Compilare: user.cpp: In function ‘int main()’: user.cpp:38:72: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] else if(ch[p1]=='?'||ch[p1]=='!'&&p1<size) ^ user.cpp:46:83: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(ch[p1]==' '||ch[p1]==','&&p1<size) ^ user.cpp:16:40: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(ch,4000,fin); ^