Compilare: main.cpp: In function 'int main()': main.cpp:27:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(x + nr[i].size() <= MAXVAL){ ~~~~~~~~~~~~~~~~~^~~~~~~~~ main.cpp:32:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(cost[x + nr[i].size()] > cost[x] + nr[i].size()){ main.cpp:37:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(x - nr[i].size() >= -MAXVAL){ ~~~~~~~~~~~~~~~~~^~~~~~~~~~ main.cpp:42:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(cost[x - nr[i].size()] > cost[x] + nr[i].size()){