oj.uz

Submission #863159

# Submission time Handle Problem Language Result Execution time Memory
863159 2023-10-19T17:35:55 Z KiaRez The short shank; Redemption (BOI21_prison) C++17
80 / 100
 740 ms 46316 KB 
/*
    IN THE NAME OF GOD
*/
#include <bits/stdc++.h>

//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
//#pragma GCC optimize("O3")
//#pragma GCC optimize("unroll-loops")

using namespace std;

typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
typedef long double ld;

#define F                                      first
#define S                                      second
#define Mp                                     make_pair
#define pb                                     push_back
#define pf                                     push_front
#define size(x)                                ((ll)x.size())
#define all(x)                                 (x).begin(),(x).end()
#define kill(x)		                           cout << x << '\n', exit(0);
#define fuck(x)                                cout << "(" << #x << " , " << x << ")" << endl
#define endl                                   '\n'

const int N = 1e6+23, lg = 21;
ll Mod = 1e9+7; //998244353;

inline ll MOD(ll a, ll mod=Mod) {a%=mod; (a<0)&&(a+=mod); return a;}
inline ll poww(ll a, ll b, ll mod=Mod) {
    ll ans = 1;
    a=MOD(a, mod);
    while (b) {
        if (b & 1) ans = MOD(ans*a, mod);
        b >>= 1;
        a = MOD(a*a, mod);
    }
    return ans;
}

int n, d, T, t[N], ans, seg[5*N], res[N], l[N];
int lazy[5*N], seg2[5*N];

void update2(int ind, int val) {
	if(ind == 0) return;
	if(ind >= (1<<lg)) {
		seg[ind] = val;
	} else {
		seg[ind] = min(seg[2*ind], seg[2*ind+1]);
	}
	update2(ind/2, val);
}

int find(int val, int ind=1) {
	if(seg[ind] > val) return 0;

	if(ind >= (1<<lg)) {
		return (ind-(1<<lg)+1);
	}

	if(seg[2*ind+1] <= val) return find(val, 2*ind+1);
	return find(val, 2*ind);
}

void pushdown(int ind) {
	seg[ind] += lazy[ind];
	if(ind < (1<<lg)) {
		lazy[2*ind] += lazy[ind];
		lazy[2*ind+1] += lazy[ind];
	}
	lazy[ind] = 0;
}

void update(int l, int r, int val, int ind=1, int lc=1, int rc=(1<<lg)+1) {
	pushdown(ind);
	if(r<=lc || rc<=l) return;
	if(lc>=l && rc<=r) {
		lazy[ind] += val;
		pushdown(ind);
		return;
	}
	int mid = (lc+rc)/2;
	update(l, r, val, 2*ind, lc, mid);
	update(l, r, val, 2*ind+1, mid, rc);
	seg[ind] = max(seg[2*ind], seg[2*ind+1]);
}

int query(int ind=1, int lc=1, int rc=(1<<lg)+1) {
	pushdown(ind);
	if(ind >= (1<<lg)) {
		return lc;
	}
	pushdown(2*ind); pushdown(2*ind+1);
	int mid = (lc+rc)/2;
	if(seg[ind] == seg[2*ind]) {
		return query(2*ind, lc, mid);
	}
	return query(2*ind+1, mid, rc);
}

void update3(int ind, int val) {
	if(ind == 0) return;
	if(ind >= (1<<lg)) {
		seg2[ind] = val;
	} else {
		seg2[ind] = (l[seg2[2*ind]]<l[seg2[2*ind+1]] ? seg2[2*ind] : seg2[2*ind+1]);
	}
	update3(ind/2, val);
}

int query3(int l2, int r, int ind=1, int lc=1, int rc=(1<<lg)+1) {
	if(lc>=r || l2>=rc) return 0;
	if(lc>=l2 && rc<=r) {
		return seg2[ind];
	}
	int mid = (lc+rc)/2;
	int x = query3(l2, r, 2*ind, lc, mid), y = query3(l2, r, 2*ind+1, mid, rc);
	return (l[x]<l[y] ? x : y);
}

int main () {
	ios_base::sync_with_stdio(false), cin.tie(0);

	cin>>n>>d>>T;
	
	l[0] = n+1;
	for(int i=1; i<=n; i++) {cin>>t[i];}
	fill(seg, seg+4*N, (int)2e9);

