palind.cpp: In function 'void solve(int*, int)': palind.cpp:16: warning: unused variable 'j' palind.cpp: In function 'int main()': palind.cpp:54: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result palind.cpp:58: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result palind.cpp:61: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result palind.cpp:63: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result