34 lines
821 B
D
34 lines
821 B
D
import std.stdio;
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void main() {
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int[] mem = [
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15, 17, -1, 17, -1, -1, 16, 1,
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-1, 16, 3, -1, 15, 15, 0, 0,
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-1, 72, 101, 108, 108, 111, 44, 32,
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119, 111, 114, 108, 100, 33, 10, 0
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];
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int instructionPointer = 0;
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do {
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int a = mem[instructionPointer];
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int b = mem[instructionPointer + 1];
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if (a == -1) {
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int input;
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readf!" %d"(input);
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mem[b] = input;
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} else if (b == -1) {
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write(cast(char) mem[a]);
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} else {
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mem[b] -= mem[a];
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if (mem[b] < 1) {
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instructionPointer = mem[instructionPointer + 2];
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continue;
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}
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}
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instructionPointer += 3;
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} while (instructionPointer >= 0);
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}
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