	for(int i=1; i<=n; i++) {
		update2(i+(1<<lg)-1, t[i]-i);
		int j = find(T-i);
		if(j==0 || j == i) {
			l[i] = n+1;
			ans+=(j<i);
		} else {
			l[i] = j+1;
		}
	}

	fill(seg, seg+4*N, 0);
	for(int i=1; i<=n; i++) {
		if(l[i] > n) continue;
		update(l[i], i+1, 1);
		update3(i+(1<<lg)-1, i);
	}

	for(int i=1; i<=d; i++) {
		int wh = query();
		ans += seg[(1<<lg)+wh-1];
		while(l[query3(wh, n+1)] <= wh) {
			int ff = query3(wh, n+1);
			update(l[ff], ff+1, -1);
			l[ff] = n+1;
			update3(ff+(1<<lg)-1, ff);
		}
	}

	cout<<n-ans<<endl;

	return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 35164 KB Output is correct
2 Correct 6 ms 35420 KB Output is correct
3 Correct 6 ms 35324 KB Output is correct
4 Correct 6 ms 35416 KB Output is correct
5 Correct 6 ms 35420 KB Output is correct
6 Correct 6 ms 35164 KB Output is correct
7 Correct 6 ms 35160 KB Output is correct
8 Correct 8 ms 35420 KB Output is correct
9 Correct 6 ms 35164 KB Output is correct
10 Correct 6 ms 35416 KB Output is correct
11 Correct 6 ms 35420 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 35372 KB Output is correct
2 Correct 194 ms 46024 KB Output is correct
3 Correct 152 ms 45812 KB Output is correct
4 Correct 202 ms 45808 KB Output is correct
5 Correct 200 ms 45904 KB Output is correct
6 Correct 193 ms 43860 KB Output is correct
7 Correct 740 ms 45904 KB Output is correct
8 Correct 232 ms 45908 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 35164 KB Output is correct
2 Correct 6 ms 35420 KB Output is correct
3 Correct 6 ms 35324 KB Output is correct
4 Correct 6 ms 35416 KB Output is correct
5 Correct 6 ms 35420 KB Output is correct
6 Correct 6 ms 35164 KB Output is correct
7 Correct 6 ms 35160 KB Output is correct
8 Correct 8 ms 35420 KB Output is correct
9 Correct 6 ms 35164 KB Output is correct
10 Correct 6 ms 35416 KB Output is correct
11 Correct 6 ms 35420 KB Output is correct
12 Correct 6 ms 35420 KB Output is correct
13 Correct 6 ms 35420 KB Output is correct
14 Correct 6 ms 35420 KB Output is correct
15 Correct 6 ms 35296 KB Output is correct
16 Correct 6 ms 35420 KB Output is correct
17 Correct 7 ms 35420 KB Output is correct
18 Correct 7 ms 35164 KB Output is correct
19 Correct 6 ms 35420 KB Output is correct
20 Correct 8 ms 35164 KB Output is correct
21 Correct 6 ms 35420 KB Output is correct
22 Correct 6 ms 35672 KB Output is correct
23 Correct 7 ms 35416 KB Output is correct
24 Correct 8 ms 35316 KB Output is correct
25 Correct 8 ms 35420 KB Output is correct
26 Correct 8 ms 35376 KB Output is correct
27 Correct 8 ms 35420 KB Output is correct
28 Correct 7 ms 35164 KB Output is correct
29 Correct 8 ms 35328 KB Output is correct
30 Correct 8 ms 35380 KB Output is correct
31 Correct 8 ms 35416 KB Output is correct
32 Correct 7 ms 35416 KB Output is correct
33 Correct 7 ms 35416 KB Output is correct
34 Correct 10 ms 35164 KB Output is correct
35 Correct 9 ms 35164 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 35164 KB Output is correct
2 Correct 35 ms 39512 KB Output is correct
3 Correct 32 ms 39516 KB Output is correct
4 Correct 68 ms 39548 KB Output is correct
5 Correct 98 ms 39508 KB Output is correct
6 Correct 81 ms 39500 KB Output is correct
7 Correct 34 ms 39504 KB Output is correct
8 Correct 32 ms 39504 KB Output is correct
9 Correct 109 ms 39568 KB Output is correct
10 Correct 29 ms 39516 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 35164 KB Output is correct
2 Correct 6 ms 35420 KB Output is correct
