Compilare: main.cpp: In function 'int main()': main.cpp:26:18: warning: unused variable 'm' [-Wunused-variable] int n,i,nr,r,m,numar; ^ main.cpp:27:17: warning: unused variable 'ul' [-Wunused-variable] char s[133],ul; ^~ main.cpp:28:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d\n",&n); ^ main.cpp:31:24: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(s,132,in); ^