21 lines
404 B
C
21 lines
404 B
C
#include <stdio.h>
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int main(void) {
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int c, num1, num2, sum;
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num1 = 0;
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num2 = 0;
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sum = 0;
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while ((c = fgetc(stdin)) != EOF) {
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if (c >= '0' && c <= '9') {
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num1 = num1 == 0 ? c - '0' : num1;
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num2 = c - '0';
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} else if (c == '\n') {
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sum += num1*10 + num2;
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num1 = 0;
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}
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}
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printf("%d\n", sum);
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return 0;
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}
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