oj.uz

Submission #970224

# Submission time Handle Problem Language Result Execution time Memory
970224 2024-04-26T08:37:35 Z amirhoseinfar1385 The short shank; Redemption (BOI21_prison) C++17
80 / 100
 2000 ms 438428 KB 
#include<bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
using namespace std;
const int maxn=2000000+10;
long long n,k,t,inf=1e9+5;
int all[maxn],res=0,vas[maxn],kaf=(1<<21);
vector<pair<int,int>>allq;

struct segment{
	struct node{
		long long lazy;
		pair<long long,long long>mx;
		node(){
			lazy=0;
			mx=make_pair(0,0);
		}
	};
	node seg[(1<<22)];
	segment(){
		for(int i=(1<<22)-1;i>=1;i--){
			if(i>=kaf){
				seg[i].mx.second=i-kaf;
			}else{
				seg[i].mx.second=seg[(i<<1)].mx.second;
			}
		}
	}
	void calc(int i){
		if(i>=kaf){
			seg[i].mx.first+=seg[i].lazy;
			seg[i].lazy=0;
			return ;
		}
		seg[i].mx=max(make_pair(seg[(i<<1)].lazy+seg[(i<<1)].mx.first,seg[(i<<1)].mx.second),make_pair(seg[(i<<1)^1].lazy+seg[(i<<1)^1].mx.first,seg[(i<<1)^1].mx.second));
	}
	void shift(int i){
		if(i>=kaf){
			return ;
		}
		seg[(i<<1)].lazy+=seg[i].lazy;
		seg[(i<<1)^1].lazy+=seg[i].lazy;
		seg[i].lazy=0;
		return ;
	}
	void upd(int i,int l,int r,int tl,int tr,int w){
		if(l>r||l>tr||r<tl||tl>tr){
			return ;
		}
		if(l>=tl&&r<=tr){
			seg[i].lazy+=w;
			shift(i);
			calc(i);
			return ;
		}
		shift(i);
		int m=(l+r)>>1;
		upd((i<<1),l,m,tl,tr,w);
		upd((i<<1)^1,m+1,r,tl,tr,w);
		calc(i);
	}
	pair<int,int> pors(int i,int l,int r,int tl,int tr){
		if(l>r||l>tr||r<tl||tl>tr){
			return make_pair(0,-1);
		}
		shift(i);
		calc(i);
		if(l>=tl&&r<=tr){
			return seg[i].mx;
		}
		int m=(l+r)>>1;
		return max(pors((i<<1),l,m,tl,tr),pors((i<<1)^1,m+1,r,tl,tr));
	}
}segmx;

void remove(int ind){
	if(vas[ind]==1){
		return ;
	}
	vas[ind]=1;
	segmx.upd(1,0,kaf-1,allq[ind].first,allq[ind].second,-1);
}

struct segmentv{
	vector<int>seg[(1<<22)];
	void upd(int i,int l,int r,int tl,int tr,int w){
		if(l>r||l>tr||r<tl||tl>tr){
			return ;
		}
		if(l>=tl&&r<=tr){
			seg[i].push_back(w);
			return ;
		}
		int m=(l+r)>>1;
		upd((i<<1),l,m,tl,tr,w);
		upd((i<<1)^1,m+1,r,tl,tr,w);
		return ;
	}
	void del(int i){
		i+=kaf;
		while(i>0){
			for(auto x:seg[i]){
				remove(x);
			}
			seg[i].clear();
			i>>=1;
		}
	}
}segv;

void vorod(){
	cin>>n>>k>>t;
	for(int i=1;i<=n;i++){
		cin>>all[i];
	}
}

void calbaz(){
	all[0]=inf;
	vector<int>v;
	v.push_back(0);
	for(int i=1;i<=n;i++){
		while((int)v.size()>0&&all[v.back()]+(i-v.back())>=all[i]){
			v.pop_back();
		}
		while((int)v.size()>0&&all[v.back()]+(i-v.back())>t){
			v.pop_back();
		}
		if(all[i]>t){
			if((int)v.size()==0){
				res++;
			}else{
				allq.push_back(make_pair(v.back(),i-1));
			}
		}
		v.push_back(i);
	}
}

void aval(){
	for(int i=0;i<allq.size();i++){
		segmx.upd(1,0,kaf-1,allq[i].first,allq[i].second,1);
		segv.upd(1,0,kaf-1,allq[i].first,allq[i].second,i);
	}
}

void pre(){
	calbaz();
	aval();
}

void cal(){
//	int ind=getmx();
	pair<int,int>gm=segmx.pors(1,0,kaf-1,0,n+1);
	if(gm.first==0){
		return ;
	}
	res+=gm.first;
	segv.del(gm.second);
}

void solve(){
	for(int i=0;i<k;i++){
		cal();
	}
}

void khor(){
	res=n-res;
	cout<<res<<"\n";
}

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	//freopen("inp.txt","r",stdin);
	vorod();
	pre();
	solve();
	khor();
}

