Compilare: user.cpp: In function ‘void precalcPower()’: user.cpp:45:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0;k<Power[j-1][i].size();k++) ^ user.cpp:48:53: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int l=0;l<Power[j-1][node].size();l++) ^ user.cpp: In function ‘void findFinalList(int)’: user.cpp:72:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<V.size();i++) ^ user.cpp:75:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<Power[k][n].size();j++) ^ user.cpp: In function ‘int main()’: user.cpp:97:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<V.size();j++) ^ user.cpp:92:9: warning: unused variable ‘i’ [-Wunused-variable] int i=1; ^