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ZOJ Problem Set Vol 4
Vol 1   Vol 2   Vol 3   Vol 4   Vol 5   Vol 6   Vol 7   Vol 8   Vol 9   Vol 10   Vol 11   Vol 12   Vol 13   Vol 14   Vol 15   Vol 16   Vol 17   Vol 18   Vol 19   Vol 20   Vol 21   Vol 22   Vol 23   Vol 24   Vol 25   Vol 26   Vol 27   Vol 28   Vol 29   Vol 30  
ID Title Ratio (AC/All)
1301 The New Villa 31.96% (592/1852)
1302 Ships 32.35% (55/170)
1303 Jury Compromise 20.50% (277/1351)
1304 Tin Cutter 23.20% (71/306)
1305 FORCAL 27.64% (34/123)
1306 L-system 10.66% (24/225)
1307 Packets 33.35% (991/2971)
1308 Crosswords 24.55% (55/224)
1309 Intervals 33.49% (69/206)
1310 Robot 28.37% (267/941)
1311 Network 40.59% (1034/2547)
1312 Prime Cuts 32.58% (2251/6909)
1313 Gears on a Board 12.64% (22/174)
1314 Uniform Generator 40.33% (1775/4401)
1315 Excuses, Excuses! 38.48% (802/2084)
1316 Station Balance 26.16% (45/172)
1317 Centipede Collisions 21.91% (16/73)
1318 Table 12.64% (22/174)
1319 Black Box 31.65% (441/1393)
1320 DEL Command 16.00% (28/175)
1321 Parallelepiped Walk 22.98% (74/322)
1322 Random Number 20.37% (11/54)
1323 Moscow Time 25.58% (33/129)
1324 Unix ls 19.93% (261/1309)
1325 Palindromes 36.72% (913/2486)
1326 M*A*S*H 41.31% (540/1307)
1327 Postscript 25.64% (30/117)
1328 Radar Scopes 5.37% (5/93)
1329 Message Routing 16.98% (9/53)
1330 DNA Translation 19.78% (37/187)
1331 Perfect Cubes 43.20% (3927/9090)
1332 A Puzzling Problem 40.56% (86/212)
1333 Galactic Import 44.28% (213/481)
1334 Basically Speaking 39.67% (2535/6390)
1335 Letter Sequence Analysis 25.15% (41/163)
1336 Mark-up 31.42% (55/175)
1337 Pi 46.06% (3457/7505)
1338 Up and Down Sequences 48.37% (1114/2303)
1339 Machined Surfaces 55.80% (452/810)
1340 Sunrise 31.88% (22/69)
1341 LED Test 48.55% (67/138)
1342 Word Index 62.99% (950/1508)
1343 Molecules 68.75% (33/48)
1344 A Mazing Problem 24.77% (984/3971)
1345 Best Deal 30.64% (38/124)
1346 Comparing Your Heroes 47.49% (294/619)
1347 Determine the Price 18.17% (265/1458)
1348 Enjoy Collisions 13.11% (8/61)
1349 Four Quarters 48.09% (215/447)
1350 The Drunk Jailer 65.09% (5483/8423)
1351 L-I-N-G-O: lingo 21.47% (154/717)
1352 Number Base Conversion 45.98% (378/822)
1353 Unimodal Palindromic Decompositions 43.05% (468/1087)
1354 Extended Lights Out 50.48% (525/1040)
1355 Dehuff 25.00% (24/96)
1356 Picture Puzzle 15.90% (14/88)
1357 Strictly Inscribed Similar Triangles 14.81% (8/54)
1358 Moving Object Recognition 15.32% (74/483)
1359 Random Walk 32.18% (56/174)
1360 Radar Installation 27.70% (1065/3844)
1361 Holedox Moving 23.78% (722/3035)
1362 Game Prediction 49.66% (1278/2573)
1363 Chocolate 37.94% (365/962)
1364 Machine Schedule 44.92% (912/2030)
1365 Mileage Bank 53.65% (2824/5263)
1366 Cash Machine 36.27% (2266/6246)
1367 Beer Land 35.33% (53/150)
1368 BOAT 17.55% (33/188)
1369 Art Gallery 43.60% (92/211)
1370 Game 28.57% (24/84)
1371 MANAGER 36.30% (114/314)
1372 Networking 48.71% (1424/2923)
1373 Sly Number 32.43% (36/111)
1374 Substrings 40.12% (573/1428)
1375 Pass-Muraille 30.48% (100/328)
1376 RoboContest 59.57% (28/47)
1377 Grandpa's Estate 32.30% (189/585)
1378 The Alphabet Game 38.52% (47/122)
1379 Wild Domains 22.36% (17/76)
1380 Microfiches 22.75% (33/145)
1381 Street Crossing 16.25% (13/80)
1382 A Simple Task 48.04% (4870/10136)
1383 Binary Numbers 36.51% (6073/16630)
1384 Alice and Bob 19.78% (55/278)
1385 Binary Stirling Numbers 32.52% (187/575)
1386 Calendar of Maya 29.26% (48/164)
1387 Decoding Morse Sequences 38.23% (767/2006)
1388 Exchanges 37.77% (85/225)
1389 Fill the Cisterns! 42.24% (316/748)
1390 Gates 25.60% (32/125)
1391 Horizontally Visible Segments 29.04% (282/971)
1392 The Hardest Problem Ever 56.36% (3020/5358)
1393 Rubik's Cube Solver 41.12% (44/107)
1394 Polar Explorer 27.91% (1668/5976)
1395 Door Man 37.46% (417/1113)
1396 The Umbrella Problem: 2054 45.71% (32/70)
1397 Blue Gene, Jr. 45.58% (62/136)
1398 Byte Me! 38.27% (31/81)
1399 World's Worst Bus Schedule 37.14% (65/175)
1400 Programmer, Rank Thyself 36.03% (236/655)
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