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Submission #1069206

# Submission time Handle Problem Language Result Execution time Memory
1069206 2024-08-21T17:25:57 Z bachhoangxuan L-triominoes (CEOI21_ltriominoes) C++17
100 / 100
 642 ms 6668 KB 
#include<bits/stdc++.h>
using namespace std;
const int maxk = 255;
int n,m,k,x[maxk],y[maxk];
bitset<1<<13> f,g;
vector<pair<int,int>> E;

void build(){
    for(int S=0;S<(1<<n);S++){
        function<void(int,int)> dfs = [&](int i,int T){
            if(i==n){
                E.push_back({S,T});
                return;
            }
            if(S>>i&1){
                dfs(i+1,T);
                return;
            }
            if(i<n-1 && !(S>>(i+1)&1)){
                if(!(T>>i&1)) dfs(i+2,T^(1<<i));
                if(!(T>>(i+1)&1)) dfs(i+2,T^(1<<(i+1)));
            }
            if(i && !(T>>i&1) && !(T>>(i-1)&1)) dfs(i+1,T^(3<<(i-1)));
            if(i<n-1 && !(T>>i&1) && !(T>>(i+1)&1)) dfs(i+1,T^(3<<i));
        };
        dfs(0,0);
    }
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    cin >> n >> m >> k;
    build();
    vector<int> pos={1,m};
    for(int i=1;i<=k;i++){
        cin >> x[i] >> y[i];
        pos.push_back(y[i]);
    }
    sort(pos.begin(),pos.end());
    pos.erase(unique(pos.begin(),pos.end()),pos.end());
    f[0]=1;
    for(int i=0;i<(int)pos.size();i++){
        int S=0;
        for(int j=1;j<=k;j++) if(y[j]==pos[i]) S|=1<<(x[j]-1);
        g.reset();
        for(int j=0;j<(1<<n);j++) if(!(j&S)) g[j|S]=f[j];
        swap(f,g);

        if(i==(int)pos.size()-1){
            cout << (f[(1<<n)-1]?"YES":"NO") << '\n';
            return 0;
        }
        int d=pos[i+1]-pos[i];
        d=min(d,d%6+6);
        while(d--){
            g.reset();
            for(auto [x,y]:E) if(f[x]) g[y]=1;
            swap(f,g);
        }
    }
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 388 KB Output is correct
8 Correct 5 ms 1500 KB Output is correct
9 Correct 3 ms 992 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 5 ms 1500 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 6 ms 1616 KB Output is correct
16 Correct 225 ms 6668 KB Output is correct
17 Correct 7 ms 600 KB Output is correct
18 Correct 106 ms 1512 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 167 ms 4884 KB Output is correct
21 Correct 80 ms 1496 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 88 ms 6100 KB Output is correct
26 Correct 100 ms 6104 KB Output is correct
27 Correct 1 ms 344 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 464 KB Output is correct
5 Correct 4 ms 1500 KB Output is correct
6 Correct 2 ms 992 KB Output is correct
7 Correct 1 ms 616 KB Output is correct
8 Correct 0 ms 456 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 16 ms 4820 KB Output is correct
19 Correct 10 ms 6356 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 352 KB Output is correct
22 Correct 0 ms 352 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 352 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 468 KB Output is correct
44 Correct 1 ms 352 KB Output is correct
45 Correct 1 ms 352 KB Output is correct
46 Correct 1 ms 352 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 344 KB Output is correct
49 Correct 1 ms 352 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Correct 1 ms 356 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 352 KB Output is correct
5 Correct 0 ms 356 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 356 KB Output is correct
8 Correct 0 ms 356 KB Output is correct
9 Correct 0 ms 356 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 356 KB Output is correct
