0_0_11073317_26128.cpp: In function `void DOWN(int)':
0_0_11073317_26128.cpp:57: error: `l' undeclared (first use this function)
0_0_11073317_26128.cpp:57: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11073317_26128.cpp:57: error: `r' undeclared (first use this function)
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