Compilare: main.cpp: In function 'void citire()': main.cpp:14:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++) ~^~~ main.cpp: In function 'void prelucrare()': main.cpp:19:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n+1;i++)a[i][n+1]=1; ~^~~~~ main.cpp: In function 'void detect(int, int, int, int)': main.cpp:34:7: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] { if(x<n){ ~^~ main.cpp:39:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(a[y][x+2]+z<d)detect(x+1,y+1,d,z+a[y][x+2]); ~~~~~~~~~~~^~ main.cpp: In function 'int main()': main.cpp:54:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=s1;i<=s2;i++)detect(1,1,i,0); ~^~~~