WA at **#2** ```cpp #include using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int t; cin >> t; while (t--) { int n; cin >> n; ve…

``` #include using namespace std; int main(){ set a; int t; cin >> t; for (int i = 0; i > c; a.insert(c); } cout << a.size(); } ```

在讨论《Help!85!》回复：

OK! ```cpp #include using namespace std; long long change(string n, int b){ long r = 0; for (char c : n){ int d = c - '0'; if (d >= b) return -1; r = r * b + d;…

在讨论《Help!85!》回复：

@[HeartlessWind](luogu://user/461174) but : WA #16 ```cpp #include using namespace std; long long change(string n, int b){ long r = 0; for (char c : n){ int d =…

在讨论《Help!85!》回复：

@[HeartlessWind](luogu://user/461174) Thank you!

WA : #1 #14 #16 Code: ```cpp #include using namespace std; int change(string n, int b){ int r = 0; for (char c : n){ int d = c - '0'; r = r * b + d; } return r;…

在讨论《Help!70!》回复：

@[pika_](luogu://user/1038404) Thank you!

Record 258451921 #2#4#7(~~70~~) C++ 11: ```cpp #include using namespace std; bool isPrime(int n){ if (n > n; for (int i = 2; i max) max = i * (n - i); } } cout…

在讨论《Help》回复：

@[luogucaizili](luogu://user/1763982) Thanks!

在讨论《Help!33分》回复：

@[Lymay_you](luogu://user/1667130)感谢

#0#1#2#3#4#5#6#7#8#9#10#11#12#13#14#15#16#17#18#19#20 ~~(0spt)~~ C++ 11 Code: ```cpp #include using namespace std; int main(){ string max{}, min{}; string s; bo…

**#2#3**测试点 ~~？？？~~ ```cpp #include using namespace std; int main(){ string s; getline(cin, s); reverse(s.begin(), s.end()); for (int i = 0; i < s.size(); i++){…

Error at **#1#2#3#4#5#6#8#9#10** ~~(10分)求调~~ ```cpp #include using namespace std; int main() { string s; getline(cin, s); for (int i = 0; i = 'a' && s[i] = 'A'…

C++11代码，#1#3#4WA ```cpp #include using namespace std; int main() { int s = 0, g; cin >> g; string s1, s2; cin >> s1 >> s2; for (int i = 0; i = g ? "yes" : "no")…

```cpp #include using namespace std; int main(){ int n, m;cin >> n >> m; int a[n][m]; for (int i = 0; i > a[i][j]; for (int i = 0; i < n; i++) { for (int j = 0;…

在讨论《Help！全WA！》回复：

@[YuJellyfish](luogu://user/732457) @[Lymay_you](luogu://user/1667130) *Thanks!*

```cpp #include using namespace std; int fmin(int a[5][5], int n){ int min = a[0][n]; for (int i = 1; i max) max = a[i][0]; } return max; } int main(){ int a[5]…

```cpp #include using namespace std; int fmin(int a[5][5], int n){ int min = a[0][n]; for (int i = 1; i max) max = a[i][0]; } return max; } int main(){ int a[5]…

```cpp #include using namespace std; int main(){ long long a; cin >> a; if (a % 2){ cout << a; a = a * 3 + 1; cout << "*3+1=" << a << endl; } else { cout << a;…

# Help! ```cpp #include using namespace std; double sh(int a, int b, int c){ double s = (a + b + c) / 2; return sqrt(s * (s - a) * (s - b) * (s - c)); } int mai…