Submission #371282

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
371282	2021-02-26 11:04:07	sam571128	JJOOII 2 (JOI20_ho_t2)	C++14	100 / 100	347 ms	5556 KiB

ho_t2

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#include <bits/stdc++.h>
#define int long long
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
using namespace std;
const int N = 2e5+5;
int cntj[N], cnto[N], cnti[N];
signed main(){
  fastio
  int n,k;
  cin >> n >> k;
  string s;
  cin >> s;
  s = '$' + s;
  cntj[n+1] = cnto[n+1] = cnti[n+1] = 1e18;
  for(int i = 1;i <= n;i++){
    cntj[i] = cntj[i-1], cnto[i] = cnto[i-1], cnti[i] = cnti[i-1];
    if(s[i]=='J'){
      cntj[i]++;
    }else if(s[i]=='O'){
      cnto[i]++;
    }else if(s[i]=='I'){
      cnti[i]++;
    }
  }
  auto check = [&](int i, int j){
    int idx = lower_bound(cntj+1,cntj+n+1,cntj[i-1]+k)-cntj;
 
 
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Compilation message (stderr)

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:42:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   42 |    int mid = l+r>>1;
      |              ~^~

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