#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
#define all(a) a.begin(), a.end()
const int mod = 1e9 + 7;
int P;
int see[3][3];
void solve(){
string s; cin >> s;
int n = s.size();
vector<vector<int>> dp(n, vector<int>(3, 0));
vector<vector<pair<int, int> >> parent(n, vector<pair<int, int> >(3, {-1, -1}));
// RBG
if(s[0] == ')' or s[n-1] == '('){
cout << "impossible";
return;
}
dp[0][0] = 1, dp[0][1] = 1, dp[0][2] = 1;
for(int i = 1;i < n; i++){
for(int j = 0;j < 3; j++){
if(s[i] == ')'){
for(int idx = 0; idx < i; idx++){
if(s[idx] == ')') continue;
for(int k = 0;k < 3; k++){
if(see[k][j]){
if(dp[idx][k]){
dp[i][j] = 1;
parent[i][j] = {idx, k};
}
}
}
}
}else{
for(int k = 0; k < 3; k++){
if(dp[i-1][k]){
dp[i][j] = 1;
parent[i][j] = {i-1, k};
}
}
}
}
}
int possible = 0;
for(int j = 0;j < 3; j++){
possible|= dp[n-1][j];
}
cout << possible;
}
main(){
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
see[0][0] = 1;
see[1][1] = 1;
see[2][2] = 1;
see[0][2] = see[2][0] = 1;
see[1][2] = see[2][1] = 1;
cin >> P;
int test; cin >> test;
while(test--){
solve();
cout << '\n';
}
return 0;
}
Compilation message
parentrises.cpp:57:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
57 | main(){
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
500 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
500 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
500 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |