Compilare: user.cpp: In function ‘void citire()’: user.cpp:3:18: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] #define inf 1<<30-1 ~~^~ user.cpp:19:22: note: in expansion of macro ‘inf’ {a[i][j]=inf; ^~~ user.cpp: In function ‘void floyd()’: user.cpp:30:13: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(i!=j) ^ user.cpp: In function ‘void afis()’: user.cpp:3:18: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] #define inf 1<<30-1 ~~^~ user.cpp:46:22: note: in expansion of macro ‘inf’ {if(a[i][j]==inf) ^~~