Compilare: user.cpp: In function ‘int ssm()’: user.cpp:11:24: warning: format ‘%c’ expects argument of type ‘char*’, but argument 2 has type ‘int*’ [-Wformat=] while(scanf("%c",&k)!=EOF) ^ user.cpp:7:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, s, t, d, k, ma, id, idd; ^ user.cpp:7:18: warning: variable ‘t’ set but not used [-Wunused-but-set-variable] int i, j, s, t, d, k, ma, id, idd; ^ user.cpp:7:21: warning: unused variable ‘d’ [-Wunused-variable] int i, j, s, t, d, k, ma, id, idd; ^ user.cpp: In function ‘int main()’: user.cpp:39:9: warning: unused variable ‘n’ [-Wunused-variable] int n,i,j,cnt=0,aux,sum=0; ^ user.cpp:39:11: warning: unused variable ‘i’ [-Wunused-variable] int n,i,j,cnt=0,aux,sum=0; ^ user.cpp:39:13: warning: unused variable ‘j’ [-Wunused-variable] int n,i,j,cnt=0,aux,sum=0; ^ user.cpp:39:21: warning: variable ‘aux’ set but not used [-Wunused-but-set-variable] int n,i,j,cnt=0,aux,sum=0; ^ user.cpp:37:37: 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); ^ user.cpp:38:39: 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); ^