3 Correct 6 ms 35324 KB Output is correct
4 Correct 6 ms 35416 KB Output is correct
5 Correct 6 ms 35420 KB Output is correct
6 Correct 6 ms 35164 KB Output is correct
7 Correct 6 ms 35160 KB Output is correct
8 Correct 8 ms 35420 KB Output is correct
9 Correct 6 ms 35164 KB Output is correct
10 Correct 6 ms 35416 KB Output is correct
11 Correct 6 ms 35420 KB Output is correct
12 Correct 6 ms 35420 KB Output is correct
13 Correct 6 ms 35420 KB Output is correct
14 Correct 6 ms 35420 KB Output is correct
15 Correct 6 ms 35296 KB Output is correct
16 Correct 6 ms 35420 KB Output is correct
17 Correct 7 ms 35420 KB Output is correct
18 Correct 7 ms 35164 KB Output is correct
19 Correct 6 ms 35420 KB Output is correct
20 Correct 8 ms 35164 KB Output is correct
21 Correct 6 ms 35420 KB Output is correct
22 Correct 6 ms 35672 KB Output is correct
23 Correct 7 ms 35416 KB Output is correct
24 Correct 8 ms 35316 KB Output is correct
25 Correct 8 ms 35420 KB Output is correct
26 Correct 8 ms 35376 KB Output is correct
27 Correct 8 ms 35420 KB Output is correct
28 Correct 7 ms 35164 KB Output is correct
29 Correct 8 ms 35328 KB Output is correct
30 Correct 8 ms 35380 KB Output is correct
31 Correct 8 ms 35416 KB Output is correct
32 Correct 7 ms 35416 KB Output is correct
33 Correct 7 ms 35416 KB Output is correct
34 Correct 10 ms 35164 KB Output is correct
35 Correct 9 ms 35164 KB Output is correct
36 Correct 6 ms 35164 KB Output is correct
37 Correct 35 ms 39512 KB Output is correct
38 Correct 32 ms 39516 KB Output is correct
39 Correct 68 ms 39548 KB Output is correct
40 Correct 98 ms 39508 KB Output is correct
41 Correct 81 ms 39500 KB Output is correct
42 Correct 34 ms 39504 KB Output is correct
43 Correct 32 ms 39504 KB Output is correct
44 Correct 109 ms 39568 KB Output is correct
45 Correct 29 ms 39516 KB Output is correct
46 Correct 6 ms 35160 KB Output is correct
47 Correct 6 ms 35160 KB Output is correct
48 Correct 6 ms 35324 KB Output is correct
49 Correct 6 ms 35420 KB Output is correct
50 Correct 6 ms 35376 KB Output is correct
51 Correct 6 ms 35416 KB Output is correct
52 Correct 6 ms 35164 KB Output is correct
53 Correct 5 ms 35420 KB Output is correct
54 Correct 6 ms 35416 KB Output is correct
55 Correct 7 ms 35160 KB Output is correct
56 Correct 6 ms 35164 KB Output is correct
57 Correct 8 ms 35420 KB Output is correct
58 Correct 8 ms 35420 KB Output is correct
59 Correct 8 ms 35420 KB Output is correct
60 Correct 8 ms 35164 KB Output is correct
61 Correct 10 ms 35324 KB Output is correct
62 Correct 7 ms 35420 KB Output is correct
63 Correct 7 ms 35160 KB Output is correct
64 Correct 7 ms 35420 KB Output is correct
65 Correct 8 ms 35160 KB Output is correct
66 Correct 8 ms 35420 KB Output is correct
67 Correct 9 ms 35164 KB Output is correct
68 Correct 8 ms 35420 KB Output is correct
69 Correct 9 ms 35164 KB Output is correct
70 Correct 6 ms 35164 KB Output is correct
71 Correct 35 ms 39568 KB Output is correct
72 Correct 32 ms 39516 KB Output is correct
73 Correct 66 ms 39508 KB Output is correct
74 Correct 79 ms 39540 KB Output is correct
75 Correct 82 ms 39564 KB Output is correct
76 Correct 35 ms 39508 KB Output is correct
77 Correct 32 ms 39548 KB Output is correct
78 Correct 109 ms 39568 KB Output is correct
79 Correct 29 ms 39504 KB Output is correct
80 Correct 49 ms 39564 KB Output is correct
81 Correct 59 ms 39516 KB Output is correct
82 Correct 53 ms 39516 KB Output is correct
83 Correct 68 ms 39564 KB Output is correct
84 Correct 59 ms 39564 KB Output is correct