Compilation message

prison.cpp: In function 'void aval()':
prison.cpp:141:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  141 |  for(int i=0;i<allq.size();i++){
      |              ~^~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 197488 KB Output is correct
2 Correct 58 ms 197600 KB Output is correct
3 Correct 58 ms 197456 KB Output is correct
4 Correct 59 ms 197456 KB Output is correct
5 Correct 60 ms 197436 KB Output is correct
6 Correct 65 ms 197460 KB Output is correct
7 Correct 59 ms 197456 KB Output is correct
8 Correct 59 ms 197480 KB Output is correct
9 Correct 60 ms 197716 KB Output is correct
10 Correct 59 ms 197456 KB Output is correct
11 Correct 59 ms 197788 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 197460 KB Output is correct
2 Correct 249 ms 209560 KB Output is correct
3 Correct 179 ms 206016 KB Output is correct
4 Correct 239 ms 211768 KB Output is correct
5 Correct 280 ms 216528 KB Output is correct
6 Correct 227 ms 211192 KB Output is correct
7 Correct 721 ms 257120 KB Output is correct
8 Correct 253 ms 213964 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 197488 KB Output is correct
2 Correct 58 ms 197600 KB Output is correct
3 Correct 58 ms 197456 KB Output is correct
4 Correct 59 ms 197456 KB Output is correct
5 Correct 60 ms 197436 KB Output is correct
6 Correct 65 ms 197460 KB Output is correct
7 Correct 59 ms 197456 KB Output is correct
8 Correct 59 ms 197480 KB Output is correct
9 Correct 60 ms 197716 KB Output is correct
10 Correct 59 ms 197456 KB Output is correct
11 Correct 59 ms 197788 KB Output is correct
12 Correct 61 ms 197580 KB Output is correct
13 Correct 60 ms 197592 KB Output is correct
14 Correct 62 ms 197476 KB Output is correct
15 Correct 61 ms 197460 KB Output is correct
16 Correct 61 ms 197460 KB Output is correct
17 Correct 59 ms 197460 KB Output is correct
18 Correct 60 ms 197460 KB Output is correct
19 Correct 60 ms 197460 KB Output is correct
20 Correct 61 ms 197460 KB Output is correct
21 Correct 63 ms 197452 KB Output is correct
22 Correct 61 ms 197460 KB Output is correct
23 Correct 63 ms 197712 KB Output is correct
24 Correct 64 ms 197460 KB Output is correct
25 Correct 61 ms 197716 KB Output is correct
26 Correct 68 ms 197712 KB Output is correct
27 Correct 85 ms 197460 KB Output is correct
28 Correct 61 ms 197716 KB Output is correct
29 Correct 61 ms 197464 KB Output is correct
30 Correct 66 ms 197460 KB Output is correct
31 Correct 59 ms 197460 KB Output is correct
32 Correct 60 ms 197460 KB Output is correct
33 Correct 64 ms 197640 KB Output is correct
34 Correct 64 ms 197596 KB Output is correct
35 Correct 63 ms 197712 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 197388 KB Output is correct
2 Correct 87 ms 199608 KB Output is correct
3 Correct 83 ms 199204 KB Output is correct
4 Correct 116 ms 202064 KB Output is correct
5 Correct 125 ms 203220 KB Output is correct
6 Correct 123 ms 203192 KB Output is correct
7 Correct 81 ms 199408 KB Output is correct
8 Correct 83 ms 199304 KB Output is correct
9 Correct 148 ms 206540 KB Output is correct
10 Correct 79 ms 198988 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 197488 KB Output is correct
2 Correct 58 ms 197600 KB Output is correct
3 Correct 58 ms 197456 KB Output is correct
4 Correct 59 ms 197456 KB Output is correct
5 Correct 60 ms 197436 KB Output is correct
6 Correct 65 ms 197460 KB Output is correct
7 Correct 59 ms 197456 KB Output is correct
8 Correct 59 ms 197480 KB Output is correct
9 Correct 60 ms 197716 KB Output is correct
10 Correct 59 ms 197456 KB Output is correct
11 Correct 59 ms 197788 KB Output is correct
