Compilare: user.cpp: In constructor ‘arbint::arbint(int)’: user.cpp:21:31: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] arb = new int[1 << lg + 1]; ^ user.cpp: In member function ‘void lant::UpdateAll()’: user.cpp:79:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < noduri.size(); ++i) ^ user.cpp: In member function ‘void arbore::BuildPath()’: user.cpp:118:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < lanturi.size(); ++i) ^ user.cpp: In function ‘int main()’: user.cpp:221:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("heavypath.in", "r", stdin); ^ user.cpp:222:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("heavypath.out", "w", stdout); ^ user.cpp:223:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &m); ^ user.cpp:226:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &(arb.val[i])); ^ user.cpp:230:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &a, &b); ^ user.cpp:237:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &t, &x, &y); ^ user.cpp: In member function ‘void arbore::DFS(int, int)’: user.cpp:194:37: warning: ‘ind’ may be used uninitialized in this function [-Wmaybe-uninitialized] lantNr[current] = lantNr[ind]; ^ user.cpp:194:37: warning: ‘ind’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp: In member function ‘void arbore::BuildPath()’: user.cpp:194:37: warning: ‘ind’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:183:27: note: ‘ind’ was declared here int maxHeavy = 0, ind; ^ user.cpp:194:37: warning: ‘ind’ may be used uninitialized in this function [-Wmaybe-uninitialized] lantNr[current] = lantNr[ind]; ^ user.cpp:183:27: note: ‘ind’ was declared here int maxHeavy = 0, ind; ^