제출 #1016980

#제출 시각아이디문제언어결과실행 시간메모리
1016980ThommyDBBitaro’s Party (JOI18_bitaro)C++17
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; #define int long long int N, M, Q; vector<pair<int, int>> Canals; vector<vector<int>> adj; vector<int> T, Y; vector<vector<int>> C; vector<vector<int>> dp; void dfs(int x){ if(dp[x][x]==0)return; dp[x][x]=0; for(auto u : adj[x]){ dfs(u); dp[x][u]= max(dp[x][u], 1); for(int i = x+1; i < N; i++){ if(dp[u][i]==-1)continue; dp[x][i] = max(dp[x][i], dp[u][i]+1); } } } signed main(){ cin >> N >> M >> Q; Canals.resize(M); adj.resize(N); dp.resize(N, vector<int>(N, -1)); for(int i = 0; i < M; i++){ cin >> Canals[i].first >> Canals[i].second; Canals[i].first--; Canals[i].second--; adj[Canals[i].first].push_back(Canals[i].second); } for(int i = 0; i < N; i++){ if(dp[i][i]!=-1)continue; dfs(i); } /*for(int i = 0; i < N; i++){ for(int j = 0; j < N; j++){ cout << i << " -> " << j << " = " << dp[i][j] << "\n"; } }*/ T.resize(Q); Y.resize(Q); C.resize(Q); vector<bool> TooBusy(N, false); for(int i = 0; i < Q; i++){ fill(TooBusy.begin(), TooBusy.end(), false); cin >> T[i] >> Y[i]; T[i]--; C[i].resize(Y[i]); for(int j = 0; j < Y[i]; j++){ cin >> C[i][j]; C[i][j]--; TooBusy[C[i][j]]=true; } int ans = -1; for(int j = 0; j < N; j++){ //cout << i << " && " << T[i] << "\n"; if(TooBusy[j])continue; ans = max(ans, dp[j][T[i]]); } cout << ans << "\n"; } }

컴파일 시 표준 에러 (stderr) 메시지

bitaro.cpp: In function 'void dfs(long long int)':
bitaro.cpp:18:34: error: no matching function for call to 'max(__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type&, int)'
   18 |         dp[x][u]= max(dp[x][u], 1);
      |                                  ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from bitaro.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:
bitaro.cpp:18:34: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   18 |         dp[x][u]= max(dp[x][u], 1);
      |                                  ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from bitaro.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:
bitaro.cpp:18:34: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   18 |         dp[x][u]= max(dp[x][u], 1);
      |                                  ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from bitaro.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
bitaro.cpp:18:34: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   18 |         dp[x][u]= max(dp[x][u], 1);
      |                                  ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from bitaro.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
bitaro.cpp:18:34: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   18 |         dp[x][u]= max(dp[x][u], 1);
      |                                  ^