Compilare: main.cpp:3:12: warning: ISO C++11 requires whitespace after the macro name #define mod=100000 ^ main.cpp: In function 'int main()': main.cpp:25:19: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(d<0) ^ main.cpp:28:29: warning: array subscript is below array bounds [-Warray-bounds] if(pls[d]){ fout << pls[d]+1 << " " << i << "\n"; ok=1; } ~~~~~^