Submission #1011538

#TimeUsernameProblemLanguageResultExecution timeMemory
1011538awuLanguages (IOI10_languages)C++14
0 / 100
3038 ms262148 KiB
// This is a complete and utter mess #include <bits/extc++.h> using namespace std; #define unordered_map __gnu_pbds::gp_hash_table #include "grader.h" #include "lang.h" int cnt = 0; #define int unsigned short map<int, unordered_map<int8_t, int>> chars; map<array<unsigned short, 2>, unordered_map<int8_t, int>> ngrams2; map<array<unsigned short, 3>, unordered_map<int8_t, int>> ngrams3; map<array<unsigned short, 4>, unordered_map<int8_t, int>> ngrams4; map<array<unsigned short, 5>, unordered_map<int8_t, int>> ngrams5; map<array<unsigned short, 6>, unordered_map<int8_t, int>> ngrams6; #undef int int guess(vector<int> s) { if(cnt == 0) return rand() % 56; vector<double> scores(56); for(int i = 0; i < s.size(); i++) { for(auto p : chars[s[i]]) { scores[p.first] += 30; } } for(int i = 0; i < s.size() - 1; i++) { array<unsigned short, 2> ngram; for(int j = 0; j < 2; j++) { ngram[j] = s[i + j]; } for(auto p : ngrams2[ngram]) { scores[p.first] += 13; } } for(int i = 0; i < s.size() - 2; i++) { array<unsigned short, 3> ngram; for(int j = 0; j < 3; j++) { ngram[j] = s[i + j]; } for(auto p : ngrams3[ngram]) { scores[p.first] += 13; } } for(int i = 0; i < s.size() - 3; i++) { array<unsigned short, 4> ngram; for(int j = 0; j < 4; j++) { ngram[j] = s[i + j]; } for(auto p : ngrams4[ngram]) { scores[p.first] += 16; } } for(int i = 0; i < s.size() - 4; i++) { array<unsigned short, 5> ngram; for(int j = 0; j < 5; j++) { ngram[j] = s[i + j]; } for(auto p : ngrams5[ngram]) { scores[p.first] += 20; } } for(int i = 0; i < s.size() - 5; i++) { array<unsigned short, 6> ngram; for(int j = 0; j < 6; j++) { ngram[j] = s[i + j]; } for(auto p : ngrams6[ngram]) { scores[p.first] += 21; } } // cout << "Max score: " << *max_element(scores.begin(), scores.end()) << endl; return max_element(scores.begin(), scores.end()) - scores.begin(); } void process(int lang, vector<int> s) { for(int i = 0; i < s.size(); i++) { chars[s[i]][lang]++; } for(int i = 0; i < s.size() - 1; i++) { array<unsigned short, 2> ngram; for(int j = 0; j < 2; j++) { ngram[j] = s[i + j]; } ngrams2[ngram][lang]++; } for(int i = 0; i < s.size() - 2; i++) { array<unsigned short, 3> ngram; for(int j = 0; j < 3; j++) { ngram[j] = s[i + j]; } ngrams3[ngram][lang]++; } for(int i = 0; i < s.size() - 3; i++) { array<unsigned short, 4> ngram; for(int j = 0; j < 4; j++) { ngram[j] = s[i + j]; } ngrams4[ngram][lang]++; } for(int i = 0; i < s.size() - 4; i++) { array<unsigned short, 5> ngram; for(int j = 0; j < 5; j++) { ngram[j] = s[i + j]; } ngrams5[ngram][lang]++; } for(int i = 0; i < s.size() - 5; i++) { array<unsigned short, 6> ngram; for(int j = 0; j < 6; j++) { ngram[j] = s[i + j]; } ngrams6[ngram][lang]++; } cnt++; } void excerpt(int *E) { vector<int> e(E, E + 100); process(language(guess(e)), e); }

Compilation message (stderr)

lang.cpp: In function 'int guess(std::vector<int>)':
lang.cpp:22:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |   for(int i = 0; i < s.size(); i++) {
      |                  ~~^~~~~~~~~~
lang.cpp:27:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |   for(int i = 0; i < s.size() - 1; i++) {
      |                  ~~^~~~~~~~~~~~~~
lang.cpp:36:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |   for(int i = 0; i < s.size() - 2; i++) {
      |                  ~~^~~~~~~~~~~~~~
lang.cpp:45:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |   for(int i = 0; i < s.size() - 3; i++) {
      |                  ~~^~~~~~~~~~~~~~
lang.cpp:54:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |   for(int i = 0; i < s.size() - 4; i++) {
      |                  ~~^~~~~~~~~~~~~~
lang.cpp:63:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |   for(int i = 0; i < s.size() - 5; i++) {
      |                  ~~^~~~~~~~~~~~~~
lang.cpp: In function 'void process(int, std::vector<int>)':
lang.cpp:76:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |   for(int i = 0; i < s.size(); i++) {
      |                  ~~^~~~~~~~~~
lang.cpp:79:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   79 |   for(int i = 0; i < s.size() - 1; i++) {
      |                  ~~^~~~~~~~~~~~~~
lang.cpp:86:20: 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 = 0; i < s.size() - 2; i++) {
      |                  ~~^~~~~~~~~~~~~~
lang.cpp:93:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   93 |   for(int i = 0; i < s.size() - 3; i++) {
      |                  ~~^~~~~~~~~~~~~~
lang.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 < s.size() - 4; i++) {
      |                  ~~^~~~~~~~~~~~~~
lang.cpp:107:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  107 |   for(int i = 0; i < s.size() - 5; i++) {
      |                  ~~^~~~~~~~~~~~~~
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