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답안 #476489

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
476489 2021-09-27T10:56:34 Z keta_tsimakuridze Snake Escaping (JOI18_snake_escaping) C++14
22 / 100
 582 ms 65540 KB 
#include<bits/stdc++.h>
#define f first
#define s second
////#define int long long
#define pii pair<int,int>
using namespace std;
const int N = 2e6 + 5, mod = 1e9 + 7; // !
int t,dp1[N][22],dp2[N][22],L,q;
vector<int> cnt[4];
main(){
			ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
            cin >> L >> q;
            string s;
            cin >> s;
            for(int i = 0; i < (1 << L); i++) { 
                        dp1[i][0] = s[i] - '0';
                        for(int j = 0; j < L; j++) {
                                    if(j) dp1[i][j] = dp1[i][j - 1];
                                    if((1 << j) & i) dp1[i][j] += dp1[i ^ (1 << j)][j];
                        }
            }
            for(int i = (1 << L) - 1; i >= 0; i--) {
                        dp2[i][0] = s[i] - '0';
                        for(int j = 0; j < L; j++) {
                                    if(j) dp2[i][j] = dp2[i][j - 1];
                                    if(!((1 << j) & i)) dp2[i][j] += dp2[i ^ (1 << j)][j];
                        }
            }
            while(q--) {
                        string t;
                        cin >> t;
                        int x = 0;
                        reverse(t.begin(),t.end());
                        int c = 0, a = 0, b = 0;
                        for(int i = 0; i < 3; i++) cnt[i].clear();
                        for(int i = 0; i < t.size(); i++) {
                                    if(t[i] == '0') cnt[0].push_back(i), a += 1 << i;
                                    else if(t[i] == '1') cnt[1].push_back(i),b += 1 << i;
                                    else cnt[2].push_back(i),c += 1 << i;
                        }
                        int ans = 0;
                        if(cnt[2].size() < 7) {
                        		
                                    for(int i = c;; i = (i - 1) & c) {
                                                ans += s[i | b] - '0';
                                                if(!i) break;
                                    }
                        }
                        else if(cnt[1].size() < 7) {	
                                    int p = __builtin_popcount(b) % 2;
                                    for(int i = b;; i = (i - 1) & b) {
                                            ans += (__builtin_popcount(i) % 2 == p ? 1 : -1)
                                                    * dp1[i | c][L - 1];
                                            if(!i) break;
                                                    
                                    }
                        }
                        else {

                                    for(int i = a;; i = (i - 1) & a) {
                                            ans += (__builtin_popcount(i) % 2 == 0 ? 1 : -1)
                                                       * dp2[i | b][L - 1];
                                            if(!i) break;    
                                    }
                        }
                        cout << ans << "\n";
            }
 }

Compilation message

snake_escaping.cpp:10:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   10 | main(){
      | ^~~~
snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:36:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |                         for(int i = 0; i < t.size(); i++) {
      |                                        ~~^~~~~~~~~~
snake_escaping.cpp:32:29: warning: unused variable 'x' [-Wunused-variable]
   32 |                         int x = 0;
      |                             ^

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 281 ms 4572 KB Output is correct
12 Correct 304 ms 4164 KB Output is correct
13 Correct 287 ms 14184 KB Output is correct
14 Correct 283 ms 14276 KB Output is correct
15 Correct 355 ms 15340 KB Output is correct
16 Correct 307 ms 14360 KB Output is correct
17 Correct 323 ms 14404 KB Output is correct
18 Correct 215 ms 16260 KB Output is correct
19 Correct 254 ms 13372 KB Output is correct
20 Correct 310 ms 14916 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 281 ms 4572 KB Output is correct
12 Correct 304 ms 4164 KB Output is correct
13 Correct 287 ms 14184 KB Output is correct
14 Correct 283 ms 14276 KB Output is correct
15 Correct 355 ms 15340 KB Output is correct
16 Correct 307 ms 14360 KB Output is correct
17 Correct 323 ms 14404 KB Output is correct
18 Correct 215 ms 16260 KB Output is correct
19 Correct 254 ms 13372 KB Output is correct
20 Correct 310 ms 14916 KB Output is correct
21 Correct 582 ms 19388 KB Output is correct
22 Correct 356 ms 19564 KB Output is correct
23 Correct 364 ms 18648 KB Output is correct
24 Correct 354 ms 18452 KB Output is correct
25 Correct 345 ms 20368 KB Output is correct
26 Correct 368 ms 18956 KB Output is correct
27 Correct 377 ms 18872 KB Output is correct
28 Correct 238 ms 21444 KB Output is correct
29 Correct 282 ms 17468 KB Output is correct
30 Correct 427 ms 19520 KB Output is correct
31 Correct 423 ms 19388 KB Output is correct
32 Correct 368 ms 19468 KB Output is correct
33 Correct 306 ms 18280 KB Output is correct
34 Correct 377 ms 18420 KB Output is correct
35 Correct 383 ms 18864 KB Output is correct
36 Correct 217 ms 17492 KB Output is correct
37 Correct 408 ms 19388 KB Output is correct
38 Correct 301 ms 17380 KB Output is correct
39 Correct 354 ms 18648 KB Output is correct
40 Correct 346 ms 18372 KB Output is correct

Subtask #4
0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Runtime error 88 ms 65540 KB Execution killed with signal 9
12 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 281 ms 4572 KB Output is correct
12 Correct 304 ms 4164 KB Output is correct
13 Correct 287 ms 14184 KB Output is correct
14 Correct 283 ms 14276 KB Output is correct
15 Correct 355 ms 15340 KB Output is correct
16 Correct 307 ms 14360 KB Output is correct
17 Correct 323 ms 14404 KB Output is correct
18 Correct 215 ms 16260 KB Output is correct
19 Correct 254 ms 13372 KB Output is correct
20 Correct 310 ms 14916 KB Output is correct
21 Correct 582 ms 19388 KB Output is correct
22 Correct 356 ms 19564 KB Output is correct
23 Correct 364 ms 18648 KB Output is correct
24 Correct 354 ms 18452 KB Output is correct
25 Correct 345 ms 20368 KB Output is correct
26 Correct 368 ms 18956 KB Output is correct
27 Correct 377 ms 18872 KB Output is correct
28 Correct 238 ms 21444 KB Output is correct
29 Correct 282 ms 17468 KB Output is correct
30 Correct 427 ms 19520 KB Output is correct
31 Correct 423 ms 19388 KB Output is correct
32 Correct 368 ms 19468 KB Output is correct
33 Correct 306 ms 18280 KB Output is correct
34 Correct 377 ms 18420 KB Output is correct
35 Correct 383 ms 18864 KB Output is correct
36 Correct 217 ms 17492 KB Output is correct
37 Correct 408 ms 19388 KB Output is correct
38 Correct 301 ms 17380 KB Output is correct
39 Correct 354 ms 18648 KB Output is correct
40 Correct 346 ms 18372 KB Output is correct
41 Runtime error 88 ms 65540 KB Execution killed with signal 9
42 Halted 0 ms 0 KB -