12 Correct 61 ms 197580 KB Output is correct
13 Correct 60 ms 197592 KB Output is correct
14 Correct 62 ms 197476 KB Output is correct
15 Correct 61 ms 197460 KB Output is correct
16 Correct 61 ms 197460 KB Output is correct
17 Correct 59 ms 197460 KB Output is correct
18 Correct 60 ms 197460 KB Output is correct
19 Correct 60 ms 197460 KB Output is correct
20 Correct 61 ms 197460 KB Output is correct
21 Correct 63 ms 197452 KB Output is correct
22 Correct 61 ms 197460 KB Output is correct
23 Correct 63 ms 197712 KB Output is correct
24 Correct 64 ms 197460 KB Output is correct
25 Correct 61 ms 197716 KB Output is correct
26 Correct 68 ms 197712 KB Output is correct
27 Correct 85 ms 197460 KB Output is correct
28 Correct 61 ms 197716 KB Output is correct
29 Correct 61 ms 197464 KB Output is correct
30 Correct 66 ms 197460 KB Output is correct
31 Correct 59 ms 197460 KB Output is correct
32 Correct 60 ms 197460 KB Output is correct
33 Correct 64 ms 197640 KB Output is correct
34 Correct 64 ms 197596 KB Output is correct
35 Correct 63 ms 197712 KB Output is correct
36 Correct 61 ms 197388 KB Output is correct
37 Correct 87 ms 199608 KB Output is correct
38 Correct 83 ms 199204 KB Output is correct
39 Correct 116 ms 202064 KB Output is correct
40 Correct 125 ms 203220 KB Output is correct
41 Correct 123 ms 203192 KB Output is correct
42 Correct 81 ms 199408 KB Output is correct
43 Correct 83 ms 199304 KB Output is correct
44 Correct 148 ms 206540 KB Output is correct
45 Correct 79 ms 198988 KB Output is correct
46 Correct 58 ms 197464 KB Output is correct
47 Correct 61 ms 197468 KB Output is correct
48 Correct 61 ms 197592 KB Output is correct
49 Correct 59 ms 197456 KB Output is correct
50 Correct 59 ms 197456 KB Output is correct
51 Correct 59 ms 197460 KB Output is correct
52 Correct 63 ms 197616 KB Output is correct
53 Correct 58 ms 197456 KB Output is correct
54 Correct 57 ms 197468 KB Output is correct
55 Correct 58 ms 197476 KB Output is correct
56 Correct 60 ms 197460 KB Output is correct
57 Correct 61 ms 197964 KB Output is correct
58 Correct 63 ms 197456 KB Output is correct
59 Correct 61 ms 197476 KB Output is correct
60 Correct 68 ms 197460 KB Output is correct
61 Correct 61 ms 197712 KB Output is correct
62 Correct 60 ms 197688 KB Output is correct
63 Correct 62 ms 197632 KB Output is correct
64 Correct 62 ms 197456 KB Output is correct
65 Correct 61 ms 197496 KB Output is correct
66 Correct 62 ms 197468 KB Output is correct
67 Correct 62 ms 197460 KB Output is correct
68 Correct 63 ms 197716 KB Output is correct
69 Correct 61 ms 197968 KB Output is correct
70 Correct 60 ms 197428 KB Output is correct
71 Correct 88 ms 199632 KB Output is correct
72 Correct 85 ms 199376 KB Output is correct
73 Correct 118 ms 202068 KB Output is correct
74 Correct 127 ms 203220 KB Output is correct
75 Correct 127 ms 203432 KB Output is correct
76 Correct 84 ms 199380 KB Output is correct
77 Correct 83 ms 199380 KB Output is correct
78 Correct 147 ms 206544 KB Output is correct
79 Correct 77 ms 199148 KB Output is correct
80 Correct 88 ms 199188 KB Output is correct
81 Correct 98 ms 199640 KB Output is correct
82 Correct 95 ms 199124 KB Output is correct
83 Correct 116 ms 201968 KB Output is correct
84 Correct 110 ms 200348 KB Output is correct
85 Correct 133 ms 203692 KB Output is correct
86 Correct 105 ms 200400 KB Output is correct
87 Correct 89 ms 199148 KB Output is correct
88 Correct 138 ms 204244 KB Output is correct
89 Correct 164 ms 208016 KB Output is correct
90 Correct 133 ms 204008 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 197488 KB Output is correct
