QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #123922 | #3863. Evolution of Weasels | aragaz# | WA | 1ms | 3464kb | C++23 | 1.8kb | 2023-07-14 00:06:03 | 2023-07-14 00:06:04 |
Judging History
answer
#include <iostream>
#include <vector>
using namespace std;
void testCase() {
string s, t;
cin >> s >> t;
int n = s.size(), m = t.size();
s = '$' + s + '$';
t = '$' + t + '$';
vector<vector<bool> > dp(n + 5, vector<bool>(m + 5));
for (int i = n + 1; i > 0; --i) {
for (int j = m + 1; j > 0; --j) {
if (s.substr(i) == t.substr(j)) {
dp[i][j] = true;
}
if (s[i] == t[j]) {
dp[i][j] = dp[i][j] | dp[i + 1][j + 1];
}
if (j <= m && t[j] == t[j + 1]) {
dp[i][j] = dp[i][j] | dp[i][j + 2];
}
if (j + 3 <= m + 1 && t[j] == t[j + 2] && t[j] == 'A' && t[j + 1] == t[j + 3] && t[j + 1] == 'B') {
dp[i][j] = dp[i][j] | dp[i][j + 4];
}
if (j + 3 <= m + 1 && t[j] == t[j + 2] && t[j] == 'B' && t[j + 1] == t[j + 3] && t[j + 1] == 'C') {
dp[i][j] = dp[i][j] | dp[i][j + 4];
}
if (i <= n && s[i] == s[i + 1]) {
dp[i][j] = dp[i][j] | dp[i + 2][j];
}
if (i + 3 <= n + 1 && s[i] == s[i + 2] && s[i] == 'A' && s[i + 1] == s[i + 3] && s[i + 1] == 'B') {
dp[i][j] = dp[i][j] | dp[i + 4][j];
}
if (i + 3 <= n + 1 && s[i] == s[i + 2] && s[i] == 'B' && s[i + 1] == s[i + 3] && s[i + 1] == 'C') {
dp[i][j] = dp[i][j] | dp[i + 4][j];
}
}
}
if (dp[1][1]) {
cout << "YES\n";
} else {
cout << "NO\n";
}
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int tests;
cin >> tests;
for (int tc = 0; tc < tests; ++tc) {
testCase();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3428kb
input:
8 A B B C C A AA BB BB CC CC AA ABAB BCBC ABC CBA
output:
NO NO NO YES YES YES YES NO
result:
ok 8 lines
Test #2:
score: -100
Wrong Answer
time: 1ms
memory: 3464kb
input:
81 CA CA CB AA CA CC BA AA AC AA CC CC CA AA BC AA BA CA AA AA CB CA AC CB BB CB CC AA CB AB AB BC CB BC BC BC CC CA AA BB CB BB BC BA BC CB BA AB CA BB BB BC BC AB BC AC BB AC CB BA AA BC AB AC CA CB BC BB BC CC AA AB AB BB CB AC BB BB BA AC AA CA BB CA AA BA CA BA CB CB BA BC BC CA BB CC AC BA BB ...
output:
YES NO NO NO NO YES NO NO NO YES NO NO NO YES NO NO NO YES NO YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO YES NO NO NO NO NO YES NO NO YES NO YES NO NO NO YES NO NO NO NO NO NO NO NO NO NO NO NO NO YES NO NO NO NO NO YES NO NO NO YES YES NO NO
result:
wrong answer 17th lines differ - expected: 'YES', found: 'NO'