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#include <stdio.h>
#include <math.h>
#define CHANGE 300
#define MONTHS 12
int main(void)
{
int sum = 0;
int rest = 0;
int storage;
int chan = 0;
int cost[MONTHS];
for(int i=0;i<MONTHS;i++)
scanf("%d",&cost[i]);//输入每个月画的钱
for(int i=0;i<MONTHS;i++)
{
chan = CHANGE + rest;
rest = chan - cost[i];
if(rest<0)
printf("Month: %d rest: %d", i, rest);
else
{
storage = floor((rest/100)) * 100;
rest -= storage;
sum += storage;
}
}
printf("%d\n", sum);
printf("%.1lf",(sum + sum*0.2));
}