21 lines
466 B
C
21 lines
466 B
C
|
#include <stdio.h>
|
||
|
|
||
|
int main(int argc, char *argv[])
|
||
|
{
|
||
|
double s = 0, d;
|
||
|
FILE *fp;
|
||
|
char *infile = "../../src/rn100";
|
||
|
if (argc > 1)
|
||
|
infile = argv[1];
|
||
|
fp = fopen(infile, "r");
|
||
|
if (fp == NULL) {
|
||
|
fprintf(stderr, "can't open %s\n", infile);
|
||
|
exit(1);
|
||
|
}
|
||
|
|
||
|
while (fscanf(fp,"%lf", &d) != EOF)
|
||
|
s += d;
|
||
|
printf("%f\n", s);
|
||
|
return 0;
|
||
|
}
|