Compilare: main.cpp: In function 'void computeDist()': main.cpp:95:19: warning: overflow in implicit constant conversion [-Woverflow] dist[u] = LLONG_MAX; ^~~~~~~~~ main.cpp: In function 'void printAnswer()': main.cpp:212:25: warning: overflow in implicit constant conversion [-Woverflow] answer[i] = LLONG_MAX; ^~~~~~~~~ main.cpp: In function 'void readInput()': main.cpp:56:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("termite.in", "r", stdin); ^ main.cpp:57:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("termite.out", "w", stdout); ^