51 lines
1 KiB
C
51 lines
1 KiB
C
|
#include <stdio.h>
|
||
|
|
|
||
|
|
int main()
|
||
|
|
{
|
||
|
|
FILE *input;
|
||
|
|
input = fopen("./input", "r");
|
||
|
|
FILE *output;
|
||
|
|
output = fopen("./output", "w");
|
||
|
|
|
||
|
|
char inChar;
|
||
|
|
char numbers[4];
|
||
|
|
numbers[2] = '\n';
|
||
|
|
numbers[3] = '\0';
|
||
|
|
int numIndex = 0;
|
||
|
|
|
||
|
|
while((inChar = fgetc(input)) != EOF) {
|
||
|
|
if (inChar >= '0' && inChar <= '9' && numIndex == 0) {
|
||
|
|
numbers[0] = inChar;
|
||
|
|
numbers[1] = inChar;
|
||
|
|
numIndex = 1;
|
||
|
|
} else if (inChar >= '0' && inChar <= '9' && numIndex == 1) {
|
||
|
|
numbers[1] = inChar;
|
||
|
|
} else if (inChar == EOF || inChar == '\n' || inChar == '\0') {
|
||
|
|
fputs(numbers, output);
|
||
|
|
numIndex = 0;
|
||
|
|
numbers[0] = '0';
|
||
|
|
numbers[1] = '0';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fclose(input);
|
||
|
|
fclose(output);
|
||
|
|
|
||
|
|
int sum = 0;
|
||
|
|
input = fopen("./output", "r");
|
||
|
|
while((inChar = fgetc(input)) != EOF) {
|
||
|
|
if (inChar >= '0' && inChar <= '9' && numIndex == 0) {
|
||
|
|
sum += (inChar - '0') * 10;
|
||
|
|
numIndex = 1;
|
||
|
|
} else if (inChar >= '0' && inChar <= '9' && numIndex == 1) {
|
||
|
|
sum += inChar - '0';
|
||
|
|
numIndex = 0;
|
||
|
|
} else if (inChar == EOF)
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
printf("%d\n", sum);
|
||
|
|
|
||
|
|
fclose(input);
|
||
|
|
}
|