Compilare: main.cpp: In function 'bool dijkstra()': main.cpp:23:22: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 23 | for(int i = 0; i < sizeof(dist) / sizeof(dist[0]); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:25:22: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 25 | for(int i = 0; i < sizeof(parent) / sizeof(parent[0]); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~