View Compilation Error

0_0_15345779_3674.cpp: In lambda function:
0_0_15345779_3674.cpp:32:16: error: expected '{' before ')' token
     if(a>=[ans])b[++ans]=a;
                ^
0_0_15345779_3674.cpp: In function 'int main()':
0_0_15345779_3674.cpp:32:9: error: no match for 'operator>=' (operand types are 'int' and 'main()::<lambda()>')
     if(a>=[ans])b[++ans]=a;
         ^