48 lines
768 B
C
48 lines
768 B
C
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#include <stdio.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <string.h>
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int main() {
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int32_t floor = 0;
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uint32_t pos = 0;
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FILE *file = fopen("input", "r");
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if (file == NULL) {
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perror("Error opening file.");
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return 1;
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}
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char buffer[256];
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bool breakout = false;
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while (fgets(buffer, sizeof(buffer), file) != NULL) {
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uint16_t length = strlen(buffer);
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if (breakout) break;
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for (uint16_t i = 0; i < length; i++) {
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if (buffer[i] == '(') {
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floor++;
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pos++;
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}
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else if (buffer[i] == ')') {
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floor--;
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pos++;
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}
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if (floor == -1) {
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breakout = true;
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break;
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}
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}
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}
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if (ferror(file)) {
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perror("Error reading form file.");
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return 1;
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}
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fclose(file);
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printf("position: %i\n", pos);
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return 0;
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}
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