Compilare: user.cpp: In function ‘int check(int, int, char*)’: user.cpp:21:6: warning: unused variable ‘rez’ [-Wunused-variable] int rez = 0; ^ user.cpp: In function ‘int eval(int, int)’: user.cpp:42:32: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] if ((x = check(st, dr, "OR")) != -1) ^ user.cpp:44:38: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] else if ((x = check(st, dr, "AND")) != -1) ^ user.cpp:46:38: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] else if ((x = check(st, dr, "NOT")) != -1) ^ user.cpp:50:39: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] else if ((x = check(st, dr, "TRUE")) != -1) ^ user.cpp:52:37: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] else if ((x = check(st, dr, "FALSE")) != -1) ^ user.cpp: In function ‘void citire()’: user.cpp:14:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(s); ^ user.cpp:15:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &n); ^ user.cpp:16:18: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(changes); ^ user.cpp: In function ‘int eval(int, int)’: user.cpp:59:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:63:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bool.in", "r", stdin); ^ user.cpp:64:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bool.out", "w", stdout); ^ /tmp/cczDVXCf.o: In function `citire()': user.cpp:(.text+0x13): warning: the `gets' function is dangerous and should not be used.