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< p > Implement the class < code > SubrectangleQueries< / code > which receives a < code > rows x cols< / code > rectangle as a matrix of integers in the constructor and supports two methods:< / p >
< p > 1.< code > updateSubrectangle(int row1, int col1, int row2, int col2, int newValue)< / code > < / p >
< ul >
< li > Updates all values with < code > newValue< / code > in the subrectangle whose upper left coordinate is < code > (row1,col1)< / code > and bottom right coordinate is < code > (row2,col2)< / code > .< / li >
< / ul >
< p > 2.< code > getValue(int row, int col)< / code > < / p >
< ul >
< li > Returns the current value of the coordinate < code > (row,col)< / code > from the rectangle.< / li >
< / ul >
< p > < / p >
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< p > < strong class = "example" > Example 1:< / strong > < / p >
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< pre >
< strong > Input< / strong >
[" SubrectangleQueries" ," getValue" ," updateSubrectangle" ," getValue" ," getValue" ," updateSubrectangle" ," getValue" ," getValue" ]
[[[[1,2,1],[4,3,4],[3,2,1],[1,1,1]]],[0,2],[0,0,3,2,5],[0,2],[3,1],[3,0,3,2,10],[3,1],[0,2]]
< strong > Output< / strong >
[null,1,null,5,5,null,10,5]
< strong > Explanation< / strong >
SubrectangleQueries subrectangleQueries = new SubrectangleQueries([[1,2,1],[4,3,4],[3,2,1],[1,1,1]]);
// The initial rectangle (4x3) looks like:
// 1 2 1
// 4 3 4
// 3 2 1
// 1 1 1
subrectangleQueries.getValue(0, 2); // return 1
subrectangleQueries.updateSubrectangle(0, 0, 3, 2, 5);
// After this update the rectangle looks like:
// 5 5 5
// 5 5 5
// 5 5 5
// 5 5 5
subrectangleQueries.getValue(0, 2); // return 5
subrectangleQueries.getValue(3, 1); // return 5
subrectangleQueries.updateSubrectangle(3, 0, 3, 2, 10);
// After this update the rectangle looks like:
// 5 5 5
// 5 5 5
// 5 5 5
// 10 10 10
subrectangleQueries.getValue(3, 1); // return 10
subrectangleQueries.getValue(0, 2); // return 5
< / pre >
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< p > < strong class = "example" > Example 2:< / strong > < / p >
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< pre >
< strong > Input< / strong >
[" SubrectangleQueries" ," getValue" ," updateSubrectangle" ," getValue" ," getValue" ," updateSubrectangle" ," getValue" ]
[[[[1,1,1],[2,2,2],[3,3,3]]],[0,0],[0,0,2,2,100],[0,0],[2,2],[1,1,2,2,20],[2,2]]
< strong > Output< / strong >
[null,1,null,100,100,null,20]
< strong > Explanation< / strong >
SubrectangleQueries subrectangleQueries = new SubrectangleQueries([[1,1,1],[2,2,2],[3,3,3]]);
subrectangleQueries.getValue(0, 0); // return 1
subrectangleQueries.updateSubrectangle(0, 0, 2, 2, 100);
subrectangleQueries.getValue(0, 0); // return 100
subrectangleQueries.getValue(2, 2); // return 100
subrectangleQueries.updateSubrectangle(1, 1, 2, 2, 20);
subrectangleQueries.getValue(2, 2); // return 20
< / pre >
< p > < / p >
< p > < strong > Constraints:< / strong > < / p >
< ul >
< li > There will be at most < code > < font face = "monospace" > 500< / font > < / code > operations considering both methods: < code > updateSubrectangle< / code > and < code > getValue< / code > .< / li >
< li > < code > 1 < = rows, cols < = 100< / code > < / li >
< li > < code > rows == rectangle.length< / code > < / li >
< li > < code > cols == rectangle[i].length< / code > < / li >
< li > < code > 0 < = row1 < = row2 < rows< / code > < / li >
< li > < code > 0 < = col1 < = col2 < cols< / code > < / li >
< li > < code > 1 < = newValue, rectangle[i][j] < = 10^9< / code > < / li >
< li > < code > 0 < = row < rows< / code > < / li >
< li > < code > 0 < = col < cols< / code > < / li >
< / ul >
