Compilare: user.cpp: In function ‘int memo(int, int, int, int)’: user.cpp:16:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j,t,h,maxi=-inf; ^ user.cpp:16:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,t,h,maxi=-inf; ^ user.cpp:16:13: warning: unused variable ‘t’ [-Wunused-variable] int i,j,t,h,maxi=-inf; ^ user.cpp:16:15: warning: unused variable ‘h’ [-Wunused-variable] int i,j,t,h,maxi=-inf; ^ user.cpp: In function ‘int main()’: user.cpp:52:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,z; ^ user.cpp:52:13: warning: unused variable ‘z’ [-Wunused-variable] int i,j,z; ^ user.cpp:53:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n,&k); ^ user.cpp:55:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&m[1][i]); ^ user.cpp:57:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&m[2][i]); ^