Compilare: main.cpp: In function 'void reuneste(int, int)': main.cpp:30:9: warning: unused variable 'nod' [-Wunused-variable] int nod=i,nodv=j,m; ^~~ main.cpp:30:15: warning: unused variable 'nodv' [-Wunused-variable] int nod=i,nodv=j,m; ^~~~ main.cpp: In function 'int main()': main.cpp:49:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ main.cpp:53:41: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&m[i].l,&m[i].c); ^