Compilare: main.cpp: In function 'int main()': main.cpp:41:23: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 41 | if(i>0) | ^ main.cpp:46:23: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 46 | if(j>0) | ^ main.cpp:51:23: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 51 | if(i<n-1) | ^ main.cpp:56:23: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 56 | if(j<m-1) | ^