#include
int main()
{
int x;
int i = 1;
float k = 300;
float sum = 300;
scanf("%d",&x);
for(i=1;k { k = k*(1+1.0/8); } printf("%d",i); return 0; }
#include
void main()
{
int i,x;
float s=300;
scanf("%d",&x);
for(i=2;s s *= 9.0 / 8; printf("第%d天\n",i-1); }
#include
int main() {
int i = 1, x;
float s = 300;
scanf("%d", &x);
while(s < x) {
s = s*(1+1.0/8);
i = i+1;
}
printf("第%d天\n", i);
return 0;
}
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