2 Correct 58 ms 197600 KB Output is correct
3 Correct 58 ms 197456 KB Output is correct
4 Correct 59 ms 197456 KB Output is correct
5 Correct 60 ms 197436 KB Output is correct
6 Correct 65 ms 197460 KB Output is correct
7 Correct 59 ms 197456 KB Output is correct
8 Correct 59 ms 197480 KB Output is correct
9 Correct 60 ms 197716 KB Output is correct
10 Correct 59 ms 197456 KB Output is correct
11 Correct 59 ms 197788 KB Output is correct
12 Correct 59 ms 197460 KB Output is correct
13 Correct 249 ms 209560 KB Output is correct
14 Correct 179 ms 206016 KB Output is correct
15 Correct 239 ms 211768 KB Output is correct
16 Correct 280 ms 216528 KB Output is correct
17 Correct 227 ms 211192 KB Output is correct
18 Correct 721 ms 257120 KB Output is correct
19 Correct 253 ms 213964 KB Output is correct
20 Correct 61 ms 197580 KB Output is correct
21 Correct 60 ms 197592 KB Output is correct
22 Correct 62 ms 197476 KB Output is correct
23 Correct 61 ms 197460 KB Output is correct
24 Correct 61 ms 197460 KB Output is correct
25 Correct 59 ms 197460 KB Output is correct
26 Correct 60 ms 197460 KB Output is correct
27 Correct 60 ms 197460 KB Output is correct
28 Correct 61 ms 197460 KB Output is correct
29 Correct 63 ms 197452 KB Output is correct
30 Correct 61 ms 197460 KB Output is correct
31 Correct 63 ms 197712 KB Output is correct
32 Correct 64 ms 197460 KB Output is correct
33 Correct 61 ms 197716 KB Output is correct
34 Correct 68 ms 197712 KB Output is correct
35 Correct 85 ms 197460 KB Output is correct
36 Correct 61 ms 197716 KB Output is correct
37 Correct 61 ms 197464 KB Output is correct
38 Correct 66 ms 197460 KB Output is correct
39 Correct 59 ms 197460 KB Output is correct
40 Correct 60 ms 197460 KB Output is correct
41 Correct 64 ms 197640 KB Output is correct
42 Correct 64 ms 197596 KB Output is correct
43 Correct 63 ms 197712 KB Output is correct
44 Correct 61 ms 197388 KB Output is correct
45 Correct 87 ms 199608 KB Output is correct
46 Correct 83 ms 199204 KB Output is correct
47 Correct 116 ms 202064 KB Output is correct
48 Correct 125 ms 203220 KB Output is correct
49 Correct 123 ms 203192 KB Output is correct
50 Correct 81 ms 199408 KB Output is correct
51 Correct 83 ms 199304 KB Output is correct
52 Correct 148 ms 206540 KB Output is correct
53 Correct 79 ms 198988 KB Output is correct
54 Correct 58 ms 197464 KB Output is correct
55 Correct 61 ms 197468 KB Output is correct
56 Correct 61 ms 197592 KB Output is correct
57 Correct 59 ms 197456 KB Output is correct
58 Correct 59 ms 197456 KB Output is correct
59 Correct 59 ms 197460 KB Output is correct
60 Correct 63 ms 197616 KB Output is correct
61 Correct 58 ms 197456 KB Output is correct
62 Correct 57 ms 197468 KB Output is correct
63 Correct 58 ms 197476 KB Output is correct
64 Correct 60 ms 197460 KB Output is correct
65 Correct 61 ms 197964 KB Output is correct
66 Correct 63 ms 197456 KB Output is correct
67 Correct 61 ms 197476 KB Output is correct
68 Correct 68 ms 197460 KB Output is correct
69 Correct 61 ms 197712 KB Output is correct
70 Correct 60 ms 197688 KB Output is correct
71 Correct 62 ms 197632 KB Output is correct
72 Correct 62 ms 197456 KB Output is correct
73 Correct 61 ms 197496 KB Output is correct
74 Correct 62 ms 197468 KB Output is correct
75 Correct 62 ms 197460 KB Output is correct
76 Correct 63 ms 197716 KB Output is correct
77 Correct 61 ms 197968 KB Output is correct
78 Correct 60 ms 197428 KB Output is correct
79 Correct 88 ms 199632 KB Output is correct
80 Correct 85 ms 199376 KB Output is correct
81 Correct 118 ms 202068 KB Output is correct
