Compilare: user.cpp: In function ‘int main()’: user.cpp:17:97: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[100000000]’ [-Wformat=] int A,B,in=0,j,ind=0,x1=0,x2,sum=0,i,rez,k=0,nr=0; fscanf(f,"%d %d",&A,&B); fscanf(f,"%s",&s); ^ user.cpp:19:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<strlen(s); i++) ^ user.cpp:17:42: warning: unused variable ‘rez’ [-Wunused-variable] int A,B,in=0,j,ind=0,x1=0,x2,sum=0,i,rez,k=0,nr=0; fscanf(f,"%d %d",&A,&B); fscanf(f,"%s",&s); ^