Compilare: main.cpp: In function 'int main()': main.cpp:31:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchii>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(j=0;j<l[i].size();j++) | ~^~~~~~~~~~~~ main.cpp:16:24: warning: variable 'ok' set but not used [-Wunused-but-set-variable] 16 | int n, m, x, y, c, ok, i, j, cmax=0, rx, ry; | ^~