Compilare: main.cpp: In function 'int main()': main.cpp:47:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < lincol.size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp:27:27: warning: unused variable 'lg' [-Wunused-variable] int i, j, d, k, x, y, lg, lgmax = 0, spatiidame = 0, cntdame = 0; ^~ main.cpp:27:58: warning: unused variable 'cntdame' [-Wunused-variable] int i, j, d, k, x, y, lg, lgmax = 0, spatiidame = 0, cntdame = 0; ^~~~~~~