View Compilation Error

0_0_26084161_20199.cpp: In function 'int main()':
0_0_26084161_20199.cpp:19:32: error: expected initializer before '--' token
   for(int ml,l,r,x,ans,zero=0,m--;){
                                ^
0_0_26084161_20199.cpp:19:32: error: expected ';' before '--' token
0_0_26084161_20199.cpp:19:34: error: expected primary-expression before ';' token
   for(int ml,l,r,x,ans,zero=0,m--;){
                                  ^