Submission #296803

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
296803	2020-09-10 22:06:33	Bruteforceman	JJOOII 2 (JOI20_ho_t2)	C++11	100 / 100	18 ms	3344 KiB

ho_t2

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#include "bits/stdc++.h"
using namespace std;
const int inf = 1e9;
string s;
vector <int> solve(char c, int k) {
  vector <int> v (s.size());
  int r = 0;
  int cnt = 0;
  for(int i = 0; i < s.size(); i++) {
    while(r < s.size() && cnt < k) {
      cnt += (s[r] == c);
      ++r;
    }
    v[i] = (cnt == k) ? r : inf;
    cnt -= (s[i] == c);
  } 
  return v;
}
int main(int argc, char const *argv[])
{
  int n, k;
  cin >> n >> k;
  cin >> s;
  map <char, int> cnt;
  int r = 0;
  int ans = inf;
  vector <int> a[3];
  a[0] = solve('J', k);
  a[1] = solve('O', k);
  a[2] = solve('I', k); 
 
 
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Compilation message (stderr)

ho_t2.cpp: In function 'std::vector<int> solve(char, int)':
ho_t2.cpp:9:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |  for(int i = 0; i < s.size(); i++) {
      |                 ~~^~~~~~~~~~
ho_t2.cpp:10:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |   while(r < s.size() && cnt < k) {
      |         ~~^~~~~~~~~~
ho_t2.cpp: In function 'int main(int, const char**)':
ho_t2.cpp:34:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |    if(cur >= s.size()) {
      |       ~~~~^~~~~~~~~~~
ho_t2.cpp:25:6: warning: unused variable 'r' [-Wunused-variable]
   25 |  int r = 0;
      |      ^

• Subtask 1: 1 / 1
• Subtask 2: 12 / 12
• Subtask 3: 87 / 87