View Compilation Error

0_0_29815747_17714.cpp: In function 'int main()':
0_0_29815747_17714.cpp:18:30: error: 'canf' was not declared in this scope
             canf("%lld",&s[i]);
                              ^
0_0_29815747_17714.cpp:21:30: error: 'canf' was not declared in this scope
             canf("%lld",&v[i]);
                              ^