oj.uz

Submission #558383

# Submission time Handle Problem Language Result Execution time Memory
558383 2022-05-07T08:06:53 Z Koosha_mv The short shank; Redemption (BOI21_prison) C++14
100 / 100
 1471 ms 89184 KB 
#include <bits/stdc++.h>
using namespace std;
#define dbgv(v) cout<<#v<<" = "; f(i,0,v.size()) cout<<v[i]<<" "; cout<<endl
#define dbga(a,x,y) cout<<#a<<" = "; f(i,x,y) cout<<a[i]<<" "; cout<<endl
#define erorp(x) cout<<#x<<"={"<<x.F<<" , "<<x.S<<"}"<<endl
#define eror(x) cout<<#x<<'='<<(x)<<endl
#define f_(i,a,b) for(int i=a;i>=b;i--)
#define f(i,a,b) for(int i=a;i<b;i++)
#define nb(x) __builtin_popcount(x)
#define all(v) v.begin(),v.end()
#define bit(n,k) (((n)>>(k))&1)
#define Add(x,y) x=(x+y)%mod
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define lst(x) x[x.size()-1]
#define sz(x) int(x.size())
#define mp make_pair
#define ll long long
#define pb push_back
#define S second
#define F first

const int N=4e6+99;

int n,d,t,ans,a[N],b[N],ps[N],L[N],R[N],ok[N];
int seg1[N<<2],seg2[N<<2],dp[N<<2];

void add(int L,int R,int val,int id=1,int l=1,int r=n+1){
	if(r<=L || R<=l) return ;
	if(L<=l && r<=R){
		seg1[id]+=val;
		dp[id]=seg1[id]+max(dp[id<<1],dp[id<<1|1]);
		return ;
	}
	int mid=(l+r)>>1;
	add(L,R,val,id<<1,l,mid);
	add(L,R,val,id<<1|1,mid,r);
	dp[id]=seg1[id]+max(dp[id<<1],dp[id<<1|1]);
}
void build(int id=1,int l=1,int r=n+1){
	if(l+1==r){
		seg2[id]=(ok[l] ? L[l] : N);
		return ;
	}
	int mid=(l+r)>>1;
	build(id<<1,l,mid);
	build(id<<1|1,mid,r);
	seg2[id]=min(seg2[id<<1],seg2[id<<1|1]);
}
int get(int id=1,int l=1,int r=n+1){
	int mid=(l+r)>>1;
	if(l+1==r) return l;
	if(dp[id<<1]>=dp[id<<1|1]) return get(id<<1,l,mid);
	return get(id<<1|1,mid,r);
}
void prt(int x,int id=1,int l=1,int r=n+1){
	if(r<=x || x<seg2[id]) return ;
	if(l+1==r){
		seg2[id]=N;
		add(L[l],R[l],-1);
		return ;
	}
	int mid=(l+r)>>1;
	prt(x,id<<1,l,mid);
	prt(x,id<<1|1,mid,r);
	seg2[id]=min(seg2[id<<1],seg2[id<<1|1]);
}

int32_t main(){
	ios:: sync_with_stdio(0), cin.tie(0), cout.tie(0);
	vector<int> vec(1);
	b[0]=N;
	cin>>n>>d>>t; t++;
	minm(d,n-1);
	f(i,1,n+1) cin>>a[i];
	f(i,1,n+1){
		ok[i]=1;
		if(a[i]<t){
			L[i]=R[i]=i;
			b[i]=min(n,i+t-a[i]-1);
			while(b[vec.back()]<=b[i]) vec.pop_back();
			vec.pb(i);
			continue ;
		}
		ok[i]=1;
		while(b[vec.back()]<i) vec.pop_back();
		L[i]=vec.back()+1;
		R[i]=i+1;
		if(L[i]==1) ans++,ok[i]=0;
		else add(L[i],R[i],1);
		
