Compilare: main.cpp: In function 'int main()': main.cpp:28:29: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 28 | if(i!=k && l[i][k]==0 || j!=k && l[k][j]==0) | ~~~~~^~~~~~~~~~~~~ main.cpp:11:11: warning: unused variable 'm' [-Wunused-variable] 11 | int n,m,x,y,z; | ^ main.cpp:11:13: warning: unused variable 'x' [-Wunused-variable] 11 | int n,m,x,y,z; | ^ main.cpp:11:15: warning: unused variable 'y' [-Wunused-variable] 11 | int n,m,x,y,z; | ^ main.cpp:11:17: warning: unused variable 'z' [-Wunused-variable] 11 | int n,m,x,y,z; | ^