#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define p(x,y) pair<ll,ll>(x,y)
#define BIT(i,x) ((x>>i)&1)
#define MASK(x) (1<<x)
#define ld long double
#define __builtin_popcount __builtin_popcountll
#define pll pair<ll,ll>
template<class T1,class T2>
bool maximize(T1 &x,const T2 &y)
{
if(x<y)
{
x=y;
return 1;
}
return 0;
}
template<class T1,class T2>
bool minimize(T1 &x,const T2 &y)
{
if(x>y)
{
x=y;
return 1;
}
return 0;
}
void online()
{
std::ios_base::sync_with_stdio(0);
cin.tie(0);
#ifdef thuc
freopen("input.INP","r",stdin);
freopen("output.OUT","w",stdout);
#endif
}
const ll N=2e5+10,inf=1e18;
pll a[N];
ll s[3],n,k;
ll c[N][3];
deque<ll> dq[3];
int main()
{
online();
ll ans=1e18;
memset(c,0x3f,sizeof c);
cin>>n>>k;
for(int i=1;i<=n;i++)
{
char ch;
cin>>ch;
c[i][0]=c[i-1][0]+1;
c[i][1]=c[i-1][1]+1;
c[i][2]=c[i-1][2]+1;
if(ch=='J')
{
if(dq[0].size()) s[0]+=i-dq[0].back()-1;
dq[0].push_back(i);
if(dq[0].size()>k)
{
ll z=dq[0].front();
dq[0].pop_front();
s[0]-=dq[0].front()-z-1;
}
if(dq[0].size()==k)
{
minimize(c[i][0],s[0]);
}
}
if(ch=='O')
{
if(dq[1].size()) s[1]+=i-dq[1].back()-1;
dq[1].push_back(i);
if(dq[1].size()>k)
{
ll z=dq[1].front();
dq[1].pop_front();
s[1]-=dq[1].front()-z-1;
}
if(dq[1].size()==k)
{
minimize(c[i][1],c[dq[1].front()-1][0]+s[1]);
}
}
if(ch=='I')
{
if(dq[2].size()) s[2]+=i-dq[2].back()-1;
dq[2].push_back(i);
if(dq[2].size()>k)
{
ll z=dq[2].front();
dq[2].pop_front();
s[2]-=dq[2].front()-z-1;
}
if(dq[2].size()==k)
{
minimize(ans,c[dq[2].front()-1][1]+s[2]);
}
}
}
if(ans==1e18) ans=-1;
cout<<ans;
}
Compilation message
ho_t2.cpp: In function 'int main()':
ho_t2.cpp:63:28: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
63 | if(dq[0].size()>k)
| ~~~~~~~~~~~~^~
ho_t2.cpp:69:28: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
69 | if(dq[0].size()==k)
| ~~~~~~~~~~~~^~~
ho_t2.cpp:78:28: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
78 | if(dq[1].size()>k)
| ~~~~~~~~~~~~^~
ho_t2.cpp:84:28: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
84 | if(dq[1].size()==k)
| ~~~~~~~~~~~~^~~
ho_t2.cpp:93:28: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
93 | if(dq[2].size()>k)
| ~~~~~~~~~~~~^~
ho_t2.cpp:99:28: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
99 | if(dq[2].size()==k)
| ~~~~~~~~~~~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
6748 KB |
Output is correct |
2 |
Correct |
1 ms |
6748 KB |
Output is correct |
3 |
Correct |
1 ms |
6748 KB |
Output is correct |
4 |
Correct |
1 ms |
6748 KB |
Output is correct |
5 |
Correct |
1 ms |
6748 KB |
Output is correct |
6 |
Correct |
1 ms |
6748 KB |
Output is correct |
7 |
Correct |
1 ms |
6748 KB |
Output is correct |
8 |
Correct |
1 ms |
6748 KB |
Output is correct |
9 |
Correct |
1 ms |
6804 KB |
Output is correct |
10 |
Correct |
1 ms |
6744 KB |
Output is correct |
11 |
Correct |
1 ms |
6748 KB |
Output is correct |
12 |
Correct |
1 ms |
6804 KB |
Output is correct |
13 |
Correct |
1 ms |
6748 KB |
Output is correct |
14 |
Correct |
1 ms |
6748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
6748 KB |
Output is correct |
2 |
Correct |
1 ms |
6748 KB |
Output is correct |
3 |
Correct |
1 ms |
6748 KB |
Output is correct |
4 |
Correct |
1 ms |
6748 KB |
Output is correct |
5 |
Correct |
1 ms |
6748 KB |
Output is correct |
6 |
Correct |
1 ms |
6748 KB |
Output is correct |
7 |
Correct |
1 ms |
6748 KB |
Output is correct |
8 |
Correct |
1 ms |
6748 KB |
Output is correct |
9 |
Correct |
1 ms |
6804 KB |
Output is correct |
10 |
Correct |
1 ms |
6744 KB |
Output is correct |
11 |
Correct |
1 ms |
6748 KB |
Output is correct |
12 |
Correct |
1 ms |
6804 KB |
Output is correct |
13 |
Correct |
1 ms |
6748 KB |
Output is correct |
14 |
Correct |
1 ms |
6748 KB |
Output is correct |
15 |
Correct |
1 ms |
6748 KB |
Output is correct |
16 |
Correct |
1 ms |
6748 KB |
Output is correct |
17 |
Correct |
