View Compilation Error

0_0_36903541_26790.cpp: In function 'int main()':
0_0_36903541_26790.cpp:35:9: error: 's' was not declared in this scope
         s.clear(), mp2.clear(); mp.clear();
         ^
0_0_36903541_26790.cpp:65:27: error: unable to deduce 'auto&&' from 's'
             for (auto v : s) {
                           ^