public TAnswer SumsArray(TSample Sample)
{
MaximumSubarraySumSample sample = Sample as MaximumSubarraySumSample;
Int64[] arr = sample.arr;
Int64 m = sample.m;
Int64[] sums = new Int64[arr.Length];
Int64 result = 0;
Int64 temp = 0;
for (int i = 0; i < arr.Length; i++)
{
arr[i] = arr[i] % m;
temp = (arr[i] + temp) % m;
sums[i] = temp;
if (temp > result)
{
result = temp;
}
if (arr[i] > result)
{
result = arr[i];
}
}
Int32[] idx = Enumerable.Range(0, sums.Length).ToArray();
QS(sums, 0, sums.Length - 1, idx);
for (int i = 0; i < sums.Length - 1; i++)
{
if (idx[i] > idx[i + 1])
{
temp = (sums[i] - sums[i + 1] + m) % m;
if (temp > result)
{
result = temp;
}
}
}
return(new MaximumSubarraySumAnswer()
{
result = result
});
}
public override void CreateSamples(StreamReader reader)
{
int q = Convert.ToInt32(reader.ReadLine());
for (int qItr = 0; qItr < q; qItr++)
{
string[] nm = reader.ReadLine().Split(' ');
int n = Convert.ToInt32(nm[0]);
long m = Convert.ToInt64(nm[1]);
long[] a = Array.ConvertAll(reader.ReadLine().Split(' '), aTemp => Convert.ToInt64(aTemp));
MaximumSubarraySumSample sample = new MaximumSubarraySumSample()
{
arr = a, m = m
};
Samples.Add(sample);
}
}
//[SolutionMethod]
public TAnswer OpDP(TSample Sample)
{
MaximumSubarraySumSample sample = Sample as MaximumSubarraySumSample;
Int64[] arr = sample.arr;
Int64 m = sample.m;
Int32 nc = 0;
Int64 maxm = 0;
for (int i = 0; i < arr.Length; i++)
{
arr[nc] = arr[i] % m;
if (arr[nc] != 0)
{
if (maxm < arr[nc])
{
maxm = arr[nc];
}
nc++;
}
}
Int64 result = maxm;
if (result != m - 1)
{
Int64[] v = new Int64[arr.Length];
Int32 vc = 1;
v[0] = arr[0];
for (int i = 1; i < nc; i++)
{
Int32 vptr = -1;
for (int j = 0; j < vc; j++)
{
Int64 ts = v[j] + arr[i];
if (ts == m)
{
continue;
}
if (ts > m)
{
ts = ts - m;
}
vptr++;
v[vptr] = ts;
if (v[vptr] > result)
{
result = v[vptr];
}
}
vptr++;
v[vptr] = arr[i];
vc = vptr + 1;
}
Int64[] vcd = v.Take(vc).Distinct().ToArray();
Console.WriteLine($"vc = {vc} vcd count = {vcd.Count()}");
}
return(new MaximumSubarraySumAnswer()
{
result = result
});
}
