Job 20369

Compiler output

prog.cpp: In function 'bool check(int)':
prog.cpp:12:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i < a[x].size(); ++i) {
                    ^
prog.cpp:19:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       for(int k = 0; k < a[j].size() && ok; ++k)
                        ^

Results