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View Compilation Error

0_0_39476986_330.cpp: In function 'long long int solve(long long int)':
0_0_39476986_330.cpp:15:5: error: 'cin' was not declared in this scope
   15 |     cin >> n >> m;
      |     ^~~
0_0_39476986_330.cpp:16:5: error: 'vector' was not declared in this scope
   16 |     vector<int>du(n + 1, 0);
      |     ^~~~~~
0_0_39476986_330.cpp:1:13: error: expected primary-expression before 'long'
    1 | #define int long long
      |             ^~~~
0_0_39476986_330.cpp:16:12: note: in expansion of macro 'int'
   16 |     vector<int>du(n + 1, 0);
      |            ^~~
0_0_39476986_330.cpp:1:13: error: expected primary-expression before 'long'
    1 | #define int long long
      |             ^~~~
0_0_39476986_330.cpp:17:19: note: in expansion of macro 'int'
   17 |     vector<vector<int>>eg(n + 1);
      |                   ^~~
0_0_39476986_330.cpp:20:9: error: 'eg' was not declared in this scope
   20 |         eg[u].emplace_back(v);
      |         ^~
0_0_39476986_330.cpp:22:9: error: 'du' was not declared in this scope; did you mean 'u'?
   22 |         du[u]++;
      |         ^~
      |         u
0_0_39476986_330.cpp:1:13: error: expected primary-expression before 'long'
    1 | #define int long long
      |             ^~~~
0_0_39476986_330.cpp:27:16: note: in expansion of macro 'int'
   27 |         vector<int>ans(n + 1, 0);
      |                ^~~
0_0_39476986_330.cpp: In lambda function:
0_0_39476986_330.cpp:29:27: error: 'eg' was not declared in this scope
   29 |             for (auto c : eg[x]) {
      |                           ^~
0_0_39476986_330.cpp:32:32: error: 'ans' was not declared in this scope
   32 |                 Max = max(Max, ans[x] + ans[c] + (du[x] - 1) * (ksm(2, m) - 1) + 1);
      |                                ^~~
0_0_39476986_330.cpp:32:51: error: 'du' was not declared in this scope; did you mean 'u'?
   32 |                 Max = max(Max, ans[x] + ans[c] + (du[x] - 1) * (ksm(2, m) - 1) + 1);
      |                                                   ^~
      |                                                   u
0_0_39476986_330.cpp:32:23: error: there are no arguments to 'max' that depend on a template parameter, so a declaration of 'max' must be available [-fpermissive]
   32 |                 Max = max(Max, ans[x] + ans[c] + (du[x] - 1) * (ksm(2, m) - 1) + 1);
      |                       ^~~
0_0_39476986_330.cpp:32:23: note: (if you use '-fpermissive', G++ will accept your code, but allowing the use of an undeclared name is deprecated)
0_0_39476986_330.cpp:33:26: error: there are no arguments to 'max' that depend on a template parameter, so a declaration of 'max' must be available [-fpermissive]
   33 |                 ans[x] = max(ans[x], ans[c]);
      |                          ^~~
0_0_39476986_330.cpp:35:13: error: 'ans' was not declared in this scope
   35 |             ans[x] += (du[x] - 1) * (ksm(2, m) - 1) + 1;
      |             ^~~
0_0_39476986_330.cpp:35:24: error: 'du' was not declared in this scope; did you mean 'u'?
   35 |             ans[x] += (du[x] - 1) * (ksm(2, m) - 1) + 1;
      |                        ^~
      |                        u
0_0_39476986_330.cpp: In function 'long long int solve(long long int)':
0_0_39476986_330.cpp:41:9: error: 'pair' was not declared in this scope
   41 |         pair<int, int>Max;//一位度数-数量, 二维数量
      |         ^~~~
0_0_39476986_330.cpp:1:13: error: expected primary-expression before 'long'
    1 | #define int long long
      |             ^~~~
0_0_39476986_330.cpp:41:14: note: in expansion of macro 'int'
   41 |         pair<int, int>Max;//一位度数-数量, 二维数量
      |              ^~~
0_0_39476986_330.cpp:1:13: error: expected primary-expression before 'long'
    1 | #define int long long
      |             ^~~~
0_0_39476986_330.cpp:42:21: note: in expansion of macro 'int'
   42 |         vector<pair<int, int>>dep(n + 1, {0, 0});
      |                     ^~~
0_0_39476986_330.cpp:42:48: error: expected primary-expression before ')' token
   42 |         vector<pair<int, int>>dep(n + 1, {0, 0});
      |                                                ^
0_0_39476986_330.cpp:43:53: error: 'pair' does not name a type
   43 |         auto dfs = [&](auto self, int x, int fa) -> pair<int, int> {
      |                                                     ^~~~
0_0_39476986_330.cpp:43:57: error: expected '{' before '<' token
   43 |         auto dfs = [&](auto self, int x, int fa) -> pair<int, int> {
      |                                                         ^
0_0_39476986_330.cpp:1:13: error: expected primary-expression before 'long'
    1 | #define int long long
      |             ^~~~
0_0_39476986_330.cpp:43:58: note: in expansion of macro 'int'
   43 |         auto dfs = [&](auto self, int x, int fa) -> pair<int, int> {
      |                                                          ^~~
0_0_39476986_330.cpp:55:17: error: 'Max' was not declared in this scope
   55 |         return (Max.first * (ksm(2, m) - 1 + M) % M + Max.second) % M;
      |                 ^~~
0_0_39476986_330.cpp: In function 'int main()':
0_0_39476986_330.cpp:61:5: error: 'ios' has not been declared
   61 |     ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
      |     ^~~
0_0_39476986_330.cpp:61:34: error: 'cin' was not declared in this scope
   61 |     ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
      |                                  ^~~
0_0_39476986_330.cpp:61:52: error: 'cout' was not declared in this scope
   61 |     ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
      |                                                    ^~~~
0_0_39476986_330.cpp:65:29: error: 'endl' was not declared in this scope
   65 |         cout << solve(_) << endl;
      |                             ^~~~
0_0_39476986_330.cpp: In instantiation of 'solve(long long int)::<lambda(auto:1, long long int, long long int)> [with auto:1 = solve(long long int)::<lambda(auto:1, long long int, long long int)>]':
0_0_39476986_330.cpp:37:12:   required from here
0_0_39476986_330.cpp:32:83: error: 'max' was not declared in this scope
   32 |                 Max = max(Max, ans[x] + ans[c] + (du[x] - 1) * (ksm(2, m) - 1) + 1);
      |                                                                                   ^


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