제출 #317201

#제출 시각아이디문제언어결과실행 시간메모리
317201Kevin_Zhang_TWHidden Sequence (info1cup18_hidden)C++17
59 / 100
112 ms504 KiB
#include<bits/stdc++.h> #define pb emplace_back #define AI(i) begin(i), end(i) using namespace std; using ll = long long; #ifdef KEV #define DE(args...) kout("[ " + string(#args) + " ] : ", args) void kout() { cerr << endl; } template<class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ', kout(b...); } void debug(auto L, auto R) { while (L != R) cerr << *L << " \n"[next(L) == R], ++L; } vector<int> ans{0,0,0,0,0,1,0,0,1,1,0}; int mxq; bool isSubsequence(vector<int> a) { for (int i = 0, j = 0;i < a.size();++i) { while (j < ans.size() && ans[j] != a[i]) ++j; if (j == ans.size()) return false; ++j; } mxq = max(mxq, (int)a.size()); return true; } #else #include "grader.h" #define debug(...) 0 #define DE(...) 0 #endif const int MAX_N = 300010; const vector<int> zero{0}, one{1}; int n; bool query(vector<int> a) { if (a.size() > n) return false; return isSubsequence(a); } vector<int> operator + (vector<int> a, vector<int> b) { a.insert(end(a), AI(b)); return a; } vector<int> findSequence(int _n) { n = _n; DE(n); vector<int> Z, O, ans; while (true) { bool go = true; if (query(Z + zero)) Z.pb(0); else go = false; if (query(O + one)) O.pb(1); else go = false; if (!go) break; } DE(O.size(), Z.size()); if (query(O + one)) { while (O.size() + Z.size() < n) O.pb(1); } else { while (O.size() + Z.size() < n) Z.pb(0); } if (Z.empty() || O.empty()) return Z.empty() ? O : Z; vector<int> cnt(n+1); vector<vector<int>> ad(n+1); DE(__LINE__); // insert into zeroes if (Z.size() < O.size()) { int zs = Z.size(); int ok = Z.size() + 1, pos = -1, sum = 0; while (ok > 1) { ok = 0, pos = -1; for (int i = 0;i <= Z.size();++i) { if (query(vector<int>(i, 0) + ad[i] + one + vector<int>(zs-i, 0))) ad[i].pb(1), ++ok, pos = i, ++sum; } if (ok == 1) { int U = O.size() - sum; while (U--) ad[pos].pb(1); } } for (int i = 0;i <= Z.size();++i) { ans = ans + ad[i]; if (i < Z.size()) ans.pb(0); } } else { // insert into ones int zs = O.size(); int ok = O.size() + 1, pos = -1, sum = 0; while (ok > 1) { ok = 0, pos = -1; for (int i = 0;i <= O.size();++i) { if (query(vector<int>(i, 1) + ad[i] + zero + vector<int>(zs-i, 1))) ad[i].pb(0), ++ok, pos = i, ++sum; } if (ok == 1) { int U = Z.size() - sum; while (U--) ad[pos].pb(0); } } for (int i = 0;i <= O.size();++i) { ans = ans + ad[i]; if (i < O.size()) ans.pb(1); } } return ans; } #ifdef KEV int32_t main() { ios_base::sync_with_stdio(0), cin.tie(0); vector<int> res = findSequence(ans.size()); if (res == ans) { cerr << "AC!\n"; DE(mxq); } else { cerr << "WA\n"; debug(AI(res)); cerr << "Should be\n"; debug(AI(ans)); } } #endif

컴파일 시 표준 에러 (stderr) 메시지

hidden.cpp: In function 'bool query(std::vector<int>)':
hidden.cpp:34:15: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   34 |  if (a.size() > n) return false;
      |      ~~~~~~~~~^~~
hidden.cpp: In function 'std::vector<int> findSequence(int)':
hidden.cpp:28:17: warning: statement has no effect [-Wunused-value]
   28 | #define DE(...) 0
      |                 ^
hidden.cpp:44:2: note: in expansion of macro 'DE'
   44 |  DE(n);
      |  ^~
hidden.cpp:28:17: warning: statement has no effect [-Wunused-value]
   28 | #define DE(...) 0
      |                 ^
hidden.cpp:59:2: note: in expansion of macro 'DE'
   59 |  DE(O.size(), Z.size());
      |  ^~
hidden.cpp:62:30: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   62 |   while (O.size() + Z.size() < n)
      |          ~~~~~~~~~~~~~~~~~~~~^~~
hidden.cpp:66:30: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   66 |   while (O.size() + Z.size() < n)
      |          ~~~~~~~~~~~~~~~~~~~~^~~
hidden.cpp:28:17: warning: statement has no effect [-Wunused-value]
   28 | #define DE(...) 0
      |                 ^
hidden.cpp:75:2: note: in expansion of macro 'DE'
   75 |  DE(__LINE__);
      |  ^~
hidden.cpp:83:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |    for (int i = 0;i <= Z.size();++i) {
      |                   ~~^~~~~~~~~~~
hidden.cpp:94:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   94 |   for (int i = 0;i <= Z.size();++i) {
      |                  ~~^~~~~~~~~~~
hidden.cpp:97:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   97 |    if (i < Z.size())
      |        ~~^~~~~~~~~~
hidden.cpp:108:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  108 |    for (int i = 0;i <= O.size();++i) {
      |                   ~~^~~~~~~~~~~
hidden.cpp:119:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  119 |   for (int i = 0;i <= O.size();++i) {
      |                  ~~^~~~~~~~~~~
hidden.cpp:122:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  122 |    if (i < O.size())
      |        ~~^~~~~~~~~~
grader.cpp: In function 'int main()':
grader.cpp:28:26: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wformat=]
   28 |     fprintf (fifo_out, "%d\n", ans.size ());
      |                         ~^     ~~~~~~~~~~~
      |                          |              |
      |                          int            std::vector<int>::size_type {aka long unsigned int}
      |                         %ld
grader.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for (int i=0; i<ans.size () && i < N; i++)
      |                   ~^~~~~~~~~~~~
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