Compilare: user.cpp: In function ‘int main()’: user.cpp:34:19: warning: unused variable ‘max1’ [-Wunused-variable] long long int max1=0,max2=0,pos1=0,pos2=0,sol=0; ^ user.cpp:34:26: warning: unused variable ‘max2’ [-Wunused-variable] long long int max1=0,max2=0,pos1=0,pos2=0,sol=0; ^ user.cpp:34:33: warning: unused variable ‘pos1’ [-Wunused-variable] long long int max1=0,max2=0,pos1=0,pos2=0,sol=0; ^ user.cpp:34:40: warning: unused variable ‘pos2’ [-Wunused-variable] long long int max1=0,max2=0,pos1=0,pos2=0,sol=0; ^ user.cpp:13:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("maxsubsum.in","r",stdin); ^ user.cpp:14:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("maxsubsum.out","w",stdout); ^ user.cpp:16:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&m); ^ user.cpp:18:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (int i=1;i<=n;i++) scanf("%d",&t[i]); ^ user.cpp:20:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (int i=1;i<=m;i++) scanf("%d",&v[i]); ^