Compilare: main.cpp: In function 'int verif(long long int, long long int, long long int, long long int, long long int)': main.cpp:23:24: warning: unused variable 'counter' [-Wunused-variable] long long i,j,SUMA=0,counter=0; ^~~~~~~ main.cpp: In function 'int main()': main.cpp:45:23: warning: unused variable 'x' [-Wunused-variable] long long a,b,c,d,e,x,nr,nr1,st,dr,mij; ^ main.cpp:46:45: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%lld%lld%lld%lld",&n,&m,&C,&R); ^ main.cpp:47:52: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%lld%lld%lld%lld%lld",&a,&b,&c,&d,&e); ^ main.cpp:49:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%lld",&nr); ^ main.cpp:53:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%lld",&nr1); ^