Job 3990

Compiler output

prog.cpp: In function 'void dfs(int)':
prog.cpp:14:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0; i<v[x].size(); i++) {
                   ^
prog.cpp: In function 'int main()':
prog.cpp:34:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0; i<sol.size(); i++)
                   ^

Results