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Lỗi biên dịch:

Main.cc: In function ‘int main()’:
Main.cc:20:18: error: expected ‘;’ before ‘<=’ token
     for(int i=1,i<=T,i++)
                  ^~
Main.cc:20:18: error: expected primary-expression before ‘<=’ token
Main.cc:20:25: error: expected ‘;’ before ‘)’ token
     for(int i=1,i<=T,i++)
                         ^
Main.cc: In function ‘void nhap(float*, int)’:
Main.cc:10:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%f",&a[i]);
         ~~~~~^~~~~~~~~~~~
Main.cc: In function ‘int main()’:
Main.cc:18:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&T);
     ~~~~~^~~~~~~~~