Compilare: user.cpp: In function ‘int main()’: user.cpp:47:24: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] else if(st[p]=='C') ^ user.cpp:63:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] ok=(p==L&&L==strlen(st)); ^ user.cpp:15:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&N); ^ user.cpp:18:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&L); ^ user.cpp:21:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^