Compilare: main.cpp: In function 'int main()': main.cpp:47:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (k >= v.size()) ~~^~~~~~~~~~~ main.cpp:72:81: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (ansfinal == -1 || x - v[ans].sol < pfinal || x - v[ans].sol == pfinal && v[ansfinal].a + v[ansfinal].b + cfinal < v[ans].a + v[ans].b + c) ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~