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View Compilation Error

0_0_39180597_28049.cpp: In function 'int main()':
0_0_39180597_28049.cpp:10:9: error: 'ios' has not been declared
   10 |         ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
      |         ^~~
0_0_39180597_28049.cpp:10:34: error: 'cin' was not declared in this scope
   10 |         ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
      |                                  ^~~
0_0_39180597_28049.cpp:1:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
  +++ |+#include <iostream>
    1 | using namespace std;
0_0_39180597_28049.cpp:10:46: error: 'cout' was not declared in this scope
   10 |         ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
      |                                              ^~~~
0_0_39180597_28049.cpp:10:46: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
0_0_39180597_28049.cpp:13:9: error: 'string' was not declared in this scope
   13 |         string ans = "Yes";
      |         ^~~~~~
0_0_39180597_28049.cpp:1:1: note: 'std::string' is defined in header '<string>'; did you forget to '#include <string>'?
  +++ |+#include <string>
    1 | using namespace std;
0_0_39180597_28049.cpp:25:41: error: 'ans' was not declared in this scope
   25 |                                         ans = "No"; break;
      |                                         ^~~
0_0_39180597_28049.cpp:28:33: error: 'ans' was not declared in this scope
   28 |                         cout << ans<<"\n";
      |                                 ^~~
0_0_39180597_28049.cpp:35:21: error: 'ans' was not declared in this scope
   35 |                 if (ans == "No")continue;
      |                     ^~~
0_0_39180597_28049.cpp:38:33: error: 'ans' was not declared in this scope
   38 |                 if (pa == pb) { ans = "No"; continue; }
      |                                 ^~~


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