sculpture.cpp: In function 'long long int bt(int, std::vector<int>)':
sculpture.cpp:8:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(v.size()+1>b || v.size()+1<a) return 10000000009ll;
~~~~~~~~~~^~
sculpture.cpp:8:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(v.size()+1>b || v.size()+1<a) return 10000000009ll;
~~~~~~~~~~^~
sculpture.cpp:10:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<v.size();i++){
~^~~~~~~~~
sculpture.cpp:24:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<v.size();i++){
~^~~~~~~~~