Mã chấm: 269362

Main.cc: In function ‘void KQ(int*, int)’:
Main.cc:8:5: error: expected ‘,’ or ‘;’ before ‘for’
     for(int i=1; i<=n; i++){
     ^~~
Main.cc:8:18: error: ‘i’ was not declared in this scope
     for(int i=1; i<=n; i++){
                  ^
Main.cc:7:9: warning: unused variable ‘dem’ [-Wunused-variable]
     int dem=0
         ^~~
Main.cc: In function ‘int main()’:
Main.cc:20:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
Main.cc:22:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&a[i]);
         ~~~~~^~~~~~~~~~~~