View Compilation Error

0_0_25084929_25839.cpp:1:1: error: 'lude' does not name a type
 lude <bits/stdc++.h>
 ^
0_0_25084929_25839.cpp:11:9: error: 'pair' does not name a type
 typedef pair<int, int> pii;
         ^
0_0_25084929_25839.cpp: In function 'int main()':
0_0_25084929_25839.cpp:19:16: error: 'scanf' was not declared in this scope
  scanf("%d", &t);
                ^
0_0_25084929_25839.cpp:22:24: error: 'memset' was not declared in this scope
   memset(g, 0, sizeof g);
                        ^
0_0_25084929_25839.cpp:25:36: error: 'swap' was not declared in this scope
    if (u[i] < v[i]) swap(u[i], v[i]);
                                    ^
0_0_25084929_25839.cpp:34:26: error: 'printf' was not declared in this scope
   printf("Case #%d:", ++T);
                          ^
0_0_25084929_25839.cpp:48:10: error: 'puts' was not declared in this scope
   puts("");
          ^