// [SolutionMethod]
public TAnswer TotalBruteForce(TSample Sample)
{
ArrayManipulationSample sample = Sample as ArrayManipulationSample;
Int32 n = sample.n;
Int32[][] queries = sample.queries;
Int32 m = queries.Length;
Int64[] vals = new Int64[n];
for (int i = 0; i < m; i++)
{
for (int j = queries[i][0] - 1; j <= queries[i][1] - 1; j++)
{
vals[j] += queries[i][2];
}
}
Int64 MaxValue = Int64.MinValue;
for (int i = 0; i < n; i++)
{
if (vals[i] > MaxValue)
{
MaxValue = vals[i];
}
}
return(new ArrayManipulationAnswer()
{
MaxValue = MaxValue
});
}
public TAnswer test1(TSample Sample)
{
ArrayManipulationSample sample = Sample as ArrayManipulationSample;
Int32 n = sample.n;
Int32[][] queries = sample.queries;
Int32 m = queries.Length;
Int64[] numList = new Int64[n + 1];
for (int i = 0; i < m; i++)
{
Int64 a = queries[i][0];
Int64 b = queries[i][1];
Int64 k = queries[i][2];
numList[a] += k;
if (b + 1 <= n)
{
numList[b + 1] -= k;
}
}
long tempMax = 0;
long max = 0;
for (int i = 1; i <= n; i++)
{
tempMax += numList[i];
if (tempMax > max)
{
max = tempMax;
}
}
return(new ArrayManipulationAnswer()
{
MaxValue = max
});
}
public override void CreateSamples(StreamReader reader)
{
string[] nm = reader.ReadLine().Split(' ');
Int32 n = Convert.ToInt32(nm[0]);
Int32 m = Convert.ToInt32(nm[1]);
Int32[][] queries = new Int32[m][];
for (int i = 0; i < m; i++)
{
Int32[] query = Array.ConvertAll(reader.ReadLine().Split(' '), sTemp => Convert.ToInt32(sTemp));
queries[i] = query;
}
ArrayManipulationSample sample = new ArrayManipulationSample()
{
n = n, queries = queries
};
Samples.Add(sample);
}
//[SolutionMethod]
public TAnswer BruteForce(TSample Sample)
{
ArrayManipulationSample sample = Sample as ArrayManipulationSample;
Int32 n = sample.n;
Int32[][] queries = sample.queries;
Int32 m = queries.Length;
Array.Sort(queries, new Comparison <Int32[]>((x, y) =>
{
if (x[0] - y[0] != 0)
{
return(x[0] - y[0]);
}
else
{
return(x[1] - y[1]);
}
}));
List <Int64[]> ranges = new List <Int64[]>()
{
new Int64[] { 0, n - 1, 0 }
};
for (int i = 0; i < m; i++)
{
Int32 Start = queries[i][0] - 1;
Int32 End = queries[i][1] - 1;
Int32 Value = queries[i][2];
List <Int64[]> new_ranges = new List <Int64[]>();
for (int j = 0; j < ranges.Count; j++)
{
Int64 CurrentRangeStart = ranges[j][0];
Int64 CurrentRangeEnd = ranges[j][1];
Int64 CurrentRangeValue = ranges[j][2];
//если нет пересеченй
if ((Start < CurrentRangeStart && End < CurrentRangeStart) || ((Start > CurrentRangeEnd && End > CurrentRangeEnd)))
{
new_ranges.Add(ranges[j]);
continue;
}
if (Start <= CurrentRangeStart)
{
if (End >= CurrentRangeEnd)
{
ranges[j][2] = CurrentRangeValue + Value;
new_ranges.Add(ranges[j]);
}
else
{
Int64[] new_range = new Int64[] { CurrentRangeStart, End, CurrentRangeValue + Value };
ranges[j][0] = End + 1;
new_ranges.Add(new_range);
new_ranges.Add(ranges[j]);
for (int k = j + 1; k < ranges.Count; k++)
{
new_ranges.Add(ranges[k]);
}
ranges = new_ranges;
break;
}
}
else
{// if Start > RangeStart
Int64[] new_range = new Int64[] { CurrentRangeStart, Start - 1, CurrentRangeValue };
new_ranges.Add(new_range);
if (End >= CurrentRangeEnd)
{
ranges[j][0] = Start;
ranges[j][1] = CurrentRangeEnd;
ranges[j][2] = CurrentRangeValue + Value;
new_ranges.Add(ranges[j]);
}
else
{
ranges[j][0] = Start;
ranges[j][1] = End;
ranges[j][2] = CurrentRangeValue + Value;
new_ranges.Add(ranges[j]);
Int64[] new_range2 = new Int64[] { End + 1, CurrentRangeEnd, CurrentRangeValue };
new_ranges.Add(new_range2);
}
}
}
ranges = new_ranges;
//слияние одинаковых
new_ranges = new List <Int64[]>();
new_ranges.Add(ranges[0]);
for (int k = 1; k < ranges.Count; k++)
{
if (new_ranges[new_ranges.Count - 1][2] == ranges[k][2])
{
new_ranges[new_ranges.Count - 1][1] = ranges[k][1];
}
else
{
new_ranges.Add(ranges[k]);
}
}
ranges = new_ranges;
}
Int64 MaxValue = Int64.MinValue;
for (int i = 0; i < ranges.Count; i++)
{
