top > SRM > SRM 642 > Div 1 / Div 2

Single Round Match 642 - Round 1 Division 1

2014-12-17 / Match Overview on topcoder / togetter

Problem statement: Easy: WaitingForBus   Medium: TaroCutting   Hard: WheelofFortune

Place Handle Room Easy Medi
um		 Hard Chal
lenge		 Total Vola
tility		 Before
Rating		 After
Rating		 Change
1 anta 244.68 377.78 622.46 471 2233 2398 +165
2 niyaznigmatul 242.70 379.25 621.95 565 2695 2807 +112
3 subscriber 212.52 373.00 -25 560.52 404 2403 2525 +122
4 snuke 239.47 264.00 +50 553.47 450 2502 2598 +96
5 hogloid 233.00 300.34 533.34 313 2554 2630 +76
6 VArtem 209.47 269.04 +50 528.51 311 2718 2770 +52
7 ariacas 236.91 314.88 -25 526.79 326 2438 2522 +84
8 y3eadgbe 220.73 282.79 503.52 503 2233 2347 +114
9 RAVEman 236.00 207.21 +50 493.21 364 2740 2779 +39
10 Amylase 178.57 252.86 +50 481.43 451 1642 1806 +164
11 sky58 200.18 279.21 479.39 253 2748 2772 +24
12 this_isssssyy 221.82 205.97 +50 477.79 573 2039 2166 +127
13 sas4eka 218.56 207.41 +50 475.97 321 2034 2137 +103
14 LayCurse 245.49 227.25 472.74 322 2859 2867 +8
15 yuusti 218.71 239.35 458.06 384 1881 2015 +134
16 namonakiacc 237.30 218.66 455.96 419 2194 2281 +87
17 BSBandme 238.45 213.30 451.75 376 2259 2330 +71
18 asi1024 227.15 215.99 443.14 356 2198 2273 +75
19 vlad89 241.25 194.29 435.54 374 2392 2443 +51
20 IH19980412 225.03 194.10 419.13 350 2220 2288 +68
21 natsugiri 220.97 197.69 418.66 359 2210 2276 +66
22 Breakun 220.89 218.19 -25 414.08 532 2263 2336 +73
23 tunyash 195.63 209.54 405.17 310 2175 2239 +64
24 skyvn97 208.01 196.13 404.14 339 2241 2297 +56
25 logicmachine 168.08 236.04 404.12 220 2428 2453 +25
26 theycallhimtom 0.00 374.47 -25 349.47 512 2465 2506 +41
27 indy256 197.66 +100 297.66 384 1891 1992 +101
28 gchebanov 0.00 297.51 297.51 402 2096 2173 +77
29 kawatea 242.19 +50 292.19 298 2609 2611 +2
30 msg555 236.18 +50 286.18 336 3082 3034 -48
31 dreamoon 232.06 +50 282.06 214 2847 2814 -33
32 wo[] 225.86 0.00 +50 275.86 410 1937 2028 +91
33 K.A.D.R 225.17 +50 275.17 370 2983 2945 -38
34 zxqfl 240.78 0.00 +25 265.78 524 2064 2139 +75
35 yosupo 215.38 +50 265.38 412 2179 2231 +52
36 VeniVidiVici42 213.47 +50 263.47 451 1445 1616 +171
37 eha 206.69 +50 256.69 370 1757 1863 +106
38 qwerty787788 245.96 0.00 245.96 349 2943 2900 -43
39 moh.amr 194.23 +50 244.23 480 1229 1404 +175
40 Fdg 243.92 243.92 286 2504 2501 -3
41 cgy4ever 243.54 0.00 0.00 243.54 471 2859 2833 -26
42 ffao 243.43 0.00 243.43 392 2734 2712 -22
43 zylber 241.58 241.58 417 2136 2181 +45
44 azukun 240.04 240.04 494 1588 1715 +127
45 espr1t 239.65 239.65 426 2051 2102 +51
46 zetamoo 238.79 238.79 401 1748 1844 +96
47 IvL 238.33 238.33 363 2080 2123 +43
48 Gassa 237.33 237.33 227 2305 2311 +6
49 LeBron 236.77 236.77 353 2199 2224 +25
50 fsouza 236.21 0.00 236.21 204 2514 2494 -20
