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