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View Compilation Error

0_0_23209089_2059.cpp: In function 'void init()':
0_0_23209089_2059.cpp:96:9: error: no match for 'operator=' (operand types are 'P {aka std::pair<long long int, long long int>}' and 'int')
     ans = 0;
         ^
0_0_23209089_2059.cpp:96:9: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
                 from 0_0_23209089_2059.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:158:7: note: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(const std::pair<_T1, _T2>&) [with _T1 = long long int; _T2 = long long int]
       operator=(const pair& __p)
       ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:158:7: note:   no known conversion for argument 1 from 'int' to 'const std::pair<long long int, long long int>&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:166:7: note: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(std::pair<_T1, _T2>&&) [with _T1 = long long int; _T2 = long long int]
       operator=(pair&& __p)
       ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:166:7: note:   no known conversion for argument 1 from 'int' to 'std::pair<long long int, long long int>&&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:177:2: note: template<class _U1, class _U2> std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; _T1 = long long int; _T2 = long long int]
  operator=(const pair<_U1, _U2>& __p)
  ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:177:2: note:   template argument deduction/substitution failed:
0_0_23209089_2059.cpp:96:9: note:   mismatched types 'const std::pair<_T1, _T2>' and 'int'
     ans = 0;
         ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
                 from 0_0_23209089_2059.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:186:2: note: template<class _U1, class _U2> std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; _T1 = long long int; _T2 = long long int]
  operator=(pair<_U1, _U2>&& __p)
  ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:186:2: note:   template argument deduction/substitution failed:
0_0_23209089_2059.cpp:96:9: note:   mismatched types 'std::pair<_T1, _T2>' and 'int'
     ans = 0;
         ^
0_0_23209089_2059.cpp: In function 'int main()':
0_0_23209089_2059.cpp:101:11: error: 'getni' was not declared in this scope
     getni();
           ^


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