51 yuzhou627 186.14 +50 236.14 463 1419 1564 +145
52 superDD 236.07 236.07 238 2248 2257 +9
53 akashnain 235.13 235.13 309 2030 2069 +39
54 zyxwvu164 235.10 235.10 526 1745 1837 +92
55 takapt 185.06 +50 235.06 296 1964 2011 +47
56 zerokugi 234.75 234.75 280 2272 2276 +4
57 GAGGUY 234.63 0.00 234.63 335 2248 2257 +9
58 iensen 184.55 +50 234.55 319 1552 1659 +107
59 Renato_Ferreira 234.52 234.52 407 1587 1695 +108
60 Arterm 234.28 234.28 387 2331 2331 +0
61 husheyn 232.99 232.99 267 1834 1894 +60
62 piroz 232.50 232.50 445 1697 1784 +87
63 chffy 231.45 0.00 231.45 521 2186 2212 +26
64 momo_vn 231.43 231.43 171 2016 2038 +22
65 vlad10795 231.24 231.24 506 1757 1838 +81
66 ahm.kam_92 231.23 231.23 381 1400 1526 +126
67 cafelier 230.51 230.51 297 2493 2461 -32
68 niquefa_diego 230.25 230.25 319 2066 2085 +19
69 fhlasek 230.14 230.14 333 2354 2339 -15
70 yokozuna57 228.93 0.00 228.93 321 1897 1941 +44
71 iotree 228.62 0.00 228.62 398 1535 1743 +208
72 takise 228.56 228.56 417 1263 1425 +162
73 Gera1d 228.11 228.11 472 2239 2243 +4
74 AstroConjecture 227.60 227.60 381 2599 2556 -43
75 waterfalls 227.21 227.21 302 1535 1656 +121
76 _piyush 227.17 227.17 393 1483 1594 +111
77 temirulan 226.86 226.86 457 1630 1713 +83
78 ziad.mohamed 226.23 226.23 395 1230 1381 +151
79 Hasan0540 225.75 225.75 436 1551 1641 +90
80 HellKitsune 225.33 225.33 444 2090 2105 +15
81 ifsmirnov 225.25 0.00 225.25 286 2300 2276 -24
82 PlumRain 223.48 223.48 398 1501 1597 +96
83 jeffrey.xiao 222.88 222.88 419 1393 1626 +233
84 Harta 222.70 222.70 421 1322 1447 +125
85 Flandre_Scarlet 222.68 222.68 311 1927 1952 +25
86 sokokaleb 220.54 220.54 336 1771 1819 +48
87 nuip 220.00 220.00 474 1407 1511 +104
88 boba5551 218.93 218.93 428 1857 1894 +37
89 css9091 218.46 218.46 320 1658 1745 +87
90 lawrenceli 218.41 218.41 483 1831 1882 +51
91 w10d 217.47 217.47 425 2069 2075 +6
92 javaiscool 217.32 217.32 341 1463 1560 +97
93 ilya_malinovsky 216.99 216.99 311 1566 1638 +72
94 dvdreddy 216.46 216.46 349 1403 1503 +100
95 tsukuno 216.26 0.00 216.26 315 1934 1948 +14
96 Xellos0 216.24 216.24 346 2080 2075 -5
97 Merkurev 240.82 -25 215.82 370 2418 2371 -47
98 kyuridenamida 215.63 215.63 229 1764 1796 +32
99 sullyper 215.03 215.03 256 1789 1831 +42
100 marspeople 214.53 0.00 214.53 339 2178 2158 -20
101 forest 239.45 -25 214.45 468 2089 2087 -2
102 Madiyar1 214.12 214.12 425 1708 1755 +47
103 impetus 213.22 213.22 356 1879 1896 +17
103 alleluja 213.22 213.22 350 1465 1567 +102
105 Mindyou 213.04 0.00 213.04 385 1450 1535 +85
106 tonynater 212.21 212.21 341 1432 1522 +90
107 Seyaua 211.63 211.63 343 2471 2410 -61
108 bssanches 211.57 211.57 328 1203 1343 +140
109 ichyo 211.05 211.05 325 2227 2193 -34
110 venkateshb 210.88 210.88 304 2116 2094 -22
