Compilare: user.cpp: In function ‘void citeste(int&)’: user.cpp:23:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] while (buff[poz] < '0' || buff[poz] > '9') ^ user.cpp:23:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] while (buff[poz] < '0' || buff[poz] > '9') ^ user.cpp:25:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] semn = buff[poz]; ^ user.cpp:29:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] while ('0'<=buff[poz] && buff[poz]<='9') ^ user.cpp:29:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] while ('0'<=buff[poz] && buff[poz]<='9') ^ user.cpp:31:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] numar = numar*10 + buff[poz] - '0'; ^ user.cpp:27:45: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,DIM,stdin),poz=0; ^ user.cpp:33:45: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,DIM,stdin),poz=0; ^ user.cpp: In function ‘int main()’: user.cpp:40:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("slidingwindow.in","r",stdin); ^ user.cpp:41:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n",&n,&D); ^ user.cpp:42:34: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,DIM,stdin),poz=0; ^