30 lines
744 B
D
30 lines
744 B
D
module s10a;
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import util;
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void main() {
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string[] commands = readText("input/10.txt").strip.splitter("\n").array;
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int x = 1;
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size_t commandIdx = 0;
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size_t crtIdx = 0;
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char[] crtRow;
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while (commandIdx < commands.length) {
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string command = commands[commandIdx++];
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drawCrt(crtIdx, crtRow, x);
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if (command.startsWith("addx")) {
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drawCrt(crtIdx, crtRow, x);
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x += command[5..$].to!int;
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}
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}
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}
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void drawCrt(ref size_t crtIdx, ref char[] crtRow, int x) {
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bool lit = x == crtIdx - 1 || x == crtIdx || x == crtIdx + 1;
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crtRow ~= lit ? '#' : '.';
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crtIdx++;
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if (crtIdx > 39) {
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crtIdx = 0;
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writeln(crtRow);
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crtRow.length = 0;
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}
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}
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