111 safarisoul 210.84 210.84 300 1475 1548 +73
112 GustavoStor 209.32 209.32 308 1586 1644 +58
113 Ostap 208.57 0.00 208.57 293 2115 2090 -25
114 lucas_m2 207.07 207.07 335 1575 1630 +55
115 code6 206.35 206.35 283 1441 1517 +76
116 FatalEagle 205.73 205.73 291 1875 1881 +6
117 kuangbin 228.75 -25 203.75 429 2000 1995 -5
118 Enot 228.15 -25 203.15 426 2045 2033 -12
119 kzyKT 202.65 202.65 362 1326 1421 +95
120 TeaPot 201.37 201.37 261 2474 2388 -86
121 nhatminh98 201.21 201.21 386 1585 1636 +51
122 yzguo 200.82 200.82 332 1389 1473 +84
123 karthikabinav 150.24 +50 200.24 311 1256 1368 +112
124 danceonly 200.13 200.13 315 1648 1723 +75
125 Ilya_MSU 198.95 198.95 453 1987 1979 -8
126 nwin 223.54 -25 198.54 353 1967 1954 -13
127 Lynn_Yi 197.48 197.48 413 1929 1924 -5
128 naagi 197.39 197.39 318 1588 1628 +40
129 AndreyG 196.65 196.65 295 1424 1493 +69
130 baukaman 195.55 195.55 292 1404 1475 +71
131 Gluk 220.51 -25 195.51 458 2238 2197 -41
132 a06 195.02 195.02 337 1648 1678 +30
133 hotpepsi 192.21 192.21 415 1298 1382 +84
134 standy 191.94 191.94 398 1939 1927 -12
135 kphmd 191.38 191.38 417 1215 1311 +96
136 PlayLikeNeverB4 190.97 190.97 287 1863 1854 -9
137 nilwyh 190.86 190.86 349 1458 1523 +65
138 sailfast 189.13 189.13 396 1421 1526 +105
139 s1190048 187.76 187.76 312 1386 1455 +69
140 homo_sapiens 187.16 187.16 345 2091 2053 -38
141 vkostik 187.15 187.15 410 1635 1682 +47
142 yoshiokatsuneo 187.14 187.14 384 1214 1309 +95
143 sigma425 186.69 186.69 456 2020 1995 -25
144 trunganh 186.51 186.51 267 1466 1517 +51
145 cxlove 235.30 -50 185.30 352 2086 2046 -40
146 xianbin5 184.64 184.64 339 1344 1417 +73
147 Costyv95 184.56 184.56 243 1506 1548 +42
148 chinoxyz 184.11 184.11 376 1345 1419 +74
149 zemen 183.19 183.19 378 2388 2305 -83
150 W4yneb0t 182.57 0.00 182.57 478 2694 2592 -102
151 Ikki 131.35 +50 181.35 415 1704 1713 +9
152 1412kid1412 180.95 180.95 264 1468 1514 +46
153 fwm1994 180.11 180.11 274 1689 1694 +5
154 Balajiganapathi 205.07 -25 180.07 397 2019 1985 -34
155 JayYe 179.81 179.81 519 1573 1603 +30
156 fillets 178.90 178.90 262 1309 1404 +95
157 Mikester95 178.88 178.88 318 1748 1743 -5
158 Korvin 177.39 177.39 301 1654 1662 +8
159 zlp 176.74 176.74 321 1323 1392 +69
160 Rubanenko 201.24 -25 176.24 285 2029 1980 -49
161 riad 176.13 176.13 299 1654 1660 +6
162 Sadia_013 175.34 175.34 226 1310 1383 +73
163 kshitijbathla 175.28 175.28 215 1503 1543 +40
164 torus711 173.36 173.36 262 1483 1515 +32
165 sdya 198.30 -25 173.30 616 2807 2704 -103
166 SlavaSSU 172.60 172.60 472 1419 1463 +44
167 adwin_ 172.47 172.47 248 1336 1401 +65
168 balakrishnan_v 172.10 172.10 368 1509 1534 +25
169 Fantasy-zwj 171.68 171.68 207 1329 1399 +70
170 vlad_D 170.49 170.49 396 1461 1492 +31
171 qph-Jeremy 170.24 170.24 445 1776 1762 -14
