Eroare de compilare: main.cpp: In function 'char getChar(FILE*)': main.cpp:9:8: error: 'pos' was not declared in this scope if(pos == BUF_SIZE) ^~~ main.cpp:9:15: error: 'BUF_SIZE' was not declared in this scope if(pos == BUF_SIZE) ^~~~~~~~ main.cpp:10:15: error: 'buf' was not declared in this scope fread(buf,1,BUF_SIZE,fin); ^~~ main.cpp:11:12: error: 'buf' was not declared in this scope return buf[pos++]; ^~~ main.cpp:11:16: error: 'pos' was not declared in this scope return buf[pos++]; ^~~ main.cpp: In function 'int main()': main.cpp:63:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&m); ^ main.cpp:65:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&x); ^ main.cpp:69:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&op,&a); ^ main.cpp:71:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&b); ^ Non zero exit status: 1