- 361 名前：デフォルトの名無しさん mailto:sage [2007/06/27(水) 15:03:15 ]
- >>353
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int xrand()
{
double i, x = 0;
for (i = 1; i <= 12; i++)
x += (double)rand() / RAND_MAX;
return 20 * (x - 6) + 100;
}
int main(void)
{
double fstock_sum = 0, estock_sum = 0, supply_sum = 0, cost_sum = 0;
int i, stock = 125, supply;
srand(time(0));
for (i = 0; i < 1000; i++) {
fstock_sum += stock;
stock -= xrand();
cost_sum += (stock > 0 ? 120 : 180) * abs(stock) + 15000;
if (stock < 0) stock = 0;
estock_sum += stock;
supply = (stock > 200 ? 0 : 200 - stock);
supply_sum += supply;
stock += supply;
}
printf("平均初期在庫: %g\n", fstock_sum / 1000);
printf("平均最終在庫: %g\n", estock_sum / 1000);
printf("平均補充量 : %g\n", supply_sum / 1000);
printf("平均総経費 : %g\n", cost_sum / 1000);
return 0;
}
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