12 Correct 1 ms 360 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 428 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 600 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 460 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 612 KB Output is correct
4 Correct 112 ms 1644 KB Output is correct
5 Correct 40 ms 988 KB Output is correct
6 Correct 43 ms 988 KB Output is correct
7 Correct 13 ms 600 KB Output is correct
8 Correct 14 ms 700 KB Output is correct
9 Correct 5 ms 604 KB Output is correct
10 Correct 6 ms 688 KB Output is correct
11 Correct 4 ms 1496 KB Output is correct
12 Correct 3 ms 992 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 7 ms 1496 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 8 ms 604 KB Output is correct
18 Correct 7 ms 500 KB Output is correct
19 Correct 8 ms 572 KB Output is correct
20 Correct 163 ms 1500 KB Output is correct
21 Correct 56 ms 988 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 11 ms 572 KB Output is correct
24 Correct 542 ms 4564 KB Output is correct
25 Correct 209 ms 1496 KB Output is correct
26 Correct 559 ms 4564 KB Output is correct
27 Correct 642 ms 5328 KB Output is correct
28 Correct 256 ms 4820 KB Output is correct
29 Correct 304 ms 5076 KB Output is correct
30 Correct 317 ms 6608 KB Output is correct
31 Correct 329 ms 6096 KB Output is correct
32 Correct 195 ms 4820 KB Output is correct
33 Correct 101 ms 1500 KB Output is correct
34 Correct 364 ms 5076 KB Output is correct
35 Correct 530 ms 5108 KB Output is correct
36 Correct 629 ms 6100 KB Output is correct
37 Correct 50 ms 1500 KB Output is correct
38 Correct 106 ms 1500 KB Output is correct
39 Correct 57 ms 988 KB Output is correct
40 Correct 448 ms 5076 KB Output is correct
41 Correct 70 ms 992 KB Output is correct
42 Correct 389 ms 5332 KB Output is correct
43 Correct 423 ms 4564 KB Output is correct
44 Correct 383 ms 5072 KB Output is correct
45 Correct 436 ms 5328 KB Output is correct
46 Correct 111 ms 1500 KB Output is correct
47 Correct 633 ms 4560 KB Output is correct
48 Correct 507 ms 6352 KB Output is correct
49 Correct 170 ms 4984 KB Output is correct
50 Correct 41 ms 992 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 388 KB Output is correct
8 Correct 5 ms 1500 KB Output is correct
9 Correct 3 ms 992 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 5 ms 1500 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 6 ms 1616 KB Output is correct
16 Correct 225 ms 6668 KB Output is correct
17 Correct 7 ms 600 KB Output is correct
18 Correct 106 ms 1512 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 167 ms 4884 KB Output is correct
21 Correct 80 ms 1496 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 88 ms 6100 KB Output is correct
26 Correct 100 ms 6104 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 464 KB Output is correct
32 Correct 4 ms 1500 KB Output is correct
33 Correct 2 ms 992 KB Output is correct
34 Correct 1 ms 616 KB Output is correct
35 Correct 0 ms 456 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 16 ms 4820 KB Output is correct
46 Correct 10 ms 6356 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 344 KB Output is correct
52 Correct 1 ms 344 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 0 ms 348 KB Output is correct
68 Correct 1 ms 348 KB Output is correct
69 Correct 0 ms 348 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 1 ms 344 KB Output is correct
72 Correct 0 ms 352 KB Output is correct
73 Correct 0 ms 352 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 0 ms 344 KB Output is correct
