gcc -g -w -fmax-errors=10 -std=c99 -fsigned-char -I. -c  hello.c -o hello.o
gcc ./hello.o  -o app.exe
$ score=60
$ count=$(find . -name "input*.txt" | wc -l)
$ for i in $(seq 2 1 $count); do ./app.exe < input${i}.txt > user_output${i}.txt; diff output${i}.txt user_output${i}.txt -b -B -y -i -W 100; let score+=40/$count; if [ $i == $count ]; then score=100; fi; source execscore.sh $score; done
x = 5, y = 2 * x - 1 = 9			x = 5, y = 2 * x - 1 = 9
					      >	  
					      >	  
					      >	   
section_end:1615529757:build_script
section_start:1615529757:after_script
section_end:1615529758:after_script
ERROR: Job failed: exit code 1