Eroare de compilare: main.cpp: In function 'int main()': main.cpp:64:20: error: 'sqrt' was not declared in this scope 64 | dist = sqrt(abs(pct[i].x - pct[nr].x) * abs(pct[i].x - pct[nr].x) + abs(pct[i].y - pct[nr].y) * abs(pct[i].y - pct[nr].y)); | ^~~~ main.cpp:70:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<vec>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for (i = 0; i < muchii.size(); i++) | ~~^~~~~~~~~~~~~~~ main.cpp:49:12: warning: unused variable 'm' [-Wunused-variable] 49 | int n, m, i, x, y,nr; | ^ Non zero exit status: 1