Compilare: main.cpp: In function 'int main()': main.cpp:39:8: warning: this 'if' clause does not guard... [-Wmisleading-indentation] else if (it == 'E') ^~ main.cpp:42:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' pair<int, int> el2; ^~~~ main.cpp:50:40: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized] if (el2.first+x != 0 && el2.second+y != 0 && el2.first+x <= n && el2.second+y <= m && mat[el2.first+x][el2.second+y] == '.') { ~~~~~~~~~~^~ main.cpp:50:19: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] if (el2.first+x != 0 && el2.second+y != 0 && el2.first+x <= n && el2.second+y <= m && mat[el2.first+x][el2.second+y] == '.') { ~~~~~~~~~^~