제출 #886125

#제출 시각아이디문제언어결과실행 시간메모리
886125adaawfSum Zero (RMI20_sumzero)C++17
컴파일 에러
0 ms0 KiB
#include <iostream> #include <map> using namespace std; long long int a[400005], c[400005]; int l[400005][19], f[100005]; map<long long int, long long int> m; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; m[0] = 0; for (int i = 1; i <= n; i++) { cin >> a[i]; c[i] = c[i - 1] + a[i]; f[i] = f[i - 1]; if (m.count(c[i])) { f[i] = max(f[i], m[c[i]] + 1); } m[c[i]] = i; } for (int i = 1; i <= n; i++) { l[i][0] = f[i]; } for (int i = 1; i <= 18; i++) { for (int j = 1; j <= n; j++) { if (l[j][i - 1] == 0) l[j][i] = 0; else l[j][i] = l[l[j][i - 1] - 1][i - 1]; } } int q; cin >> q; for (int jj = 0; jj < q; jj++) { int x, y, res = 0; cin >> x >> y; for (int i = 18; i >= 0; i--) { if (y < x) break; if (l[y][i] >= x) { y = l[y][i] - 1; res += (1 << i); } } cout << res << '\n'; } }

컴파일 시 표준 에러 (stderr) 메시지

sumzero.cpp: In function 'int main()':
sumzero.cpp:18:41: error: no matching function for call to 'max(int&, std::map<long long int, long long int>::mapped_type)'
   18 |             f[i] = max(f[i], m[c[i]] + 1);
      |                                         ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from sumzero.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
sumzero.cpp:18:41: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'std::map<long long int, long long int>::mapped_type' {aka 'long long int'})
   18 |             f[i] = max(f[i], m[c[i]] + 1);
      |                                         ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from sumzero.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
sumzero.cpp:18:41: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'std::map<long long int, long long int>::mapped_type' {aka 'long long int'})
   18 |             f[i] = max(f[i], m[c[i]] + 1);
      |                                         ^