	}
	build();
	f(i,0,d){
		ans+=dp[1];
		int x=get();
		prt(x);
	}
	cout<<n-ans;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 340 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 123 ms 22432 KB Output is correct
3 Correct 102 ms 22156 KB Output is correct
4 Correct 118 ms 22696 KB Output is correct
5 Correct 117 ms 22648 KB Output is correct
6 Correct 111 ms 20228 KB Output is correct
7 Correct 384 ms 21084 KB Output is correct
8 Correct 133 ms 22220 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 388 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 2 ms 480 KB Output is correct
24 Correct 2 ms 596 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 2 ms 596 KB Output is correct
27 Correct 2 ms 596 KB Output is correct
28 Correct 2 ms 596 KB Output is correct
29 Correct 2 ms 596 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 2 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 2 ms 468 KB Output is correct
35 Correct 2 ms 476 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 20 ms 5076 KB Output is correct
3 Correct 17 ms 5052 KB Output is correct
4 Correct 34 ms 4952 KB Output is correct
5 Correct 39 ms 4848 KB Output is correct
6 Correct 45 ms 4928 KB Output is correct
7 Correct 19 ms 4572 KB Output is correct
8 Correct 17 ms 4240 KB Output is correct
9 Correct 56 ms 4812 KB Output is correct
10 Correct 14 ms 4916 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 388 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 2 ms 480 KB Output is correct
24 Correct 2 ms 596 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 2 ms 596 KB Output is correct
27 Correct 2 ms 596 KB Output is correct
28 Correct 2 ms 596 KB Output is correct
29 Correct 2 ms 596 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 2 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 2 ms 468 KB Output is correct
35 Correct 2 ms 476 KB Output is correct
36 Correct 0 ms 336 KB Output is correct
37 Correct 20 ms 5076 KB Output is correct
38 Correct 17 ms 5052 KB Output is correct
39 Correct 34 ms 4952 KB Output is correct
40 Correct 39 ms 4848 KB Output is correct
41 Correct 45 ms 4928 KB Output is correct
42 Correct 19 ms 4572 KB Output is correct
43 Correct 17 ms 4240 KB Output is correct
44 Correct 56 ms 4812 KB Output is correct
45 Correct 14 ms 4916 KB Output is correct
46 Correct 1 ms 336 KB Output is correct
47 Correct 1 ms 468 KB Output is correct
48 Correct 1 ms 336 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 344 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 332 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 332 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 3 ms 596 KB Output is correct
58 Correct 1 ms 596 KB Output is correct
59 Correct 2 ms 596 KB Output is correct
60 Correct 2 ms 596 KB Output is correct
61 Correct 2 ms 596 KB Output is correct
62 Correct 2 ms 596 KB Output is correct
63 Correct 2 ms 476 KB Output is correct
64 Correct 1 ms 476 KB Output is correct
65 Correct 1 ms 476 KB Output is correct
66 Correct 1 ms 468 KB Output is correct
67 Correct 1 ms 468 KB Output is correct
68 Correct 2 ms 468 KB Output is correct
69 Correct 2 ms 468 KB Output is correct
70 Correct 1 ms 340 KB Output is correct
71 Correct 19 ms 5068 KB Output is correct
72 Correct 17 ms 5104 KB Output is correct
73 Correct 33 ms 4892 KB Output is correct
74 Correct 38 ms 4920 KB Output is correct
75 Correct 40 ms 4932 KB Output is correct
76 Correct 17 ms 4564 KB Output is correct
77 Correct 17 ms 4252 KB Output is correct
78 Correct 52 ms 4892 KB Output is correct
79 Correct 18 ms 4912 KB Output is correct
80 Correct 26 ms 5140 KB Output is correct
81 Correct 30 ms 5140 KB Output is correct
82 Correct 26 ms 5152 KB Output is correct
83 Correct 34 ms 5024 KB Output is correct
84 Correct 28 ms 5032 KB Output is correct
85 Correct 43 ms 4896 KB Output is correct
86 Correct 30 ms 4936 KB Output is correct
87 Correct 27 ms 4704 KB Output is correct
88 Correct 44 ms 4816 KB Output is correct
89 Correct 62 ms 4928 KB Output is correct
90 Correct 44 ms 4940 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 123 ms 22432 KB Output is correct
14 Correct 102 ms 22156 KB Output is correct
15 Correct 118 ms 22696 KB Output is correct
16 Correct 117 ms 22648 KB Output is correct
17 Correct 111 ms 20228 KB Output is correct
18 Correct 384 ms 21084 KB Output is correct
19 Correct 133 ms 22220 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 388 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 2 ms 480 KB Output is correct
32 Correct 2 ms 596 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 596 KB Output is correct
35 Correct 2 ms 596 KB Output is correct
36 Correct 2 ms 596 KB Output is correct
37 Correct 2 ms 596 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 2 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 2 ms 468 KB Output is correct
43 Correct 2 ms 476 KB Output is correct
44 Correct 0 ms 336 KB Output is correct
