题解 | #二进制插入#

import java.util.*;

public class BinInsert { public int binInsert(int n, int m, int j, int i) {

    //1024 0100 0000 0000
    //19   0001 0011
    //2    0000 0010
    //6    0000 0101
    // m左移j位
    m <<= j;
    return n | m;
}

}