0_0_26197574_8985.cpp: In function 'int main()':
0_0_26197574_8985.cpp:67:29: error: 'l' was not declared in this scope
scanf("%lld %lld", &l, &r);
^
0_0_26197574_8985.cpp:67:33: error: 'r' was not declared in this scope
scanf("%lld %lld", &l, &r);
^
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