View Compilation Error

0_0_22343304_3562.cpp: In function 'int main()':
0_0_22343304_3562.cpp:63:9: error: 'LL' was not declared in this scope
         LL ans = 0;
         ^
0_0_22343304_3562.cpp:67:13: error: 'ans' was not declared in this scope
             ans += (LL)T.sum[1] * (LL)(seg[i+1].h - seg[i].h);
             ^
0_0_22343304_3562.cpp:69:26: error: 'ans' was not declared in this scope
         printf("%lld\n", ans);
                          ^