View Compilation Error

0_0_30287188_26348.cpp: In function 'int main()':
0_0_30287188_26348.cpp:10:7: error: 'll' was not declared in this scope
   for(ll i=1;i<=n;i++) scanf("%lld%lld",a+i,b+i),suma+=a[i],sumb+=b[i];
       ^
0_0_30287188_26348.cpp:10:14: error: 'i' was not declared in this scope
   for(ll i=1;i<=n;i++) scanf("%lld%lld",a+i,b+i),suma+=a[i],sumb+=b[i];
              ^
0_0_30287188_26348.cpp:12:7: error: 'll' was not declared in this scope
   for(ll i=1;i<=n;i++) ans=min(ans,suma+sumb-a[i]-b[i]);
       ^
0_0_30287188_26348.cpp:12:14: error: 'i' was not declared in this scope
   for(ll i=1;i<=n;i++) ans=min(ans,suma+sumb-a[i]-b[i]);
              ^