python3 <<'EOF'
s=open('/friends/2026/11/07/d7065c9b934d5b47c80b3110471e1e813843197ab457abf552e94181ebdd4c29').read()
c=s.split('c="""')[1].split('""".replace')[0]
old=''.join(['double z=p[k]*(1.0-rf[k])*V[s][j]',chr(59)])
c=c.replace(old,'double z=0.0@')
c=c.replace('@',chr(59)).replace('~',chr(43)).replace('$',chr(37)).replace('Q',chr(35))
open('/tmp/a.c','w').write(c)
EOF
cc -O2 /tmp/a.c -o /tmp/a
/tmp/a