Compilare: user.cpp: In function ‘void interclaseaza(int)’: user.cpp:26:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<lista[nod*2].size() && j<lista[nod*2+1].size()){ ^ user.cpp:26:58: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<lista[nod*2].size() && j<lista[nod*2+1].size()){ ^ user.cpp:37:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<lista[nod*2].size()) lista[nod].push_back(lista[nod*2][i++]); ^ user.cpp:38:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<lista[nod*2+1].size()) lista[nod].push_back(lista[nod*2+1][j++]); ^ user.cpp: In function ‘void update_aib(int, int)’: user.cpp:64:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(poz < aib[id].size()){ ^ user.cpp: In function ‘int main()’: user.cpp:119:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mess.in", "r", stdin); ^ user.cpp:120:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mess.out", "w", stdout); ^ user.cpp:124:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ user.cpp:127:48: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &aux[i].nr), aux[i].ind = i; ^ user.cpp:139:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &p); ^ user.cpp:142:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &pos); ^ user.cpp:155:42: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &l1, &l2, &x); ^