0_0_36487687_18373.cpp: In function 'int main()':
0_0_36487687_18373.cpp:62:9: error: 'r' was not declared in this scope
while(r-l>1){
^
0_0_36487687_18373.cpp:70:6: error: redeclaration of 'll l'
ll l=0,r=1000000;
^
0_0_36487687_18373.cpp:61:6: note: 'll l' previously declared here
ll l=1;
^
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