- 502 名前：デフォルトの名無しさん mailto:sage [2008/01/23(水) 12:38:41 ]
- >>496
#include <stdio.h>
int main(int argc, char *argv[])
{
int i, j;
double x, y, sum;
char buf[100];
FILE *fp;
if (argc != 2)
return 1;
fp = fopen(argv[1], "r");
if (fp == NULL)
return 1;
for (i = 0, sum = 0.0; i <= 10; i++) {
for (j = 0; j < 100; j++) {
fgets(buf, sizeof(buf), fp);
sscanf(buf, "%lf %lf\n", &x, &y);
sum += y;
}
printf("%lf\t%lf\n", x, sum/100);
}
return 0;
}
