2021-01-17 01:54:57 +01:00
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#!/bin/bash
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2021-02-05 16:50:57 +01:00
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cd /tmp/$1
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2021-02-07 22:31:06 +01:00
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sedarg="\
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s/+/P/g;\
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s/-/M/g;\
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s/>/++p;/g;\
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s/</--p;/g;\
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s/P/++*p;/g;\
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s/M/--*p;/g;\
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s/\\./putchar(*p);/g;\
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s/,/*p=(c=getchar())==EOF?0:c;/g;\
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s/\\[/while(*p){/g;\
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s/]/}/g\
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"
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# compilation
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MEMSIZE=15
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cat <<EOF > code.c
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#include <stdio.h>
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char mem[1<<$MEMSIZE];
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char *p = mem + (1<<$((MEMSIZE - 1)));
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int c;
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int main() {
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$(timeout -s KILL 3 sed 's/[^][<>.,+-]//g' code.code | timeout -s KILL 3 sed $sedarg)
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}
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EOF
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timeout -s KILL 3 gcc -std=c11 -o binary code.c
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# execution
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timeout -s KILL 3 ./binary < args.args < stdin.stdin
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