j++)
    {
        for(j=i;j<=100;j++)
        {
            int m = j*i;
            if(m<100) n[m] = 1;
        }
    }
    for(i=2;i<100;i++)
    {
        if(n[i] == 0) printf("\t %d",i);
    }
    return 0;
}