View Compilation Error

0_0_25842446_15615.cpp: In function 'int main()':
0_0_25842446_15615.cpp:27:17: error: 'prlong' was not declared in this scope
                 prlong longf("Case #%lld: -1\n",++cnt);
                 ^
0_0_25842446_15615.cpp:43:14: error: 'prlong' was not declared in this scope
              prlong longf("Case #%lld: %lld\n",++cnt,ans);
              ^