oj.uz

Submission #564024

# Submission time Handle Problem Language Result Execution time Memory
564024 2022-05-18T12:51:55 Z SeDunion Snake Escaping (JOI18_snake_escaping) C++17
100 / 100
 1268 ms 19052 KB 
#include <iostream>
#include <cassert>
#include <algorithm>
#include <string>
#include <bitset> 
#include <vector>
#include <cmath>
#include <deque>
#include <queue>
#include <stack>
#include <map>
#include <set>
#ifndef LOCAL
	#include <bits/stdc++.h>
	#define cerr if(false)cerr
#endif
 
using namespace std;
using ll = long long;

const int N = 2e6 + 66;

int up[N];
int dw[N];
vector<int>pos;
string vals, qs;
int L;



int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int q;
	cin >> L >> q;
	cin >> vals;
	for (int i = 0 ; i < (1 << L) ; ++ i) {
		up[i] = dw[i] = vals[i] - '0';
	}
	for (int i = 0 ; i < L ; ++ i) {
		for (int m = 0 ; m < (1 << L) ; ++ m) {
			if (m >> i & 1) {
				dw[m] += dw[m ^ (1 << i)];
			}
		}
	}
	for (int i = 0 ; i < L ; ++ i) {
		for (int m = (1 << L) - 1 ; m >= 0 ; -- m) {
			if (m >> i & 1) {
				up[m ^ (1 << i)] += up[m];
			}
		}
	}
	for (int m = 0 ; m < (1 << L) ; ++ m) {
		cerr << bitset<3>(m) << " " << dw[m] << endl;
	}
	while (q--) {
		int ans = 0;
		cin >> qs;
		reverse(qs.begin(), qs.end());
		int a = count(qs.begin(), qs.end(), '0');
		int c = count(qs.begin(), qs.end(), '?');
		if (c <= 6) {
			pos.clear();
			for (int i = 0 ; i < L ; ++ i) {
				if (qs[i] == '?') {
					pos.emplace_back(i);
				}
			}
			int n = pos.size();
			int base = 0;
			for (int i = 0 ; i < L ; ++ i) {
				if (qs[i] == '1') {
					base |= 1 << i;
				}
			}
			for (int m = 0 ; m < (1 << n) ; ++ m) {
				int mask = base;
				for (int i = 0 ; i < n ; ++ i) {
					if (m >> i & 1) mask |= 1 << pos[i];
				}
				ans += vals[mask] - '0';
			}
		} else if (a <= 6) {
			pos.clear();
			for (int i = 0 ; i < L ; ++ i) {
				if (qs[i] == '0') {
					pos.emplace_back(i);
				}
			}
			int n = pos.size();
			int base = 0;
			for (int i = 0 ; i < L ; ++ i) {
				if (qs[i] == '1') {
					base |= 1 << i;
				}
			}
			for (int m = 0 ; m < (1 << n) ; ++ m) {
				int mask = base;
				for (int i = 0 ; i < n ; ++ i) {
					if (m >> i & 1) mask |= 1 << pos[i];
				}
				int par = __builtin_popcount(m) & 1;
				int cur = up[mask] * (par ? -1 : 1);
				ans += cur;
			}
		} else {
			pos.clear();
			for (int i = 0 ; i < L ; ++ i) {
				if (qs[i] == '1') {
					pos.emplace_back(i);
				}
			}
			int n = pos.size();
			int base = 0;
			for (int i = 0 ; i < L ; ++ i) {
				if (qs[i] == '?') {
					base |= 1 << i;
				}
			}
			for (int m = 0 ; m < (1 << n) ; ++ m) {
				int mask = base;
				for (int i = 0 ; i < n ; ++ i) {
					if (m >> i & 1) mask |= 1 << pos[i];
				}
				int par = __builtin_popcount(((1 << n) - 1) ^ m) & 1;
				int cur = dw[mask] * (par ? -1 : 1);
				ans += cur;
			}
		}
		cout << ans << "\n";
	}
}

Subtask #1
5.0 / 5.0

# 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 344 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 360 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #2
7.0 / 7.0

# 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 344 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 360 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 473 ms 4684 KB Output is correct
12 Correct 545 ms 4376 KB Output is correct
13 Correct 285 ms 3700 KB Output is correct
14 Correct 273 ms 3644 KB Output is correct
15 Correct 981 ms 6024 KB Output is correct
16 Correct 414 ms 4248 KB Output is correct
17 Correct 415 ms 4268 KB Output is correct
18 Correct 177 ms 6020 KB Output is correct
19 Correct 204 ms 3100 KB Output is correct
20 Correct 571 ms 4812 KB Output is correct

