View Compilation Error

0_0_37845704_4860.cpp: In function 'void solve()':
0_0_37845704_4860.cpp:73:9: error: 'll' was not declared in this scope
         ll sum=0,m=0,k=0;
         ^
0_0_37845704_4860.cpp:89:18: error: 'm' was not declared in this scope
                  m=(j-i)*abs(a[j]-a[i]);
                  ^
0_0_37845704_4860.cpp:103:16: error: 'k' was not declared in this scope
             if(k==n-1)  break;
                ^
0_0_37845704_4860.cpp:109:17: error: 'sum' was not declared in this scope
                 sum+=i;
                 ^
0_0_37845704_4860.cpp:110:17: error: 'k' was not declared in this scope
                 k++;
                 ^
0_0_37845704_4860.cpp:115:25: error: 'sum' was not declared in this scope
         printf("%lld\n",sum);
                         ^