#include<cstdio>
#include<algorithm>
using namespace std;
int K, n, m, A[1<<20], B[1<<20], C[20][1<<20], CA[1<<20], CB[1<<20], vis[1<<20];
char p[22], q[10] = "xo";
void Calc(int *a) {
int i, j;
for (i = 0; i < (1 << K); i++)C[0][i] = a[i];
for (i = 0; i < K; i++) {
for (j = 0; j < (1 << K); j++) {
if ((j >> i) & 1) {
C[i + 1][j] = C[i][j] + C[i][j ^ (1 << i)];
}
else C[i + 1][j] = C[i][j];
}
}
}
int main() {
int i, j;
scanf("%d%d", &K, &n);
for (i = 0; i < n; i++) {
scanf("%s", p);
int s = 0;
for (j = 0; j < K; j++) {
if (p[j] == 'o')s += (1 << j);
}
A[s]++;
}
scanf("%d", &m);
for (i = 0; i < m; i++) {
scanf("%s", p);
int s = 0;
for (j = 0; j < K; j++) {
if (p[j] == 'x')s += (1 << j);
}
B[s]++;
}
Calc(A);
for (i = 0; i < (1 << K); i++)CA[i] = C[K][i];
Calc(B);
for (i = 0; i < (1 << K); i++)CB[i] = C[K][i];
for (i = 1; i < (1 << K); i++) {
for (j = 0; j < K; j++) {
if (((i >> j) & 1) && CA[i] == CA[i ^ (1 << j)])break;
}
if (j == K) {
vis[m - CB[(1 << K) - 1 - i]] = 1;
}
}
for (i = 1; i <= m; i++)printf("%c", q[vis[i]]);
puts("");
return 0;
}
/*#include<cstdio>
#include<algorithm>
#include<vector>
#define N_ 303000
#define M_ 1010000
#define INF 99999999
using namespace std;
int n;
struct Edge {
int b, e, f;
};
class MaxFlow {
public:
Edge E[M_ * 2];
vector<int>G[N_];
int Level[N_], Q[N_], PV[N_], source, sink, n, flow, EC;
void init(int N, int S, int T) {
n = N, flow = EC = 0;
source = S, sink = T;
for (int i = 0; i <= N; i++)G[i].clear();
}
void Add_Edge(int a, int b, int f) {
G[a].push_back(EC);
G[b].push_back(EC + 1);
E[EC++] = { a,b,f};
E[EC++] = { b,a,0};
}
bool GetLevel() {
int i;
for (i = 1; i <= n; i++)Level[i] = -1;
int head = 0, tail = 0;
Q[++tail] = source, Level[source] = 0;
while (head < tail) {
int x = Q[++head];
for (auto &y : G[x]) {
if (E[y].f && Level[E[y].e] == -1) {
Q[++tail] = E[y].e;
Level[E[y].e] = Level[x] + 1;
}
}
}
return Level[sink] != -1;
}
int BlockFlow(int a, int f) {
if (a == sink)return f;
for (int &i = PV[a]; i >= 0; i--) {
int x = G[a][i];
if (E[x].f && Level[E[x].e] == Level[a] + 1) {
int t = BlockFlow(E[x].e, min(f, E[x].f));
if (t) {
E[x].f -= t;
E[x ^ 1].f += t;
return t;
}
}
}
return 0;
}
void Dinic() {
int t;
while (GetLevel()) {
for (int i = 1; i <= n; i++)PV[i] = G[i].size() - 1;
while (t = BlockFlow(source, INF)) flow += t;
}
}
}G1;
vector<int>E[N_];
int Col[N_];
void DFS(int a, int pp, int col) {
Col[a] = col;
for (auto &x : E[a]) {
if (x == pp)continue;
DFS(x, a, 3 - col);
}
}
int main() {
freopen("input.txt", "r", stdin);
int i, a, b;
scanf("%d", &n);
G1.init(n + 2, n + 1, n + 2);
for (i = 1; i < n; i++) {
scanf("%d%d", &a, &b);
E[a].push_back(b);
E[b].push_back(a);
}
DFS(1, 0, 1);
for (i = 1; i <= n; i++) {
for (auto &x : E[i]) {
if (Col[i] == 1) G1.Add_Edge(i, x, 1);
}
if (Col[i] == 1)G1.Add_Edge(G1.source, i, n - 1 - E[i].size());
else G1.Add_Edge(i, G1.sink, n - 1 - E[i].size());
}
G1.Dinic();
printf("%d\n", G1.flow);
