40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#define LOOP_COUNT 1000000
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#define EXPECTED_CHECKSUM 4600001
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static int32_t configured_loop_count(void) {
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int32_t value = LOOP_COUNT;
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if (scanf("%d", &value) != 1 || value <= 0) {
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return LOOP_COUNT;
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}
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return value;
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}
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static const char *configured_target(int argc, char **argv) {
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return argc > 1 ? argv[1] : "omega";
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}
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static int32_t string_eq_loop(int32_t limit, const char *target) {
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static const char *words[5] = {"alpha", "omega", "delta", "omega", "sigma"};
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int32_t i = 0;
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int32_t acc = 1;
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while (i < limit) {
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const char *current = words[i % 5];
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acc = strcmp(current, target) == 0 ? acc + 7 : acc + 3;
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acc = acc > 1000000000 ? acc - 1000000000 : acc;
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i = i + 1;
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}
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return acc;
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}
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int main(int argc, char **argv) {
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int32_t result = string_eq_loop(configured_loop_count(), configured_target(argc, argv));
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printf("%d\n", result);
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return result == EXPECTED_CHECKSUM ? 0 : 1;
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}
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