# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
389887 | null_awe | Tracks in the Snow (BOI13_tracks) | C++17 | 컴파일 에러 | 0 ms | 0 KiB |
이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
using namespace std;
int main() {
int h, w;
cin >> h >> w;
vector<vector<int>> field(h, vector<int>(w, 0)), filled(h, vector<int>(w, 0));
for (int i = 0; i < h; ++i) {
string line;
cin >> line;
for (int j = 0; j < w; ++j) field[i][j] = (line[j] == '.' ? -1 : (line[j] == 'R' ? 1 : 2));
}
int r = 0;
vector<vector<int>> next();
vector<int> first{0, 0};
next.push_back(first);
while (!next.empty()) {
queue<vector<int>> q();
for (vector<int> go : next) q.push(go);
next.clear();
while (!q.empty()) {
vector<int> square = q.front();
q.pop();
for (int a = -1; a < 2; a += 2) {
int newX = square[0] + a, newY = square[1];
if (newX < 0 || newY < 0 || newX >= h || newY >= w) continue;
if (filled[newX][newY] > 0 || field[newX][newY] < 0) continue;
vector<int> add{newX, newY};
if (field[newX][newY] == field[square[0]][square[1]]) q.push(add);
else next.push_back(add);
}
for (int a = -1; a < 2; a += 2) {
int newX = square[0], newY = square[1] + a;
if (newX < 0 || newY < 0 || newX >= h || newY >= w) continue;
if (filled[newX][newY] > 0 || field[newX][newY] < 0) continue;
vector<int> add{newX, newY};
if (field[newX][newY] == field[square[0]][square[1]]) q.push(add);
else next.push_back(add);
}
filled[square[0]][square[1]] = 1;
}
r++;
}
cout << r;
return 0;
}
컴파일 시 표준 에러 (stderr) 메시지
tracks.cpp: In function 'int main()': tracks.cpp:16:8: error: request for member 'push_back' in 'next', which is of non-class type 'std::vector<std::vector<int> >()' 16 | next.push_back(first); | ^~~~~~~~~ tracks.cpp:17:16: error: request for member 'empty' in 'next', which is of non-class type 'std::vector<std::vector<int> >()' 17 | while (!next.empty()) { | ^~~~~ tracks.cpp:19:27: error: no matching function for call to 'begin(std::vector<std::vector<int> > (&)())' 19 | for (vector<int> go : next) q.push(go); | ^~~~ In file included from /usr/include/c++/9/bits/range_access.h:36, from /usr/include/c++/9/string:54, from /usr/include/c++/9/bits/locale_classes.h:40, from /usr/include/c++/9/bits/ios_base.h:41, from /usr/include/c++/9/ios:42, from /usr/include/c++/9/istream:38, from /usr/include/c++/9/sstream:38, from /usr/include/c++/9/complex:45, from /usr/include/c++/9/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54, from tracks.cpp:1: /usr/include/c++/9/initializer_list:89:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::begin(std::initializer_list<_Tp>)' 89 | begin(initializer_list<_Tp> __ils) noexcept | ^~~~~ /usr/include/c++/9/initializer_list:89:5: note: template argument deduction/substitution failed: tracks.cpp:19:27: note: mismatched types 'std::initializer_list<_Tp>' and 'std::vector<std::vector<int> > (*)()' 19 | for (vector<int> go : next) q.push(go); | ^~~~ In file included from /usr/include/c++/9/string:54, from /usr/include/c++/9/bits/locale_classes.h:40, from /usr/include/c++/9/bits/ios_base.h:41, from /usr/include/c++/9/ios:42, from /usr/include/c++/9/istream:38, from /usr/include/c++/9/sstream:38, from /usr/include/c++/9/complex:45, from /usr/include/c++/9/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54, from tracks.cpp:1: /usr/include/c++/9/bits/range_access.h:48:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(_Container&)' 48 | begin(_Container& __cont) -> decltype(__cont.begin()) | ^~~~~ /usr/include/c++/9/bits/range_access.h:48:5: note: template argument deduction/substitution failed: /usr/include/c++/9/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(_Container&) [with _Container = std::vector<std::vector<int> >()]': tracks.cpp:19:27: required from here /usr/include/c++/9/bits/range_access.h:48:50: error: request for member 'begin' in '__cont', which is of non-class type 'std::vector<std::vector<int> >()' 48 | begin(_Container& __cont) -> decltype(__cont.begin()) | ~~~~~~~^~~~~ /usr/include/c++/9/bits/range_access.h:58:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(const _Container&)' 58 | begin(const _Container& __cont) -> decltype(__cont.begin()) | ^~~~~ /usr/include/c++/9/bits/range_access.h:58:5: note: template argument deduction/substitution failed: /usr/include/c++/9/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.begin()) std::begin(const _Container&) [with _Container = std::vector<std::vector<int> >()]': tracks.cpp:19:27: required from here /usr/include/c++/9/bits/range_access.h:58:56: error: request for member 'begin' in '__cont', which is of non-class type 'std::vector<std::vector<int> >()' 58 | begin(const _Container& __cont) -> decltype(__cont.begin()) | ~~~~~~~^~~~~ /usr/include/c++/9/bits/range_access.h:87:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::begin(_Tp (&)[_Nm])' 87 | begin(_Tp (&__arr)[_Nm]) | ^~~~~ /usr/include/c++/9/bits/range_access.h:87:5: note: template argument deduction/substitution failed: tracks.cpp:19:27: note: mismatched types '_Tp [_Nm]' and 'std::vector<std::vector<int> >()' 19 | for (vector<int> go : next) q.push(go); | ^~~~ In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:95, from tracks.cpp:1: /usr/include/c++/9/valarray:1214:5: note: candidate: 'template<class _Tp> _Tp* std::begin(std::valarray<_Tp>&)' 1214 | begin(valarray<_Tp>& __va) | ^~~~~ /usr/include/c++/9/valarray:1214:5: note: template argument deduction/substitution failed: tracks.cpp:19:27: note: mismatched types 'std::valarray<_Tp>' and 'std::vector<std::vector<int> >()' 19 | for (vector<int> go : next) q.push(go); | ^~~~ In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:95, from tracks.cpp:1: /usr/include/c++/9/valarray:1224:5: note: candidate: 'template<class _Tp> const _Tp* std::begin(const std::valarray<_Tp>&)' 1224 | begin(const valarray<_Tp>& __va) | ^~~~~ /usr/include/c++/9/valarray:1224:5: note: template argument deduction/substitution failed: tracks.cpp:19:27: note: mismatched types 'const std::valarray<_Tp>' and 'std::vector<std::vector<int> >()' 19 | for (vector<int> go : next) q.push(go); | ^~~~ tracks.cpp:19:27: error: no matching function for call to 'end(std::vector<std::vector<int> > (&)())' In file included from /usr/include/c++/9/bits/range_access.h:36, from /usr/include/c++/9/string:54, from /usr/include/c++/9/bits/locale_classes.h:40, from /usr/include/c++/9/bits/ios_base.h:41, from /usr/include/c++/9/ios:42, from /usr/include/c++/9/istream:38, from /usr/include/c++/9/sstream:38, from /usr/include/c++/9/complex:45, from /usr/include/c++/9/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54, from tracks.cpp:1: /usr/include/c++/9/initializer_list:99:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>)' 99 | end(initializer_list<_Tp> __ils) noexcept | ^~~ /usr/include/c++/9/initializer_list:99:5: note: template argument deduction/substitution failed: tracks.cpp:19:27: note: mismatched types 'std::initializer_list<_Tp>' and 'std::vector<std::vector<int> > (*)()' 19 | for (vector<int> go : next) q.push(go); | ^~~~ In file included from /usr/include/c++/9/string:54, from /usr/include/c++/9/bits/locale_classes.h:40, from /usr/include/c++/9/bits/ios_base.h:41, from /usr/include/c++/9/ios:42, from /usr/include/c++/9/istream:38, from /usr/include/c++/9/sstream:38, from /usr/include/c++/9/complex:45, from /usr/include/c++/9/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54, from tracks.cpp:1: /usr/include/c++/9/bits/range_access.h:68:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(_Container&)' 68 | end(_Container& __cont) -> decltype(__cont.end()) | ^~~ /usr/include/c++/9/bits/range_access.h:68:5: note: template argument deduction/substitution failed: /usr/include/c++/9/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.end()) std::end(_Container&) [with _Container = std::vector<std::vector<int> >()]': tracks.cpp:19:27: required from here /usr/include/c++/9/bits/range_access.h:68:48: error: request for member 'end' in '__cont', which is of non-class type 'std::vector<std::vector<int> >()' 68 | end(_Container& __cont) -> decltype(__cont.end()) | ~~~~~~~^~~ /usr/include/c++/9/bits/range_access.h:78:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(const _Container&)' 78 | end(const _Container& __cont) -> decltype(__cont.end()) | ^~~ /usr/include/c++/9/bits/range_access.h:78:5: note: template argument deduction/substitution failed: /usr/include/c++/9/bits/range_access.h: In substitution of 'template<class _Container> constexpr decltype (__cont.end()) std::end(const _Container&) [with _Container = std::vector<std::vector<int> >()]': tracks.cpp:19:27: required from here /usr/include/c++/9/bits/range_access.h:78:54: error: request for member 'end' in '__cont', which is of non-class type 'std::vector<std::vector<int> >()' 78 | end(const _Container& __cont) -> decltype(__cont.end()) | ~~~~~~~^~~ /usr/include/c++/9/bits/range_access.h:97:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::end(_Tp (&)[_Nm])' 97 | end(_Tp (&__arr)[_Nm]) | ^~~ /usr/include/c++/9/bits/range_access.h:97:5: note: template argument deduction/substitution failed: tracks.cpp:19:27: note: mismatched types '_Tp [_Nm]' and 'std::vector<std::vector<int> >()' 19 | for (vector<int> go : next) q.push(go); | ^~~~ In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:95, from tracks.cpp:1: /usr/include/c++/9/valarray:1234:5: note: candidate: 'template<class _Tp> _Tp* std::end(std::valarray<_Tp>&)' 1234 | end(valarray<_Tp>& __va) | ^~~ /usr/include/c++/9/valarray:1234:5: note: template argument deduction/substitution failed: tracks.cpp:19:27: note: mismatched types 'std::valarray<_Tp>' and 'std::vector<std::vector<int> >()' 19 | for (vector<int> go : next) q.push(go); | ^~~~ In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:95, from tracks.cpp:1: /usr/include/c++/9/valarray:1244:5: note: candidate: 'template<class _Tp> const _Tp* std::end(const std::valarray<_Tp>&)' 1244 | end(const valarray<_Tp>& __va) | ^~~ /usr/include/c++/9/valarray:1244:5: note: template argument deduction/substitution failed: tracks.cpp:19:27: note: mismatched types 'const std::valarray<_Tp>' and 'std::vector<std::vector<int> >()' 19 | for (vector<int> go : next) q.push(go); | ^~~~ tracks.cpp:19:35: error: request for member 'push' in 'q', which is of non-class type 'std::queue<std::vector<int> >()' 19 | for (vector<int> go : next) q.push(go); | ^~~~ tracks.cpp:20:10: error: request for member 'clear' in 'next', which is of non-class type 'std::vector<std::vector<int> >()' 20 | next.clear(); | ^~~~~ tracks.cpp:21:15: error: request for member 'empty' in 'q', which is of non-class type 'std::queue<std::vector<int> >()' 21 | while (!q.empty()) { | ^~~~~ tracks.cpp:22:30: error: request for member 'front' in 'q', which is of non-class type 'std::queue<std::vector<int> >()' 22 | vector<int> square = q.front(); | ^~~~~ tracks.cpp:23:9: error: request for member 'pop' in 'q', which is of non-class type 'std::queue<std::vector<int> >()' 23 | q.pop(); | ^~~ tracks.cpp:29:65: error: request for member 'push' in 'q', which is of non-class type 'std::queue<std::vector<int> >()' 29 | if (field[newX][newY] == field[square[0]][square[1]]) q.push(add); | ^~~~ tracks.cpp:30:19: error: request for member 'push_back' in 'next', which is of non-class type 'std::vector<std::vector<int> >()' 30 | else next.push_back(add); | ^~~~~~~~~ tracks.cpp:37:65: error: request for member 'push' in 'q', which is of non-class type 'std::queue<std::vector<int> >()' 37 | if (field[newX][newY] == field[square[0]][square[1]]) q.push(add); | ^~~~ tracks.cpp:38:19: error: request for member 'push_back' in 'next', which is of non-class type 'std::vector<std::vector<int> >()' 38 | else next.push_back(add); | ^~~~~~~~~