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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#841734 | #9925. LR String | KXDdesu | TL | 31ms | 3860kb | C++23 | 884b | 2025-01-03 23:44:17 | 2025-01-03 23:44:17 |
Judging History
answer
#include<bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define fi first
#define se second
#define lowbit(x) ((x) & (-x))
using i64 = long long;
using pii = std::pair<int, int>;
void solve()
{
std::string s;
std::cin >> s;
const int n = s.size();
int q;
std::cin >> q;
while (q --) {
std::string t;
std::cin >> t;
int j = 0;
const int m = t.size();
for (int i = 0; i < n; ++ i) {
if (s[i] == t[j]) {
j ++;
}
}
if (j != m) {
std::cout << "NO\n";
}
else if (t[0] == 'R' && s[0] != 'R') {
std::cout << "NO\n";
}
else if (t.back() == 'L' && s.back() != 'L') {
std::cout << "NO\n";
}
else {
std::cout << "YES\n";
}
}
}
int main()
{
std::cin.tie(nullptr);
std::cout.tie(nullptr);
std::ios::sync_with_stdio(false);
int T = 1;
std::cin >> T;
while (T --) solve();
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3860kb
input:
2 RRLLRRLL 4 LLLLL LLR LRLR R RLLLLLL 3 LLLLL RL RRL
output:
NO YES NO YES YES YES NO
result:
ok 7 lines
Test #2:
score: 0
Accepted
time: 31ms
memory: 3500kb
input:
100000 RRLLR 4 R R R R LRLLL 6 R L L L L R RLLRR 1 L LRLLL 3 R L L RLRRL 2 LRRRR RRRL LRLRR 2 L R RRLRL 4 RLRLR RLLL LR RLL RLRLL 8 R R R L L L R L RLLRR 7 R LL RL R L L L LLRLR 2 L R RRRRL 1 RLLLR RRLLL 2 L L RLLRL 1 RLLRL LRLLL 5 RLRLL RLLLR RRRRL LLRRR RLLRR LRLLL 3 RRLL R RL LLRRL 3 L R LLLRR RR...
output:
YES YES YES YES NO YES YES YES YES NO NO NO YES YES NO YES NO NO NO NO YES YES YES YES YES YES YES YES YES YES YES NO NO YES NO NO NO NO NO NO YES YES YES NO NO NO NO NO NO NO NO YES NO NO NO YES YES NO NO NO NO NO NO NO NO NO YES YES YES YES YES YES YES NO NO NO NO YES NO NO YES YES YES NO NO NO NO...
result:
ok 356450 lines
Test #3:
score: -100
Time Limit Exceeded
input:
2 RRLRLLLRLRLRLRLLLLRRLLLRLRRLLLLLLRRRRRLRLRLRLLLLRRRLLRLRRLLRRRRRLLRLLRLLLLRLLLLRLLRRRRLRLLRRLRRRLLRRRLLLRLLRRLRLRRRRLRRLRRRLRLRLLLRLRRLRLRRRRRRLRRRRRLLLRLLLLRLRRRLRLRLLLRLRLLLLRLRRLRRLLRLRLRRLLLRRRLLLLLLLRLRRLLLLLRLRRLRLRLRRRLLRLLRLLRRLRRLLRLRLRLRLRRLRRRLLLRLLRLRLRRLRRRLLRRRRRRRRLLRLLRRLLRRLLLLRLR...
output:
YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES ...