58 lines
1.1 KiB
C
58 lines
1.1 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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int main() {
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//load input string
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FILE *file = fopen("input", "r");
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if (file == NULL) {
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perror("main: error opening file.");
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return -1;
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}
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//string exclusions
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char *ab = "ab";
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char *cd = "cd";
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char *pq = "pq";
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char *xy = "xy";
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uint32_t ncount = 0;
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uint8_t double_check = 0;
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uint8_t vowel_check = 0;
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char input[256];
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while (fgets(input, sizeof(input), file) != NULL) {
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//string exclusion test
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if (strstr(input, ab) || strstr(input, cd) || strstr(input, pq) || strstr(input, xy)) {
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continue;
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}
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//double letter test
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double_check = 0;
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for (uint8_t i = 0; i < strlen(input); i++) {
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if (input[i] == input[i+1]) {
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double_check = 1;
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break;
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}
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}
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//three vowel test
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vowel_check = 0;
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for (uint8_t i = 0; i < strlen(input); i++) {
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if (input[i] == 'a' || input[i] == 'e' || input[i] == 'i' || input[i] == 'o' || input[i] == 'u')
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vowel_check++;
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}
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if (double_check == 1 && vowel_check >= 3)
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ncount++;
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}
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if (ferror(file)) {
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perror("main: error reading file.");
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return -1;
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}
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printf("ncount: %i\n", ncount);
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return 0;
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}
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