[ImgBot] Optimize images

*Total -- 964.58kb -> 722.03kb (25.15%)

/solution/1300-1399/1391.Check if There is a Valid Path in a Grid/images/e2.png -- 11.03kb -> 0.73kb (93.42%)
/solution/1300-1399/1391.Check if There is a Valid Path in a Grid/images/e1.png -- 14.31kb -> 1.63kb (88.62%)
/solution/1400-1499/1496.Path Crossing/images/screen-shot-2020-06-10-at-123843-pm.png -- 43.33kb -> 7.01kb (83.83%)
/solution/1400-1499/1496.Path Crossing/images/screen-shot-2020-06-10-at-123929-pm.png -- 33.22kb -> 6.71kb (79.79%)
/solution/1300-1399/1391.Check if There is a Valid Path in a Grid/images/main.png -- 20.38kb -> 4.57kb (77.55%)
/solution/1400-1499/1457.Pseudo-Palindromic Paths in a Binary Tree/images/graph.png -- 11.64kb -> 2.73kb (76.53%)
/solution/1400-1499/1489.Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree/images/msts.png -- 28.08kb -> 6.63kb (76.38%)
/solution/1400-1499/1457.Pseudo-Palindromic Paths in a Binary Tree/images/graph-1.png -- 15.36kb -> 4.21kb (72.6%)
/solution/1500-1599/1514.Path with Maximum Probability/images/1558_ex3.png -- 4.62kb -> 2.10kb (54.59%)
/solution/1500-1599/1514.Path with Maximum Probability/images/1558_ex2.png -- 6.40kb -> 2.97kb (53.58%)
/solution/1500-1599/1514.Path with Maximum Probability/images/1558_ex1.png -- 6.25kb -> 3.01kb (51.88%)
/solution/1400-1499/1420.Build Array Where You Can Find The Maximum Exactly K Comparisons/images/e.png -- 10.23kb -> 4.97kb (51.38%)
/solution/1500-1599/1521.Find a Value of a Mysterious Function Closest to Target/images/change.png -- 6.91kb -> 3.80kb (45.06%)
/solution/1400-1499/1489.Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree/images/ex2.png -- 9.18kb -> 5.20kb (43.38%)
/solution/1400-1499/1489.Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree/images/ex1.png -- 11.13kb -> 6.59kb (40.8%)
/solution/1400-1499/1401.Circle and Rectangle Overlapping/images/sample_4_1728.png -- 4.97kb -> 3.03kb (39.09%)
/solution/1400-1499/1494.Parallel Courses II/images/leetcode_parallel_courses_1.png -- 5.65kb -> 3.86kb (31.75%)
/solution/1400-1499/1494.Parallel Courses II/images/leetcode_parallel_courses_2.png -- 8.39kb -> 5.75kb (31.48%)
/solution/1500-1599/1535.Find the Winner of an Array Game/images/q-example.png -- 28.82kb -> 20.19kb (29.92%)
/solution/1400-1499/1465.Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts/images/leetcode_max_area_2.png -- 2.96kb -> 2.24kb (24.43%)
/solution/1400-1499/1465.Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts/images/leetcode_max_area_3.png -- 2.71kb -> 2.06kb (23.84%)
/solution/1300-1399/1386.Cinema Seat Allocation/images/cinema_seats_1.png -- 9.06kb -> 6.96kb (23.18%)
/solution/1300-1399/1388.Pizza With 3n Slices/images/sample_3_1723.png -- 75.87kb -> 58.98kb (22.26%)
/solution/1400-1499/1483.Kth Ancestor of a Tree Node/images/1528_ex1.png -- 18.67kb -> 14.59kb (21.86%)
/solution/1300-1399/1388.Pizza With 3n Slices/images/sample_4_1723.png -- 67.14kb -> 55.30kb (17.65%)
/solution/1500-1599/1515.Best Position for a Service Centre/images/q4_edited.jpg -- 8.02kb -> 6.79kb (15.34%)
/solution/1500-1599/1552.Magnetic Force Between Two Balls/images/q3v1.jpg -- 27.48kb -> 23.75kb (13.59%)
