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| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #362672 | #8515. KMOP | ucup-team311# | Compile Error | / | / | C++14 | 2.7kb | 2024-03-23 16:38:38 | 2024-03-23 16:38:39 |
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详细
answer.code:74:6: error: ‘optional’ in namespace ‘std’ does not name a template type
74 | std::optional<int> extend(int state, char c) {
| ^~~~~~~~
answer.code:74:1: note: ‘std::optional’ is only available from C++17 onwards
74 | std::optional<int> extend(int state, char c) {
| ^~~
answer.code:82:6: error: ‘optional’ in namespace ‘std’ does not name a template type
82 | std::optional<int> extend(int state, std::string_view s) {
| ^~~~~~~~
answer.code:82:1: note: ‘std::optional’ is only available from C++17 onwards
82 | std::optional<int> extend(int state, std::string_view s) {
| ^~~
answer.code: In function ‘int main()’:
answer.code:110:34: error: ‘extend’ was not declared in this scope; did you mean ‘extern’?
110 | auto new_state = extend(prev_state, s.substr(0, prefix));
| ^~~~~~
| extern