Compilare: user.cpp: In function ‘void update(int, int)’: user.cpp:29:28: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] for( ; poz<=n; poz+=poz&(poz-1)^poz) ^ user.cpp: In function ‘int query(int)’: user.cpp:35:25: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] for( ; poz; poz-=poz&(poz-1)^poz) ^ user.cpp: In function ‘int main()’: user.cpp:46:32: warning: unused variable ‘s’ [-Wunused-variable] int m, a, b, c, tip, i, j, s, ok; ^ user.cpp:46:35: warning: unused variable ‘ok’ [-Wunused-variable] int m, a, b, c, tip, i, j, s, ok; ^ user.cpp:44:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("aib.in", "r", stdin); ^ user.cpp:45:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("aib.out", "w", stdout); ^ user.cpp:47:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ user.cpp:50:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &c); ^ user.cpp:55:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &tip); ^ user.cpp:58:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &a, &b); ^ user.cpp:63:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &a, &b); ^ user.cpp:68:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a); ^