View Compilation Error

0_0_23529004_6871.cpp: In function 'int main()':
0_0_23529004_6871.cpp:48:23: error: cannot convert 'int*' to 'char*' for argument '1' to 'int find(char*)'
             t1=find(s1);
                       ^
0_0_23529004_6871.cpp:49:23: error: cannot convert 'int*' to 'char*' for argument '1' to 'int find(char*)'
             t2=find(s2);
                       ^
0_0_23529004_6871.cpp:52:36: error: cannot convert 'int*' to 'const char*' for argument '2' to 'char* strcpy(char*, const char*)'
                 strcpy(A[nu].str,s1);
                                    ^
0_0_23529004_6871.cpp:74:36: error: cannot convert 'int*' to 'const char*' for argument '2' to 'char* strcpy(char*, const char*)'
                 strcpy(A[nu].str,s2);
                                    ^
0_0_23529004_6871.cpp:95:41: error: 'qsort' was not declared in this scope
         qsort(A,n,sizeof(struct cnm),cmp);
                                         ^