Compilare: user.cpp: In function ‘bool eval(int, int)’: user.cpp:98:29: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] int p=cautare("OR",st,dr); ^ user.cpp:101:30: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] p=cautare("AND",st,dr); ^ user.cpp:104:34: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] p=cautare("NOT",st,dr); ^ user.cpp:105:16: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (p==-1) ^ user.cpp:122:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:126:33: 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:127:35: 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);; ^ user.cpp:128:30: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(sirinit,1000,stdin); ^ user.cpp:136:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n",&t); ^ user.cpp:139:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&c); ^