Compilare: main.cpp: In function 'bool flux()': main.cpp:47:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for( i = 0; i < noduri[ node ].size(); i++ ) { | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:119:12: warning: operation on 'poz' may be undefined [-Wsequence-point] 119 | v[ ++poz ] = v[ poz - 1 ] + dp[ Y ]; | ^~~~~ main.cpp:119:12: warning: operation on 'poz' may be undefined [-Wsequence-point] main.cpp:112:16: warning: iteration 3 invokes undefined behavior [-Waggressive-loop-optimizations] 112 | v[ i ] = INF; | ^ main.cpp:111:23: note: within this loop 111 | for( int i = 1; i <= MAX_DIR; i++ ) | ^ main.cpp:112:14: warning: array subscript 4 is above array bounds of 'int [4]' [-Warray-bounds] 112 | v[ i ] = INF; | ~~~~~^ main.cpp:22:5: note: while referencing 'v' 22 | int v[ MAX_DIR ], n; | ^