Compilare: user.cpp: In function ‘int main()’: user.cpp:325:24: warning: format ‘%c’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[131]’ [-Wformat=] fscanf(fin,"%c",&cx); ^ user.cpp:324:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&m); ^ user.cpp:325:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%c",&cx); ^ user.cpp:329:28: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(cx+1,130,fin); ^