172 llaki 169.70 169.70 257 1589 1597 +8
173 3111006139 169.57 169.57 290 1375 1427 +52
174 LLI_E_P_JI_O_K 167.28 0.00 167.28 387 1562 1576 +14
175 ctunoku 166.04 166.04 291 1666 1659 -7
176 gpoeta 166.01 166.01 447 1558 1572 +14
177 csegura 165.19 165.19 426 1311 1362 +51
178 fragusbot 164.98 164.98 255 1399 1439 +40
179 quandum 164.78 164.78 219 1312 1370 +58
180 vexorian 163.77 163.77 280 1592 1595 +3
181 nokia 162.61 162.61 254 1350 1396 +46
182 tichuot 161.36 161.36 266 1410 1468 +58
183 socketnaut 186.12 -25 161.12 377 2100 2031 -69
184 WRBH 160.80 160.80 267 1319 1369 +50
185 etheriqa 160.39 160.39 313 1340 1406 +66
186 pagal_123 160.24 160.24 227 1358 1400 +42
187 ping128 159.89 159.89 433 1814 1783 -31
188 jlr.terceiro 159.50 159.50 234 1237 1311 +74
189 ahmed_aly 159.38 159.38 399 2135 2063 -72
190 Arabpour.m 158.79 158.79 360 1249 1306 +57
191 danft 158.61 158.61 287 1251 1350 +99
192 thinkers 158.54 158.54 235 1394 1426 +32
193 tatsy 158.33 158.33 282 1464 1481 +17
194 mckkentmwk 157.34 157.34 207 1357 1394 +37
195 bli0042 156.70 156.70 263 1487 1498 +11
196 murat 154.72 154.72 308 1495 1504 +9
197 duyboy13579 154.45 154.45 193 1385 1418 +33
198 Lweb 154.18 154.18 488 1885 1837 -48
199 desert97 153.94 0.00 153.94 304 1651 1613 -38
200 agw 153.06 153.06 199 1283 1332 +49
201 add1ctus 152.64 152.64 511 1398 1420 +22
202 ivanilos 151.51 151.51 286 1299 1342 +43
203 tsukasa_diary 101.44 +50 151.44 235 1345 1378 +33
204 dojiboy9 200.69 -50 150.69 488 1913 1859 -54
204 dussel 150.69 150.69 272 1519 1517 -2
206 openxxx 149.56 149.56 437 1623 1605 -18
207 nmnmnmnmnmnmnm 149.45 149.45 314 1354 1379 +25
208 ltaravilse 174.08 -25 149.08 413 1922 1861 -61
209 _VN_CSDN_ 149.07 149.07 298 1572 1556 -16
210 squirtle 148.79 148.79 377 1671 1640 -31
211 Daniyar7 147.79 147.79 316 1382 1400 +18
212 Laerte 147.62 147.62 151 1405 1420 +15
213 Laegoose 147.59 147.59 369 1618 1592 -26
214 links234 145.19 145.19 272 1441 1450 +9
215 ccdd4211 169.84 -25 144.84 320 1900 1827 -73
216 Sasha1987 144.61 144.61 230 1471 1469 -2
217 Uchigle 194.40 -50 144.40 407 1229 1265 +36
218 pszoldan 141.61 141.61 248 1303 1333 +30
219 acrrca 140.71 140.71 255 1844 1746 -98
220 rabbit_TR 140.62 140.62 373 1571 1550 -21
221 PERNEKHAN 140.19 140.19 258 1631 1596 -35
222 fajrinazis 139.08 139.08 231 1358 1374 +16
223 wwwsealss 138.85 138.85 164 1389 1399 +10
224 icecode21 137.38 137.38 295 1216 1258 +42
225 lebedkin 135.99 0.00 135.99 282 1352 1367 +15
226 yehara 135.73 135.73 283 1874 1798 -76
227 rituraj. 135.18 135.18 231 1505 1489 -16
228 kaszubki 135.15 135.15 431 1516 1495 -21
229 ddtc 132.25 132.25 301 1409 1408 -1
230 mayoko 131.36 131.36 290 1265 1296 +31
231 tomlau 128.44 128.44 224 1346 1359 +13
232 Reus 127.48 127.48 275 1468 1454 -14
233 autotaker 123.09 123.09 250 1511 1490 -21
