Compilare: user.cpp: In function ‘int main()’: user.cpp:24:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((j>=l[i])&&mat[c][j]<mat[1-c][j-l[i]]+l[i]) mat[c][j]=mat[1-c][j-l[i]]+l[i]; ^ user.cpp:26:48: warning: format ‘%d’ expects argument of type ‘int’, but argument 4 has type ‘long unsigned int’ [-Wformat=] fprintf(g,"%d %d",mat[c][s/2],s-mat[c][s/2]); ^