Compilare: user.cpp: In function ‘int main()’: user.cpp:30:10: warning: unused variable ‘j’ [-Wunused-variable] int n,i,j,m; ^ user.cpp: In function ‘bool intreg1(int, int)’: user.cpp:23:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:27:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("numar.in","r",stdin); ^ user.cpp:28:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("numar.out","w",stdout); ^ user.cpp:37:9: warning: array subscript is above array bounds [-Warray-bounds] q[k][2]=i;k++; ^ user.cpp:48:27: warning: array subscript is above array bounds [-Warray-bounds] for(m=1;m<=((n*2)-q[i][2]+1);m++){ ^ user.cpp:56:44: warning: array subscript is above array bounds [-Warray-bounds] for(i=1;i<k;i++)cout<<q[i][1]<<' '<<q[i][2]<<endl; ^