CompileError!

main.c:1:1: error: unknown type name \xe2\x80\x98def\xe2\x80\x99\n    1 | def knapsack(v, n, volumes):\n      | ^~~\nmain.c: In function \xe2\x80\x98knapsack\xe2\x80\x99:\nmain.c:1:28: error: expected declaration specifiers before \xe2\x80\x98:\xe2\x80\x99 token\n    1 | def knapsack(v, n, volumes):\n      |                            ^\nmain.c:13:3: error: invalid preprocessing directive #\\U00008bfb\\U000053d6\\U00008f93\\U00005165\n   13 | # \xe8\xaf\xbb\xe5\x8f\x96\xe8\xbe\x93\xe5\x85\xa5\n      |   ^~~~~~~~\nmain.c:18:3: error: invalid preprocessing directive #\\U00008ba1\\U00007b97\\U00005e76\\U00008f93\\U000051fa\\U00006700\\U00005c0f\\U00005269\\U00004f59\\U00007a7a\\U000095f4\n   18 | # \xe8\xae\xa1\xe7\xae\x97\xe5\xb9\xb6\xe8\xbe\x93\xe5\x87\xba\xe6\x9c\x80\xe5\xb0\x8f\xe5\x89\xa9\xe4\xbd\x99\xe7\xa9\xba\xe9\x97\xb4\n      |   ^~~~~~~~~~~~~~~~~~~~~~\nmain.c:1:5: warning: type of \xe2\x80\x98v\xe2\x80\x99 defaults to \xe2\x80\x98int\xe2\x80\x99 [-Wimplicit-int]\n    1 | def knapsack(v, n, volumes):\n      |     ^~~~~~~~\nmain.c:1:5: warning: type of \xe2\x80\x98n\xe2\x80\x99 defaults to \xe2\x80\x98int\xe2\x80\x99 [-Wimplicit-int]\nmain.c:1:5: warning: type of \xe2\x80\x98volumes\xe2\x80\x99 defaults to \xe2\x80\x98int\xe2\x80\x99 [-Wimplicit-int]\nmain.c:20: warning: control reaches end of non-void function [-Wreturn-type]\n