85 Correct 94 ms 39504 KB Output is correct
86 Correct 65 ms 39512 KB Output is correct
87 Correct 50 ms 39768 KB Output is correct
88 Correct 94 ms 39564 KB Output is correct
89 Correct 120 ms 39556 KB Output is correct
90 Correct 98 ms 39508 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 35164 KB Output is correct
2 Correct 6 ms 35420 KB Output is correct
3 Correct 6 ms 35324 KB Output is correct
4 Correct 6 ms 35416 KB Output is correct
5 Correct 6 ms 35420 KB Output is correct
6 Correct 6 ms 35164 KB Output is correct
7 Correct 6 ms 35160 KB Output is correct
8 Correct 8 ms 35420 KB Output is correct
9 Correct 6 ms 35164 KB Output is correct
10 Correct 6 ms 35416 KB Output is correct
11 Correct 6 ms 35420 KB Output is correct
12 Correct 7 ms 35372 KB Output is correct
13 Correct 194 ms 46024 KB Output is correct
14 Correct 152 ms 45812 KB Output is correct
15 Correct 202 ms 45808 KB Output is correct
16 Correct 200 ms 45904 KB Output is correct
17 Correct 193 ms 43860 KB Output is correct
18 Correct 740 ms 45904 KB Output is correct
19 Correct 232 ms 45908 KB Output is correct
20 Correct 6 ms 35420 KB Output is correct
21 Correct 6 ms 35420 KB Output is correct
22 Correct 6 ms 35420 KB Output is correct
23 Correct 6 ms 35296 KB Output is correct
24 Correct 6 ms 35420 KB Output is correct
25 Correct 7 ms 35420 KB Output is correct
26 Correct 7 ms 35164 KB Output is correct
27 Correct 6 ms 35420 KB Output is correct
28 Correct 8 ms 35164 KB Output is correct
29 Correct 6 ms 35420 KB Output is correct
30 Correct 6 ms 35672 KB Output is correct
31 Correct 7 ms 35416 KB Output is correct
32 Correct 8 ms 35316 KB Output is correct
33 Correct 8 ms 35420 KB Output is correct
34 Correct 8 ms 35376 KB Output is correct
35 Correct 8 ms 35420 KB Output is correct
36 Correct 7 ms 35164 KB Output is correct
37 Correct 8 ms 35328 KB Output is correct
38 Correct 8 ms 35380 KB Output is correct
39 Correct 8 ms 35416 KB Output is correct
40 Correct 7 ms 35416 KB Output is correct
41 Correct 7 ms 35416 KB Output is correct
42 Correct 10 ms 35164 KB Output is correct
43 Correct 9 ms 35164 KB Output is correct
44 Correct 6 ms 35164 KB Output is correct
45 Correct 35 ms 39512 KB Output is correct
46 Correct 32 ms 39516 KB Output is correct
47 Correct 68 ms 39548 KB Output is correct
48 Correct 98 ms 39508 KB Output is correct
49 Correct 81 ms 39500 KB Output is correct
50 Correct 34 ms 39504 KB Output is correct
51 Correct 32 ms 39504 KB Output is correct
52 Correct 109 ms 39568 KB Output is correct
53 Correct 29 ms 39516 KB Output is correct
54 Correct 6 ms 35160 KB Output is correct
55 Correct 6 ms 35160 KB Output is correct
56 Correct 6 ms 35324 KB Output is correct
57 Correct 6 ms 35420 KB Output is correct
58 Correct 6 ms 35376 KB Output is correct
59 Correct 6 ms 35416 KB Output is correct
60 Correct 6 ms 35164 KB Output is correct
61 Correct 5 ms 35420 KB Output is correct
62 Correct 6 ms 35416 KB Output is correct
63 Correct 7 ms 35160 KB Output is correct
64 Correct 6 ms 35164 KB Output is correct
65 Correct 8 ms 35420 KB Output is correct
66 Correct 8 ms 35420 KB Output is correct
67 Correct 8 ms 35420 KB Output is correct
68 Correct 8 ms 35164 KB Output is correct
69 Correct 10 ms 35324 KB Output is correct
70 Correct 7 ms 35420 KB Output is correct
71 Correct 7 ms 35160 KB Output is correct
72 Correct 7 ms 35420 KB Output is correct
73 Correct 8 ms 35160 KB Output is correct
74 Correct 8 ms 35420 KB Output is correct
