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 dfs(int, int, int, int)': main.cpp:35:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i==n) ~^~~ main.cpp:37:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int z=1;z<=n;++z) g<<v[z]<<' '; ~^~~ main.cpp:43:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(nr+a[j][i+2]<ord) dfs(i+1,j+1,ord,nr+a[j][i+2]); ~~~~~~~~~~~~^~~~ main.cpp: In function 'int main()': main.cpp:53:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=s1;i<=s2;i++)dfs(1,1,i,0); ~^~~~