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java
2 years ago
1.9 kB
3
Indexable
Never
package literatePrimes;
public class PrintPrimes {
    public static void main(String[] args) {
        final int M = 1000;
        final int RR = 50;
        final int CC = 4;
        final int WW = 10;
        final int ORDMAX = 30;
        int P[] = new int[M + 1];
        int PAGENUMBER;
        int PAGEOFFSET;
        int ROWOFFSET;
        int C;
        int J;
        int K;
        boolean JPRIME;
        int ORD;
        int SQUARE;
        int N;
        int MULT[] = new int[ORDMAX + 1];
        J = 1;
        K = 1;
        P[1] = 2;
        ORD = 2;
        SQUARE = 9;
        while (K < M) {
            do {
                J = J + 2;
                if (J == SQUARE) {
                    ORD = ORD + 1;
                    SQUARE = P[ORD] * P[ORD];
                    MULT[ORD - 1] = J;
                }
                N = 2;
                JPRIME = true;
                while (N < ORD && JPRIME) {
                while (MULT[N] < J)
                MULT[N] = MULT[N] + P[N] + P[N];
                if (MULT[N] == J)
                JPRIME = false;
                N = N + 1;
            }
            } while (!JPRIME);
            K = K + 1;
            P[K] = J;
        }
        
        PAGENUMBER = 1;
        PAGEOFFSET = 1;
        while (PAGEOFFSET <= M) {
            System.out.println("The First " + M +
            " Prime Numbers --- Page " + PAGENUMBER);
            System.out.println("");
            for (ROWOFFSET = PAGEOFFSET; ROWOFFSET < PAGEOFFSET + RR; ROWOFFSET++){
            for (C = 0; C < CC;C++)
            if (ROWOFFSET + C * RR <= M)
            System.out.format("%10d", P[ROWOFFSET + C * RR]);
            System.out.println("");
            }
            System.out.println("\f");
            PAGENUMBER = PAGENUMBER + 1;
            PAGEOFFSET = PAGEOFFSET + RR * CC;
        }
        
    }
}