ecp.cpp: In function 'int main()': ecp.cpp:13: warning: format '%s' expects type 'char*', but argument 3 has type 'char (*)[1001]' ecp.cpp:10: warning: unused variable 'p2' ecp.cpp:10: warning: unused variable 'p3' ecp.cpp:10: warning: unused variable 'p5' ecp.cpp:13: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result