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View Compilation Error

0_0_37715102_24828.cpp: In function 'void solve()':
0_0_37715102_24828.cpp:80:13: error: 'inf' was not declared in this scope
     int ans=inf;
             ^
0_0_37715102_24828.cpp:84:15: error: 'pii' was not declared in this scope
         queue<pii> q;
               ^
0_0_37715102_24828.cpp:84:18: error: template argument 1 is invalid
         queue<pii> q;
                  ^
0_0_37715102_24828.cpp:84:18: error: template argument 2 is invalid
0_0_37715102_24828.cpp:84:21: error: invalid type in declaration before ';' token
         queue<pii> q;
                     ^
0_0_37715102_24828.cpp:85:11: error: request for member 'push' in 'q', which is of non-class type 'int'
         q.push({xs,ys});
           ^
0_0_37715102_24828.cpp:87:17: error: request for member 'size' in 'q', which is of non-class type 'int'
         while(q.size())
                 ^
0_0_37715102_24828.cpp:89:22: error: request for member 'front' in 'q', which is of non-class type 'int'
             auto t=q.front();
                      ^
0_0_37715102_24828.cpp:90:15: error: request for member 'pop' in 'q', which is of non-class type 'int'
             q.pop();
               ^
0_0_37715102_24828.cpp:99:19: error: request for member 'push' in 'q', which is of non-class type 'int'
                 q.push({a,b});
                   ^
0_0_37715102_24828.cpp: In function 'int main()':
0_0_37715102_24828.cpp:112:9: error: 't' was not declared in this scope
  cin >> t; while (t--) solve();
         ^


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