Eroare de compilare: user.cpp:12:1: error: expected initializer before ‘bool’ bool comp(int a, int b){ ^ user.cpp: In function ‘int main()’: user.cpp:37:58: error: ‘comp’ was not declared in this scope sort(child[node].begin(), child[node].end(), comp); ^ user.cpp:45:29: error: ‘used’ was not declared in this scope if(node != 1 && used[parent[node]] == false){ ^ user.cpp:54:13: error: ‘used’ was not declared in this scope used[i] = 0; ^ user.cpp:19:20: warning: unused variable ‘j’ [-Wunused-variable] int T,test,i,n,j,x,y,b,e,mx,node; ^ user.cpp:17:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zvon.in", "r", stdin); ^ user.cpp:18:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zvon.out", "w", stdout); ^ user.cpp:20:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &T); ^ user.cpp:22:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:24:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &x, &y); ^