/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4/bits/stl_algobase.h: In member function ‘void RectangleCollection::testAll(int)’:
/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4/bits/stl_algobase.h:193: warning: assuming signed overflow does not occur when assuming that (X + c) < X is always false
/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4/bits/stl_algobase.h:193: warning: assuming signed overflow does not occur when assuming that (X + c) < X is always false
/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4/bits/stl_algobase.h:193: warning: assuming signed overflow does not occur when assuming that (X + c) < X is always false
/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4/bits/stl_algobase.h:193: warning: assuming signed overflow does not occur when assuming that (X + c) < X is always false
/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4/bits/stl_algobase.h:193: warning: assuming signed overflow does not occur when assuming that (X + c) < X is always false
/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4/bits/stl_algobase.h:215: warning: assuming signed overflow does not occur when assuming that (X + c) >= X is always true
/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4/bits/stl_algobase.h:193: warning: assuming signed overflow does not occur when assuming that (X + c) < X is always false
/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4/bits/stl_algobase.h:215: warning: assuming signed overflow does not occur when assuming that (X + c) >= X is always true

RectangleCollectionByLineSweep: 
calculated area of 100 rects in 0 seconds
calculated area of 100 rects in 0 seconds
calculated area of 100 rects in 0 seconds
calculated area of 100 rects in 0 seconds

RectangleCollectionByIntervalTree: 
calculated area of 100 rects in 0 seconds
calculated area of 100 rects in 0 seconds
calculated area of 100 rects in 0 seconds
calculated area of 100 rects in 0 seconds

RectangleCollectionByBoolMatrix: 
calculated area of 100 rects in 0 seconds
calculated area of 100 rects in 0.01 seconds
calculated area of 100 rects in 0 seconds
calculated area of 100 rects in 0 seconds

Comparison: 
calculated area of 100 rects in 0 seconds