View Compilation Error

0_0_34218124_19462.cpp: In function 'int main()':
0_0_34218124_19462.cpp:26:20: error: 'item' was not declared in this scope
             sum += item.second;
                    ^
0_0_34218124_19462.cpp:30:24: error: 'vec' was not declared in this scope
         printf("%d\n", vec[m - 1].first);
                        ^