#include <stdio.h>
#include <conio.h>
void main()
{long int i,a1,a2,a3,a4,a5,m;
scanf("%ld",&i);
a1=100000*0.1;
a2=a1+100000*0.075;
a3=a2+200000*0.05;
a4=a3+200000*0.03;
a5=a4+400000*0.015;

  if(i<100000)
      m=i*0.1;
  else if(i<200000)
      m=a1+(i-100000)*0.075;
  else if(i<400000)
      m=a2+(i-200000)*0.05;
  else if(i<600000)
      m=a3+(i-400000)*0.03;
  else if(i<1000000)
      m=a4+(i-600000)*0.015;
  else
      m=a5+(i-1000000)*0.01;
  printf("%ld",m);


    getch();
}

warning C4244: '=' : conversion from 'const double' to 'long', possible loss of datad
这个是错误提示。。。