if (i < ranges.Count - 1 && ranges[i] == ranges[i + 1])
{
Console.WriteLine("equal!!!");
}
if (ranges[i][2] > MaxValue)
{
MaxValue = ranges[i][2];
}
}
return(new ArrayManipulationAnswer()
{
MaxValue = MaxValue
});
}
public TAnswer DP3(TSample Sample)
{
ArrayManipulationSample sample = Sample as ArrayManipulationSample;
Int32 n = sample.n;
Int32[][] queries = sample.queries;
Int32 m = queries.Length;
Array.Sort(queries, new Comparison <Int32[]>((x, y) =>
{
Int32 FirstIndex = 0;
Int32 SecondIndex = 1;
Int32 ThirdIndex = 2;
if (x[FirstIndex] - y[FirstIndex] != 0)
{
return(x[FirstIndex] - y[FirstIndex]);
}
else
{
if (x[SecondIndex] - y[SecondIndex] != 0)
{
return(x[SecondIndex] - y[SecondIndex]);
}
else
{
return(x[ThirdIndex] - y[ThirdIndex]);
}
}
}));
Int64 MaxRS = 0;
var Points = queries.Select(q => q[0]).Distinct().ToArray();
//Int64[] RS = new Int64[Points.Length];
unsafe
{
Int64 *RS = stackalloc Int64[Points.Length];
Int32 next = 0;
Int32 j;
Boolean nextFound = false;
for (int i = 0; i < m; i++)
{
j = next;
while (j < Points.Length && Points[j] >= queries[i][0] && Points[j] <= queries[i][1])
{
RS[j] += queries[i][2];
if (!nextFound && i < m - 1 && queries[i + 1][0] == Points[j])
{
next = j;
nextFound = true;
}
j++;
if (MaxRS < RS[j])
{
MaxRS = RS[j];
}
}
if (!nextFound && i < m - 1 && j < Points.Length)
{
while (j < Points.Length && queries[i + 1][0] != Points[j])
{
j++;
}
next = j;
}
nextFound = false;
}
//MaxRS = RS.Max();
}
return(new ArrayManipulationAnswer()
{
MaxValue = MaxRS
});
}
// [SolutionMethod]
public TAnswer DP2(TSample Sample)
{
ArrayManipulationSample sample = Sample as ArrayManipulationSample;
Int32 n = sample.n;
Int32[][] queries = sample.queries;
Int32 m = queries.Length;
Array.Sort(queries, new Comparison <Int32[]>((x, y) =>
{
Int32 FirstIndex = 0;
Int32 SecondIndex = 1;
Int32 ThirdIndex = 2;
if (x[FirstIndex] - y[FirstIndex] != 0)
{
return(x[FirstIndex] - y[FirstIndex]);
}
else
{
if (x[SecondIndex] - y[SecondIndex] != 0)
{
return(x[SecondIndex] - y[SecondIndex]);
}
else
{
return(x[ThirdIndex] - y[ThirdIndex]);
}
}
}));
Int64 MaxRS = 0;
Int32[] Points = queries.Select(q => q[0]).Distinct().ToArray();
Int64[] RS = new Int64[n + 1];
Int32 next = 0;
Boolean nextfound = false;
for (int i = 0; i < Points.Length; i++)
{
Int32 QH = 0;
for (int j = 0; j < m; j++)
{
if (queries[j][0] > Points[i])
{
continue;
}
if (queries[j][0] <= Points[i] && queries[j][1] >= Points[i])
{
RS[Points[i]] += queries[j][2];
QH++;
}
}
if (QH == m)
{
Console.WriteLine("QGF");
return(new ArrayManipulationAnswer()
{
MaxValue = RS.Max()
});
}
}
MaxRS = RS.Max();
return(new ArrayManipulationAnswer()
{
MaxValue = MaxRS
});
}
//[SolutionMethod]
public TAnswer Mitm(TSample Sample)
{
ArrayManipulationSample sample = Sample as ArrayManipulationSample;
Int32 n = sample.n;
Int32[][] queries = sample.queries;
Int32 m = queries.Length;
Array.Sort(queries, new Comparison <Int32[]>((x, y) =>
{
/*
* if (x[0] - y[0] != 0)
* {
* return x[0] - y[0];
* }
* else
* {
* return x[1] - y[1];
* }
*/
if (x[1] - y[1] != 0)
{
return(x[1] - y[1]);
}
else
{
return(x[0] - y[0]);
}
}));
Int32 Middle = queries.Length / 2;
if (queries[Middle][1] > n / 2)
{
while (queries[Middle][1] > n / 2)
{
Middle--;
}
;
}
else
{
while (queries[Middle][1] < n / 2)
{
Middle++;
}
;
}
Int64[] vLeft = new Int64[queries[Middle][1]];
Int64 vLeftMax = 0;
for (int i = 0; i <= Middle; i++)
{
for (int j = queries[i][0] - 1; j <= queries[i][1] - 1; j++)
{
vLeft[j] += queries[i][2];
if (vLeft[j] > vLeftMax)
{
vLeftMax = vLeft[j];
}
}
}
Int64[] vRight = new Int64[n - queries[Middle][1]];
Int64 vRightMax = 0;
for (int i = Middle + 1; i < n; i++)
{
for (int j = queries[i][0] - 1; j <= queries[i][1] - 1; j++)
{
vRight[j] += queries[i][2];
if (vRight[j] > vRightMax)
{
vRightMax = vRight[j];
}
}
}
return(new ArrayManipulationAnswer()
{
MaxValue = Math.Max(vLeftMax, vRightMax)
});
}