Compilare: user.cpp: In function ‘void crParcurgere(int, int)’: user.cpp:77:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[node].size(); i++) ^ user.cpp: In function ‘void solveQueries(int, int, int)’: user.cpp:109:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < Q[node].size(); i++){ ^ user.cpp:121:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < Q[node].size(); i++){ ^ user.cpp:128:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[node].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:166:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[node].size(); i++) ^ user.cpp:150:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d", &n, &m); ^ user.cpp:153:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d%d", &a, &b, &c); ^ user.cpp:181:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d", &node); ^