Compilare: user.cpp: In function ‘int main()’: user.cpp:35:13: warning: unused variable ‘j’ [-Wunused-variable] int i=0,j; ^ user.cpp: In function ‘int paranteze(char*)’: user.cpp:30:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:39:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(intrare,"%c",&v[0]); ^ user.cpp:51:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(intrare,"%c",&v[i]); ^