Submission #1081344

#TimeUsernameProblemLanguageResultExecution timeMemory
1081344kustizusLibrary (JOI18_library)C++17
Compilation error
0 ms0 KiB
// #pragma GCC optimize("O3","unroll-loops") #include <bits/stdc++.h> #include "library.h" using namespace std; // #define #define int long long #define all(v) v.begin(), v.end() #define fi first #define se second mt19937_64 rnd(chrono::high_resolution_clock::now().time_since_epoch().count()); // declare const int N=1e3; bool vs[N+5]; vector <int> ans; vector <int> g[N + 5]; void dfs(int i){ ans.push_back(i); vs[i] = true; for (int j : g[i]) if (!vs[j]) dfs(j); } void Solve(int n) { int now = 1; for (int i = 1; i < n; i++){ vector <int> m; for (int j = 1; j <= n; ++j) if (!vs[j] && now != j) m.push_back(j); int l = 1, r = m.size(); while (l < r) { int md = (l + r) / 2; vector <int> ch(n); for (int k = l; k <= md; ++k) ch[m[k - 1] - 1]=1; int c1 = Query(ch); ch[now - 1] = 1; int c2 = Query(ch); if (c1 >= c2) r = md; else l = md + 1; } if (l==m.size()) { vs[now] = 1; now = 1; } else { vs[now] = 1; g[now].push_back(m[l - 1]); g[m[l - 1]].push_back(now); now = m[l - 1]; } } int idx, mn = 2000; for (int i = 1; i <= n; ++i) if (g[i].size() <= mn) { mn = g[i].size(); idx = i; } for (int i = 1; i <= n; ++i) vs[i] = false; dfs(idx); Answer(ans); }

Compilation message (stderr)

library.cpp: In function 'void Solve(long long int)':
library.cpp:40:28: error: invalid initialization of reference of type 'const std::vector<int>&' from expression of type 'std::vector<long long int>'
   40 |             int c1 = Query(ch);
      |                            ^~
In file included from library.cpp:3:
library.h:2:35: note: in passing argument 1 of 'int Query(const std::vector<int>&)'
    2 | int Query(const std::vector<int>& M);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~^
library.cpp:42:28: error: invalid initialization of reference of type 'const std::vector<int>&' from expression of type 'std::vector<long long int>'
   42 |             int c2 = Query(ch);
      |                            ^~
In file included from library.cpp:3:
library.h:2:35: note: in passing argument 1 of 'int Query(const std::vector<int>&)'
    2 | int Query(const std::vector<int>& M);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~^
library.cpp:46:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |         if (l==m.size())
      |             ~^~~~~~~~~~
library.cpp:61:25: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   61 |         if (g[i].size() <= mn)
      |             ~~~~~~~~~~~~^~~~~
library.cpp:68:12: error: invalid initialization of reference of type 'const std::vector<int>&' from expression of type 'std::vector<long long int>'
   68 |     Answer(ans);
      |            ^~~
In file included from library.cpp:3:
library.h:3:37: note: in passing argument 1 of 'void Answer(const std::vector<int>&)'
    3 | void Answer(const std::vector<int>& res);
      |             ~~~~~~~~~~~~~~~~~~~~~~~~^~~