View Compilation Error

0_0_23228782_304.cpp: In function 'int main()':
0_0_23228782_304.cpp:45:5: error: 'res' was not declared in this scope
     res+=(1ll*mp[tp]*mp[i]);
     ^
0_0_23228782_304.cpp:47:11: error: 'res' was not declared in this scope
    if(!u) res+=1ll*n;
           ^
0_0_23228782_304.cpp:48:20: error: 'res' was not declared in this scope
    printf("%lld\n",res/2);
                    ^