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View Compilation Error

0_0_21023919_31475.cpp: In function 'void dfs(ll, int)':
0_0_21023919_31475.cpp:30:24: error: expected primary-expression before '<' token
         dfs(x+tmp,i+1);<span style="font-family: Arial, Helvetica, sans-serif;">//temp=0并且x=0的时候,相当于添加了第一个字符</span><span style="font-family: Arial, Helvetica, sans-serif;">                if(pos!=0)//第一个字符前面不能使用符号</span>
                        ^
0_0_21023919_31475.cpp:30:25: error: 'span' was not declared in this scope
         dfs(x+tmp,i+1);<span style="font-family: Arial, Helvetica, sans-serif;">//temp=0并且x=0的时候,相当于添加了第一个字符</span><span style="font-family: Arial, Helvetica, sans-serif;">                if(pos!=0)//第一个字符前面不能使用符号</span>
                         ^


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