Eroare de compilare: user.cpp: In function ‘void dfs(int, int, int)’: user.cpp:34:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v[k].size(); i++){ ^ user.cpp: In function ‘bool backoff(int, int, int, int)’: user.cpp:57:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v[nod].size(); i++) ^ user.cpp: At global scope: user.cpp:65:5: error: ‘int kill’ redeclared as different kind of symbol int kill; ^ In file included from /usr/include/c++/4.8/csignal:42:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:43, from user.cpp:1: /usr/include/signal.h:126:12: error: previous declaration of ‘int kill(__pid_t, int)’ extern int kill (__pid_t __pid, int __sig) __THROW; ^ user.cpp: In function ‘void what(std::vector<int>&, int, int)’: user.cpp:69:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0 ; i < g.size(); i++) ^ user.cpp:72:18: error: assignment of function ‘int kill(__pid_t, int)’ kill = 1; ^ user.cpp:72:18: error: cannot convert ‘int’ to ‘int(__pid_t, int)throw () {aka int(int, int)throw ()}’ in assignment user.cpp: In function ‘int main()’: user.cpp:103:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1 ; i < comp.size() && kill == 0; i++) ^ user.cpp:103:49: warning: the address of ‘int kill(__pid_t, int)’ will never be NULL [-Waddress] for (int i = 1 ; i < comp.size() && kill == 0; i++) ^ user.cpp:105:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if (kill == 1) { ^ user.cpp:110:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0 ; i < sol.size(); i++) ^