Compilare: main.cpp: In function 'int main()': main.cpp:13:9: warning: unused variable 'bcrt' [-Wunused-variable] int bcrt,jcrt,kcrt,bm,jm,km,i,x; ^~~~ main.cpp:13:14: warning: unused variable 'jcrt' [-Wunused-variable] int bcrt,jcrt,kcrt,bm,jm,km,i,x; ^~~~ main.cpp:13:19: warning: unused variable 'kcrt' [-Wunused-variable] int bcrt,jcrt,kcrt,bm,jm,km,i,x; ^~~~ main.cpp:19:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&k); ^ main.cpp:25:26: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&x); ^