/solution/1400-1499/1401.Circle and Rectangle Overlapping/images/sample_2_1728.png -- 2.87kb -> 2.51kb (12.48%)
/solution/1400-1499/1463.Cherry Pickup II/images/sample_1_1802.png -- 26.92kb -> 25.06kb (6.88%)
/solution/1400-1499/1448.Count Good Nodes in Binary Tree/images/test_sample_2.png -- 4.61kb -> 4.30kb (6.72%)
/solution/1400-1499/1453.Maximum Number of Darts Inside of a Circular Dartboard/images/sample_2_1806.png -- 9.54kb -> 8.92kb (6.43%)
/solution/1400-1499/1401.Circle and Rectangle Overlapping/images/sample_6_1728.png -- 2.28kb -> 2.14kb (6.38%)
/solution/1400-1499/1453.Maximum Number of Darts Inside of a Circular Dartboard/images/sample_1_1806.png -- 6.65kb -> 6.23kb (6.31%)
/solution/1400-1499/1448.Count Good Nodes in Binary Tree/images/test_sample_1.png -- 7.42kb -> 6.97kb (5.99%)
/solution/1400-1499/1463.Cherry Pickup II/images/sample_2_1802.png -- 27.22kb -> 25.81kb (5.2%)
/solution/1500-1599/1515.Best Position for a Service Centre/images/q4_e3.jpg -- 7.76kb -> 7.36kb (5.16%)
/solution/1500-1599/1515.Best Position for a Service Centre/images/q4_e1.jpg -- 7.87kb -> 7.51kb (4.59%)
/solution/1400-1499/1478.Allocate Mailboxes/images/sample_11_1816.png -- 13.78kb -> 13.17kb (4.45%)
/solution/1500-1599/1536.Minimum Swaps to Arrange a Binary Grid/images/fw.jpg -- 55.29kb -> 53.00kb (4.15%)
/solution/1500-1599/1528.Shuffle String/images/q1.jpg -- 21.69kb -> 20.85kb (3.85%)
/solution/1400-1499/1424.Diagonal Traverse II/images/sample_2_1784.png -- 11.18kb -> 10.76kb (3.74%)
/solution/1400-1499/1437.Check If All 1's Are at Least Length K Places Away/images/sample_1_1791.png -- 7.62kb -> 7.35kb (3.52%)
/solution/1400-1499/1478.Allocate Mailboxes/images/sample_2_1816.png -- 11.63kb -> 11.23kb (3.43%)
/solution/1400-1499/1424.Diagonal Traverse II/images/sample_1_1784.png -- 4.87kb -> 4.72kb (3.11%)
/solution/1500-1599/1547.Minimum Cost to Cut a Stick/images/e1.jpg -- 57.57kb -> 55.86kb (2.97%)
/solution/1500-1599/1530.Number of Good Leaf Nodes Pairs/images/e1.jpg -- 10.41kb -> 10.11kb (2.94%)
/solution/1500-1599/1547.Minimum Cost to Cut a Stick/images/e11.jpg -- 54.49kb -> 52.91kb (2.9%)
/solution/1500-1599/1530.Number of Good Leaf Nodes Pairs/images/e2.jpg -- 17.64kb -> 17.14kb (2.83%)
/solution/1400-1499/1437.Check If All 1's Are at Least Length K Places Away/images/sample_2_1791.png -- 5.81kb -> 5.67kb (2.37%)
/solution/1500-1599/1519.Number of Nodes in the Sub-Tree With the Same Label/images/q3e2.jpg -- 11.98kb -> 11.70kb (2.32%)
/solution/1400-1499/1466.Reorder Routes to Make All Paths Lead to the City Zero/images/sample_1_1819.png -- 9.92kb -> 9.70kb (2.22%)
/solution/1500-1599/1519.Number of Nodes in the Sub-Tree With the Same Label/images/q3e3.jpg -- 14.51kb -> 14.23kb (1.97%)
/solution/1500-1599/1519.Number of Nodes in the Sub-Tree With the Same Label/images/q3e1.jpg -- 20.02kb -> 19.64kb (1.93%)
/solution/1500-1599/1537.Get the Maximum Score/images/sample_1_1893.png -- 15.24kb -> 15.03kb (1.36%)
/solution/1300-1399/1386.Cinema Seat Allocation/images/cinema_seats_3.png -- 12.76kb -> 12.67kb (0.69%)
/solution/1500-1599/1536.Minimum Swaps to Arrange a Binary Grid/images/e2.jpg -- 13.24kb -> 13.15kb (0.65%)

Signed-off-by: ImgBotApp <ImgBotHelp@gmail.com>

Author: ImgBotApp