ID Title Ratio(AC/Submit)
1200 How many squares 336/948
1201 Czyptoghophy 9/38
1202 Easy task 170/360
1203 Union 38/239
1204 Mixed up numbers 37/158
1205 Primes' Sum 82/324
1206 Linear Algebra 43/69
1207 PB 125/196
1208 Operator + and operator ^ 130/498
1209 Playing games 63/133
1210 Is it possible? 13/74
1211 Mr. Y's investment plan 14/150
1212 Cubic-free numbers I 216/479
1213 Prime's Sum Again 18/118
1214 Cubic-free numbers II 92/803
1215 The expected distance 3/58
1216 Birds 13/109
1217 How many solutions? 78/172
1218 Acman and his GirlFriend 29/98
1219 Balance Binary Search Tree 19/149
1220 Coins 17/65
1221 Derangement 2/3
1222 Easy or Hard 212/538
1223 Friends 11/37
1224 God’s Palace 4/18
1225 Help! 3/8
1226 Integers 5/63
1227 Join Together 11/25
1228 区间合并 33/133
1229 Periodic Operation 6/24
1230 beautiful 44/151
1231 Coin 12/43
1232 dangerous 6/63
1233 Let's play a game 101/411
1234 Minimum Power 65/198
1235 Beauty of sceneries 76/285
1236 Sort The Number 35/207
1237 True or False? 97/228
1238 Message 57/200
1239 I am a PR man 78/338
1240 Yet Another A+B Problem 34/139
1241 Cube Tower 1 16/51
1242 Cube Tower 2 8/52
1243 Compare 88/179
1244 Fibonacci numbers 77/204
1245 inversion pair I 92/130
1246 inversion pair II 84/377
1247 LL's lock 52/91
1248 Frog's insects 55/208
1249 LL's cafe 49/148
1250 New Gobang 26/118
1251 LL's sink 22/64
1252 Cranes 23/44
1253 WiFi 8/12
1254 Exact Change 152/593
1255 Dominos 2 35/85
1256 Logo 2 13/44
1257 Laurel Creek 2/10
1258 Rocket Stages 4/14
1259 Virtual Friends 24/50
1260 Dominos 36/85
1261 Logo 32/83
1262 LL’s Arithmetic 40/111
1263 LL's sort 220/522
1264 LL’s Fence 6/14
1265 LL’s poker 50/93
1266 LL’s brain 19/57
1267 LL’s cake 14/28
1268 LL’s bees 14/25
1269 Gangs 5/24
1270 Smeech 26/134
1271 The Dragon of Loowater 58/120
1272 MULTIPLE 13/51
1273 COURSES 44/100
1274 Bouncing balls 6/18
1275 Easy representation 23/87
1276 Going to the movies 9/15
1277 Jumbo Airlines 8/19
1278 Karl's shopping 24/44
1279 Solve Rubiks 3/14
1280 Sixth Grade Math 88/107
1281 Cryptoquote 46/202
1282 Binary Clock 35/42
1283 Recursively Palindromic Partitions 27/50
1284 Text Messaging Improvement? 35/103
1285 Extended Normal Order Sort 17/56
1286 Area of Polycubes 20/58
1287 The Two Note Rag 3/6
1289 Alea iacta est 1/4
1290 On-Line Banking 10/27
1291 International Collegiate Programming Contest 1/4
1292 Careful Declaration 6/27
1293 Stock Exchange 16/22
1294 Wooden Fence 11/26
1295 Safe Gambling 2/9
1296 Government Help 8/14
1297 Tree Insertions 10/13
1298 A Magic Circle 8/16
1299 Baijingyuan’s celebration 41/176
1300 Card 15/136
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