77 Correct 1 ms 344 KB Output is correct
78 Correct 0 ms 348 KB Output is correct
79 Correct 0 ms 348 KB Output is correct
80 Correct 1 ms 344 KB Output is correct
81 Correct 1 ms 344 KB Output is correct
82 Correct 1 ms 348 KB Output is correct
83 Correct 0 ms 348 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 1 ms 348 KB Output is correct
86 Correct 1 ms 348 KB Output is correct
87 Correct 0 ms 348 KB Output is correct
88 Correct 1 ms 348 KB Output is correct
89 Correct 1 ms 348 KB Output is correct
90 Correct 1 ms 352 KB Output is correct
91 Correct 1 ms 348 KB Output is correct
92 Correct 1 ms 348 KB Output is correct
93 Correct 1 ms 348 KB Output is correct
94 Correct 1 ms 468 KB Output is correct
95 Correct 1 ms 352 KB Output is correct
96 Correct 1 ms 352 KB Output is correct
97 Correct 1 ms 352 KB Output is correct
98 Correct 1 ms 348 KB Output is correct
99 Correct 1 ms 344 KB Output is correct
100 Correct 1 ms 352 KB Output is correct
101 Correct 1 ms 352 KB Output is correct
102 Correct 1 ms 356 KB Output is correct
103 Correct 1 ms 348 KB Output is correct
104 Correct 0 ms 352 KB Output is correct
105 Correct 0 ms 356 KB Output is correct
106 Correct 1 ms 348 KB Output is correct
107 Correct 0 ms 356 KB Output is correct
108 Correct 0 ms 356 KB Output is correct
109 Correct 0 ms 356 KB Output is correct
110 Correct 1 ms 348 KB Output is correct
111 Correct 1 ms 356 KB Output is correct
112 Correct 1 ms 360 KB Output is correct
113 Correct 1 ms 348 KB Output is correct
114 Correct 1 ms 348 KB Output is correct
115 Correct 1 ms 348 KB Output is correct
116 Correct 1 ms 348 KB Output is correct
117 Correct 1 ms 348 KB Output is correct
118 Correct 1 ms 348 KB Output is correct
119 Correct 1 ms 348 KB Output is correct
120 Correct 1 ms 344 KB Output is correct
121 Correct 1 ms 348 KB Output is correct
122 Correct 1 ms 348 KB Output is correct
123 Correct 1 ms 428 KB Output is correct
124 Correct 1 ms 348 KB Output is correct
125 Correct 1 ms 348 KB Output is correct
126 Correct 1 ms 348 KB Output is correct
127 Correct 1 ms 460 KB Output is correct
128 Correct 1 ms 348 KB Output is correct
129 Correct 1 ms 348 KB Output is correct
130 Correct 1 ms 348 KB Output is correct
131 Correct 1 ms 348 KB Output is correct
132 Correct 1 ms 348 KB Output is correct
133 Correct 1 ms 600 KB Output is correct
134 Correct 1 ms 348 KB Output is correct
135 Correct 1 ms 348 KB Output is correct
136 Correct 1 ms 348 KB Output is correct
137 Correct 1 ms 460 KB Output is correct
138 Correct 1 ms 348 KB Output is correct
139 Correct 1 ms 348 KB Output is correct
140 Correct 1 ms 612 KB Output is correct
141 Correct 112 ms 1644 KB Output is correct
142 Correct 40 ms 988 KB Output is correct
143 Correct 43 ms 988 KB Output is correct
144 Correct 13 ms 600 KB Output is correct
145 Correct 14 ms 700 KB Output is correct
146 Correct 5 ms 604 KB Output is correct
147 Correct 6 ms 688 KB Output is correct
148 Correct 4 ms 1496 KB Output is correct
149 Correct 3 ms 992 KB Output is correct
150 Correct 1 ms 348 KB Output is correct
151 Correct 7 ms 1496 KB Output is correct
152 Correct 2 ms 348 KB Output is correct
153 Correct 1 ms 348 KB Output is correct
154 Correct 8 ms 604 KB Output is correct
155 Correct 7 ms 500 KB Output is correct
156 Correct 8 ms 572 KB Output is correct
157 Correct 163 ms 1500 KB Output is correct
158 Correct 56 ms 988 KB Output is correct
159 Correct 2 ms 344 KB Output is correct
160 Correct 11 ms 572 KB Output is correct
161 Correct 542 ms 4564 KB Output is correct
162 Correct 209 ms 1496 KB Output is correct