Subtask #3
10.0 / 10.0

# 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 344 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 360 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 473 ms 4684 KB Output is correct
12 Correct 545 ms 4376 KB Output is correct
13 Correct 285 ms 3700 KB Output is correct
14 Correct 273 ms 3644 KB Output is correct
15 Correct 981 ms 6024 KB Output is correct
16 Correct 414 ms 4248 KB Output is correct
17 Correct 415 ms 4268 KB Output is correct
18 Correct 177 ms 6020 KB Output is correct
19 Correct 204 ms 3100 KB Output is correct
20 Correct 571 ms 4812 KB Output is correct
21 Correct 236 ms 5260 KB Output is correct
22 Correct 816 ms 5424 KB Output is correct
23 Correct 441 ms 4276 KB Output is correct
24 Correct 372 ms 4172 KB Output is correct
25 Correct 326 ms 6164 KB Output is correct
26 Correct 599 ms 4616 KB Output is correct
27 Correct 561 ms 4532 KB Output is correct
28 Correct 212 ms 7100 KB Output is correct
29 Correct 228 ms 3076 KB Output is correct
30 Correct 536 ms 5332 KB Output is correct
31 Correct 1037 ms 5356 KB Output is correct
32 Correct 518 ms 5176 KB Output is correct
33 Correct 319 ms 3968 KB Output is correct
34 Correct 371 ms 4144 KB Output is correct
35 Correct 584 ms 4568 KB Output is correct
36 Correct 187 ms 3180 KB Output is correct
37 Correct 989 ms 5196 KB Output is correct
38 Correct 238 ms 3296 KB Output is correct
39 Correct 455 ms 4260 KB Output is correct
40 Correct 359 ms 4116 KB Output is correct