82 Correct 127 ms 203220 KB Output is correct
83 Correct 127 ms 203432 KB Output is correct
84 Correct 84 ms 199380 KB Output is correct
85 Correct 83 ms 199380 KB Output is correct
86 Correct 147 ms 206544 KB Output is correct
87 Correct 77 ms 199148 KB Output is correct
88 Correct 88 ms 199188 KB Output is correct
89 Correct 98 ms 199640 KB Output is correct
90 Correct 95 ms 199124 KB Output is correct
91 Correct 116 ms 201968 KB Output is correct
92 Correct 110 ms 200348 KB Output is correct
93 Correct 133 ms 203692 KB Output is correct
94 Correct 105 ms 200400 KB Output is correct
95 Correct 89 ms 199148 KB Output is correct
96 Correct 138 ms 204244 KB Output is correct
97 Correct 164 ms 208016 KB Output is correct
98 Correct 133 ms 204008 KB Output is correct
99 Correct 63 ms 197444 KB Output is correct
100 Correct 62 ms 197456 KB Output is correct
101 Correct 63 ms 197404 KB Output is correct
102 Correct 62 ms 197456 KB Output is correct
103 Correct 62 ms 197460 KB Output is correct
104 Correct 62 ms 197500 KB Output is correct
105 Correct 62 ms 197560 KB Output is correct
106 Correct 61 ms 197484 KB Output is correct
107 Correct 62 ms 197600 KB Output is correct
108 Correct 66 ms 197456 KB Output is correct
109 Correct 61 ms 197484 KB Output is correct
110 Correct 68 ms 197404 KB Output is correct
111 Correct 214 ms 209200 KB Output is correct
112 Correct 177 ms 206020 KB Output is correct
113 Correct 251 ms 212160 KB Output is correct
114 Correct 309 ms 216540 KB Output is correct
115 Correct 227 ms 211148 KB Output is correct
116 Correct 769 ms 257212 KB Output is correct
117 Correct 259 ms 213932 KB Output is correct
118 Correct 63 ms 197480 KB Output is correct
119 Correct 63 ms 197544 KB Output is correct
120 Correct 62 ms 197716 KB Output is correct
121 Correct 64 ms 197472 KB Output is correct
122 Correct 62 ms 197712 KB Output is correct
123 Correct 61 ms 197452 KB Output is correct
124 Correct 63 ms 197484 KB Output is correct
125 Correct 63 ms 197480 KB Output is correct
126 Correct 63 ms 197460 KB Output is correct
127 Correct 69 ms 197620 KB Output is correct
128 Correct 62 ms 197456 KB Output is correct
129 Correct 65 ms 197688 KB Output is correct
130 Correct 66 ms 197712 KB Output is correct
131 Correct 61 ms 197528 KB Output is correct
132 Correct 89 ms 199604 KB Output is correct
133 Correct 84 ms 199380 KB Output is correct
134 Correct 120 ms 202232 KB Output is correct
135 Correct 128 ms 203216 KB Output is correct
136 Correct 125 ms 203284 KB Output is correct
137 Correct 87 ms 199380 KB Output is correct
138 Correct 83 ms 199392 KB Output is correct
139 Correct 150 ms 206328 KB Output is correct
140 Correct 78 ms 199120 KB Output is correct
141 Correct 90 ms 199120 KB Output is correct
142 Correct 102 ms 199548 KB Output is correct
143 Correct 96 ms 199164 KB Output is correct
144 Correct 122 ms 201752 KB Output is correct
145 Correct 108 ms 200104 KB Output is correct
146 Correct 130 ms 203432 KB Output is correct
147 Correct 109 ms 200276 KB Output is correct
148 Correct 93 ms 199080 KB Output is correct
149 Correct 136 ms 203988 KB Output is correct
150 Correct 154 ms 207968 KB Output is correct
151 Correct 136 ms 204180 KB Output is correct
152 Correct 682 ms 248244 KB Output is correct
153 Correct 766 ms 252132 KB Output is correct
154 Correct 644 ms 244664 KB Output is correct
155 Correct 1455 ms 306620 KB Output is correct
156 Correct 1240 ms 278580 KB Output is correct
157 Correct 530 ms 233360 KB Output is correct
158 Correct 866 ms 261020 KB Output is correct
159 Execution timed out 2050 ms 438428 KB Time limit exceeded
160 Halted 0 ms 0 KB -