Compilare: main.cpp: In function 'void maxmatch()': main.cpp:40:8: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=0;i<n;++i) ^~~ main.cpp:42:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' stop=1; ^~~~ main.cpp: In function 'int main()': main.cpp:66:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(ok[copii[i][ind]]==1 and ind<copii[i].size()) ~~~^~~~~~~~~~~~~~~~