34 lines
750 B
C
34 lines
750 B
C
#include <stdint.h>
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#include <stdio.h>
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#define LOOP_COUNT 1000000
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#define EXPECTED_CHECKSUM 1185071
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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 int32_t branch_loop(int32_t limit) {
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int32_t i = 0;
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int32_t acc = 7;
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while (i < limit) {
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acc = acc > 1000000000 ? acc - 1000000000 : acc;
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acc = i < 500000 ? acc + 3 : acc + 7;
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acc = acc > 1234567 ? acc - 1234567 : acc + 11;
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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(void) {
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int32_t result = branch_loop(configured_loop_count());
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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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