234 foxermen 122.64 122.64 303 1474 1443 -31
235 navic 121.37 121.37 288 1408 1404 -4
236 lfarrives 120.67 120.67 246 1357 1364 +7
237 tanphatls987 120.49 120.49 249 1269 1296 +27
238 fsa4 119.57 119.57 218 1466 1448 -18
239 CyrillN 118.46 118.46 257 1231 1278 +47
240 fahim_zubayer 117.78 117.78 226 1330 1339 +9
241 icetortoise 117.00 117.00 364 1211 1238 +27
242 szilard 116.88 116.88 327 1425 1410 -15
243 khelvik 164.82 -50 114.82 188 1347 1352 +5
244 GeKa 112.78 112.78 367 1841 1762 -79
245 NKolotey 112.58 112.58 182 1442 1425 -17
246 Zailton 133.94 -25 108.94 275 1472 1449 -23
247 kevintao 108.03 108.03 302 1308 1313 +5
248 handojo1 107.99 107.99 400 1681 1624 -57
249 thunderking 106.03 106.03 188 1279 1295 +16
250 thiagocarvp 104.28 104.28 282 1456 1415 -41
251 rubenverboon 101.93 101.93 301 1264 1280 +16
252 nahiyankamal 101.71 101.71 265 1493 1461 -32
253 garnacha 101.69 101.69 307 1433 1385 -48
254 carlos.guia 100.81 100.81 259 1451 1426 -25
255 animeshnayan 100.46 100.46 282 1383 1369 -14
256 warm4C0 100.28 100.28 305 1442 1416 -26
257 sos5403 98.38 98.38 206 1368 1356 -12
258 ttang 97.34 97.34 273 1438 1410 -28
259 an2bug 97.03 97.03 240 1276 1281 +5
260 Anastasko 94.34 94.34 342 1288 1284 -4
261 Ruki.tc 93.84 93.84 239 1437 1406 -31
262 9charles 93.23 93.23 301 1499 1457 -42
263 _xiaodan 92.98 92.98 228 1462 1427 -35
264 ttogores 91.65 91.65 181 1279 1282 +3
265 pita_gabriel 116.58 -25 91.58 265 1354 1336 -18
266 sugim48 91.33 91.33 530 2038 1920 -118
267 logickaiser 108.74 -25 83.74 225 1208 1222 +14
268 krooonal 77.86 77.86 247 1393 1366 -27
269 behzad.nouri 75.00 0.00 75.00 461 1655 1581 -74
270 arkidd 96.19 -25 71.19 261 1286 1276 -10
271 cjoa2 0.00 +50 50.00 422 1718 1638 -80
271 sallle 0.00 +50 50.00 191 1222 1231 +9
273 oml1111 0.00 0.00 326 1678 1519 -159
273 ennach 0.00 268 1229 1159 -70
273 12110572071 0.00 0.00 238 1294 1231 -63
273 chenmark 0.00 0.00 382 1615 1503 -112
273 gaf.stephanos 0.00 366 1226 1178 -48
273 toshif 0.00 0.00 231 1238 1193 -45
273 Komaki 0.00 0.00 0.00 576 2633 2475 -158
273 AnandOza 0.00 0.00 388 1579 1465 -114
273 ifox 0.00 0.00 337 1555 1452 -103
273 Kuro_neko 0.00 295 1258 1201 -57
273 grebnesieh 0.00 0.00 290 1416 1314 -102
273 wangyuquan 0.00 308 1241 1193 -48
273 electro__rage 0.00 305 1391 1319 -72
273 torres89 0.00 323 1228 1183 -45
273 goku_mt 0.00 391 1375 1301 -74
273 NiloyDatta 0.00 355 1356 1289 -67
273 pradhan_ptr 0.00 491 1551 1454 -97
273 iagoneves 0.00 317 1387 1265 -122
273 Swirly_curl 0.00 0.00 263 1306 1251 -55
273 thanksgiving 0.00 356 1388 1236 -152
273 tau0 0.00 0.00 283 1351 1269 -82
273 romkagorbunov 0.00 396 1232 1169 -63
273 gohan95 0.00 271 1219 1160 -59
273 d1nguskhan 0.00 290 1329 1226 -103
273 sandeepmohanty 0.00 0.00 355 1473 1378 -95
