动动手0#include <stdio.h>
#include <math.h>
int main(void) {
double money=10000,n1=0.1,n2=0.05,sum1,sum2;
for(int i=1;i<100;i++){
sum1=money+(money*n1*i);
sum2=money*pow((1+n2),i);
if(sum2>sum1){
printf("%d年后,黑夜投资额超过小甲鱼\n",i);
break;
}
}
printf("小甲鱼的投资额是:%.2lf\n",sum1);
printf(" 黑夜的投资额是:%.2lf\n",sum2);
return 0;
}
动动手1#include <stdio.h>
#include <math.h>
int main(void) {
int sum=400,year;
double r=0.08;
for(year=1;year<100;year++){
sum=(sum-50)*(1+0.08);
if (sum<0){
printf("%d年后,败光!\n",year);
break;
}
}
return 0;
}
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