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View Compilation Error

0_0_39069255_30192.cpp: In member function 'int32_t ExactCover<MAX_ROWS, MAX_COLS>::Dfs(int32_t)':
0_0_39069255_30192.cpp:72:54: error: incomplete type 'std::numeric_limits<int>' used in nested name specifier
   72 |         auto min_sum = std::numeric_limits<int32_t>::max();
      |                                                      ^~~
0_0_39069255_30192.cpp: In function 'void InitEdge()':
0_0_39069255_30192.cpp:171:5: error: 'memset' was not declared in this scope
  171 |     memset(g_prev, -1, sizeof(g_prev));
      |     ^~~~~~
0_0_39069255_30192.cpp:9:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    8 | #include <cstdint>
  +++ |+#include <cstring>
    9 | 
0_0_39069255_30192.cpp: In instantiation of 'void ExactCover<MAX_ROWS, MAX_COLS>::Init(int32_t, int32_t, int32_t) [with int MAX_ROWS = 1001; int MAX_COLS = 1001; int32_t = int]':
0_0_39069255_30192.cpp:188:27:   required from here
0_0_39069255_30192.cpp:32:15: error: 'memset' was not declared in this scope
   32 |         memset(head_, -1, sizeof(head_[0]) * (rows + 1));
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0_0_39069255_30192.cpp:32:15: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
0_0_39069255_30192.cpp:33:15: error: 'memset' was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation
   33 |         memset(valid_, true, sizeof(valid_[0]) * (rows + 1));
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0_0_39069255_30192.cpp:32:15: note: 'memset' declared here, later in the translation unit
   32 |         memset(head_, -1, sizeof(head_[0]) * (rows + 1));
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


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