Compilare: main.cpp: In function 'int main()': main.cpp:16:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<n;i++) { ~^~ main.cpp:21:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<n;i++) { ~^~ main.cpp:25:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<n-i;j++) { ~^~~~ main.cpp:33:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<n-i;j++) { ~^~~~ main.cpp:38:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i+1>maxl) ~~~^~~~~ main.cpp:40:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(i+1==maxl) ~~~^~~~~~ main.cpp:44:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i+1==k&&thereis[0]==0) ~~~^~~ main.cpp:52:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<k;i++) { ~^~