#include <stdio.h>
int main(void) {
int i=0;
float n=4.2;
float s;
s = n * 100;
for (i = 0; s >=25; i ++)
{
s = s - 25;
}
for ( ; s >= 10; i ++)
{
s = s - 10;
}
for ( ; s >= 5; i ++)
{
s = s - 5;
}
for ( ; s >=1; i ++)
{
s = s - 1;
}
return 0;
}
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