Compilare: user.cpp: In function ‘int main()’: user.cpp:116: warning: format ‘%s’ expects type ‘char*’, but argument 2 has type ‘char (*)[2001]’ user.cpp:110: warning: unused variable ‘c’ user.cpp:111: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:112: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:113: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:116: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void quicksort(int, int)’: user.cpp:45: warning: array subscript is above array bounds user.cpp:45: warning: array subscript is above array bounds user.cpp:45: warning: array subscript is above array bounds user.cpp: In function ‘int main()’: user.cpp:136: warning: array subscript is above array bounds user.cpp:141: warning: array subscript is above array bounds