Compilare: user.cpp: In function ‘void citire()’: user.cpp:154:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < noduri.size(); j++) ^ user.cpp:152:13: warning: unused variable ‘l’ [-Wunused-variable] int l = noduri.size(); ^ user.cpp:141:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:147:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &tmp1, &tmp2); ^ user.cpp: In function ‘int main()’: user.cpp:179:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("desen.in", "r", stdin); ^ user.cpp:180:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("desen.out", "w", stdout); ^