Eroare de compilare: user.cpp: In function ‘int solve()’: user.cpp:103:11: error: ‘bfs’ was not declared in this scope if (bfs(0)) { ^ user.cpp:105:3: error: expected ‘,’ or ‘;’ before ‘while’ while (bfs(i)) { ^ user.cpp:111:2: error: expected ‘;’ before ‘}’ token } ^ user.cpp:104:16: warning: unused variable ‘i’ [-Wunused-variable] int sol = 0, i = 1 ^ user.cpp: In function ‘void read()’: user.cpp:27:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n", &R, &C); ^ user.cpp:32:29: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(buffer, 1005, stdin); ^ user.cpp: In function ‘int main()’: user.cpp:118:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("barbar.in", "r", stdin); ^ user.cpp:119:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("barbar.out", "w", stdout); ^