View Compilation Error

0_0_32290941_4659.cpp: In function 'int min(int, int)':
0_0_32290941_4659.cpp:13:5: error: 'returna' was not declared in this scope
     returna>b?b:a;
     ^
0_0_32290941_4659.cpp: In function 'int lowbit(int)':
0_0_32290941_4659.cpp:16:5: error: 'returnx' was not declared in this scope
     returnx&(-x);
     ^
0_0_32290941_4659.cpp: In function 'int getsum(int)':
0_0_32290941_4659.cpp:28:5: error: 'returnans' was not declared in this scope
     returnans;
     ^
0_0_32290941_4659.cpp: In function 'int judge(int, int)':
0_0_32290941_4659.cpp:33:5: error: 'return0' was not declared in this scope
     return0;
     ^
0_0_32290941_4659.cpp: In function 'int main()':
0_0_32290941_4659.cpp:51:9: error: 'intcas' was not declared in this scope
     for(intcas=1;cas<=t;cas++){
         ^
0_0_32290941_4659.cpp:51:18: error: 'cas' was not declared in this scope
     for(intcas=1;cas<=t;cas++){
                  ^