Compilare: user.cpp: In function ‘int verif()’: user.cpp:16:5: warning: unused variable ‘j’ [-Wunused-variable] int j,lini=1,lins,i,suml,sumr; ^ user.cpp:16:14: warning: unused variable ‘lins’ [-Wunused-variable] int j,lini=1,lins,i,suml,sumr; ^ user.cpp:16:21: warning: unused variable ‘suml’ [-Wunused-variable] int j,lini=1,lins,i,suml,sumr; ^ user.cpp:16:26: warning: unused variable ‘sumr’ [-Wunused-variable] int j,lini=1,lins,i,suml,sumr; ^ user.cpp:28:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int gen(int)’: user.cpp:53:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:56:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("parcele1.in","r",stdin); ^ user.cpp:57:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("parcele1.out","w",stdout); ^ user.cpp:59:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&n,&m,&p); ^ user.cpp:62:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i][j]); ^