Job 20803

Compiler output

prog.cpp: In function 'int dfs(int)':
prog.cpp:22:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0; i<g[x].size(); i++) c[x]|=dfs(g[x][i]);
                   ^
prog.cpp: In function 'int main()':
prog.cpp:43:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0; i<X.size(); i++){
                   ^
prog.cpp:47:14: warning: 'res' may be used uninitialized in this function [-Wmaybe-uninitialized]
     cout<<res;
              ^

Results