Compilare: main.cpp: In function 'int main()': main.cpp:49:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(a[2][1]==1 && a[2][2]==1) ^~ main.cpp:51:21: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' viz2[1]=1; ^~~~ main.cpp:57:29: warning: suggest parentheses around '&&' within '||' [-Wparentheses] while(j<n/2 && viz2[j]==1 || (viz1[j-1]==1 && viz1[j+1]==1)) ~~~~~~^~~~~~~~~~~~~ main.cpp:10:21: warning: unused variable 'k' [-Wunused-variable] int n, m, i, j, k, x, ok; ^ main.cpp:10:27: warning: unused variable 'ok' [-Wunused-variable] int n, m, i, j, k, x, ok; ^~