45 Correct 20 ms 5076 KB Output is correct
46 Correct 17 ms 5052 KB Output is correct
47 Correct 34 ms 4952 KB Output is correct
48 Correct 39 ms 4848 KB Output is correct
49 Correct 45 ms 4928 KB Output is correct
50 Correct 19 ms 4572 KB Output is correct
51 Correct 17 ms 4240 KB Output is correct
52 Correct 56 ms 4812 KB Output is correct
53 Correct 14 ms 4916 KB Output is correct
54 Correct 1 ms 336 KB Output is correct
55 Correct 1 ms 468 KB Output is correct
56 Correct 1 ms 336 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 344 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 332 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 1 ms 332 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 3 ms 596 KB Output is correct
66 Correct 1 ms 596 KB Output is correct
67 Correct 2 ms 596 KB Output is correct
68 Correct 2 ms 596 KB Output is correct
69 Correct 2 ms 596 KB Output is correct
70 Correct 2 ms 596 KB Output is correct
71 Correct 2 ms 476 KB Output is correct
72 Correct 1 ms 476 KB Output is correct
73 Correct 1 ms 476 KB Output is correct
74 Correct 1 ms 468 KB Output is correct
75 Correct 1 ms 468 KB Output is correct
76 Correct 2 ms 468 KB Output is correct
77 Correct 2 ms 468 KB Output is correct
78 Correct 1 ms 340 KB Output is correct
79 Correct 19 ms 5068 KB Output is correct
80 Correct 17 ms 5104 KB Output is correct
81 Correct 33 ms 4892 KB Output is correct
82 Correct 38 ms 4920 KB Output is correct
83 Correct 40 ms 4932 KB Output is correct
84 Correct 17 ms 4564 KB Output is correct
85 Correct 17 ms 4252 KB Output is correct
86 Correct 52 ms 4892 KB Output is correct
87 Correct 18 ms 4912 KB Output is correct
88 Correct 26 ms 5140 KB Output is correct
89 Correct 30 ms 5140 KB Output is correct
90 Correct 26 ms 5152 KB Output is correct
91 Correct 34 ms 5024 KB Output is correct
92 Correct 28 ms 5032 KB Output is correct
93 Correct 43 ms 4896 KB Output is correct
94 Correct 30 ms 4936 KB Output is correct
95 Correct 27 ms 4704 KB Output is correct
96 Correct 44 ms 4816 KB Output is correct
97 Correct 62 ms 4928 KB Output is correct
98 Correct 44 ms 4940 KB Output is correct
99 Correct 1 ms 340 KB Output is correct
100 Correct 1 ms 340 KB Output is correct
101 Correct 1 ms 340 KB Output is correct
102 Correct 2 ms 340 KB Output is correct
103 Correct 1 ms 340 KB Output is correct
104 Correct 1 ms 340 KB Output is correct
105 Correct 1 ms 332 KB Output is correct
106 Correct 1 ms 340 KB Output is correct
107 Correct 1 ms 340 KB Output is correct
108 Correct 1 ms 340 KB Output is correct
109 Correct 1 ms 340 KB Output is correct
110 Correct 1 ms 340 KB Output is correct
111 Correct 114 ms 22356 KB Output is correct
112 Correct 92 ms 22180 KB Output is correct
113 Correct 117 ms 22680 KB Output is correct
114 Correct 122 ms 22720 KB Output is correct
115 Correct 118 ms 20300 KB Output is correct
116 Correct 388 ms 20992 KB Output is correct
117 Correct 165 ms 22220 KB Output is correct
118 Correct 2 ms 520 KB Output is correct
119 Correct 2 ms 468 KB Output is correct
120 Correct 2 ms 596 KB Output is correct
121 Correct 2 ms 600 KB Output is correct
122 Correct 2 ms 596 KB Output is correct
123 Correct 1 ms 596 KB Output is correct
124 Correct 2 ms 596 KB Output is correct
125 Correct 1 ms 480 KB Output is correct
126 Correct 1 ms 472 KB Output is correct
127 Correct 1 ms 480 KB Output is correct
128 Correct 2 ms 500 KB Output is correct
129 Correct 2 ms 468 KB Output is correct
130 Correct 2 ms 468 KB Output is correct
131 Correct 1 ms 340 KB Output is correct
132 Correct 21 ms 5088 KB Output is correct
133 Correct 21 ms 5108 KB Output is correct
134 Correct 35 ms 4856 KB Output is correct
135 Correct 39 ms 4800 KB Output is correct
136 Correct 50 ms 4936 KB Output is correct
137 Correct 25 ms 4556 KB Output is correct
138 Correct 17 ms 4308 KB Output is correct
139 Correct 58 ms 4812 KB Output is correct
140 Correct 14 ms 4936 KB Output is correct
141 Correct 22 ms 5072 KB Output is correct
142 Correct 29 ms 5100 KB Output is correct
143 Correct 25 ms 5068 KB Output is correct
144 Correct 32 ms 5016 KB Output is correct
145 Correct 25 ms 5084 KB Output is correct
146 Correct 47 ms 4936 KB Output is correct
147 Correct 32 ms 4976 KB Output is correct
148 Correct 27 ms 4604 KB Output is correct
149 Correct 45 ms 4912 KB Output is correct
150 Correct 55 ms 4924 KB Output is correct
151 Correct 45 ms 4936 KB Output is correct
152 Correct 477 ms 87784 KB Output is correct
153 Correct 474 ms 87780 KB Output is correct
154 Correct 459 ms 87664 KB Output is correct
155 Correct 813 ms 86744 KB Output is correct
156 Correct 696 ms 89184 KB Output is correct
157 Correct 385 ms 73308 KB Output is correct
158 Correct 576 ms 80480 KB Output is correct
159 Correct 1471 ms 84960 KB Output is correct
160 Correct 1387 ms 84940 KB Output is correct
161 Correct 648 ms 81100 KB Output is correct
162 Correct 514 ms 83800 KB Output is correct