- Tim phuong an doi tien */
#include <stdio.h>
#define TONGSOTIEN 300000
void main()
{
long i, j, k, l, m, count=0, soluong = 0;
for (i=0; i<=TONGSOTIEN/1000; i++)
for (j=0; j<=TONGSOTIEN/2000; j++)
for (k=0; k<=TONGSOTIEN/5000; k++)
for (l=0; l<=TONGSOTIEN/10000; l++)
for (m=0; m<=TONGSOTIEN/20000; m++)
{
if ((i*1000 + j*2000 + k*5000 + l*10000 + m*20000) == TONGSOTIEN)
printf("\n%5ld - %5ld%5ld%5ld%5ld%5ld", ++count, i, j, k, l, m);
soluong++;
}
printf("so luong = %ld", soluong);
getch();
}