View Compilation Error

0_0_13923043_32692.cpp: In function 'int dp(int)':
0_0_13923043_32692.cpp:31:13: error: return-statement with no value, in function returning 'int' [-fpermissive]
             return; 
             ^
0_0_13923043_32692.cpp:37:1: error: expected 'while' before '}' token
 }
 ^
0_0_13923043_32692.cpp:37:1: error: expected '(' before '}' token
0_0_13923043_32692.cpp:37:1: error: expected primary-expression before '}' token
0_0_13923043_32692.cpp:37:1: error: expected ')' before '}' token
0_0_13923043_32692.cpp:37:1: error: expected ';' before '}' token
0_0_13923043_32692.cpp: In function 'int main()':
0_0_13923043_32692.cpp:49:22: error: cannot convert 'char**' to 'const char*' for argument '1' to 'size_t strlen(const char*)'
         dp(strlen(str));
                      ^