Compilare: user.cpp: In function ‘void DFS(int, int)’: user.cpp:47:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[node].size();i++) ^ user.cpp: In function ‘void BiconexDP(int, int)’: user.cpp:67:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<component[node].size();i++) ^ user.cpp:70:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i>=component[node].size()){ ^ user.cpp:73:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<component[node].size();i++) ^ user.cpp:76:56: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<component[node].size();j++) ^ user.cpp: In function ‘void CriticalDP(int, int)’: user.cpp:102:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<critical[node].size();i++) ^ user.cpp:107:57: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<component[critical[node][i]].size();j++) ^ user.cpp: In function ‘void TraceBiconex(int, int)’: user.cpp:124:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<component[node].size()&&found==0;i++) ^ user.cpp:127:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<component[node].size();j++) ^ user.cpp:149:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<component[node].size();i++) ^ user.cpp:150:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if((mask&(1<<i))!=0) ^ user.cpp: In function ‘void TraceCritical(int, int, int)’: user.cpp:160:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<critical[node].size();i++) ^ user.cpp:163:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<component[critical[node][i]].size();j++) ^ user.cpp:176:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<critical[node].size();i++) ^ user.cpp:179:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<component[critical[node][i]].size();j++) ^