oj.uz

답안 #581602

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
581602 2022-06-22T20:44:55 Z HeyYouNotYouYou JJOOII 2 (JOI20_ho_t2) C++14
0 / 100
 1 ms 300 KB 
#include <bits/stdc++.h>
#define int long long
#define endl '\n'
using namespace std;
const int N = 100001,INF=1e12;
int32_t main()
{
  //freopen("abc.in", "r", stdin);
  int n , k ;
  cin >> n >> k;
  string s;
  cin>>s;
  vector<int>J(n),I(n),O(n);
  for(int i = 0 ; i < s.size() ; i ++){
    if(s[i]=='J') J[i]++;
    if(s[i]=='O') O[i]++;
    if(s[i]=='I') I[i]++;
    if(i) J[i]+=J[i-1],I[i]+=I[i-1],O[i]+=O[i-1];
  }
  int ans=INT_MAX;
  for(int i = 0 ; i < n ; i ++)
  {
    int start = i ;
    int cons=J[i]; if(s[i]=='J') cons--;
    auto it = lower_bound(J.begin(),J.end(),cons+k);
    if(it==J.end()) break;
    int ptr2 = it-J.begin();
    it = lower_bound(O.begin(),O.end(),O[ptr2]+k);
    if(it==O.end()) break;
    int ptr3 = it-O.begin();
    it = lower_bound(I.begin(),I.end(),I[ptr3]+k);
    if(it==I.end()) break;
    int ptr4 = it-I.begin();
    ans=min(ans,(ptr4-start+1)-(k*3));
  }
  cout<<ans;
}

Compilation message

ho_t2.cpp: In function 'int32_t main()':
ho_t2.cpp:14:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |   for(int i = 0 ; i < s.size() ; i ++){
      |                   ~~^~~~~~~~~~

Subtask #1
0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Incorrect 0 ms 212 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Incorrect 0 ms 212 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #3
0 / 87.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Incorrect 0 ms 212 KB Output isn't correct
10 Halted 0 ms 0 KB -