0_0_38356579_2940.cpp: In function 'int main()': 0_0_38356579_2940.cpp:15:4: error: expected ';' before 'mp' mp[a]++; ^ 0_0_38356579_2940.cpp:21:4: error: expected ';' before 'printf' printf("%lld\n",mp[b]); ^