Compilare: main.cpp: In function 'void convexHull()': main.cpp:41:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=2; i<p.size(); i++){ ~^~~~~~~~~ main.cpp:50:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0, j=0; i<convex.size() and j < p.size(); i++){ ~^~~~~~~~~~~~~~ main.cpp:50:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0, j=0; i<convex.size() and j < p.size(); i++){ ~~^~~~~~~~~~ main.cpp: In function 'void computeDist()': main.cpp:63:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<pos.size(); i++){ ~^~~~~~~~~~~ main.cpp: In function 'void computeDP()': main.cpp:113:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=pos.size(); i++) ~^~~~~~~~~~~~ main.cpp:114:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<=pos.size(); j++) ~^~~~~~~~~~~~ main.cpp:117:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<pos.size(); i++){ ~^~~~~~~~~~~ main.cpp:147:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=max; i<pos.size(); i++) ~^~~~~~~~~~~