Merge pull request #109 from romankurnovskii/problems-27-156-157-158-159-161-163-170

Add solutions and explanations for problems 27, 156, 157, 158, 159, 161, 163, 170

Author: romankurnovskii

books/All.md

@@ -53,25 +53,20 @@
       1, 2, 3, 4, 5, 6, 7, 9, 11, 12, 13, 14, 15, 17, 19, 20, 21, 22, 23, 25, 26, 27, 28, 30, 31, 33, 34, 35, 36, 39, 42, 45, 46, 48, 49, 50, 52, 53,
       54, 55, 56, 57, 58, 61, 62, 63, 64, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 82, 84, 86, 88, 89, 92, 94, 97, 98, 100, 101,
       102, 103, 104, 105, 106, 108, 112, 114, 116, 117, 120, 121, 122, 123, 124, 125, 127, 128, 129, 130, 133, 134, 135, 136, 137, 138, 139, 141, 142,
-      146, 148, 149, 150, 151, 152, 153, 155, 160, 162, 167, 169, 172, 173, 188, 189, 190, 191, 198, 199, 200, 201, 202, 205, 206, 207, 208, 209, 210,
-      211, 212, 215, 216, 217, 219, 221, 222, 224, 226, 228, 230, 234, 235, 236, 238, 240, 242, 268, 274, 278, 283, 287, 289, 290, 295, 297, 300, 322,
-      328, 334, 337, 338, 344, 345, 347, 373, 374, 378, 380, 383, 392, 394, 399, 409, 412, 427, 433, 435, 437, 438, 443, 448, 450, 452, 460, 494, 502,
-      509, 530, 543, 547, 560, 581, 605, 617, 637, 643, 647, 649, 695, 700, 701, 704, 714, 724, 733, 735, 739, 746, 790, 841, 872, 875, 876, 901, 909,
-      918, 933, 973, 981, 994, 997, 1004, 1029, 1046, 1071, 1127, 1137, 1143, 1161, 1167, 1207, 1249, 1268, 1288, 1304, 1318, 1337, 1372, 1423, 1431,
-      1448, 1456, 1466, 1480, 1493, 1515, 1523, 1528, 1557, 1584, 1657, 1672, 1679, 1704, 1732, 1768, 1798, 1920, 1925, 1926, 1929, 1957, 1963, 2011,
-      2095, 2119, 2130, 2211, 2215, 2300, 2336, 2352, 2390, 2419, 2462, 2542, 2627, 2703, 2723, 2769, 2807, 2862, 2879, 2884, 2888, 2894, 2942, 3100,
-      3110, 3133, 3164, 3190, 3197, 3228, 3291, 3320, 3351, 3380, 3381, 3413, 3424, 3432, 3444, 3471, 3512, 3522, 3602, 3603, 3606, 3607, 3608, 3622,
-      3623, 3625, 3663, 3668, 3678, 3683, 3688, 3692, 3697, 3701, 3707, 3712, 3718, 3722, 3723, 3724, 3726, 3727, 3728, 3731, 3736, 3737, 3738, 3739,
-      3740, 3741, 3742, 3743, 3745, 3747, 3748, 3750, 3751, 3752, 3753, 3754, 3755, 3756, 3757, 3759, 3760, 3761, 3762, 3764, 3765, 3766, 3767, 3768,
-      3769, 3770, 3771, 3772
+      146, 148, 149, 150, 151, 152, 153, 155, 156, 157, 158, 159, 160, 161, 162, 163, 167, 169, 170, 172, 173, 188, 189, 190, 191, 198, 199, 200, 201,
+      202, 205, 206, 207, 208, 209, 210, 211, 212, 215, 216, 217, 219, 221, 222, 224, 226, 228, 230, 234, 235, 236, 238, 240, 242, 268, 274, 278, 283,
+      287, 289, 290, 295, 297, 300, 322, 328, 334, 337, 338, 344, 345, 347, 373, 374, 378, 380, 383, 392, 394, 399, 409, 412, 427, 433, 435, 437, 438,
+      443, 448, 450, 452, 460, 494, 502, 509, 530, 543, 547, 560, 581, 605, 617, 637, 643, 647, 649, 695, 700, 701, 704, 714, 724, 733, 735, 739, 746,
+      790, 841, 872, 875, 876, 901, 909, 918, 933, 973, 981, 994, 997, 1004, 1029, 1046, 1071, 1127, 1137, 1143, 1161, 1167, 1207, 1249, 1268, 1288,
+      1304, 1318, 1337, 1372, 1423, 1431, 1448, 1456, 1466, 1480, 1493, 1515, 1523, 1528, 1557, 1584, 1657, 1672, 1679, 1704, 1732, 1768, 1798, 1920,
+      1925, 1926, 1929, 1957, 1963, 2011, 2095, 2119, 2130, 2211, 2215, 2300, 2336, 2352, 2390, 2419, 2462, 2542, 2627, 2703, 2723, 2769, 2807, 2862,
+      2879, 2884, 2888, 2894, 2942, 3100, 3110, 3133, 3164, 3190, 3197, 3228, 3291, 3320, 3351, 3380, 3381, 3413, 3424, 3432, 3444, 3471, 3512, 3522,
+      3602, 3603, 3606, 3607, 3608, 3622, 3623, 3625, 3663, 3668, 3678, 3683, 3688, 3692, 3697, 3701, 3707, 3712, 3718, 3722, 3723, 3724, 3726, 3727,
+      3728, 3731, 3736, 3737, 3738, 3739, 3740, 3741, 3742, 3743, 3745, 3747, 3748, 3750, 3751, 3752, 3753, 3754, 3755, 3756, 3757, 3759, 3760, 3761,
+      3762, 3764, 3765, 3766, 3767, 3768, 3769, 3770, 3771, 3772
     ]
   },
-  {
-    "title": "Visualization",
-    "description": "",
-    "tags": [],
-    "problems": [1, 2, 11, 1431, 1679, 1768, 1798, 2215, 3603, 3622, 3623]
-  },
+  {"title": "Visualization", "description": "", "tags": [], "problems": [1, 2, 11, 1431, 1679, 1768, 1798, 2215, 3603, 3622, 3623]},
   {
     "title": "All-TODO",
     "description": "",