Subtask #4
53.0 / 53.0

# 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 344 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 360 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 69 ms 10716 KB Output is correct
12 Correct 70 ms 10312 KB Output is correct
13 Correct 78 ms 11916 KB Output is correct
14 Correct 100 ms 11876 KB Output is correct
15 Correct 69 ms 12020 KB Output is correct
16 Correct 99 ms 11848 KB Output is correct
17 Correct 97 ms 11860 KB Output is correct
18 Correct 57 ms 12108 KB Output is correct
19 Correct 58 ms 11744 KB Output is correct
20 Correct 67 ms 11884 KB Output is correct
21 Correct 83 ms 11872 KB Output is correct
22 Correct 116 ms 11852 KB Output is correct
23 Correct 74 ms 11888 KB Output is correct
24 Correct 101 ms 11824 KB Output is correct
25 Correct 98 ms 11852 KB Output is correct
26 Correct 54 ms 11724 KB Output is correct
27 Correct 61 ms 11916 KB Output is correct
28 Correct 59 ms 11724 KB Output is correct
29 Correct 81 ms 11888 KB Output is correct
30 Correct 101 ms 11936 KB Output is correct
31 Correct 70 ms 11852 KB Output is correct
32 Correct 110 ms 11928 KB Output is correct
33 Correct 95 ms 11936 KB Output is correct
34 Correct 54 ms 11724 KB Output is correct
35 Correct 95 ms 11960 KB Output is correct
36 Correct 88 ms 11852 KB Output is correct
37 Correct 83 ms 11864 KB Output is correct
38 Correct 97 ms 11856 KB Output is correct
39 Correct 89 ms 11976 KB Output is correct
40 Correct 92 ms 11980 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 344 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 360 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 473 ms 4684 KB Output is correct
12 Correct 545 ms 4376 KB Output is correct
13 Correct 285 ms 3700 KB Output is correct
14 Correct 273 ms 3644 KB Output is correct
15 Correct 981 ms 6024 KB Output is correct
16 Correct 414 ms 4248 KB Output is correct
17 Correct 415 ms 4268 KB Output is correct
18 Correct 177 ms 6020 KB Output is correct
19 Correct 204 ms 3100 KB Output is correct
20 Correct 571 ms 4812 KB Output is correct
21 Correct 236 ms 5260 KB Output is correct
22 Correct 816 ms 5424 KB Output is correct
23 Correct 441 ms 4276 KB Output is correct
24 Correct 372 ms 4172 KB Output is correct
25 Correct 326 ms 6164 KB Output is correct
26 Correct 599 ms 4616 KB Output is correct
27 Correct 561 ms 4532 KB Output is correct
28 Correct 212 ms 7100 KB Output is correct
29 Correct 228 ms 3076 KB Output is correct
30 Correct 536 ms 5332 KB Output is correct
31 Correct 1037 ms 5356 KB Output is correct
32 Correct 518 ms 5176 KB Output is correct
33 Correct 319 ms 3968 KB Output is correct
34 Correct 371 ms 4144 KB Output is correct
35 Correct 584 ms 4568 KB Output is correct
36 Correct 187 ms 3180 KB Output is correct
37 Correct 989 ms 5196 KB Output is correct
38 Correct 238 ms 3296 KB Output is correct
39 Correct 455 ms 4260 KB Output is correct
40 Correct 359 ms 4116 KB Output is correct
41 Correct 69 ms 10716 KB Output is correct
42 Correct 70 ms 10312 KB Output is correct
43 Correct 78 ms 11916 KB Output is correct
44 Correct 100 ms 11876 KB Output is correct
45 Correct 69 ms 12020 KB Output is correct
46 Correct 99 ms 11848 KB Output is correct
47 Correct 97 ms 11860 KB Output is correct
48 Correct 57 ms 12108 KB Output is correct
49 Correct 58 ms 11744 KB Output is correct
50 Correct 67 ms 11884 KB Output is correct
51 Correct 83 ms 11872 KB Output is correct
52 Correct 116 ms 11852 KB Output is correct
53 Correct 74 ms 11888 KB Output is correct
54 Correct 101 ms 11824 KB Output is correct
55 Correct 98 ms 11852 KB Output is correct
56 Correct 54 ms 11724 KB Output is correct
57 Correct 61 ms 11916 KB Output is correct
58 Correct 59 ms 11724 KB Output is correct
59 Correct 81 ms 11888 KB Output is correct
60 Correct 101 ms 11936 KB Output is correct
61 Correct 70 ms 11852 KB Output is correct
62 Correct 110 ms 11928 KB Output is correct
63 Correct 95 ms 11936 KB Output is correct
64 Correct 54 ms 11724 KB Output is correct
65 Correct 95 ms 11960 KB Output is correct
66 Correct 88 ms 11852 KB Output is correct
67 Correct 83 ms 11864 KB Output is correct
68 Correct 97 ms 11856 KB Output is correct
69 Correct 89 ms 11976 KB Output is correct
70 Correct 92 ms 11980 KB Output is correct
71 Correct 367 ms 16080 KB Output is correct
72 Correct 505 ms 16152 KB Output is correct
73 Correct 749 ms 14800 KB Output is correct
74 Correct 1176 ms 15304 KB Output is correct
75 Correct 559 ms 17200 KB Output is correct
76 Correct 1200 ms 15276 KB Output is correct
77 Correct 1133 ms 15300 KB Output is correct
78 Correct 296 ms 19052 KB Output is correct
79 Correct 354 ms 13036 KB Output is correct
80 Correct 484 ms 16188 KB Output is correct
81 Correct 791 ms 16088 KB Output is correct
82 Correct 1264 ms 14956 KB Output is correct
83 Correct 546 ms 14352 KB Output is correct
84 Correct 1179 ms 15252 KB Output is correct
85 Correct 1068 ms 15296 KB Output is correct
86 Correct 274 ms 12940 KB Output is correct
87 Correct 375 ms 16036 KB Output is correct
88 Correct 356 ms 13032 KB Output is correct
89 Correct 766 ms 14828 KB Output is correct
90 Correct 1168 ms 15224 KB Output is correct
91 Correct 520 ms 14208 KB Output is correct
92 Correct 1268 ms 15464 KB Output is correct
93 Correct 1054 ms 15316 KB Output is correct
94 Correct 293 ms 12940 KB Output is correct
95 Correct 938 ms 15076 KB Output is correct
96 Correct 853 ms 15000 KB Output is correct
97 Correct 870 ms 14724 KB Output is correct
98 Correct 871 ms 14624 KB Output is correct
99 Correct 874 ms 14448 KB Output is correct
100 Correct 871 ms 14352 KB Output is correct