Compilare: user.cpp: In function ‘int main()’: user.cpp:78:31: warning: format ‘%s’ expects argument of type ‘char*’, but argument 4 has type ‘char (*)[100]’ [-Wformat=] fscanf(f,"%d%s",&N,&valori); ^ user.cpp:79:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(expresie);i++){ ^ user.cpp:77:27: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(expresie,1001,f); ^ user.cpp:78:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%s",&N,&valori); ^