for (i = 1; i <= n; i++) {
if (Col[i] == 1) {
for (auto &x : G1.G[i]) {
Edge tp = G1.E[x];
if (tp.e >= 1 && tp.e <= n && !tp.f) {
}
}
}
}
}*/
Compilation message
judge.cpp: In function 'int main()':
judge.cpp:20:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &K, &n);
~~~~~^~~~~~~~~~~~~~~~
judge.cpp:22:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%s", p);
~~~~~^~~~~~~~~
judge.cpp:29:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &m);
~~~~~^~~~~~~~~~
judge.cpp:31:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%s", p);
~~~~~^~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
484 KB |
Output is correct |
3 |
Correct |
3 ms |
560 KB |
Output is correct |
4 |
Correct |
6 ms |
2868 KB |
Output is correct |
5 |
Correct |
6 ms |
2992 KB |
Output is correct |
6 |
Correct |
5 ms |
2992 KB |
Output is correct |
7 |
Correct |
5 ms |
2992 KB |
Output is correct |
8 |
Correct |
6 ms |
2992 KB |
Output is correct |
9 |
Correct |
6 ms |
2992 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
484 KB |
Output is correct |
3 |
Correct |
3 ms |
560 KB |
Output is correct |
4 |
Correct |
6 ms |
2868 KB |
Output is correct |
5 |
Correct |
6 ms |
2992 KB |
Output is correct |
6 |
Correct |
5 ms |
2992 KB |
Output is correct |
7 |
Correct |
5 ms |
2992 KB |
Output is correct |
8 |
Correct |
6 ms |
2992 KB |
Output is correct |
9 |
Correct |
6 ms |
2992 KB |
Output is correct |
10 |
Correct |
84 ms |
2992 KB |
Output is correct |
11 |
Correct |
60 ms |
2992 KB |
Output is correct |
12 |
Correct |
14 ms |
2992 KB |
Output is correct |
13 |
Correct |
6 ms |
3076 KB |
Output is correct |
14 |
Correct |
96 ms |
3076 KB |
Output is correct |
15 |
Correct |
146 ms |
3720 KB |
Output is correct |
16 |
Correct |
286 ms |
3720 KB |
Output is correct |
17 |
Correct |
305 ms |
3756 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
484 KB |
Output is correct |
3 |
Correct |
3 ms |
560 KB |
Output is correct |
4 |
Correct |
6 ms |
2868 KB |
Output is correct |
5 |
Correct |
6 ms |
2992 KB |
Output is correct |
6 |
Correct |
5 ms |
2992 KB |
Output is correct |
7 |
Correct |
5 ms |
2992 KB |
Output is correct |
8 |
Correct |
6 ms |
2992 KB |
Output is correct |
9 |
Correct |
6 ms |
2992 KB |
Output is correct |
10 |
Correct |
84 ms |
2992 KB |
Output is correct |
11 |
Correct |
60 ms |
2992 KB |
Output is correct |
12 |
Correct |
14 ms |
2992 KB |
Output is correct |
13 |
Correct |
6 ms |
3076 KB |
Output is correct |
14 |
Correct |
96 ms |
3076 KB |
Output is correct |
15 |
Correct |
146 ms |
3720 KB |
Output is correct |
16 |
Correct |
286 ms |
3720 KB |
Output is correct |
17 |
Correct |
305 ms |
3756 KB |
Output is correct |
18 |
Correct |
220 ms |
23968 KB |
Output is correct |
19 |
Correct |
163 ms |
46544 KB |
Output is correct |
20 |
Runtime error |
484 ms |
191196 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
21 |
Halted |
0 ms |
0 KB |
- |