#include<stdio.h>main(){ float x; int y,i50,i20,i10,i5,i1,i050,i010; do{  printf("Input the salery:\n");  scanf("%f",&x);  if(x<=0)   printf("Data ERROR!"); }while(x<=0); y=(int)((x+0.0005)*100);//消除计算机在处理浮点数时产生的误差，如：程序main()                  //                                             { float a=2.50;                                     //                                               printf("%f",a);                     //                                               }                        //输出结果是2.499997;与2.50有一定误差.    printf("100元的张数:%3d\n",y/10000);   y%=10000;   i50=y/5000;//50的张数   i20=(y%5000)/2000;//20的张数   i10=((y%5000)%2000)/1000;//10的张数   y%=1000;   i5=y/500;   i1=(y%500)/100;   y%=100;   i050=y/50;   i010=(y%50)/10;   y%=10;   printf("50元的张数:%3d\t20元的张数:%3d\t10元的张数:%3d\n",i50,i20,i10);   printf("5元的张数:%3d\t1元的张数:%3d\n",i5,i1);   printf("5角的张数:%3d\t1角的张数:%3d\n",i050,i010);   printf("欠:0.0%1d元\n",y);   getch();}

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