75 Correct 9 ms 35164 KB Output is correct
76 Correct 8 ms 35420 KB Output is correct
77 Correct 9 ms 35164 KB Output is correct
78 Correct 6 ms 35164 KB Output is correct
79 Correct 35 ms 39568 KB Output is correct
80 Correct 32 ms 39516 KB Output is correct
81 Correct 66 ms 39508 KB Output is correct
82 Correct 79 ms 39540 KB Output is correct
83 Correct 82 ms 39564 KB Output is correct
84 Correct 35 ms 39508 KB Output is correct
85 Correct 32 ms 39548 KB Output is correct
86 Correct 109 ms 39568 KB Output is correct
87 Correct 29 ms 39504 KB Output is correct
88 Correct 49 ms 39564 KB Output is correct
89 Correct 59 ms 39516 KB Output is correct
90 Correct 53 ms 39516 KB Output is correct
91 Correct 68 ms 39564 KB Output is correct
92 Correct 59 ms 39564 KB Output is correct
93 Correct 94 ms 39504 KB Output is correct
94 Correct 65 ms 39512 KB Output is correct
95 Correct 50 ms 39768 KB Output is correct
96 Correct 94 ms 39564 KB Output is correct
97 Correct 120 ms 39556 KB Output is correct
98 Correct 98 ms 39508 KB Output is correct
99 Correct 5 ms 35164 KB Output is correct
100 Correct 6 ms 35420 KB Output is correct
101 Correct 6 ms 35420 KB Output is correct
102 Correct 6 ms 35420 KB Output is correct
103 Correct 6 ms 35420 KB Output is correct
104 Correct 6 ms 35164 KB Output is correct
105 Correct 6 ms 35164 KB Output is correct
106 Correct 6 ms 35420 KB Output is correct
107 Correct 6 ms 35164 KB Output is correct
108 Correct 6 ms 35324 KB Output is correct
109 Correct 6 ms 35420 KB Output is correct
110 Correct 6 ms 35164 KB Output is correct
111 Correct 185 ms 46316 KB Output is correct
112 Correct 150 ms 46036 KB Output is correct
113 Correct 212 ms 45956 KB Output is correct
114 Correct 207 ms 45848 KB Output is correct
115 Correct 196 ms 43752 KB Output is correct
116 Correct 737 ms 46160 KB Output is correct
117 Correct 216 ms 45904 KB Output is correct
118 Correct 7 ms 35420 KB Output is correct
119 Correct 7 ms 35420 KB Output is correct
120 Correct 8 ms 35420 KB Output is correct
121 Correct 8 ms 35164 KB Output is correct
122 Correct 8 ms 35420 KB Output is correct
123 Correct 8 ms 35328 KB Output is correct
124 Correct 8 ms 35416 KB Output is correct
125 Correct 7 ms 35164 KB Output is correct
126 Correct 8 ms 35296 KB Output is correct
127 Correct 7 ms 35160 KB Output is correct
128 Correct 7 ms 35416 KB Output is correct
129 Correct 8 ms 35164 KB Output is correct
130 Correct 9 ms 35380 KB Output is correct
131 Correct 6 ms 35164 KB Output is correct
132 Correct 35 ms 39524 KB Output is correct
133 Correct 32 ms 39516 KB Output is correct
134 Correct 67 ms 39508 KB Output is correct
135 Correct 81 ms 39572 KB Output is correct
136 Correct 81 ms 39504 KB Output is correct
137 Correct 35 ms 39516 KB Output is correct
138 Correct 32 ms 39396 KB Output is correct
139 Correct 113 ms 39520 KB Output is correct
140 Correct 33 ms 39420 KB Output is correct
141 Correct 44 ms 39428 KB Output is correct
142 Correct 66 ms 39672 KB Output is correct
143 Correct 55 ms 39544 KB Output is correct
144 Correct 71 ms 39572 KB Output is correct
145 Correct 69 ms 39768 KB Output is correct
146 Correct 90 ms 39524 KB Output is correct
147 Correct 66 ms 39564 KB Output is correct
148 Correct 50 ms 39484 KB Output is correct
149 Correct 95 ms 39516 KB Output is correct
150 Correct 114 ms 39508 KB Output is correct
151 Correct 96 ms 39428 KB Output is correct
152 Runtime error 80 ms 13908 KB Execution killed with signal 11
153 Halted 0 ms 0 KB -