Compilare: user.cpp: In function ‘int tip01(int, int, int)’: user.cpp:10:14: warning: left operand of comma operator has no effect [-Wunused-value] for(l, i=0;l;l>>=1) ^ user.cpp: In function ‘int tip2(int, int, int)’: user.cpp:21:14: warning: left operand of comma operator has no effect [-Wunused-value] for(l, i=n;l;l>>=1) ^ user.cpp: In function ‘int main()’: user.cpp:34:11: warning: statement has no effect [-Wunused-value] for(lg; lg<=n; lg<<=1); ^ user.cpp:28:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.in", "r", stdin); ^ user.cpp:29:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.out", "w", stdout); ^ user.cpp:30:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ", &n); ^ user.cpp:32:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ", &a[i]); ^ user.cpp:36:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &m); ^ user.cpp:39:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &tip, &x); ^