Compilare: main.cpp: In function 'int main()': main.cpp:37:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0;k<cur.size();++k) ~^~~~~~~~~~~ main.cpp:39:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=1;k<cur.size();++k) ~^~~~~~~~~~~ main.cpp:25:9: warning: unused variable 't' [-Wunused-variable] int t,n,i,m,j,mx=0,k; ^ main.cpp:25:19: warning: unused variable 'mx' [-Wunused-variable] int t,n,i,m,j,mx=0,k; ^~