273 shubh09 0.00 0.00 313 1429 1349 -80
273 atetubou 0.00 418 1317 1255 -62
273 liomvse 0.00 0.00 270 1283 1206 -77
273 takatm 0.00 0.00 193 1300 1240 -60
273 Alwahsh 0.00 262 1227 1186 -41
273 Merlininice 0.00 494 1758 1630 -128
273 vinay.emani 0.00 0.00 389 1502 1412 -90
273 intensiv 0.00 172 1215 1182 -33
273 wwzhang 0.00 327 1435 1298 -137
273 Masa-Y 0.00 300 1301 1247 -54
273 vaxyzek 0.00 0.00 304 1304 1242 -62
273 syco 0.00 0.00 451 1829 1690 -139
273 ENIXER 0.00 279 1287 1232 -55
273 wleite 0.00 546 1894 1752 -142
273 sandeep13 0.00 253 1275 1201 -74
273 ynqq 0.00 0.00 373 1648 1529 -119
273 shantanushanto 0.00 177 1221 1189 -32
273 laughing296 0.00 321 1212 1123 -89
273 fikr 0.00 197 1233 1197 -36
273 peteryuanpantc 0.00 0.00 204 1251 1207 -44
273 odyssay 0.00 384 1333 1255 -78
273 pablo.aguilar 0.00 0.00 402 1698 1577 -121
273 AFGhazy 0.00 272 1247 1171 -76
273 evan_sust 0.00 406 1563 1461 -102
273 SCL 0.00 0.00 281 1265 1218 -47
273 Lyzyc 0.00 0.00 446 1350 1280 -70
273 okaduki 0.00 0.00 202 1327 1268 -59
273 ver81 0.00 324 1230 1134 -96
273 sgeteternal 0.00 0.00 261 1304 1248 -56
273 o948 0.00 281 1215 1174 -41
273 swapnilagarwal 0.00 158 1284 1234 -50
273 AlphaStream 0.00 0.00 373 1801 1659 -142
273 SH_DUT 0.00 0.00 217 1335 1274 -61
273 satyasai100 0.00 0.00 263 1370 1304 -66
273 simp1eton 0.00 0.00 352 1480 1386 -94
273 daniel_de_darik 0.00 345 1357 1291 -66
273 Ra1nWarden 0.00 0.00 369 1443 1271 -172
273 Ceva 0.00 0.00 247 1270 1198 -72
273 M.Saito 0.00 0.00 380 1296 1237 -59
273 mjackson03 0.00 338 1428 1347 -81
273 vatr 0.00 0.00 438 1513 1419 -94
273 zhouwei 0.00 0.00 239 1318 1263 -55
273 stostap 0.00 0.00 363 1495 1405 -90
273 szepi1991 0.00 0.00 0.00 190 1263 1219 -44
273 so_what 0.00 0.00 301 1395 1321 -74
273 pi37 0.00 0.00 287 1239 1192 -47
273 mbaros 0.00 249 1249 1204 -45
273 Towhid 0.00 0.00 332 1433 1355 -78
273 last_one 0.00 0.00 516 1296 1227 -69
273 venk13 0.00 0.00 373 1406 1327 -79
273 naosuke 0.00 356 1350 1282 -68
273 p00r 0.00 297 1220 1166 -54
273 void. 0.00 0.00 196 1308 1256 -52
273 zhazhalee 0.00 277 1334 1269 -65
273 TwoTonTunic 0.00 296 1351 1241 -110
273 ykculnu 0.00 323 1424 1290 -134
273 hiro116s 0.00 284 1402 1327 -75
273 HidenoriS 0.00 200 1263 1217 -46
356 tjohnson314 0.00 -25 -25.00 519 1279 1088 -191
356 adiguru2 0.00 -25 -25.00 608 1624 1246 -378
356 qixiao -25 -25.00 560 1391 1013 -378
356 thebomb556 -25 -25.00 455 1211 1059 -152
356 Smart.Coder -25 -25.00 431 1278 1123 -155
356 aranjuda -25 -25.00 413 1331 1159 -172
356 choo.s 0.00 -25 -25.00 371 1310 1150 -160
356 vadimmm 0.00 0.00 -25 -25.00 541 1493 1281 -212
356 alwaysfalse -25 -25.00 550 1365 997 -368
356 Jack_whj -25 -25.00 467 1270 1097 -173
356 akat -25 -25.00 458 1309 1144 -165
367 Des_Payfor 0.00 -125 -125.00 801 1561 1045 -516