1 ms |
7000 KB |
Output is correct |
18 |
Correct |
1 ms |
6748 KB |
Output is correct |
19 |
Correct |
1 ms |
6612 KB |
Output is correct |
20 |
Correct |
1 ms |
6748 KB |
Output is correct |
21 |
Correct |
1 ms |
6748 KB |
Output is correct |
22 |
Correct |
1 ms |
6748 KB |
Output is correct |
23 |
Correct |
1 ms |
6748 KB |
Output is correct |
24 |
Correct |
1 ms |
6748 KB |
Output is correct |
25 |
Correct |
1 ms |
6748 KB |
Output is correct |
26 |
Correct |
2 ms |
6748 KB |
Output is correct |
27 |
Correct |
1 ms |
6748 KB |
Output is correct |
28 |
Correct |
1 ms |
6748 KB |
Output is correct |
29 |
Correct |
1 ms |
6748 KB |
Output is correct |
30 |
Correct |
2 ms |
6744 KB |
Output is correct |
31 |
Correct |
1 ms |
6748 KB |
Output is correct |
32 |
Correct |
1 ms |
6744 KB |
Output is correct |
33 |
Correct |
1 ms |
6748 KB |
Output is correct |
34 |
Correct |
1 ms |
7000 KB |
Output is correct |
35 |
Correct |
1 ms |
6748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
6748 KB |
Output is correct |
2 |
Correct |
1 ms |
6748 KB |
Output is correct |
3 |
Correct |
1 ms |
6748 KB |
Output is correct |
4 |
Correct |
1 ms |
6748 KB |
Output is correct |
5 |
Correct |
1 ms |
6748 KB |
Output is correct |
6 |
Correct |
1 ms |
6748 KB |
Output is correct |
7 |
Correct |
1 ms |
6748 KB |
Output is correct |
8 |
Correct |
1 ms |
6748 KB |
Output is correct |
9 |
Correct |
1 ms |
6804 KB |
Output is correct |
10 |
Correct |
1 ms |
6744 KB |
Output is correct |
11 |
Correct |
1 ms |
6748 KB |
Output is correct |
12 |
Correct |
1 ms |
6804 KB |
Output is correct |
13 |
Correct |
1 ms |
6748 KB |
Output is correct |
14 |
Correct |
1 ms |
6748 KB |
Output is correct |
15 |
Correct |
1 ms |
6748 KB |
Output is correct |
16 |
Correct |
1 ms |
6748 KB |
Output is correct |
17 |
Correct |
1 ms |
7000 KB |
Output is correct |
18 |
Correct |
1 ms |
6748 KB |
Output is correct |
19 |
Correct |
1 ms |
6612 KB |
Output is correct |
20 |
Correct |
1 ms |
6748 KB |
Output is correct |
21 |
Correct |
1 ms |
6748 KB |
Output is correct |
22 |
Correct |
1 ms |
6748 KB |
Output is correct |
23 |
Correct |
1 ms |
6748 KB |
Output is correct |
24 |
Correct |
1 ms |
6748 KB |
Output is correct |
25 |
Correct |
1 ms |
6748 KB |
Output is correct |
26 |
Correct |
2 ms |
6748 KB |
Output is correct |
27 |
Correct |
1 ms |
6748 KB |
Output is correct |
28 |
Correct |
1 ms |
6748 KB |
Output is correct |
29 |
Correct |
1 ms |
6748 KB |
Output is correct |
30 |
Correct |
2 ms |
6744 KB |
Output is correct |
31 |
Correct |
1 ms |
6748 KB |
Output is correct |
32 |
Correct |
1 ms |
6744 KB |
Output is correct |
33 |
Correct |
1 ms |
6748 KB |
Output is correct |
34 |
Correct |
1 ms |
7000 KB |
Output is correct |
35 |
Correct |
1 ms |
6748 KB |
Output is correct |
36 |
Correct |
7 ms |
6744 KB |
Output is correct |
37 |
Correct |
7 ms |
6808 KB |
Output is correct |
38 |
Correct |
7 ms |
6912 KB |
Output is correct |
39 |
Correct |
8 ms |
7004 KB |
Output is correct |
40 |
Correct |
9 ms |
7452 KB |
Output is correct |
41 |
Correct |
8 ms |
7220 KB |
Output is correct |
42 |
Correct |
8 ms |
6932 KB |
Output is correct |
43 |
Correct |
6 ms |
7516 KB |
Output is correct |
44 |
Correct |
6 ms |
7380 KB |
Output is correct |
45 |
Correct |
8 ms |
7576 KB |
Output is correct |
46 |
Correct |
9 ms |
7580 KB |
Output is correct |
47 |
Correct |
7 ms |
7524 KB |
Output is correct |
48 |
Correct |
8 ms |
7516 KB |
Output is correct |
49 |
Correct |
5 ms |
7120 KB |
Output is correct |
50 |
Correct |
8 ms |
7516 KB |
Output is correct |
51 |
Correct |
7 ms |
7516 KB |
Output is correct |
52 |
Correct |
8 ms |
8356 KB |
Output is correct |
53 |
Correct |
7 ms |
8284 KB |
Output is correct |
54 |
Correct |
5 ms |
6748 KB |
Output is correct |
55 |
Correct |
5 ms |
8028 KB |
Output is correct |
56 |
Correct |
7 ms |
8540 KB |
Output is correct |