Compilare: main.cpp: In function 'int afis()': main.cpp:27:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int afis2()': main.cpp:41:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'void Lee()': main.cpp:72:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(ok(i_next,j_next,ii,jj)) ^ main.cpp: In function 'int main()': main.cpp:107:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=N;i++) ^~~ main.cpp:125:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' Lee(); ^~~