Submission #831680

#TimeUsernameProblemLanguageResultExecution timeMemory
831680OrazBMartian DNA (IOI16_dna)C++14
0 / 100
8 ms384 KiB
#include <bits/stdc++.h> #include "dna.h" using namespace std; #define pb push_back map <string,bool> mp; int A(string s, char c){ s += c; string str = ""; for (int i = s.size()-1; i >= s.size()-10; i--){ str += s[i]; } reverse(str.begin(), str.end()); if (mp[str] == true) return 1; return 0; } int B(string s, char c){ s = c+s; string str = ""; for (int i = 0; i < 10; i++){ str += s[i]; } if (mp[str] == true) return 1; return 0; } string analyse(int n, int t) { // if (n <= 100){ // string s = ""; // while(1){ // if (s.size() == n) return s; // if (make_test(s+'0') == true) s += '0'; // else if (make_test(s+'1') == true) s += '1'; // else break; // } // while(1){ // if (s.size() == n) return s; // if (make_test('0'+s) == true) s = '0'+s; // else if (make_test('1'+s) == true) s = '1'+s; // else break; // } // } string str = ""; for (int mask = 0; mask < (1<<10); mask++){ string s = ""; for (int i = 0; i < 10; i++){ if (mask&(1<<i)) s += '1'; else s += '0'; } bool tr = make_test(s); mp[s] = tr; if (tr == true) str = s; } while(1){ if (str.size() == n) return str; if (A(str, '0')) str += '0'; else if (A(str, '1')) str += '1'; else break; } while(1){ if (str.size() == n) return str; if (B(str, '0') == true) str = '0'+str; else if (B(str, '1') == true) str = '1'+str; else break; } assert(1); }

Compilation message (stderr)

dna.cpp: In function 'int A(std::string, char)':
dna.cpp:11:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     for (int i = s.size()-1; i >= s.size()-10; i--){
      |                              ~~^~~~~~~~~~~~~~
dna.cpp: In function 'std::string analyse(int, int)':
dna.cpp:56:24: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   56 |         if (str.size() == n) return str;
      |             ~~~~~~~~~~~^~~~
dna.cpp:62:24: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   62 |         if (str.size() == n) return str;
      |             ~~~~~~~~~~~^~~~
dna.cpp:68:1: warning: control reaches end of non-void function [-Wreturn-type]
   68 | }
      | ^
grader.cpp: In function 'bool make_test(std::string)':
grader.cpp:14:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |  for (int i = 0; i < p.size(); i++) {
      |                  ~~^~~~~~~~~~
grader.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |  for (int i = 1; i <= ss.size(); i++) {
      |                  ~~^~~~~~~~~~~~
grader.cpp:28:13: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |   if (pr[i] == p.size()) {
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