Compilare: user.cpp: In function ‘int main()’: user.cpp:71:25: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[51002]’ [-Wformat=] fscanf(f,"%s",&s); ^ user.cpp: In function ‘int solve(char*)’: user.cpp:63:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:68:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d\n",&n); ^ user.cpp:71:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%s",&s); ^