Compilare: main.cpp: In function 'int main()': main.cpp:11:28: warning: variable 'poz1' set but not used [-Wunused-but-set-variable] int n,nr,max1=0,max2=0,poz1,poz2,st=0,i,s=0,prod,s1=0,s2=0,max3=0,s3=0,rez1,rez2; ^~~~ main.cpp:11:33: warning: variable 'poz2' set but not used [-Wunused-but-set-variable] int n,nr,max1=0,max2=0,poz1,poz2,st=0,i,s=0,prod,s1=0,s2=0,max3=0,s3=0,rez1,rez2; ^~~~ main.cpp:9:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("expresie.in","r",stdin); ^ main.cpp:10:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("expresie.out","w",stdout); ^ main.cpp:12:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:15:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^