163 Correct 559 ms 4564 KB Output is correct
164 Correct 642 ms 5328 KB Output is correct
165 Correct 256 ms 4820 KB Output is correct
166 Correct 304 ms 5076 KB Output is correct
167 Correct 317 ms 6608 KB Output is correct
168 Correct 329 ms 6096 KB Output is correct
169 Correct 195 ms 4820 KB Output is correct
170 Correct 101 ms 1500 KB Output is correct
171 Correct 364 ms 5076 KB Output is correct
172 Correct 530 ms 5108 KB Output is correct
173 Correct 629 ms 6100 KB Output is correct
174 Correct 50 ms 1500 KB Output is correct
175 Correct 106 ms 1500 KB Output is correct
176 Correct 57 ms 988 KB Output is correct
177 Correct 448 ms 5076 KB Output is correct
178 Correct 70 ms 992 KB Output is correct
179 Correct 389 ms 5332 KB Output is correct
180 Correct 423 ms 4564 KB Output is correct
181 Correct 383 ms 5072 KB Output is correct
182 Correct 436 ms 5328 KB Output is correct
183 Correct 111 ms 1500 KB Output is correct
184 Correct 633 ms 4560 KB Output is correct
185 Correct 507 ms 6352 KB Output is correct
186 Correct 170 ms 4984 KB Output is correct
187 Correct 41 ms 992 KB Output is correct
188 Correct 384 ms 4820 KB Output is correct
189 Correct 1 ms 348 KB Output is correct
190 Correct 0 ms 456 KB Output is correct
191 Correct 0 ms 348 KB Output is correct
192 Correct 1 ms 344 KB Output is correct
193 Correct 1 ms 348 KB Output is correct
194 Correct 1 ms 348 KB Output is correct
195 Correct 1 ms 348 KB Output is correct
196 Correct 0 ms 348 KB Output is correct
197 Correct 0 ms 348 KB Output is correct
198 Correct 0 ms 456 KB Output is correct
199 Correct 42 ms 992 KB Output is correct
200 Correct 1 ms 348 KB Output is correct
201 Correct 13 ms 604 KB Output is correct
202 Correct 5 ms 604 KB Output is correct
203 Correct 0 ms 348 KB Output is correct
204 Correct 1 ms 348 KB Output is correct
205 Correct 0 ms 348 KB Output is correct
206 Correct 0 ms 348 KB Output is correct
207 Correct 1 ms 348 KB Output is correct
208 Correct 331 ms 4564 KB Output is correct
209 Correct 358 ms 5332 KB Output is correct
210 Correct 2 ms 348 KB Output is correct
211 Correct 4 ms 348 KB Output is correct
212 Correct 141 ms 1500 KB Output is correct
213 Correct 1 ms 344 KB Output is correct
214 Correct 11 ms 348 KB Output is correct
215 Correct 1 ms 348 KB Output is correct
216 Correct 551 ms 5324 KB Output is correct
217 Correct 552 ms 5588 KB Output is correct
218 Correct 1 ms 600 KB Output is correct
219 Correct 1 ms 348 KB Output is correct
220 Correct 1 ms 348 KB Output is correct
221 Correct 1 ms 348 KB Output is correct
222 Correct 1 ms 348 KB Output is correct
223 Correct 1 ms 348 KB Output is correct
224 Correct 634 ms 4816 KB Output is correct
225 Correct 1 ms 344 KB Output is correct
226 Correct 1 ms 348 KB Output is correct
227 Correct 1 ms 460 KB Output is correct
228 Correct 344 ms 6356 KB Output is correct
229 Correct 316 ms 6100 KB Output is correct
230 Correct 261 ms 5028 KB Output is correct
231 Correct 361 ms 6356 KB Output is correct
232 Correct 1 ms 348 KB Output is correct
233 Correct 1 ms 604 KB Output is correct
234 Correct 591 ms 5332 KB Output is correct
235 Correct 1 ms 344 KB Output is correct
236 Correct 98 ms 1500 KB Output is correct
237 Correct 1 ms 344 KB Output is correct
238 Correct 1 ms 348 KB Output is correct
239 Correct 74 ms 992 KB Output is correct
240 Correct 416 ms 5844 KB Output is correct
241 Correct 1 ms 348 KB Output is correct
242 Correct 1 ms 348 KB Output is correct
243 Correct 1 ms 348 KB Output is correct
244 Correct 1 ms 348 KB Output is correct
245 Correct 6 ms 1500 KB Output is correct