제출 #506159

#제출 시각아이디문제언어결과실행 시간메모리
506159jerzyk저장 (Saveit) (IOI10_saveit)C++17
컴파일 에러
0 ms0 KiB
#include "grader.h" #include "encoder.h" #include<bits/stdc++.h> typedef long long ll; using namespace std; const int N = 1000 + 7; vector<int>ed[N]; int tab[38][1000 + 7], wsk[N]; ll Return3(int v, int h) { ll w, m; for(int i = 1; i <= h; ++i) { if(tab[i][v] == tab[i][wsk[i]]) m = 1; if(tab[i][v] > tab[i][wsk[i]]) m = 2; w += m * pow(3LL, (ll)i - 1); } return w; } void PrintBits(ll x, int l) { for(int i = 1; i <= l; ++i) { encode_bit(x % 2); x /= 2; } } void DFS(int v) { for(int i = 0; i < (int)ed[v].size(); ++i) { if(wsk[ed[v][i]] == 0) { wsk[ed[v][i]] = v; DFS(ed[v][i]); } } } void BFS(int n, int s) { int v; queue<int> q; for(int i = 1; i <= n; ++i) tab[s][i] = N * 2; tab[s][s] = 0; q.push(s); while(q.size() > 0) { v = q.front(); q.pop(); for(int i = 0; i < (int)ed[v].size(); ++i) { if(tab[s][ed[v][i]] > tab[s][v] + 1) { tab[s][ed[v][i]] = tab[s][v] + 1; q.push(ed[v][i]); } } } } void encode(int n, int h, int m, int* a, int* b) { for(int i = 0; i < m; ++i) { ed[a[i] + 1].push_back(b[i] + 1); ed[a[i] + 1].push_back(b[i] + 1); } for(int i = 1; i <= h; ++i) BFS(n, i); wsk[1] = 1; DFS(1); for(int i = 2; i <= h; ++i) PrintBits(tab[i][1], 10); for(int i = 2; i <= n; ++i) { PrintBits(wsk[i], 10); PrintBits(Return3(i, h), 58); } }
#include "grader.h" #include "encoder.h" #include<bits/stdc++.h> using namespace std; typedef long long ll; const int N = 10000 + 7; int odl[37][N], dod[37][N], ws[N]; vector<int>ed[N]; void DFS(int v, int h) { for(int i = 1; i <= h; ++i) odl[i][v] = dod[i][v] + odl[i][ws[v]]; for(int i = 0; i < (int)ed[v].size(); ++i) DFS(ed[v][i]); } void Dod(ll l, int v, int h) { for(int i = 1; i <= h; ++i) { if(l % 3LL == 0) dod[i][v] = -1; if(l % 3LL == 2) dod[i][v] = 1; } } ll ReadBits(int n) { int b; ll w = 0LL; for(int i = 0; i < n; ++i) { b = decode_bit(); w += pow(2LL, j) * b; } return w; } void decode(int n, int h) { for(int i = 2; i <= h; ++i) odl[i][1] = ReadBits(10); for(int i = 2; i <= n; ++i) { ws[i] = ReadBits(10); ed[ws[i]].push_back(i); Dod(ReadBits(58), i, h); } DFS(1); for(int i = 1; i <= h; ++i) for(int j = 1; j <= n; ++j) hops(i - 1, j - 1, odl[i][j]); }

컴파일 시 표준 에러 (stderr) 메시지

encoder.cpp: In function 'll Return3(int, int)':
encoder.cpp:22:12: warning: 'w' may be used uninitialized in this function [-Wmaybe-uninitialized]
   22 |     return w;
      |            ^
encoder.cpp:20:16: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized]
   20 |         w += m * pow(3LL, (ll)i - 1);
      |              ~~^~~~~~~~~~~~~~~~~~~~~

decoder.cpp: In function 'void DFS(int, int)':
decoder.cpp:14:40: error: reference to 'ws' is ambiguous
   14 |         odl[i][v] = dod[i][v] + odl[i][ws[v]];
      |                                        ^~
In file included from /usr/include/c++/10/istream:991,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from decoder.cpp:3:
/usr/include/c++/10/bits/istream.tcc:1024:5: note: candidates are: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::ws(std::basic_istream<_CharT, _Traits>&)'
 1024 |     ws(basic_istream<_CharT, _Traits>& __in)
      |     ^~
decoder.cpp:8:29: note:                 'int ws [10007]'
    8 | int odl[37][N], dod[37][N], ws[N];
      |                             ^~
decoder.cpp:16:21: error: too few arguments to function 'void DFS(int, int)'
   16 |         DFS(ed[v][i]);
      |                     ^
decoder.cpp:11:6: note: declared here
   11 | void DFS(int v, int h)
      |      ^~~
decoder.cpp: In function 'll ReadBits(int)':
decoder.cpp:37:23: error: 'j' was not declared in this scope
   37 |         w += pow(2LL, j) * b;
      |                       ^
decoder.cpp: In function 'void decode(int, int)':
decoder.cpp:48:9: error: reference to 'ws' is ambiguous
   48 |         ws[i] = ReadBits(10);
      |         ^~
In file included from /usr/include/c++/10/istream:991,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from decoder.cpp:3:
/usr/include/c++/10/bits/istream.tcc:1024:5: note: candidates are: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::ws(std::basic_istream<_CharT, _Traits>&)'
 1024 |     ws(basic_istream<_CharT, _Traits>& __in)
      |     ^~
decoder.cpp:8:29: note:                 'int ws [10007]'
    8 | int odl[37][N], dod[37][N], ws[N];
      |                             ^~
decoder.cpp:49:12: error: reference to 'ws' is ambiguous
   49 |         ed[ws[i]].push_back(i);
      |            ^~
In file included from /usr/include/c++/10/istream:991,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from decoder.cpp:3:
/usr/include/c++/10/bits/istream.tcc:1024:5: note: candidates are: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::ws(std::basic_istream<_CharT, _Traits>&)'
 1024 |     ws(basic_istream<_CharT, _Traits>& __in)
      |     ^~
decoder.cpp:8:29: note:                 'int ws [10007]'
    8 | int odl[37][N], dod[37][N], ws[N];
      |                             ^~
decoder.cpp:52:10: error: too few arguments to function 'void DFS(int, int)'
   52 |     DFS(1);
      |          ^
decoder.cpp:11:6: note: declared here
   11 | void DFS(int v, int h)
      |      ^~~