Compilare: main.cpp: In function 'void read()': main.cpp:11:17: warning: unused variable 'm' [-Wunused-variable] 11 | void read(){int m,x,y; | ^ main.cpp:11:19: warning: unused variable 'x' [-Wunused-variable] 11 | void read(){int m,x,y; | ^ main.cpp:11:21: warning: unused variable 'y' [-Wunused-variable] 11 | void read(){int m,x,y; | ^ main.cpp: In function 'void FlW()': main.cpp:29:64: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 29 | if(d[i][k]&&d[k][j]&&(d[i][k]+d[k][j]<d[i][j]||!d[i][j]&&i!=j)) d[i][j]=d[i][k]+d[k][j]; | ~~~~~~~~^~~~~~