29 lines
556 B
C
29 lines
556 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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int main(void) {
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int i, c ,sum, prev;
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char buffer[1024];
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for (i=0, sum=0, prev=0; (c=getchar())!=EOF;) {
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switch (c) {
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default: buffer[i++] = c;
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case '\n':
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case ' ':
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case '\t': break;
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}
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if (c == '\n' || c == '\t' || c == ' ') {
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buffer[i] = '\0';
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i=0;
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if (buffer[0] != '\0') {
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for (prev = floorf(atoi(buffer) / 3.00) - 2.00; prev > 0;) {
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sum = sum + prev;
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prev = floorf(prev / 3.00) - 2.00;
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}
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}
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}
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}
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printf("Total sum: %i\n", sum);
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return 0;
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}
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