//对于[10-99]之间的正整数N, 计算N^2+N+41的值R, 若R为质数, 输出N, R; 否则输出N, R 以及R的所有因数(非1与R)
static void solve2_10_3(int n)
{
double r = Math.Pow(n, 2) + n + 41;
if (UtilityApi.isPrime((int)r))
{
Shell.Write("N={0}, R={1}", n, r);
}
else
{
List <int> temp = UtilityApi.calcFactorList((int)r);
Shell.Write("N={0}, R={1}, R的因数:", n, r);
/*
* foreach (int it in temp) {
* if(it == 1 || it == r) {
* temp.Remove(it);
* }
* }
*/
int pCnt = 0;
foreach (int it in temp)
{
if (it == 1 || it == r)
{
continue;
}
else
{
Shell.Write((++pCnt == 1 ? "" : " ") + it);
}
}
}
Shell.WriteLine("");
}
public static void solve1_10_10(Random rnd)
{
int maxCount = 30;
List <int> randomList = new List <int>();
List <int> randomList2 = new List <int>();
for (int i = 0; i < maxCount; ++i)
{
int num = UtilityApi.randomNum(rnd, 2);
if (randomList.Find(ele => ele == num) == 0)
{
randomList.Add(num);
}
else
{
++maxCount;
}
}
/*randomList.ForEach(ele => {
* if (isPrime((int)ele)) {
* randomList.Remove(ele);
* }
* });*/
/*for (int i = 0; i < randomList.Count; i++) {
* int ele = randomList[i];
* if (isPrime((int)ele) || (int)ele % 2 == 0) {
* randomList.Remove(ele);
* }
* }*/
randomList.ForEach(ele => {
if (UtilityApi.isPrime((int)ele) || (int)ele % 2 == 0)
{
//
}
else
{
randomList2.Add(ele);
}
});
randomList2.Sort((lhs, rhs) => (int)(lhs - rhs));
int count = 0, pCnt = -1;
randomList2.ForEach(ele => {
Shell.Write((++pCnt == 0 ? "" : " ") + ele);
if (++count % 5 == 0)
{
Shell.WriteLine();
pCnt = -1;
}
});
Shell.WriteLine();
}