Submission #941061

#TimeUsernameProblemLanguageResultExecution timeMemory
941061socpiteToxic Gene (NOI23_toxic)C++17
97.30 / 100
19 ms600 KiB
#include<bits/stdc++.h> #include"toxic.h" using namespace std; mt19937 rng(69420); int query_sample(vector<int> species); int h[301]; int shuffled_query(vector<int> speices){ for(auto &v: speices)v = h[v]; return query_sample(speices); } void shuffled_answer(int x, char c){ answer_type(h[x], c); } void determine_type(int n){ int l = 1, r = n; iota(h+1, h+n+1, 1); shuffle(h+1, h+n+1, rng); vector<int> T; vector<vector<int>> finding_nemo; vector<int> vec(n); vector<bool> bad(n+1, 0); vector<bool> done(n+1, 0); iota(vec.begin(), vec.end(), 1); // vector<int> missing; int tcnt = 0; while(!vec.empty()){ // shuffle(vec.begin(), vec.end(), rng); vector<int> sampling; vector<int> species; vector<int> missing; for(int i = 0; i < min<int>(8, vec.size()); i++){ sampling.push_back(vec[i]); for(int _ = 0; _ < (1<<i); _++)species.push_back(vec[i]); } for(int i = 0; i < sampling.size(); i++)vec.erase(vec.begin()); // cout << "????" << endl; int tot1 = shuffled_query(species); if(tot1 == species.size()){ finding_nemo.push_back(sampling); } else { for(int i = 0; i < sampling.size(); i++){ if(tot1&(1<<i)){ shuffled_answer(sampling[i], 'S'); } else missing.push_back(sampling[i]); } int ql = 0, r = missing.size()-1; while(ql < r){ int mid = (ql+r)>>1; vector<int> nw(missing.begin(), missing.begin() + mid + 1); if(!finding_nemo.empty()){ vector<int> old_sampling = finding_nemo.back(); for(int i = 0; i < old_sampling.size(); i++){ for(int _ = 0; _ < (1<<i); _++)nw.push_back(old_sampling[i]); } } int tmp = shuffled_query(nw); if(tmp != nw.size()){ r = mid; if(!finding_nemo.empty()){ vector<int> old_sampling = finding_nemo.back(); finding_nemo.pop_back(); for(int i = 0; i < old_sampling.size(); i++){ if(tmp&(1<<i))shuffled_answer(old_sampling[i], 'S'); else shuffled_answer(old_sampling[i], 'R'); } } } else ql = mid+1; } tcnt++; for(int i = 0; i <= ql; i++){ if(i < ql)shuffled_answer(missing[i], 'R'); else { shuffled_answer(missing[i], 'T'); T.push_back(missing[i]); } } for(int i = ql+1; i < missing.size(); i++){ bad[missing[i]] = 1; vec.push_back(missing[i]); } } } // cout << T.back() << endl; for(auto old_sampling: finding_nemo){ vector<int> nw; for(int i = 0; i < old_sampling.size(); i++){ for(int _ = 0; _ < (1<<i); _++)nw.push_back(old_sampling[i]); } nw.push_back(T.back()); int tmp = shuffled_query(nw); for(int i = 0; i < old_sampling.size(); i++){ if(tmp&(1<<i))shuffled_answer(old_sampling[i], 'S'); else shuffled_answer(old_sampling[i], 'R'); } } }

Compilation message (stderr)

toxic.cpp: In function 'void determine_type(int)':
toxic.cpp:41:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |   for(int i = 0; i < sampling.size(); i++)vec.erase(vec.begin());
      |                  ~~^~~~~~~~~~~~~~~~~
toxic.cpp:44:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |         if(tot1 == species.size()){
      |            ~~~~~^~~~~~~~~~~~~~~~~
toxic.cpp:48:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |             for(int i = 0; i < sampling.size(); i++){
      |                            ~~^~~~~~~~~~~~~~~~~
toxic.cpp:60:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |      for(int i = 0; i < old_sampling.size(); i++){
      |                     ~~^~~~~~~~~~~~~~~~~~~~~
toxic.cpp:65:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |     if(tmp != nw.size()){
      |        ~~~~^~~~~~~~~~~~
toxic.cpp:70:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |       for(int i = 0; i < old_sampling.size(); i++){
      |                      ~~^~~~~~~~~~~~~~~~~~~~~
toxic.cpp:86:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   86 |    for(int i = ql+1; i < missing.size(); i++){
      |                      ~~^~~~~~~~~~~~~~~~
toxic.cpp:95:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   95 |   for(int i = 0; i < old_sampling.size(); i++){
      |                  ~~^~~~~~~~~~~~~~~~~~~~~
toxic.cpp:100:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  100 |   for(int i = 0; i < old_sampling.size(); i++){
      |                  ~~^~~~~~~~~~~~~~~~~~~~~
toxic.cpp:21:9: warning: unused variable 'l' [-Wunused-variable]
   21 |     int l = 1, r = n;
      |         ^
toxic.cpp:21:16: warning: unused variable 'r' [-Wunused-variable]
   21 |     int l = 1, r = n;
      |                ^
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