Compilare: user.cpp: In function ‘int main()’: user.cpp:70:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] FOR(j,primes.size()) ^ user.cpp:22:38: note: in definition of macro ‘FOR’ #define FOR(i,n) for (int i = 0 ; i< n;i++) ^ user.cpp:94:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] FOR(i,divs.size()) ^ user.cpp:22:38: note: in definition of macro ‘FOR’ #define FOR(i,n) for (int i = 0 ; i< n;i++) ^ user.cpp:105:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] FOR(i,divs.size()) ^ user.cpp:22:38: note: in definition of macro ‘FOR’ #define FOR(i,n) for (int i = 0 ; i< n;i++) ^ user.cpp:134:51: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘int’ [-Wformat=] fprintf(fout,"%ld %ld %ld\n",(sum-1)/2+1,ma,mb); ^ user.cpp:134:51: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 4 has type ‘int’ [-Wformat=] user.cpp:134:51: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 5 has type ‘int’ [-Wformat=] user.cpp:57:20: warning: variable ‘ax’ set but not used [-Wunused-but-set-variable] int res=0,n,nn,ax,nt; ^