View Compilation Error

0_0_37054161_25330.cpp:351:5: error: expected initializer before 'int'
     int cas=read();
     ^
0_0_37054161_25330.cpp:353:5: error: expected unqualified-id before 'while'
     while(cas--)
     ^
0_0_37054161_25330.cpp:360:5: error: expected unqualified-id before 'return'
     return 0;
     ^
0_0_37054161_25330.cpp:361:1: error: expected declaration before '}' token
 }
 ^