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View Compilation Error

0_0_25516361_16075.cpp: In function 'scaler pow(const scaler&, size_t)':
0_0_25516361_16075.cpp:167:10: error: conversion from 'int' to 'scaler' is ambiguous
   return 1;
          ^
0_0_25516361_16075.cpp:167:10: note: candidates are:
0_0_25516361_16075.cpp:142:2: note: scaler::scaler(size_t)
  scaler(size_t x): value(x % base) { }
  ^
0_0_25516361_16075.cpp:141:2: note: scaler::scaler(std::ptrdiff_t)
  scaler(ptrdiff_t x): value((base + x) % base) { }
  ^
0_0_25516361_16075.cpp: At global scope:
0_0_25516361_16075.cpp:171:37: error: conversion from 'int' to 'const value_type {aka const scaler}' is ambiguous
 std::vector<scaler> inverseans(20, 0);
                                     ^
0_0_25516361_16075.cpp:171:37: note: candidates are:
0_0_25516361_16075.cpp:142:2: note: scaler::scaler(size_t)
  scaler(size_t x): value(x % base) { }
  ^
0_0_25516361_16075.cpp:141:2: note: scaler::scaler(std::ptrdiff_t)
  scaler(ptrdiff_t x): value((base + x) % base) { }
  ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:64:0,
                 from 0_0_25516361_16075.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_vector.h:289:7: note: initializing argument 2 of 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const value_type&, const allocator_type&) [with _Tp = scaler; _Alloc = std::allocator<scaler>; std::vector<_Tp, _Alloc>::size_type = long long unsigned int; std::vector<_Tp, _Alloc>::value_type = scaler; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<scaler>]'
       vector(size_type __n, const value_type& __value,
       ^
0_0_25516361_16075.cpp:252:19: error: call of overloaded 'scaler(int)' is ambiguous
 const scaler one(1);
                   ^
0_0_25516361_16075.cpp:252:19: note: candidates are:
0_0_25516361_16075.cpp:142:2: note: scaler::scaler(size_t)
  scaler(size_t x): value(x % base) { }
  ^
0_0_25516361_16075.cpp:141:2: note: scaler::scaler(std::ptrdiff_t)
  scaler(ptrdiff_t x): value((base + x) % base) { }
  ^
0_0_25516361_16075.cpp:132:7: note: constexpr scaler::scaler(const scaler&)
 class scaler {
       ^
0_0_25516361_16075.cpp:132:7: note: constexpr scaler::scaler(scaler&&)
0_0_25516361_16075.cpp:253:20: error: call of overloaded 'scaler(int)' is ambiguous
 const scaler zero(0);
                    ^
0_0_25516361_16075.cpp:253:20: note: candidates are:
0_0_25516361_16075.cpp:142:2: note: scaler::scaler(size_t)
  scaler(size_t x): value(x % base) { }
  ^
0_0_25516361_16075.cpp:141:2: note: scaler::scaler(std::ptrdiff_t)
  scaler(ptrdiff_t x): value((base + x) % base) { }
  ^
0_0_25516361_16075.cpp:132:7: note: constexpr scaler::scaler(const scaler&)
 class scaler {
       ^
0_0_25516361_16075.cpp:132:7: note: constexpr scaler::scaler(scaler&&)


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