Eroare de compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:28:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<arb[nod].size();i++) ~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:63:20: error: 'gets' was not declared in this scope gets(v[i]+1); ^ main.cpp:95:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(l1==q.size()-1) break; ~~^~~~~~~~~~~~ main.cpp:125:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<vv[i].size();j++) ~^~~~~~~~~~~~~ main.cpp:57:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("pirati.in","r",stdin); ^ main.cpp:58:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("pirati.out","w",stdout); ^ main.cpp:60:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d\n",&n,&m,&q1); ^ main.cpp:143:42: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d",&x1,&y1,&x2,&y2); ^ Non zero exit status: 1